From f787d2adef5cc5acbc80efb2acbcc79e79485725 Mon Sep 17 00:00:00 2001
From: Wenqing Wang <wenqing.wang@ufz.de>
Date: Tue, 7 Feb 2017 15:37:00 +0100
Subject: [PATCH] [Coupling] Renamed some names

---
 NumLib/ODESolver/NonlinearSolver.cpp          | 16 ++++----
 NumLib/ODESolver/NonlinearSolver.h            | 16 ++++----
 NumLib/ODESolver/NonlinearSystem.h            |  4 +-
 NumLib/ODESolver/ODESystem.h                  | 41 ++++++++++---------
 NumLib/ODESolver/TimeDiscretizedODESystem.cpp |  8 ++--
 NumLib/ODESolver/TimeDiscretizedODESystem.h   |  4 +-
 ProcessLib/AbstractJacobianAssembler.h        |  4 +-
 .../GroundwaterFlowProcess.cpp                |  8 ++--
 .../GroundwaterFlow/GroundwaterFlowProcess.h  |  4 +-
 ProcessLib/HT/HTProcess.cpp                   |  8 ++--
 ProcessLib/HT/HTProcess.h                     |  4 +-
 .../HeatConduction/HeatConductionProcess.cpp  |  8 ++--
 .../HeatConduction/HeatConductionProcess.h    |  4 +-
 .../HydroMechanics/HydroMechanicsProcess.h    |  8 ++--
 .../HydroMechanics/HydroMechanicsProcess.h    |  8 ++--
 .../SmallDeformationProcess.h                 |  8 ++--
 ProcessLib/LiquidFlow/LiquidFlowProcess.cpp   |  8 ++--
 ProcessLib/LiquidFlow/LiquidFlowProcess.h     |  4 +-
 ProcessLib/LocalAssemblerInterface.cpp        |  8 ++--
 ProcessLib/LocalAssemblerInterface.h          |  6 +--
 ProcessLib/Process.cpp                        |  8 ++--
 ProcessLib/Process.h                          |  8 ++--
 .../RichardsFlow/RichardsFlowProcess.cpp      |  8 ++--
 ProcessLib/RichardsFlow/RichardsFlowProcess.h |  4 +-
 .../SmallDeformationProcess.h                 |  8 ++--
 ProcessLib/StaggeredCouplingTerm.h            |  5 ++-
 ProcessLib/TES/TESProcess.cpp                 |  8 ++--
 ProcessLib/TES/TESProcess.h                   |  4 +-
 .../TwoPhaseFlowWithPPProcess.cpp             |  8 ++--
 .../TwoPhaseFlowWithPPProcess.h               |  4 +-
 .../TwoPhaseFlowWithPrhoProcess.cpp           |  8 ++--
 .../TwoPhaseFlowWithPrhoProcess.h             |  4 +-
 ProcessLib/UncoupledProcessesTimeLoop.cpp     | 31 +++++++-------
 ProcessLib/UncoupledProcessesTimeLoop.h       |  3 +-
 ProcessLib/VectorMatrixAssembler.cpp          | 26 ++++++------
 ProcessLib/VectorMatrixAssembler.h            |  4 +-
 Tests/NumLib/ODEs.h                           | 18 ++++----
 37 files changed, 172 insertions(+), 166 deletions(-)

diff --git a/NumLib/ODESolver/NonlinearSolver.cpp b/NumLib/ODESolver/NonlinearSolver.cpp
index 2353746d8cb..fe2139c557c 100644
--- a/NumLib/ODESolver/NonlinearSolver.cpp
+++ b/NumLib/ODESolver/NonlinearSolver.cpp
@@ -25,13 +25,13 @@ namespace NumLib
 {
 void NonlinearSolver<NonlinearSolverTag::Picard>::assemble(
     GlobalVector const& x,
-    ProcessLib::StaggeredCouplingTerm const& coupled_term) const
+    ProcessLib::StaggeredCouplingTerm const& coupling_term) const
 {
-    _equation_system->assemble(x, coupled_term);
+    _equation_system->assemble(x, coupling_term);
 }
 
 bool NonlinearSolver<NonlinearSolverTag::Picard>::solve(
-    GlobalVector& x, ProcessLib::StaggeredCouplingTerm const& coupled_term,
+    GlobalVector& x, ProcessLib::StaggeredCouplingTerm const& coupling_term,
     std::function<void(unsigned, GlobalVector const&)> const& postIterationCallback)
 {
     namespace LinAlg = MathLib::LinAlg;
@@ -62,7 +62,7 @@ bool NonlinearSolver<NonlinearSolverTag::Picard>::solve(
 
         BaseLib::RunTime time_assembly;
         time_assembly.start();
-        sys.assemble(x, coupled_term);
+        sys.assemble(x, coupling_term);
         sys.getA(A);
         sys.getRhs(rhs);
         INFO("[time] Assembly took %g s.", time_assembly.elapsed());
@@ -163,16 +163,16 @@ bool NonlinearSolver<NonlinearSolverTag::Picard>::solve(
 
 void NonlinearSolver<NonlinearSolverTag::Newton>::assemble(
     GlobalVector const& x,
-    ProcessLib::StaggeredCouplingTerm const& coupled_term) const
+    ProcessLib::StaggeredCouplingTerm const& coupling_term) const
 {
-    _equation_system->assemble(x, coupled_term);
+    _equation_system->assemble(x, coupling_term);
     // TODO if the equation system would be reset to nullptr after each
     //      assemble() or solve() call, the user would be forced to set the
     //      equation every time and could not forget it.
 }
 
 bool NonlinearSolver<NonlinearSolverTag::Newton>::solve(
-    GlobalVector& x, ProcessLib::StaggeredCouplingTerm const& coupled_term,
+    GlobalVector& x, ProcessLib::StaggeredCouplingTerm const& coupling_term,
     std::function<void(unsigned, GlobalVector const&)> const& postIterationCallback)
 {
     namespace LinAlg = MathLib::LinAlg;
@@ -206,7 +206,7 @@ bool NonlinearSolver<NonlinearSolverTag::Newton>::solve(
 
         BaseLib::RunTime time_assembly;
         time_assembly.start();
-        sys.assemble(x, coupled_term);
+        sys.assemble(x, coupling_term);
         sys.getResidual(x, res);
         sys.getJacobian(J);
         INFO("[time] Assembly took %g s.", time_assembly.elapsed());
diff --git a/NumLib/ODESolver/NonlinearSolver.h b/NumLib/ODESolver/NonlinearSolver.h
index bccd33a08ad..76fe29f29df 100644
--- a/NumLib/ODESolver/NonlinearSolver.h
+++ b/NumLib/ODESolver/NonlinearSolver.h
@@ -47,18 +47,18 @@ public:
      *
      * \param x             the state at which the equation system will be
      *                      assembled.
-     * \param coupled_term  the coupled term including the reference of the
+     * \param coupling_term  the coupled term including the reference of the
      *                      coupled processes and solutions of the equations of
      *                      the coupled processes.
      */
     virtual void assemble(GlobalVector const& x,
-                          ProcessLib::StaggeredCouplingTerm const& coupled_term
+                          ProcessLib::StaggeredCouplingTerm const& coupling_term
                          ) const = 0;
 
     /*! Assemble and solve the equation system.
      *
      * \param x   in: the initial guess, out: the solution.
-     * \param coupled_term  the coupled term including the reference of the
+     * \param coupling_term  the coupled term including the reference of the
      *                      coupled processes and solutions of the equations of
      *                      the coupled processes.
      * \param postIterationCallback called after each iteration if set.
@@ -67,7 +67,7 @@ public:
      * \retval false otherwise
      */
     virtual bool solve(GlobalVector& x,
-                       ProcessLib::StaggeredCouplingTerm const& coupled_term,
+                       ProcessLib::StaggeredCouplingTerm const& coupling_term,
                        std::function<void(unsigned, GlobalVector const&)> const&
                            postIterationCallback) = 0;
 
@@ -118,11 +118,11 @@ public:
     }
 
     void assemble(GlobalVector const& x,
-                  ProcessLib::StaggeredCouplingTerm const& coupled_term
+                  ProcessLib::StaggeredCouplingTerm const& coupling_term
                  ) const override;
 
     bool solve(GlobalVector& x,
-               ProcessLib::StaggeredCouplingTerm const& coupled_term,
+               ProcessLib::StaggeredCouplingTerm const& coupling_term,
                std::function<void(unsigned, GlobalVector const&)> const&
                    postIterationCallback) override;
 
