diff --git a/Tests/Data/Parabolic/ComponentTransport/ConTracer/ConTracer_1d.prj b/Tests/Data/Parabolic/ComponentTransport/ConTracer/ConTracer_1d.prj
index a2a22e7b790c72f3cbcdaa8b1d9c1ca5945bae73..b4334b8480bf048840f9409d24e15b638de3df19 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ConTracer/ConTracer_1d.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ConTracer/ConTracer_1d.prj
@@ -15,7 +15,7 @@
                 <concentration>Cs</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
                 <secondary_variable internal_name="molar_flux" output_name="molar_flux"/>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite.prj
index 43bfc960f608bc02765b1e2ba8c493fe3e3e965f..1884ba5743a81cf6da5018cfdfe3361e27432046 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite.prj
@@ -20,7 +20,7 @@
                 <concentration>H</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
             </secondary_variables>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calciteDissolvePrecipitateOnly.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calciteDissolvePrecipitateOnly.prj
index f8b13162ae726e3f92aa7e83eb0e7677beb1602f..0ea5207012aa679ee67de586597a193b4fb9bc98 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calciteDissolvePrecipitateOnly.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calciteDissolvePrecipitateOnly.prj
@@ -20,7 +20,7 @@
                 <concentration>H</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
             </secondary_variables>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcitePorosityChange.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcitePorosityChange.prj
index d8808e72be9a355ac2be5d364a4febeaf1c8c1ad..9c6fbbd59215f755881ee4eba71e16bde7d1ddff 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcitePorosityChange.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcitePorosityChange.prj
@@ -20,7 +20,7 @@
                 <concentration>H</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <chemically_induced_porosity_change>true</chemically_induced_porosity_change>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite_phreeqckernel.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite_phreeqckernel.prj
index ed86dc6959e998eebd08bb91d83c6e78159831ad..79443551105531d7ec32d1d4ae31ec7f68fd9922 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite_phreeqckernel.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite_phreeqckernel.prj
@@ -20,7 +20,7 @@
                 <concentration>H</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
             </secondary_variables>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac.prj
index 08530df995eb75ba3f627d0ae5d0c667f036256c..c590da110b1df0cf4a32083455a9b8c9872a3ba6 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac.prj
@@ -18,7 +18,7 @@
                 <concentration>Syntheticb</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
             </secondary_variables>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac_flag_formula.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac_flag_formula.prj
index 239a41039216e43aa1b3fe80741ae6c46673fadc..3de38238e98f53000589945ad80291873a4976c2 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac_flag_formula.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac_flag_formula.prj
@@ -18,7 +18,7 @@
                 <concentration>Syntheticb</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <chemically_induced_porosity_change>true</chemically_induced_porosity_change>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac_phreeqckernel.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac_phreeqckernel.prj
index 0deb3e23b40f38070cbc8e504477688a56ee8189..61e9074a06facfb0dc48f7adfff1bb83662541ab 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac_phreeqckernel.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant/1d_isofrac_phreeqckernel.prj
@@ -14,7 +14,7 @@
                 <concentration>Syntheticb</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
             </secondary_variables>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant_AllAsComponents/KineticReactant2.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant_AllAsComponents/KineticReactant2.prj
index 09f01104e2923b84bac86d92e726c15cbb1b6761..503310ec45dcdf07cdb3cc7264f3f1994f9019e1 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant_AllAsComponents/KineticReactant2.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/KineticReactant_AllAsComponents/KineticReactant2.prj
@@ -19,7 +19,7 @@
                 <concentration>Productd</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
             </secondary_variables>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption.prj
index b7a295da4cd7ae3f9c39f4a55c5a2b9f0b854bbf..6a68d8ee675725a7b3ef87fbba23fb6e8c932f4b 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption.prj
@@ -22,7 +22,7 @@
                 <concentration>U(6)</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
             </secondary_variables>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption_SitesMoles.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption_SitesMoles.prj
index f6069c8b7141742e6534a78e7dc50344cc0c7719..8984868e5580955338eeef6d23eb0e8ba43f4d8d 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption_SitesMoles.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption_SitesMoles.prj
@@ -22,7 +22,7 @@
                 <concentration>U(6)</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
             </secondary_variables>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption_fixed_pe.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption_fixed_pe.prj
index 091103f95499d855eca72725ca534a4952ea29c1..172bc012fa231b1891af7de7c55e7733ffc04141 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption_fixed_pe.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/SurfaceComplexation/RadionuclideSorption_fixed_pe.prj
@@ -22,7 +22,7 @@
                 <concentration>U(6)</concentration>
                 <pressure>pressure</pressure>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
             </secondary_variables>
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/Wetland/Wetland_1d.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/Wetland/Wetland_1d.prj
index ccedee085a1c019cf56808de14702642270c0b6f..dd6f9f30c705876ea8a1ed74d6c60034421c006c 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/Wetland/Wetland_1d.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/Wetland/Wetland_1d.prj
@@ -26,7 +26,7 @@
                 <concentration>Xs_m</concentration>
                 <concentration>Xi_m</concentration>
             </process_variables>
-            <specific_body_force>0 0</specific_body_force>
+            <specific_body_force>0</specific_body_force>
             <secondary_variables>
                 <secondary_variable internal_name="darcy_velocity" output_name="darcy_velocity"/>
             </secondary_variables>