From a57d6134a1ec1cd24f9f637d1e4b51ae9df711e1 Mon Sep 17 00:00:00 2001
From: Wenqing Wang <wenqing.wang@ufz.de>
Date: Tue, 8 Jun 2021 15:42:21 +0200
Subject: [PATCH] [LIE] Improved the rotation computation of boday force and
velocity.
---
...ydroMechanicsLocalAssemblerFracture-impl.h | 27 +++++++++----------
1 file changed, 12 insertions(+), 15 deletions(-)
diff --git a/ProcessLib/LIE/HydroMechanics/LocalAssembler/HydroMechanicsLocalAssemblerFracture-impl.h b/ProcessLib/LIE/HydroMechanics/LocalAssembler/HydroMechanicsLocalAssemblerFracture-impl.h
index d3deed08d1b..1d6eb55a2a4 100644
--- a/ProcessLib/LIE/HydroMechanics/LocalAssembler/HydroMechanicsLocalAssemblerFracture-impl.h
+++ b/ProcessLib/LIE/HydroMechanics/LocalAssembler/HydroMechanicsLocalAssemblerFracture-impl.h
@@ -192,10 +192,12 @@ void HydroMechanicsLocalAssemblerFracture<ShapeFunctionDisplacement,
displacement_size, pressure_size>::Zero(displacement_size,
pressure_size);
- using GlobalDimMatrix = Eigen::Matrix<double, GlobalDim, GlobalDim>;
- using GlobalDimVector = Eigen::Matrix<double, GlobalDim, 1>;
+ // Projection of the body force vector at the element.
+ Eigen::MatrixXd const global2local_rotation =
+ R.topLeftCorner(_element.getDimension(), GlobalDim);
- auto const& gravity_vec = _process_data.specific_body_force;
+ auto const& gravity_vec =
+ (global2local_rotation * _process_data.specific_body_force).eval();
ParameterLib::SpatialPosition x_position;
x_position.setElementID(_element.getID());
@@ -253,19 +255,14 @@ void HydroMechanicsLocalAssemblerFracture<ShapeFunctionDisplacement,
t, x_position, ip_data.aperture0, stress0, w_prev, w,
effective_stress_prev, effective_stress, C, state);
- auto& permeability = ip_data.permeability;
- permeability = frac_prop.permeability_model->permeability(
+ auto& k = ip_data.permeability;
+ k = frac_prop.permeability_model->permeability(
ip_data.permeability_state.get(), ip_data.aperture0, b_m);
- GlobalDimMatrix const k =
- createRotatedTensor<GlobalDim>(R, permeability);
-
// derivative of permeability respect to aperture
double const local_dk_db =
frac_prop.permeability_model->dpermeability_daperture(
ip_data.permeability_state.get(), ip_data.aperture0, b_m);
- GlobalDimMatrix const dk_db =
- createRotatedTensor<GlobalDim>(R, local_dk_db);
//
// displacement equation, displacement jump part
@@ -292,18 +289,18 @@ void HydroMechanicsLocalAssemblerFracture<ShapeFunctionDisplacement,
//
// pressure equation, displacement jump part.
//
- GlobalDimVector const grad_head_over_mu =
- (dNdx_p * p + rho_fr * gravity_vec) / mu;
+ auto const grad_head_over_mu =
+ ((dNdx_p * p + rho_fr * gravity_vec) / mu).eval();
Eigen::Matrix<double, 1, displacement_size> const mT_R_Hg =
identity2.transpose() * R * H_g;
// velocity in global coordinates
ip_data.darcy_velocity.head(GlobalDim).noalias() =
- -R.transpose() * k * grad_head_over_mu;
+ -global2local_rotation.transpose() * k * grad_head_over_mu;
J_pg.noalias() += N_p.transpose() * S * N_p * p_dot * mT_R_Hg * ip_w;
J_pg.noalias() +=
dNdx_p.transpose() * k * grad_head_over_mu * mT_R_Hg * ip_w;
- J_pg.noalias() += dNdx_p.transpose() * b_m * dk_db * grad_head_over_mu *
- mT_R_Hg * ip_w;
+ J_pg.noalias() += dNdx_p.transpose() * b_m * local_dk_db *
+ grad_head_over_mu * mT_R_Hg * ip_w;
}
// displacement equation, pressure part
--
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