@@ -177,11 +177,11 @@ public:
     }
 
     void assemble(GlobalVector const& x,
-                  ProcessLib::StaggeredCouplingTerm const& coupled_term
+                  ProcessLib::StaggeredCouplingTerm const& coupling_term
                  ) const override;
 
     bool solve(GlobalVector& x,
-               ProcessLib::StaggeredCouplingTerm const& coupled_term,
+               ProcessLib::StaggeredCouplingTerm const& coupling_term,
                std::function<void(unsigned, GlobalVector const&)> const&
                    postIterationCallback) override;
 
diff --git a/NumLib/ODESolver/NonlinearSystem.h b/NumLib/ODESolver/NonlinearSystem.h
index d06fb5dda64..e7cffb1755c 100644
--- a/NumLib/ODESolver/NonlinearSystem.h
+++ b/NumLib/ODESolver/NonlinearSystem.h
@@ -42,7 +42,7 @@ public:
     //! The linearized system is \f$A(x) \cdot x = b(x)\f$. Here the matrix
     //! \f$A(x)\f$ and the vector \f$b(x)\f$ are assembled.
     virtual void assemble(GlobalVector const& x,
-                          ProcessLib::StaggeredCouplingTerm const& coupled_term
+                          ProcessLib::StaggeredCouplingTerm const& coupling_term
                           ) = 0;
 
     /*! Writes the residual at point \c x to \c res.
@@ -83,7 +83,7 @@ public:
     //! The linearized system is \f$J(x) \cdot \Delta x = (x)\f$. Here the
     //! residual vector \f$r(x)\f$ and its Jacobian \f$J(x)\f$ are assembled.
     virtual void assemble(GlobalVector const& x,
-                          ProcessLib::StaggeredCouplingTerm const& coupled_term
+                          ProcessLib::StaggeredCouplingTerm const& coupling_term
                          ) = 0;
 
     //! Writes the linearized equation system matrix to \c A.
diff --git a/NumLib/ODESolver/ODESystem.h b/NumLib/ODESolver/ODESystem.h
index 6c229b196b8..598252c5940 100644
--- a/NumLib/ODESolver/ODESystem.h
+++ b/NumLib/ODESolver/ODESystem.h
@@ -17,7 +17,7 @@
 
 namespace ProcessLib
 {
-    struct StaggeredCouplingTerm;
+struct StaggeredCouplingTerm;
 }
 
 namespace NumLib
@@ -50,11 +50,10 @@ public:
         ODESystemTag::FirstOrderImplicitQuasilinear;
 
     //! Assemble \c M, \c K and \c b at the provided state (\c t, \c x).
-    virtual void assemble(const double t, GlobalVector const& x,
-                          GlobalMatrix& M, GlobalMatrix& K,
-                          GlobalVector& b,
-                          ProcessLib::StaggeredCouplingTerm const& coupled_term)
-                = 0;
+    virtual void assemble(
+        const double t, GlobalVector const& x, GlobalMatrix& M, GlobalMatrix& K,
+        GlobalVector& b,
+        ProcessLib::StaggeredCouplingTerm const& coupling_term) = 0;
 
     using Index = MathLib::MatrixVectorTraits<GlobalMatrix>::Index;
 
@@ -84,7 +83,8 @@ public:
      * \f$ \mathtt{Jac} := \partial r/\partial x_N \f$
      * at the provided state (\c t, \c x).
      *
-     * For the meaning of the other parameters refer to the the introductory remarks on
+     * For the meaning of the other parameters refer to the the introductory
+     * remarks on
      * \ref concept_time_discretization "time discretization".
      *
      * \remark
@@ -97,34 +97,37 @@ public:
      *  + \frac{\partial K}{\partial x_N} \cdot x_N
      *  + \frac{\partial b}{\partial x_N},
      *  \f]
-     * where \f$ M \f$, \f$ K \f$ and \f$ b \f$ are matrix-valued (vector-valued, respectively)
+     * where \f$ M \f$, \f$ K \f$ and \f$ b \f$ are matrix-valued
+     * (vector-valued, respectively)
      * functions that depend on \f$ x_C \f$ and \f$ t_C \f$.
      *
-     * Due to the arguments provided to this method its implementation only has to
+     * Due to the arguments provided to this method its implementation only has
+     * to
      * compute the derivatives
      * \f$ \frac{\partial M}{\partial x_N} \cdot \hat x \f$,
      * \f$ \frac{\partial K}{\partial x_N} \cdot x_N    \f$ and
      * \f$ \frac{\partial b}{\partial x_N} \f$.
      * The other terms can be readily taken from the method parameters.
      *
-     * In particular for the ForwardEuler time discretization scheme the equation will
+     * In particular for the ForwardEuler time discretization scheme the
+     * equation will
      * collapse to
      * \f$ \mathtt{Jac} =
      *  M \cdot \frac{\partial \hat x}{\partial x_N}
      *  \f$
      * since in that scheme \f$ x_N \neq x_C \f$.
      *
-     * Of course, the implementation of this method is allowed to compute the Jacobian in a
-     * different way, as long as that is consistent with the definition of \f$ \mathtt{Jac} \f$.
+     * Of course, the implementation of this method is allowed to compute the
+     * Jacobian in a
+     * different way, as long as that is consistent with the definition of \f$
+     * \mathtt{Jac} \f$.
      * \endparblock
      */
-    virtual void assembleWithJacobian(const double t, GlobalVector const& x,
-                                      GlobalVector const& xdot,
-                                      const double dxdot_dx, const double dx_dx,
-                                      GlobalMatrix& M, GlobalMatrix& K,
-                                      GlobalVector& b, GlobalMatrix& Jac,
-                                      ProcessLib::StaggeredCouplingTerm
-                                                       const& coupled_term) = 0;
+    virtual void assembleWithJacobian(
+        const double t, GlobalVector const& x, GlobalVector const& xdot,
+        const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
+        GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
+        ProcessLib::StaggeredCouplingTerm const& coupling_term) = 0;
 };
 
 //! @}
diff --git a/NumLib/ODESolver/TimeDiscretizedODESystem.cpp b/NumLib/ODESolver/TimeDiscretizedODESystem.cpp
index 2298e5c0f99..0684b2657f4 100644
--- a/NumLib/ODESolver/TimeDiscretizedODESystem.cpp
+++ b/NumLib/ODESolver/TimeDiscretizedODESystem.cpp
@@ -68,7 +68,7 @@ TimeDiscretizedODESystem<
 void TimeDiscretizedODESystem<ODESystemTag::FirstOrderImplicitQuasilinear,
                               NonlinearSolverTag::Newton>::
     assemble(const GlobalVector& x_new_timestep,
-             ProcessLib::StaggeredCouplingTerm const& coupled_term)
+             ProcessLib::StaggeredCouplingTerm const& coupling_term)
 {
     namespace LinAlg = MathLib::LinAlg;
 
@@ -86,7 +86,7 @@ void TimeDiscretizedODESystem<ODESystemTag::FirstOrderImplicitQuasilinear,
     _Jac->setZero();
 
     _ode.assembleWithJacobian(t, x_curr, xdot, dxdot_dx, dx_dx, *_M, *_K, *_b,
-                              *_Jac, coupled_term);
+                              *_Jac, coupling_term);
 
     LinAlg::finalizeAssembly(*_M);
     LinAlg::finalizeAssembly(*_K);
@@ -177,7 +177,7 @@ TimeDiscretizedODESystem<
 void TimeDiscretizedODESystem<ODESystemTag::FirstOrderImplicitQuasilinear,
                               NonlinearSolverTag::Picard>::
     assemble(const GlobalVector& x_new_timestep,
-             ProcessLib::StaggeredCouplingTerm const& coupled_term)
+             ProcessLib::StaggeredCouplingTerm const& coupling_term)
 {
     namespace LinAlg = MathLib::LinAlg;
 
@@ -188,7 +188,7 @@ void TimeDiscretizedODESystem<ODESystemTag::FirstOrderImplicitQuasilinear,
     _K->setZero();
     _b->setZero();
 
-    _ode.assemble(t, x_curr, *_M, *_K, *_b, coupled_term);
+    _ode.assemble(t, x_curr, *_M, *_K, *_b, coupling_term);
 
     LinAlg::finalizeAssembly(*_M);
     LinAlg::finalizeAssembly(*_K);
diff --git a/NumLib/ODESolver/TimeDiscretizedODESystem.h b/NumLib/ODESolver/TimeDiscretizedODESystem.h
index 3de0cdec78e..4aa4fcb345c 100644
--- a/NumLib/ODESolver/TimeDiscretizedODESystem.h
+++ b/NumLib/ODESolver/TimeDiscretizedODESystem.h
@@ -87,7 +87,7 @@ public:
     ~TimeDiscretizedODESystem();
 
     void assemble(const GlobalVector& x_new_timestep,
-                  ProcessLib::StaggeredCouplingTerm const& coupled_term)
+                  ProcessLib::StaggeredCouplingTerm const& coupling_term)
                   override;
 
     void getResidual(GlobalVector const& x_new_timestep,
@@ -181,7 +181,7 @@ public:
     ~TimeDiscretizedODESystem();
 
     void assemble(const GlobalVector& x_new_timestep,
-                  ProcessLib::StaggeredCouplingTerm const& coupled_term)
+                  ProcessLib::StaggeredCouplingTerm const& coupling_term)
                   override;
 
     void getA(GlobalMatrix& A) const override
diff --git a/ProcessLib/AbstractJacobianAssembler.h b/ProcessLib/AbstractJacobianAssembler.h
index b4267fadb7a..4505fc8c6f9 100644
--- a/ProcessLib/AbstractJacobianAssembler.h
+++ b/ProcessLib/AbstractJacobianAssembler.h
@@ -32,7 +32,7 @@ public:
 
