ProcessLib::TH2M::ConstitutiveRelations::ElasticTangentStiffnessModel< DisplacementDim > Struct Template Reference

Detailed Description

template<int DisplacementDim>
struct ProcessLib::TH2M::ConstitutiveRelations::ElasticTangentStiffnessModel< DisplacementDim >

Definition at line 21 of file ElasticTangentStiffnessModel.h.

#include <ElasticTangentStiffnessModel.h>

Public Member Functions
	ElasticTangentStiffnessModel (SolidConstitutiveRelation< DisplacementDim > const &solid_material)
void	eval (SpaceTimeData const &x_t, TemperatureData const &T_data, ElasticTangentStiffnessData< DisplacementDim > &out) const

Private Attributes
SolidConstitutiveRelation< DisplacementDim > const &	solid_material_

Constructor & Destructor Documentation

ElasticTangentStiffnessModel()

template<int DisplacementDim>

ProcessLib::TH2M::ConstitutiveRelations::ElasticTangentStiffnessModel< DisplacementDim >::ElasticTangentStiffnessModel ( SolidConstitutiveRelation< DisplacementDim > const & solid_material )

inlineexplicit

Definition at line 23 of file ElasticTangentStiffnessModel.h.

        : solid_material_(solid_material)
    {
    }

Member Function Documentation

eval()

template<int DisplacementDim>

void ProcessLib::TH2M::ConstitutiveRelations::ElasticTangentStiffnessModel< DisplacementDim >::eval	(	SpaceTimeData const &	x_t,
		TemperatureData const &	T_data,
		ElasticTangentStiffnessData< DisplacementDim > &	out ) const

Definition at line 19 of file ElasticTangentStiffnessModel.cpp.

{
    namespace MPL = MaterialPropertyLib;
 
    MPL::VariableArray variable_array;
    MPL::VariableArray variable_array_prev;
 
    auto const null_state = solid_material_.createMaterialStateVariables();
    solid_material_.initializeInternalStateVariables(x_t.t, x_t.x, *null_state);
 
    using KV = KelvinVector<DisplacementDim>;
 
    variable_array.stress.emplace<KV>(KV::Zero());
    variable_array.mechanical_strain.emplace<KV>(KV::Zero());
    variable_array.temperature = T_data.T;
 
    variable_array_prev.stress.emplace<KV>(KV::Zero());
    variable_array_prev.mechanical_strain.emplace<KV>(KV::Zero());
    variable_array_prev.temperature = T_data.T_prev;
 
    auto&& solution = solid_material_.integrateStress(
        variable_array_prev, variable_array, x_t.t, x_t.x, x_t.dt, *null_state);
 
    if (!solution)
    {
        OGS_FATAL("Computation of elastic tangent stiffness failed.");
    }
 
    out.stiffness_tensor = std::move(std::get<2>(*solution));
}

References ProcessLib::ConstitutiveRelations::SpaceTimeData::dt, MaterialPropertyLib::VariableArray::mechanical_strain, OGS_FATAL, ProcessLib::TH2M::ConstitutiveRelations::ElasticTangentStiffnessData< DisplacementDim >::stiffness_tensor, MaterialPropertyLib::VariableArray::stress, ProcessLib::TH2M::ConstitutiveRelations::TemperatureData::T, ProcessLib::ConstitutiveRelations::SpaceTimeData::t, ProcessLib::TH2M::ConstitutiveRelations::TemperatureData::T_prev, MaterialPropertyLib::VariableArray::temperature, and ProcessLib::ConstitutiveRelations::SpaceTimeData::x.

Member Data Documentation

solid_material_

template<int DisplacementDim>

SolidConstitutiveRelation<DisplacementDim> const& ProcessLib::TH2M::ConstitutiveRelations::ElasticTangentStiffnessModel< DisplacementDim >::solid_material_

private

Definition at line 34 of file ElasticTangentStiffnessModel.h.

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The documentation for this struct was generated from the following files:

• ProcessLib/TH2M/ConstitutiveRelations/ElasticTangentStiffnessModel.h
• ProcessLib/TH2M/ConstitutiveRelations/ElasticTangentStiffnessModel.cpp