OGS
MaterialLib::Solids::Creep Namespace Reference

Classes

class  CreepBGRa
 A class for computing the BGRa creep model, which reads. More...

Functions

template<int DisplacementDim>
std::unique_ptr< MaterialLib::Solids::MechanicsBase< DisplacementDim > > createCreepBGRa (std::vector< std::unique_ptr< ParameterLib::ParameterBase > > const &parameters, BaseLib::ConfigTree const &config)
template std::unique_ptr< MaterialLib::Solids::MechanicsBase< 2 > > createCreepBGRa< 2 > (std::vector< std::unique_ptr< ParameterLib::ParameterBase > > const &parameters, BaseLib::ConfigTree const &config)
template std::unique_ptr< MaterialLib::Solids::MechanicsBase< 3 > > createCreepBGRa< 3 > (std::vector< std::unique_ptr< ParameterLib::ParameterBase > > const &parameters, BaseLib::ConfigTree const &config)
double getCreepConstantCoefficient (const double A, const double n, const double sigma0)

Function Documentation

◆ createCreepBGRa()

template<int DisplacementDim>
std::unique_ptr< MaterialLib::Solids::MechanicsBase< DisplacementDim > > MaterialLib::Solids::Creep::createCreepBGRa ( std::vector< std::unique_ptr< ParameterLib::ParameterBase > > const & parameters,
BaseLib::ConfigTree const & config )
Input File Parameter
material__solid__constitutive_relation__type
Input File Parameter
material__solid__constitutive_relation__CreepBGRa__youngs_modulus
Input File Parameter
Input File Parameter
material__solid__constitutive_relation__CreepBGRa__poissons_ratio
Input File Parameter
material__solid__constitutive_relation__CreepBGRa__a
Input File Parameter
material__solid__constitutive_relation__CreepBGRa__n
Input File Parameter
material__solid__constitutive_relation__CreepBGRa__sigma0
Input File Parameter
material__solid__constitutive_relation__CreepBGRa__q
Input File Parameter
material__solid__constitutive_relation__CreepBGRa__nonlinear_solver

Definition at line 22 of file CreateCreepBGRa.cpp.

25{
27 config.checkConfigParameter("type", "CreepBGRa");
28 DBUG("Create CreepBGRa material");
29
30 // Read elastic data first.
31 const bool skip_type_checking = true;
34 auto elastic_data =
35 MaterialLib::Solids::createLinearElasticIsotropic<DisplacementDim>(
36 parameters, config, skip_type_checking);
37
38 auto& A = ParameterLib::findParameter<double>(
40 config, "a", parameters, 1);
41
42 auto& n = ParameterLib::findParameter<double>(
44 config, "n", parameters, 1);
45
46 auto& sigma0 = ParameterLib::findParameter<double>(
48 config, "sigma0", parameters, 1);
49
50 auto& Q = ParameterLib::findParameter<double>(
52 config, "q", parameters, 1);
53
54 auto const& nonlinear_solver_config =
56 config.getConfigSubtree("nonlinear_solver");
57 auto const nonlinear_solver_parameters =
58 NumLib::createNewtonRaphsonSolverParameters(nonlinear_solver_config);
59
60 return std::unique_ptr<CreepBGRa<DisplacementDim>>{
61 new CreepBGRa<DisplacementDim>{elastic_data->getMaterialProperties(),
62 nonlinear_solver_parameters, A, n,
63 sigma0, Q}};
64}
DBUG
void DBUG(fmt::format_string< Args... > fmt, Args &&... args)
Definition Logging.h:22
MaterialLib::Solids::Creep::CreepBGRa
A class for computing the BGRa creep model, which reads.
Definition CreepBGRa.h:32
MaterialLib::Solids::createLinearElasticIsotropic
std::unique_ptr< LinearElasticIsotropic< DisplacementDim > > createLinearElasticIsotropic(std::vector< std::unique_ptr< ParameterLib::ParameterBase > > const &parameters, BaseLib::ConfigTree const &config, const bool skip_type_checking)
Definition SolidModels/CreateLinearElasticIsotropic.h:16
NumLib::createNewtonRaphsonSolverParameters
NewtonRaphsonSolverParameters createNewtonRaphsonSolverParameters(BaseLib::ConfigTree const &config)
Definition CreateNewtonRaphsonSolverParameters.cpp:11
ParameterLib::findParameter
OGS_NO_DANGLING Parameter< ParameterDataType > & findParameter(std::string const &parameter_name, std::vector< std::unique_ptr< ParameterBase > > const &parameters, int const num_components, MeshLib::Mesh const *const mesh=nullptr)
Definition ParameterLib/Utils.h:95

References BaseLib::ConfigTree::checkConfigParameter(), MaterialLib::Solids::createLinearElasticIsotropic(), NumLib::createNewtonRaphsonSolverParameters(), DBUG(), ParameterLib::findParameter(), and BaseLib::ConfigTree::getConfigSubtree().

Referenced by MaterialLib::Solids::createConstitutiveRelation().

◆ createCreepBGRa< 2 >()

template std::unique_ptr< MaterialLib::Solids::MechanicsBase< 2 > > MaterialLib::Solids::Creep::createCreepBGRa< 2 > ( std::vector< std::unique_ptr< ParameterLib::ParameterBase > > const & parameters,
BaseLib::ConfigTree const & config )

◆ createCreepBGRa< 3 >()

template std::unique_ptr< MaterialLib::Solids::MechanicsBase< 3 > > MaterialLib::Solids::Creep::createCreepBGRa< 3 > ( std::vector< std::unique_ptr< ParameterLib::ParameterBase > > const & parameters,
BaseLib::ConfigTree const & config )

◆ getCreepConstantCoefficient()

double MaterialLib::Solids::Creep::getCreepConstantCoefficient ( const double A,
const double n,
const double sigma0 )

Definition at line 20 of file CreepBGRa.cpp.

22{
23 return A * std::pow(1.5, 0.5 * (1 + n)) / std::pow(sigma0, n);
24}

Referenced by MaterialLib::Solids::Creep::CreepBGRa< DisplacementDim >::getTemperatureRelatedCoefficient(), and MaterialLib::Solids::Creep::CreepBGRa< DisplacementDim >::integrateStress().