     //! Assembles the Jacobian, the matrices \f$M\f$ and \f$K\f$, and the vector
     //! \f$b\f$ with coupling.
-    virtual void coupling_assembleWithJacobian(
+    virtual void assembleWithJacobianAndCouping(
         LocalAssemblerInterface& /*local_assembler*/, double const /*t*/,
         std::vector<double> const& /*local_x*/,
         std::vector<double> const& /*local_xdot*/, const double /*dxdot_dx*/,
@@ -40,7 +40,7 @@ public:
         std::vector<double>& /*local_K_data*/,
         std::vector<double>& /*local_b_data*/,
         std::vector<double>& /*local_Jac_data*/,
-        LocalCouplingTerm const& /*coupled_term*/) {}
+        LocalCouplingTerm const& /*coupling_term*/) {}
 
     virtual ~AbstractJacobianAssembler() = default;
 };
diff --git a/ProcessLib/GroundwaterFlow/GroundwaterFlowProcess.cpp b/ProcessLib/GroundwaterFlow/GroundwaterFlowProcess.cpp
index 11370da33e0..68a5c72a375 100644
--- a/ProcessLib/GroundwaterFlow/GroundwaterFlowProcess.cpp
+++ b/ProcessLib/GroundwaterFlow/GroundwaterFlowProcess.cpp
@@ -78,21 +78,21 @@ void GroundwaterFlowProcess::assembleConcreteProcess(const double t,
                                                      GlobalMatrix& K,
                                                      GlobalVector& b,
                                                      StaggeredCouplingTerm
-                                                     const& coupled_term)
+                                                     const& coupling_term)
 {
     DBUG("Assemble GroundwaterFlowProcess.");
 
     // Call global assembler for each local assembly item.
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assemble, _local_assemblers,
-        *_local_to_global_index_map, t, x, M, K, b, coupled_term);
+        *_local_to_global_index_map, t, x, M, K, b, coupling_term);
 }
 
 void GroundwaterFlowProcess::assembleWithJacobianConcreteProcess(
     const double t, GlobalVector const& x, GlobalVector const& xdot,
     const double dxdot_dx, const double dx_dx, GlobalMatrix& M, GlobalMatrix& K,
     GlobalVector& b, GlobalMatrix& Jac,
-    StaggeredCouplingTerm const& coupled_term)
+    StaggeredCouplingTerm const& coupling_term)
 {
     DBUG("AssembleWithJacobian GroundwaterFlowProcess.");
 
@@ -100,7 +100,7 @@ void GroundwaterFlowProcess::assembleWithJacobianConcreteProcess(
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
         _local_assemblers, *_local_to_global_index_map, t, x, xdot, dxdot_dx,
-        dx_dx, M, K, b, Jac, coupled_term);
+        dx_dx, M, K, b, Jac, coupling_term);
 }
 
 
diff --git a/ProcessLib/GroundwaterFlow/GroundwaterFlowProcess.h b/ProcessLib/GroundwaterFlow/GroundwaterFlowProcess.h
index a03e466ed81..694a84aa0fd 100644
--- a/ProcessLib/GroundwaterFlow/GroundwaterFlowProcess.h
+++ b/ProcessLib/GroundwaterFlow/GroundwaterFlowProcess.h
@@ -99,14 +99,14 @@ private:
     void assembleConcreteProcess(const double t, GlobalVector const& x,
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
-                                 StaggeredCouplingTerm const& coupled_term
+                                 StaggeredCouplingTerm const& coupling_term
                                 ) override;
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override;
+        StaggeredCouplingTerm const& coupling_term) override;
 
     GroundwaterFlowProcessData _process_data;
 
diff --git a/ProcessLib/HT/HTProcess.cpp b/ProcessLib/HT/HTProcess.cpp
index a9d0b6d19e1..3cebe46de02 100644
--- a/ProcessLib/HT/HTProcess.cpp
+++ b/ProcessLib/HT/HTProcess.cpp
@@ -73,21 +73,21 @@ void HTProcess::assembleConcreteProcess(const double t,
                                         GlobalMatrix& K,
                                         GlobalVector& b,
                                         StaggeredCouplingTerm const&
-                                        coupled_term)
+                                        coupling_term)
 {
     DBUG("Assemble HTProcess.");
 
     // Call global assembler for each local assembly item.
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assemble, _local_assemblers,
-        *_local_to_global_index_map, t, x, M, K, b, coupled_term);
+        *_local_to_global_index_map, t, x, M, K, b, coupling_term);
 }
 
 void HTProcess::assembleWithJacobianConcreteProcess(
     const double t, GlobalVector const& x, GlobalVector const& xdot,
     const double dxdot_dx, const double dx_dx, GlobalMatrix& M, GlobalMatrix& K,
     GlobalVector& b, GlobalMatrix& Jac,
-    StaggeredCouplingTerm const& coupled_term)
+    StaggeredCouplingTerm const& coupling_term)
 {
     DBUG("AssembleWithJacobian HTProcess.");
 
@@ -95,7 +95,7 @@ void HTProcess::assembleWithJacobianConcreteProcess(
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
         _local_assemblers, *_local_to_global_index_map, t, x, xdot, dxdot_dx,
-        dx_dx, M, K, b, Jac, coupled_term);
+        dx_dx, M, K, b, Jac, coupling_term);
 }
 
 }  // namespace HT
diff --git a/ProcessLib/HT/HTProcess.h b/ProcessLib/HT/HTProcess.h
index aa48954ed22..a5048e295cd 100644
--- a/ProcessLib/HT/HTProcess.h
+++ b/ProcessLib/HT/HTProcess.h
@@ -66,14 +66,14 @@ private:
     void assembleConcreteProcess(const double t, GlobalVector const& x,
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
-                                 StaggeredCouplingTerm const& coupled_term
+                                 StaggeredCouplingTerm const& coupling_term
                                 ) override;
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override;
+        StaggeredCouplingTerm const& coupling_term) override;
 
     HTProcessData _process_data;
 
diff --git a/ProcessLib/HeatConduction/HeatConductionProcess.cpp b/ProcessLib/HeatConduction/HeatConductionProcess.cpp
index d181c782f10..1f3782e6aa5 100644
--- a/ProcessLib/HeatConduction/HeatConductionProcess.cpp
+++ b/ProcessLib/HeatConduction/HeatConductionProcess.cpp
@@ -74,21 +74,21 @@ void HeatConductionProcess::assembleConcreteProcess(const double t,
                                                     GlobalMatrix& K,
                                                     GlobalVector& b,
                                                     StaggeredCouplingTerm
-                                                    const& coupled_term)
+                                                    const& coupling_term)
 {
     DBUG("Assemble HeatConductionProcess.");
 
     // Call global assembler for each local assembly item.
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assemble, _local_assemblers,
-        *_local_to_global_index_map, t, x, M, K, b, coupled_term);
+        *_local_to_global_index_map, t, x, M, K, b, coupling_term);
 }
 
 void HeatConductionProcess::assembleWithJacobianConcreteProcess(
     const double t, GlobalVector const& x, GlobalVector const& xdot,
     const double dxdot_dx, const double dx_dx, GlobalMatrix& M, GlobalMatrix& K,
     GlobalVector& b, GlobalMatrix& Jac,
-    StaggeredCouplingTerm const& coupled_term)
+    StaggeredCouplingTerm const& coupling_term)
 {
     DBUG("AssembleWithJacobian HeatConductionProcess.");
 
@@ -96,7 +96,7 @@ void HeatConductionProcess::assembleWithJacobianConcreteProcess(
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
         _local_assemblers, *_local_to_global_index_map, t, x, xdot, dxdot_dx,
-        dx_dx, M, K, b, Jac, coupled_term);
+        dx_dx, M, K, b, Jac, coupling_term);
 }
 
 void HeatConductionProcess::computeSecondaryVariableConcrete(const double t,
diff --git a/ProcessLib/HeatConduction/HeatConductionProcess.h b/ProcessLib/HeatConduction/HeatConductionProcess.h
index ae9a4a119a0..c6eaf6b103a 100644
--- a/ProcessLib/HeatConduction/HeatConductionProcess.h
+++ b/ProcessLib/HeatConduction/HeatConductionProcess.h
@@ -50,14 +50,14 @@ private:
     void assembleConcreteProcess(const double t, GlobalVector const& x,
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
-                                 StaggeredCouplingTerm const& coupled_term
+                                 StaggeredCouplingTerm const& coupling_term
                                 ) override;
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override;
+        StaggeredCouplingTerm const& coupling_term) override;
 
     HeatConductionProcessData _process_data;
 
diff --git a/ProcessLib/HydroMechanics/HydroMechanicsProcess.h b/ProcessLib/HydroMechanics/HydroMechanicsProcess.h
index 8b6e072941d..69295332b5d 100644
--- a/ProcessLib/HydroMechanics/HydroMechanicsProcess.h
+++ b/ProcessLib/HydroMechanics/HydroMechanicsProcess.h
@@ -108,7 +108,7 @@ private:
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
                                  StaggeredCouplingTerm const&
-                                 coupled_term) override
+                                 coupling_term) override
     {
         DBUG("Assemble HydroMechanicsProcess.");
 
@@ -116,14 +116,14 @@ private:
         GlobalExecutor::executeMemberDereferenced(
             _global_assembler, &VectorMatrixAssembler::assemble,
             _local_assemblers, *_local_to_global_index_map, t, x, M, K, b,
-            coupled_term);
+            coupling_term);
     }
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override
+        StaggeredCouplingTerm const& coupling_term) override
     {
         DBUG("AssembleJacobian HydroMechanicsProcess.");
 
@@ -131,7 +131,7 @@ private:
         GlobalExecutor::executeMemberDereferenced(
             _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
             _local_assemblers, *_local_to_global_index_map, t, x, xdot,
-            dxdot_dx, dx_dx, M, K, b, Jac, coupled_term);
+            dxdot_dx, dx_dx, M, K, b, Jac, coupling_term);
     }
 
     void preTimestepConcreteProcess(GlobalVector const& x, double const t,
diff --git a/ProcessLib/LIE/HydroMechanics/HydroMechanicsProcess.h b/ProcessLib/LIE/HydroMechanics/HydroMechanicsProcess.h
index ffcac549958..92a2f3043b8 100644
--- a/ProcessLib/LIE/HydroMechanics/HydroMechanicsProcess.h
+++ b/ProcessLib/LIE/HydroMechanics/HydroMechanicsProcess.h
@@ -69,7 +69,7 @@ private:
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
                                  StaggeredCouplingTerm const&
-                                 coupled_term) override
+                                 coupling_term) override
     {
         DBUG("Assemble HydroMechanicsProcess.");
 
@@ -77,14 +77,14 @@ private:
         GlobalExecutor::executeMemberDereferenced(
             _global_assembler, &VectorMatrixAssembler::assemble,
             _local_assemblers, *_local_to_global_index_map, t, x, M, K, b,
-            coupled_term);
+            coupling_term);
     }
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override
+        StaggeredCouplingTerm const& coupling_term) override
     {
         DBUG("AssembleWithJacobian HydroMechanicsProcess.");
 
@@ -92,7 +92,7 @@ private:
         GlobalExecutor::executeMemberDereferenced(
             _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
             _local_assemblers, *_local_to_global_index_map, t, x, xdot,
-            dxdot_dx, dx_dx, M, K, b, Jac, coupled_term);
+            dxdot_dx, dx_dx, M, K, b, Jac, coupling_term);
     }
 
     void preTimestepConcreteProcess(GlobalVector const& x, double const t,
diff --git a/ProcessLib/LIE/SmallDeformation/SmallDeformationProcess.h b/ProcessLib/LIE/SmallDeformation/SmallDeformationProcess.h
index fec8e1840d0..644388bb7a2 100644
--- a/ProcessLib/LIE/SmallDeformation/SmallDeformationProcess.h
+++ b/ProcessLib/LIE/SmallDeformation/SmallDeformationProcess.h
@@ -67,7 +67,7 @@ private:
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
                                  StaggeredCouplingTerm const&
-                                 coupled_term) override
+                                 coupling_term) override
     {
         DBUG("Assemble SmallDeformationProcess.");
 
@@ -75,14 +75,14 @@ private:
         GlobalExecutor::executeMemberDereferenced(
             _global_assembler, &VectorMatrixAssembler::assemble,
             _local_assemblers, *_local_to_global_index_map, t, x, M, K, b,
-            coupled_term);
+            coupling_term);
     }
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override
+        StaggeredCouplingTerm const& coupling_term) override
     {
         DBUG("AssembleWithJacobian SmallDeformationProcess.");
 
@@ -90,7 +90,7 @@ private:
         GlobalExecutor::executeMemberDereferenced(
             _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
             _local_assemblers, *_local_to_global_index_map, t, x, xdot,
-            dxdot_dx, dx_dx, M, K, b, Jac, coupled_term);
+            dxdot_dx, dx_dx, M, K, b, Jac, coupling_term);
     }
 
     void preTimestepConcreteProcess(GlobalVector const& x, double const t,
diff --git a/ProcessLib/LiquidFlow/LiquidFlowProcess.cpp b/ProcessLib/LiquidFlow/LiquidFlowProcess.cpp
index e9598f66f35..6897c23707f 100644
--- a/ProcessLib/LiquidFlow/LiquidFlowProcess.cpp
+++ b/ProcessLib/LiquidFlow/LiquidFlowProcess.cpp
@@ -94,20 +94,20 @@ void LiquidFlowProcess::assembleConcreteProcess(const double t,
                                                 GlobalMatrix& K,
                                                 GlobalVector& b,
                                                 StaggeredCouplingTerm const&
-                                                coupled_term)
+                                                coupling_term)
 {
     DBUG("Assemble LiquidFlowProcess.");
     // Call global assembler for each local assembly item.
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assemble, _local_assemblers,
-        *_local_to_global_index_map, t, x, M, K, b, coupled_term);
+        *_local_to_global_index_map, t, x, M, K, b, coupling_term);
 }
 
 void LiquidFlowProcess::assembleWithJacobianConcreteProcess(
     const double t, GlobalVector const& x, GlobalVector const& xdot,
     const double dxdot_dx, const double dx_dx, GlobalMatrix& M, GlobalMatrix& K,
     GlobalVector& b, GlobalMatrix& Jac,
-    StaggeredCouplingTerm const& coupled_term)
+    StaggeredCouplingTerm const& coupling_term)
 {
     DBUG("AssembleWithJacobian LiquidFlowProcess.");
 
@@ -115,7 +115,7 @@ void LiquidFlowProcess::assembleWithJacobianConcreteProcess(
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
         _local_assemblers, *_local_to_global_index_map, t, x, xdot, dxdot_dx,
-        dx_dx, M, K, b, Jac, coupled_term);
+        dx_dx, M, K, b, Jac, coupling_term);
 }
 
 void LiquidFlowProcess::computeSecondaryVariableConcrete(const double t,
diff --git a/ProcessLib/LiquidFlow/LiquidFlowProcess.h b/ProcessLib/LiquidFlow/LiquidFlowProcess.h
index 737e6b11501..aae25d9108d 100644
--- a/ProcessLib/LiquidFlow/LiquidFlowProcess.h
+++ b/ProcessLib/LiquidFlow/LiquidFlowProcess.h
@@ -85,14 +85,14 @@ private:
     void assembleConcreteProcess(const double t, GlobalVector const& x,
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
-                                 StaggeredCouplingTerm const& coupled_term
+                                 StaggeredCouplingTerm const& coupling_term
                                 ) override;
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override;
+        StaggeredCouplingTerm const& coupling_term) override;
 
     const int _gravitational_axis_id;
     const double _gravitational_acceleration;
diff --git a/ProcessLib/LocalAssemblerInterface.cpp b/ProcessLib/LocalAssemblerInterface.cpp
index aeaca5e2121..8eb8198e77b 100644
--- a/ProcessLib/LocalAssemblerInterface.cpp
+++ b/ProcessLib/LocalAssemblerInterface.cpp
@@ -19,7 +19,7 @@ void LocalAssemblerInterface::coupling_assemble(
     std::vector<double>& /*local_M_data*/,
     std::vector<double>& /*local_K_data*/,
     std::vector<double>& /*local_b_data*/,
-    LocalCouplingTerm const& /*coupled_term*/)
+    LocalCouplingTerm const& /*coupling_term*/)
 {
     OGS_FATAL(
         "The coupling_assemble() function is not implemented in the local "
@@ -39,17 +39,17 @@ void LocalAssemblerInterface::assembleWithJacobian(
         "assembler.");
 }
 
-void LocalAssemblerInterface::coupling_assembleWithJacobian(
+void LocalAssemblerInterface::assembleWithJacobianAndCouping(
     double const /*t*/, std::vector<double> const& /*local_x*/,
     std::vector<double> const& /*local_xdot*/, const double /*dxdot_dx*/,
     const double /*dx_dx*/, std::vector<double>& /*local_M_data*/,
     std::vector<double>& /*local_K_data*/,
     std::vector<double>& /*local_b_data*/,
     std::vector<double>& /*local_Jac_data*/,
-    LocalCouplingTerm const& /*coupled_term*/)
+    LocalCouplingTerm const& /*coupling_term*/)
 {
     OGS_FATAL(
-        "The coupling_assembleWithJacobian() function is not implemented in"
+        "The assembleWithJacobianAndCouping() function is not implemented in"
         " the local assembler.");
 }
 
diff --git a/ProcessLib/LocalAssemblerInterface.h b/ProcessLib/LocalAssemblerInterface.h
index 3cb9d7b64da..a70871b4b33 100644
--- a/ProcessLib/LocalAssemblerInterface.h
+++ b/ProcessLib/LocalAssemblerInterface.h
@@ -41,7 +41,7 @@ public:
                                    std::vector<double>& local_M_data,
                                    std::vector<double>& local_K_data,
                                    std::vector<double>& local_b_data,
-                                   LocalCouplingTerm const& coupled_term);
+                                   LocalCouplingTerm const& coupling_term);
 
     virtual void assembleWithJacobian(double const t,
                                       std::vector<double> const& local_x,
@@ -52,7 +52,7 @@ public:
                                       std::vector<double>& local_b_data,
                                       std::vector<double>& local_Jac_data);
 
-    virtual void coupling_assembleWithJacobian(double const t,
+    virtual void assembleWithJacobianAndCouping(double const t,
                                       std::vector<double> const& local_x,
                                       std::vector<double> const& local_xdot,
                                       const double dxdot_dx, const double dx_dx,
@@ -60,7 +60,7 @@ public:
                                       std::vector<double>& local_K_data,
                                       std::vector<double>& local_b_data,
                                       std::vector<double>& local_Jac_data,
-                                      LocalCouplingTerm const& coupled_term);
+                                      LocalCouplingTerm const& coupling_term);
 
     virtual void computeSecondaryVariable(std::size_t const mesh_item_id,
                               NumLib::LocalToGlobalIndexMap const& dof_table,
diff --git a/ProcessLib/Process.cpp b/ProcessLib/Process.cpp
index f41e79a61af..addff2becea 100644
--- a/ProcessLib/Process.cpp
+++ b/ProcessLib/Process.cpp
@@ -120,9 +120,9 @@ MathLib::MatrixSpecifications Process::getMatrixSpecifications() const
 
 void Process::assemble(const double t, GlobalVector const& x, GlobalMatrix& M,
                        GlobalMatrix& K, GlobalVector& b,
-                       StaggeredCouplingTerm const& coupled_term)
+                       StaggeredCouplingTerm const& coupling_term)
 {
-    assembleConcreteProcess(t, x, M, K, b, coupled_term);
+    assembleConcreteProcess(t, x, M, K, b, coupling_term);
 
     _boundary_conditions.applyNaturalBC(t, x, K, b);
 }
@@ -132,10 +132,10 @@ void Process::assembleWithJacobian(const double t, GlobalVector const& x,
                                    const double dxdot_dx, const double dx_dx,
                                    GlobalMatrix& M, GlobalMatrix& K,
                                    GlobalVector& b, GlobalMatrix& Jac,
-                                   StaggeredCouplingTerm const& coupled_term)
+                                   StaggeredCouplingTerm const& coupling_term)
 {
     assembleWithJacobianConcreteProcess(t, x, xdot, dxdot_dx, dx_dx, M, K, b,
-                                        Jac, coupled_term);
+                                        Jac, coupling_term);
 
     // TODO apply BCs to Jacobian.
     _boundary_conditions.applyNaturalBC(t, x, K, b);
diff --git a/ProcessLib/Process.h b/ProcessLib/Process.h
index 3290e47c65a..7bec88b5785 100644
--- a/ProcessLib/Process.h
+++ b/ProcessLib/Process.h
@@ -73,7 +73,7 @@ public:
 
     void assemble(const double t, GlobalVector const& x, GlobalMatrix& M,
                   GlobalMatrix& K, GlobalVector& b,
-                  StaggeredCouplingTerm const& coupled_term)
+                  StaggeredCouplingTerm const& coupling_term)
                   override final;
 
     void assembleWithJacobian(const double t, GlobalVector const& x,
@@ -81,7 +81,7 @@ public:
                               const double dx_dx, GlobalMatrix& M,
                               GlobalMatrix& K, GlobalVector& b,
                               GlobalMatrix& Jac,
-                              StaggeredCouplingTerm const& coupled_term)
+                              StaggeredCouplingTerm const& coupling_term)
                               override final;
 
     std::vector<NumLib::IndexValueVector<GlobalIndexType>> const*
@@ -144,14 +144,14 @@ private:
                                          GlobalMatrix& M, GlobalMatrix& K,
                                          GlobalVector& b,
                                          StaggeredCouplingTerm const&
-                                         coupled_term) = 0;
+                                         coupling_term) = 0;
 
     virtual void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x,
         GlobalVector const& xdot, const double dxdot_dx,
         const double dx_dx, GlobalMatrix& M, GlobalMatrix& K,
         GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) = 0;
+        StaggeredCouplingTerm const& coupling_term) = 0;
 
     virtual void preTimestepConcreteProcess(GlobalVector const& /*x*/,
                                             const double /*t*/,
diff --git a/ProcessLib/RichardsFlow/RichardsFlowProcess.cpp b/ProcessLib/RichardsFlow/RichardsFlowProcess.cpp
index 7e5858a6dc4..72ccaf7d4ec 100644
--- a/ProcessLib/RichardsFlow/RichardsFlowProcess.cpp
+++ b/ProcessLib/RichardsFlow/RichardsFlowProcess.cpp
@@ -57,21 +57,21 @@ void RichardsFlowProcess::assembleConcreteProcess(const double t,
                                                   GlobalMatrix& K,
                                                   GlobalVector& b,
                                                   StaggeredCouplingTerm const&
-                                                  coupled_term)
+                                                  coupling_term)
 {
     DBUG("Assemble RichardsFlowProcess.");
 
     // Call global assembler for each local assembly item.
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assemble, _local_assemblers,
-        *_local_to_global_index_map, t, x, M, K, b, coupled_term);
+        *_local_to_global_index_map, t, x, M, K, b, coupling_term);
 }
 
 void RichardsFlowProcess::assembleWithJacobianConcreteProcess(
     const double t, GlobalVector const& x, GlobalVector const& xdot,
     const double dxdot_dx, const double dx_dx, GlobalMatrix& M, GlobalMatrix& K,
     GlobalVector& b, GlobalMatrix& Jac,
-    StaggeredCouplingTerm const& coupled_term)
+    StaggeredCouplingTerm const& coupling_term)
 {
     DBUG("AssembleWithJacobian RichardsFlowProcess.");
 
@@ -79,7 +79,7 @@ void RichardsFlowProcess::assembleWithJacobianConcreteProcess(
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
         _local_assemblers, *_local_to_global_index_map, t, x, xdot, dxdot_dx,
-        dx_dx, M, K, b, Jac, coupled_term);
+        dx_dx, M, K, b, Jac, coupling_term);
 }
 
 }  // namespace RichardsFlow
diff --git a/ProcessLib/RichardsFlow/RichardsFlowProcess.h b/ProcessLib/RichardsFlow/RichardsFlowProcess.h
index e24395010aa..99a88b7806c 100644
--- a/ProcessLib/RichardsFlow/RichardsFlowProcess.h
+++ b/ProcessLib/RichardsFlow/RichardsFlowProcess.h
@@ -50,14 +50,14 @@ private:
     void assembleConcreteProcess(const double t, GlobalVector const& x,
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
-                                 StaggeredCouplingTerm const& coupled_term
+                                 StaggeredCouplingTerm const& coupling_term
                                 ) override;
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override;
+        StaggeredCouplingTerm const& coupling_term) override;
 
     RichardsFlowProcessData _process_data;
 
diff --git a/ProcessLib/SmallDeformation/SmallDeformationProcess.h b/ProcessLib/SmallDeformation/SmallDeformationProcess.h
index afb5003f633..cdf235b7c44 100644
--- a/ProcessLib/SmallDeformation/SmallDeformationProcess.h
+++ b/ProcessLib/SmallDeformation/SmallDeformationProcess.h
@@ -145,7 +145,7 @@ private:
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
                                  StaggeredCouplingTerm const&
-                                 coupled_term) override
+                                 coupling_term) override
     {
         DBUG("Assemble SmallDeformationProcess.");
 
@@ -153,14 +153,14 @@ private:
         GlobalExecutor::executeMemberDereferenced(
             _global_assembler, &VectorMatrixAssembler::assemble,
             _local_assemblers, *_local_to_global_index_map, t, x, M, K, b,
-            coupled_term);
+            coupling_term);
     }
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override
+        StaggeredCouplingTerm const& coupling_term) override
     {
         DBUG("AssembleWithJacobian SmallDeformationProcess.");
 
@@ -168,7 +168,7 @@ private:
         GlobalExecutor::executeMemberDereferenced(
             _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
             _local_assemblers, *_local_to_global_index_map, t, x, xdot,
-            dxdot_dx, dx_dx, M, K, b, Jac, coupled_term);
+            dxdot_dx, dx_dx, M, K, b, Jac, coupling_term);
     }
 
     void preTimestepConcreteProcess(GlobalVector const& x, double const t,
diff --git a/ProcessLib/StaggeredCouplingTerm.h b/ProcessLib/StaggeredCouplingTerm.h
index f8a93d6e08c..8089d0a07e0 100644
--- a/ProcessLib/StaggeredCouplingTerm.h
+++ b/ProcessLib/StaggeredCouplingTerm.h
@@ -25,8 +25,9 @@ class Process;
  *  A struct to keep the references of the coupled processes and the references
  *  of the current solutions of the equations of the coupled processes.
  *
- *  During un-coupling iteration, an instance of this struct is created and
- *  passed through interfaces to global and local assemblers for each process.
+ *  During staggered coupling iteration, an instance of this struct is created
+ *  and passed through interfaces to global and local assemblers for each
+ *  process.
  */
 struct StaggeredCouplingTerm
 {
diff --git a/ProcessLib/TES/TESProcess.cpp b/ProcessLib/TES/TESProcess.cpp
index 1b9c77a9b9b..9ccb2d4f15f 100644
--- a/ProcessLib/TES/TESProcess.cpp
+++ b/ProcessLib/TES/TESProcess.cpp
@@ -228,26 +228,26 @@ void TESProcess::assembleConcreteProcess(const double t,
                                          GlobalMatrix& K,
                                          GlobalVector& b,
                                          StaggeredCouplingTerm
-                                         const& coupled_term)
+                                         const& coupling_term)
 {
     DBUG("Assemble TESProcess.");
 
     // Call global assembler for each local assembly item.
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assemble, _local_assemblers,
-        *_local_to_global_index_map, t, x, M, K, b, coupled_term);
+        *_local_to_global_index_map, t, x, M, K, b, coupling_term);
 }
 
 void TESProcess::assembleWithJacobianConcreteProcess(
     const double t, GlobalVector const& x, GlobalVector const& xdot,
     const double dxdot_dx, const double dx_dx, GlobalMatrix& M, GlobalMatrix& K,
     GlobalVector& b, GlobalMatrix& Jac,
-    StaggeredCouplingTerm const& coupled_term)
+    StaggeredCouplingTerm const& coupling_term)
 {
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
         _local_assemblers, *_local_to_global_index_map, t, x, xdot, dxdot_dx,
-        dx_dx, M, K, b, Jac, coupled_term);
+        dx_dx, M, K, b, Jac, coupling_term);
 }
 
 void TESProcess::preTimestepConcreteProcess(GlobalVector const& x,
diff --git a/ProcessLib/TES/TESProcess.h b/ProcessLib/TES/TESProcess.h
index ab340d9b776..f75afb5b181 100644
--- a/ProcessLib/TES/TESProcess.h
+++ b/ProcessLib/TES/TESProcess.h
@@ -57,7 +57,7 @@ private:
     void assembleConcreteProcess(const double t, GlobalVector const& x,
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
-                                 StaggeredCouplingTerm const& coupled_term
+                                 StaggeredCouplingTerm const& coupling_term
                                 ) override;
 
     void initializeSecondaryVariables();
@@ -66,7 +66,7 @@ private:
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override;
+        StaggeredCouplingTerm const& coupling_term) override;
 
     GlobalVector const& computeVapourPartialPressure(
         GlobalVector const& x,
diff --git a/ProcessLib/TwoPhaseFlowWithPP/TwoPhaseFlowWithPPProcess.cpp b/ProcessLib/TwoPhaseFlowWithPP/TwoPhaseFlowWithPPProcess.cpp
index 79b9619105f..2cbb77f5b51 100644
--- a/ProcessLib/TwoPhaseFlowWithPP/TwoPhaseFlowWithPPProcess.cpp
+++ b/ProcessLib/TwoPhaseFlowWithPP/TwoPhaseFlowWithPPProcess.cpp
@@ -74,20 +74,20 @@ void TwoPhaseFlowWithPPProcess::assembleConcreteProcess(const double t,
                                                         GlobalMatrix& K,
                                                         GlobalVector& b,
                                                         StaggeredCouplingTerm
-                                                        const& coupled_term)
+                                                        const& coupling_term)
 {
     DBUG("Assemble TwoPhaseFlowWithPPProcess.");
     // Call global assembler for each local assembly item.
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assemble, _local_assemblers,
-        *_local_to_global_index_map, t, x, M, K, b, coupled_term);
+        *_local_to_global_index_map, t, x, M, K, b, coupling_term);
 }
 
 void TwoPhaseFlowWithPPProcess::assembleWithJacobianConcreteProcess(
     const double t, GlobalVector const& x, GlobalVector const& xdot,
     const double dxdot_dx, const double dx_dx, GlobalMatrix& M, GlobalMatrix& K,
     GlobalVector& b, GlobalMatrix& Jac,
-    StaggeredCouplingTerm const& coupled_term)
+    StaggeredCouplingTerm const& coupling_term)
 {
     DBUG("AssembleWithJacobian TwoPhaseFlowWithPPProcess.");
 
@@ -95,7 +95,7 @@ void TwoPhaseFlowWithPPProcess::assembleWithJacobianConcreteProcess(
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
         _local_assemblers, *_local_to_global_index_map, t, x, xdot, dxdot_dx,
-        dx_dx, M, K, b, Jac, coupled_term);
+        dx_dx, M, K, b, Jac, coupling_term);
 }
 
 }  // end of namespace
diff --git a/ProcessLib/TwoPhaseFlowWithPP/TwoPhaseFlowWithPPProcess.h b/ProcessLib/TwoPhaseFlowWithPP/TwoPhaseFlowWithPPProcess.h
index dd0f8789033..42854353fe4 100644
--- a/ProcessLib/TwoPhaseFlowWithPP/TwoPhaseFlowWithPPProcess.h
+++ b/ProcessLib/TwoPhaseFlowWithPP/TwoPhaseFlowWithPPProcess.h
@@ -61,14 +61,14 @@ private:
     void assembleConcreteProcess(const double t, GlobalVector const& x,
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
-                                 StaggeredCouplingTerm const& coupled_term
+                                 StaggeredCouplingTerm const& coupling_term
                                 ) override;
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override;
+        StaggeredCouplingTerm const& coupling_term) override;
 
     TwoPhaseFlowWithPPProcessData _process_data;
 
diff --git a/ProcessLib/TwoPhaseFlowWithPrho/TwoPhaseFlowWithPrhoProcess.cpp b/ProcessLib/TwoPhaseFlowWithPrho/TwoPhaseFlowWithPrhoProcess.cpp
index 9af42f4c48f..e57594d1c20 100644
--- a/ProcessLib/TwoPhaseFlowWithPrho/TwoPhaseFlowWithPrhoProcess.cpp
+++ b/ProcessLib/TwoPhaseFlowWithPrho/TwoPhaseFlowWithPrhoProcess.cpp
@@ -74,20 +74,20 @@ void TwoPhaseFlowWithPrhoProcess::assembleConcreteProcess(const double t,
                                                           GlobalMatrix& K,
                                                           GlobalVector& b,
                                                           StaggeredCouplingTerm
-                                                          const& coupled_term)
+                                                          const& coupling_term)
 {
     DBUG("Assemble TwoPhaseFlowWithPrhoProcess.");
     // Call global assembler for each local assembly item.
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assemble, _local_assemblers,
-        *_local_to_global_index_map, t, x, M, K, b, coupled_term);
+        *_local_to_global_index_map, t, x, M, K, b, coupling_term);
 }
 
 void TwoPhaseFlowWithPrhoProcess::assembleWithJacobianConcreteProcess(
     const double t, GlobalVector const& x, GlobalVector const& xdot,
     const double dxdot_dx, const double dx_dx, GlobalMatrix& M, GlobalMatrix& K,
     GlobalVector& b, GlobalMatrix& Jac,
-    StaggeredCouplingTerm const& coupled_term)
+    StaggeredCouplingTerm const& coupling_term)
 {
     DBUG("AssembleWithJacobian TwoPhaseFlowWithPrhoProcess.");
 
@@ -95,7 +95,7 @@ void TwoPhaseFlowWithPrhoProcess::assembleWithJacobianConcreteProcess(
     GlobalExecutor::executeMemberDereferenced(
         _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
         _local_assemblers, *_local_to_global_index_map, t, x, xdot, dxdot_dx,
-        dx_dx, M, K, b, Jac, coupled_term);
+        dx_dx, M, K, b, Jac, coupling_term);
 }
 void TwoPhaseFlowWithPrhoProcess::preTimestepConcreteProcess(
     GlobalVector const& x, double const t, double const dt)
diff --git a/ProcessLib/TwoPhaseFlowWithPrho/TwoPhaseFlowWithPrhoProcess.h b/ProcessLib/TwoPhaseFlowWithPrho/TwoPhaseFlowWithPrhoProcess.h
index decfa1103e6..b148a749851 100644
--- a/ProcessLib/TwoPhaseFlowWithPrho/TwoPhaseFlowWithPrhoProcess.h
+++ b/ProcessLib/TwoPhaseFlowWithPrho/TwoPhaseFlowWithPrhoProcess.h
@@ -57,13 +57,13 @@ private:
     void assembleConcreteProcess(const double t, GlobalVector const& x,
                                  GlobalMatrix& M, GlobalMatrix& K,
                                  GlobalVector& b,
-                                 StaggeredCouplingTerm const& coupled_term) override;
+                                 StaggeredCouplingTerm const& coupling_term) override;
 
     void assembleWithJacobianConcreteProcess(
         const double t, GlobalVector const& x, GlobalVector const& xdot,
         const double dxdot_dx, const double dx_dx, GlobalMatrix& M,
         GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac,
-        StaggeredCouplingTerm const& coupled_term) override;
+        StaggeredCouplingTerm const& coupling_term) override;
 
     void preTimestepConcreteProcess(GlobalVector const& x, const double t,
                                     const double delta_t) override;
diff --git a/ProcessLib/UncoupledProcessesTimeLoop.cpp b/ProcessLib/UncoupledProcessesTimeLoop.cpp
index e2dcbe75eab..2612356056c 100644
--- a/ProcessLib/UncoupledProcessesTimeLoop.cpp
+++ b/ProcessLib/UncoupledProcessesTimeLoop.cpp
@@ -438,7 +438,7 @@ std::vector<GlobalVector*> setInitialConditions(
 bool solveOneTimeStepOneProcess(GlobalVector& x, std::size_t const timestep,
                                 double const t, double const delta_t,
                                 SingleProcessData& process_data,
-                                StaggeredCouplingTerm const& coupled_term,
+                                StaggeredCouplingTerm const& coupling_term,
                                 Output const& output_control)
 {
     auto& process = process_data.process;
@@ -466,7 +466,7 @@ bool solveOneTimeStepOneProcess(GlobalVector& x, std::size_t const timestep,
     };
 
     bool nonlinear_solver_succeeded =
-        nonlinear_solver.solve(x, coupled_term, post_iteration_callback);
+        nonlinear_solver.solve(x, coupling_term, post_iteration_callback);
 
     auto& mat_strg = *process_data.mat_strg;
     time_disc.pushState(t, x, mat_strg);
@@ -479,17 +479,18 @@ UncoupledProcessesTimeLoop::UncoupledProcessesTimeLoop(
     std::unique_ptr<Output>&& output,
     std::vector<std::unique_ptr<SingleProcessData>>&& per_process_data,
     const unsigned global_coupling_max_iterations,
-    std::unique_ptr<NumLib::ConvergenceCriterion>&& glb_coupling_conv_crit)
+    std::unique_ptr<NumLib::ConvergenceCriterion>&& global_coupling_conv_crit)
     : _timestepper{std::move(timestepper)},
       _output(std::move(output)),
       _per_process_data(std::move(per_process_data)),
       _global_coupling_max_iterations(global_coupling_max_iterations),
-      _global_coupling_conv_crit(std::move(glb_coupling_conv_crit))
+      _global_coupling_conv_crit(std::move(global_coupling_conv_crit))
 {
 }
 
 bool UncoupledProcessesTimeLoop::setCoupledSolutions()
 {
+    // Do nothing if process are not coupled
     if (!_global_coupling_conv_crit && _global_coupling_max_iterations == 1)
         return false;
 
@@ -497,9 +498,6 @@ bool UncoupledProcessesTimeLoop::setCoupledSolutions()
     _solutions_of_coupled_processes.reserve(_per_process_data.size());
     for (auto& spd : _per_process_data)
     {
-        BaseLib::RunTime time_timestep_process;
-        time_timestep_process.start();
-
         auto const& coupled_processes = spd->coupled_processes;
         std::unordered_map<std::type_index, GlobalVector const&> coupled_xs;
         for (auto const& coupled_process_map : coupled_processes)
@@ -538,7 +536,7 @@ bool UncoupledProcessesTimeLoop::setCoupledSolutions()
         _solutions_of_last_cpl_iteration.emplace_back(x_coupling0);
 
         ++pcs_idx;
-    }
+    }  // end of for (auto& spd : _per_process_data)
 
     return true;
 }
@@ -678,7 +676,7 @@ bool UncoupledProcessesTimeLoop::solveUncoupledEquationSystems(
         }
 
         ++pcs_idx;
-    }
+    }  // end of for (auto& spd : _per_process_data)
 
     return true;
 }
@@ -688,7 +686,9 @@ bool UncoupledProcessesTimeLoop::solveCoupledEquationSystemsByStaggeredScheme(
 {
     // Coupling iteration
     bool coupling_iteration_converged = true;
-    for (unsigned i = 0; i < _global_coupling_max_iterations; i++)
+    for (unsigned global_coupling_iteration = 0;
+         global_coupling_iteration < _global_coupling_max_iterations;
+         global_coupling_iteration++)
     {
         // TODO use process name
         bool nonlinear_solver_succeeded = true;
@@ -700,7 +700,7 @@ bool UncoupledProcessesTimeLoop::solveCoupledEquationSystemsByStaggeredScheme(
             time_timestep_process.start();
 
             auto& x = *_process_solutions[pcs_idx];
-            if (i == 0)
+            if (global_coupling_iteration == 0)
             {
                 // Copy the solution of the previous time step to a vector that
                 // belongs to process. For some problems, both of the current
@@ -716,17 +716,18 @@ bool UncoupledProcessesTimeLoop::solveCoupledEquationSystemsByStaggeredScheme(
                 // Set the flag of the first iteration be false.
                 _global_coupling_conv_crit->setNoFirstIteration();
             }
-            StaggeredCouplingTerm coupled_term(
+            StaggeredCouplingTerm coupling_term(
                 spd->coupled_processes,
                 _solutions_of_coupled_processes[pcs_idx], dt);
 
             const auto nonlinear_solver_succeeded = solveOneTimeStepOneProcess(
-                x, timestep_id, t, dt, *spd, coupled_term, *_output);
+                x, timestep_id, t, dt, *spd, coupling_term, *_output);
 
             INFO(
                 "[time] Solving process #%u took %g s in time step #%u "
                 " coupling iteration #%u",
-                pcs_idx, time_timestep_process.elapsed(), timestep_id, i);
+                pcs_idx, time_timestep_process.elapsed(), timestep_id,
+                global_coupling_iteration);
 
             if (!nonlinear_solver_succeeded)
             {
@@ -755,7 +756,7 @@ bool UncoupledProcessesTimeLoop::solveCoupledEquationSystemsByStaggeredScheme(
             MathLib::LinAlg::copy(x, x_old);
 
             ++pcs_idx;
-        }
+        }  // end of for (auto& spd : _per_process_data)
 
         if (coupling_iteration_converged)
             break;
diff --git a/ProcessLib/UncoupledProcessesTimeLoop.h b/ProcessLib/UncoupledProcessesTimeLoop.h
index 8036448a9b2..2c6b1bbb87a 100644
--- a/ProcessLib/UncoupledProcessesTimeLoop.h
+++ b/ProcessLib/UncoupledProcessesTimeLoop.h
@@ -40,7 +40,8 @@ public:
         std::unique_ptr<Output>&& output,
         std::vector<std::unique_ptr<SingleProcessData>>&& per_process_data,
         const unsigned global_coupling_max_iterations,
-        std::unique_ptr<NumLib::ConvergenceCriterion>&& glb_coupling_conv_crit);
+        std::unique_ptr<NumLib::ConvergenceCriterion>&&
+            global_coupling_conv_crit);
 
     bool loop();
 
diff --git a/ProcessLib/VectorMatrixAssembler.cpp b/ProcessLib/VectorMatrixAssembler.cpp
index 32851bf2a87..5e454b28ce1 100644
--- a/ProcessLib/VectorMatrixAssembler.cpp
+++ b/ProcessLib/VectorMatrixAssembler.cpp
@@ -21,13 +21,13 @@ namespace ProcessLib
 {
 static std::unordered_map<std::type_index, const std::vector<double>>
 getPreviousLocalSolutionsOfCoupledProcesses(
-    const StaggeredCouplingTerm& coupled_term,
+    const StaggeredCouplingTerm& coupling_term,
     const std::vector<GlobalIndexType>& indices)
 {
     std::unordered_map<std::type_index, const std::vector<double>>
         local_coupled_xs0;
 
-    for (auto const& coupled_process_map : coupled_term.coupled_processes)
+    for (auto const& coupled_process_map : coupling_term.coupled_processes)
     {
         auto const& coupled_pcs = coupled_process_map.second;
         auto const prevous_time_x = coupled_pcs.getPreviousTimeStepSolution();
@@ -79,7 +79,7 @@ void VectorMatrixAssembler::assemble(
     const std::size_t mesh_item_id, LocalAssemblerInterface& local_assembler,
     const NumLib::LocalToGlobalIndexMap& dof_table, const double t,
     const GlobalVector& x, GlobalMatrix& M, GlobalMatrix& K, GlobalVector& b,
-    const StaggeredCouplingTerm& coupled_term)
+    const StaggeredCouplingTerm& coupling_term)
 {
     auto const indices = NumLib::getIndices(mesh_item_id, dof_table);
     auto const local_x = x.get(indices);
@@ -88,7 +88,7 @@ void VectorMatrixAssembler::assemble(
     _local_K_data.clear();
     _local_b_data.clear();
 
-    if (coupled_term.empty)
+    if (coupling_term.empty)
     {
         local_assembler.assemble(t, local_x, _local_M_data, _local_K_data,
                                  _local_b_data);
@@ -96,11 +96,11 @@ void VectorMatrixAssembler::assemble(
     else
     {
         auto local_coupled_xs0 =
-            getPreviousLocalSolutionsOfCoupledProcesses(coupled_term, indices);
+            getPreviousLocalSolutionsOfCoupledProcesses(coupling_term, indices);
         auto local_coupled_xs = getCurrentLocalSolutionsOfCoupledProcesses(
-            coupled_term.coupled_xs, indices);
+            coupling_term.coupled_xs, indices);
         ProcessLib::LocalCouplingTerm local_coupling_term(
-            coupled_term.dt, coupled_term.coupled_processes,
+            coupling_term.dt, coupling_term.coupled_processes,
             std::move(local_coupled_xs0), std::move(local_coupled_xs));
 
         local_assembler.coupling_assemble(t, local_x, _local_M_data,
@@ -134,7 +134,7 @@ void VectorMatrixAssembler::assembleWithJacobian(
     NumLib::LocalToGlobalIndexMap const& dof_table, const double t,
     GlobalVector const& x, GlobalVector const& xdot, const double dxdot_dx,
     const double dx_dx, GlobalMatrix& M, GlobalMatrix& K, GlobalVector& b,
-    GlobalMatrix& Jac, const StaggeredCouplingTerm& coupled_term)
+    GlobalMatrix& Jac, const StaggeredCouplingTerm& coupling_term)
 {
     auto const indices = NumLib::getIndices(mesh_item_id, dof_table);
     auto const local_x = x.get(indices);
@@ -145,7 +145,7 @@ void VectorMatrixAssembler::assembleWithJacobian(
     _local_b_data.clear();
     _local_Jac_data.clear();
 
-    if (coupled_term.empty)
+    if (coupling_term.empty)
     {
         _jacobian_assembler->assembleWithJacobian(
             local_assembler, t, local_x, local_xdot, dxdot_dx, dx_dx,
@@ -154,14 +154,14 @@ void VectorMatrixAssembler::assembleWithJacobian(
     else
     {
         auto local_coupled_xs0 =
-            getPreviousLocalSolutionsOfCoupledProcesses(coupled_term, indices);
+            getPreviousLocalSolutionsOfCoupledProcesses(coupling_term, indices);
         auto local_coupled_xs = getCurrentLocalSolutionsOfCoupledProcesses(
-            coupled_term.coupled_xs, indices);
+            coupling_term.coupled_xs, indices);
         ProcessLib::LocalCouplingTerm local_coupling_term(
-            coupled_term.dt, coupled_term.coupled_processes,
+            coupling_term.dt, coupling_term.coupled_processes,
             std::move(local_coupled_xs0), std::move(local_coupled_xs));
 
-        _jacobian_assembler->coupling_assembleWithJacobian(
+        _jacobian_assembler->assembleWithJacobianAndCouping(
             local_assembler, t, local_x, local_xdot, dxdot_dx, dx_dx,
             _local_M_data, _local_K_data, _local_b_data, _local_Jac_data,
             local_coupling_term);
diff --git a/ProcessLib/VectorMatrixAssembler.h b/ProcessLib/VectorMatrixAssembler.h
index 26046c82ab5..737805a75ef 100644
--- a/ProcessLib/VectorMatrixAssembler.h
+++ b/ProcessLib/VectorMatrixAssembler.h
@@ -40,7 +40,7 @@ public:
                   NumLib::LocalToGlobalIndexMap const& dof_table,
                   double const t, GlobalVector const& x, GlobalMatrix& M,
                   GlobalMatrix& K, GlobalVector& b,
-                  const StaggeredCouplingTerm& coupled_term);
+                  const StaggeredCouplingTerm& coupling_term);
 
     //! Assembles \c M, \c K, \c b, and the Jacobian \c Jac of the residual.
     //! \note The Jacobian must be assembled.
@@ -52,7 +52,7 @@ public:
                               const double dx_dx, GlobalMatrix& M,
                               GlobalMatrix& K, GlobalVector& b,
                               GlobalMatrix& Jac,
-                              const StaggeredCouplingTerm& coupled_term);
+                              const StaggeredCouplingTerm& coupling_term);
 
 private:
     // temporary data only stored here in order to avoid frequent memory
diff --git a/Tests/NumLib/ODEs.h b/Tests/NumLib/ODEs.h
index da01e8c8c06..0350116e052 100644
--- a/Tests/NumLib/ODEs.h
+++ b/Tests/NumLib/ODEs.h
@@ -29,7 +29,7 @@ class ODE1 final : public NumLib::ODESystem<
 public:
     void assemble(const double /*t*/, GlobalVector const& /*x*/,
                   GlobalMatrix& M, GlobalMatrix& K, GlobalVector& b,
-                  ProcessLib::StaggeredCouplingTerm const& /*coupled_term*/
+                  ProcessLib::StaggeredCouplingTerm const& /*coupling_term*/
                  ) override
     {
         MathLib::setMatrix(M, { 1.0, 0.0,  0.0, 1.0 });
@@ -44,11 +44,11 @@ public:
                               GlobalMatrix& K, GlobalVector& b,
                               GlobalMatrix& Jac,
                               ProcessLib::StaggeredCouplingTerm
-                              const& coupled_term) override
+                              const& coupling_term) override
     {
         namespace LinAlg = MathLib::LinAlg;
 
-        assemble(t, x_curr, M, K, b, coupled_term);
+        assemble(t, x_curr, M, K, b, coupling_term);
 
         // compute Jac = M*dxdot_dx + dx_dx*K
         LinAlg::finalizeAssembly(M);
@@ -109,7 +109,7 @@ class ODE2 final : public NumLib::ODESystem<
 public:
     void assemble(const double /*t*/, GlobalVector const& x, GlobalMatrix& M,
                   GlobalMatrix& K, GlobalVector& b,
-                  ProcessLib::StaggeredCouplingTerm const& /*coupled_term*/
+                  ProcessLib::StaggeredCouplingTerm const& /*coupling_term*/
                  ) override
     {
         MathLib::setMatrix(M, {1.0});
@@ -123,9 +123,9 @@ public:
                               GlobalMatrix& M, GlobalMatrix& K, GlobalVector& b,
                               GlobalMatrix& Jac,
                               ProcessLib::StaggeredCouplingTerm const&
-                              coupled_term) override
+                              coupling_term) override
     {
-        assemble(t, x, M, K, b, coupled_term);
+        assemble(t, x, M, K, b, coupling_term);
 
         namespace LinAlg = MathLib::LinAlg;
 
@@ -197,7 +197,7 @@ class ODE3 final : public NumLib::ODESystem<
 public:
     void assemble(const double /*t*/, GlobalVector const& x_curr, GlobalMatrix& M,
                   GlobalMatrix& K, GlobalVector& b,
-                  ProcessLib::StaggeredCouplingTerm const& /*coupled_term*/
+                  ProcessLib::StaggeredCouplingTerm const& /*coupling_term*/
                  ) override
     {
         auto const u = x_curr[0];
@@ -215,9 +215,9 @@ public:
                               GlobalMatrix& K, GlobalVector& b,
                               GlobalMatrix& Jac,
                               ProcessLib::StaggeredCouplingTerm const&
-                              coupled_term) override
+                              coupling_term) override
     {
-        assemble(t, x_curr, M, K, b, coupled_term);
+        assemble(t, x_curr, M, K, b, coupling_term);
 
         auto const u = x_curr[0];
         auto const v = x_curr[1];
-- 
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