Hooke's law specialized for one-dimensional problems. More...

#include <hookes_law_1d.h>

Inheritance diagram for GRINS::HookesLaw1D:

Collaboration diagram for GRINS::HookesLaw1D:

Public Member Functions
	HookesLaw1D (const GetPot &input)

virtual	~HookesLaw1D ()

void	compute_stress (unsigned int dim, const libMesh::TensorValue< libMesh::Real > &g_contra, const libMesh::TensorValue< libMesh::Real > &g_cov, const libMesh::TensorValue< libMesh::Real > &G_contra, const libMesh::TensorValue< libMesh::Real > &G_cov, libMesh::TensorValue< libMesh::Real > &stress)

void	compute_stress_and_elasticity (unsigned int dim, const libMesh::TensorValue< libMesh::Real > &g_contra, const libMesh::TensorValue< libMesh::Real > &g_cov, const libMesh::TensorValue< libMesh::Real > &G_contra, const libMesh::TensorValue< libMesh::Real > &G_cov, libMesh::TensorValue< libMesh::Real > &stress, ElasticityTensor &C)

libMesh::Real	compute_33_stress (const libMesh::TensorValue< libMesh::Real > &g_contra, const libMesh::TensorValue< libMesh::Real > &g_cov, const libMesh::TensorValue< libMesh::Real > &G_contra, const libMesh::TensorValue< libMesh::Real > &G_cov)
	This is primarily a helper function for the plane stress cases. More...

virtual void	set_parameter (libMesh::Number &param_variable, const GetPot &input, const std::string &param_name, libMesh::Number param_default)
	Each subclass can simultaneously read a parameter value from. More...

virtual void	register_parameter (const std::string &param_name, libMesh::ParameterMultiPointer< libMesh::Number > &param_pointer) const
	Each subclass will register its copy of an independent. More...

Private Member Functions
	HookesLaw1D ()

void	read_input_options (const GetPot &input)
	Parse properties from input. More...

void	compute_stress_imp (unsigned int dim, const libMesh::TensorValue< libMesh::Real > &g_contra, const libMesh::TensorValue< libMesh::Real > &g_cov, const libMesh::TensorValue< libMesh::Real > &G_contra, const libMesh::TensorValue< libMesh::Real > &G_cov, libMesh::TensorValue< libMesh::Real > &stress)

void	compute_stress_and_elasticity_imp (unsigned int dim, const libMesh::TensorValue< libMesh::Real > &g_contra, const libMesh::TensorValue< libMesh::Real > &g_cov, const libMesh::TensorValue< libMesh::Real > &G_contra, const libMesh::TensorValue< libMesh::Real > &G_cov, libMesh::TensorValue< libMesh::Real > &stress, ElasticityTensor &C)

libMesh::Real	compute_33_stress_imp (const libMesh::TensorValue< libMesh::Real > &g_contra, const libMesh::TensorValue< libMesh::Real > &g_cov, const libMesh::TensorValue< libMesh::Real > &G_contra, const libMesh::TensorValue< libMesh::Real > &G_cov)

Private Attributes
libMesh::Real	_E
	Lam\'{e} constant. More...

libMesh::Real	_nu
	Lam\'{e} constant. More...

Friends
class	StressStrainLaw< HookesLaw1D >

Detailed Description

Hooke's law specialized for one-dimensional problems.

General form is not conducive to one-dimensional problems so this should be used in those cases.

Definition at line 43 of file hookes_law_1d.h.

Constructor & Destructor Documentation

GRINS::HookesLaw1D::HookesLaw1D ( const GetPot & input )

Definition at line 37 of file hookes_law_1d.C.

References read_input_options().

     : StressStrainLaw<HookesLaw1D>(),
     ParameterUser("HookesLaw1D"),
     _E(0.0),
     _nu(0.0)
   {
     this->read_input_options(input);
 
     return;
   }

GRINS::HookesLaw1D::~HookesLaw1D ( )

virtual

Definition at line 48 of file hookes_law_1d.C.

   {
     return;
   }

GRINS::HookesLaw1D::HookesLaw1D ( )

private

Member Function Documentation

libMesh::Real GRINS::StressStrainLaw< HookesLaw1D >::compute_33_stress	(	const libMesh::TensorValue< libMesh::Real > &	g_contra,
		const libMesh::TensorValue< libMesh::Real > &	g_cov,
		const libMesh::TensorValue< libMesh::Real > &	G_contra,
		const libMesh::TensorValue< libMesh::Real > &	G_cov
	)

inherited

This is primarily a helper function for the plane stress cases.

libMesh::Real GRINS::HookesLaw1D::compute_33_stress_imp	(	const libMesh::TensorValue< libMesh::Real > &	g_contra,
		const libMesh::TensorValue< libMesh::Real > &	g_cov,
		const libMesh::TensorValue< libMesh::Real > &	G_contra,
		const libMesh::TensorValue< libMesh::Real > &	G_cov
	)

private

Definition at line 119 of file hookes_law_1d.C.

   {
     libmesh_not_implemented();
 
     return 0.0;
   }

void GRINS::StressStrainLaw< HookesLaw1D >::compute_stress	(	unsigned int	dim,
		const libMesh::TensorValue< libMesh::Real > &	g_contra,
		const libMesh::TensorValue< libMesh::Real > &	g_cov,
		const libMesh::TensorValue< libMesh::Real > &	G_contra,
		const libMesh::TensorValue< libMesh::Real > &	G_cov,
		libMesh::TensorValue< libMesh::Real > &	stress
	)

inherited

void GRINS::StressStrainLaw< HookesLaw1D >::compute_stress_and_elasticity	(	unsigned int	dim,
		const libMesh::TensorValue< libMesh::Real > &	g_contra,
		const libMesh::TensorValue< libMesh::Real > &	g_cov,
		const libMesh::TensorValue< libMesh::Real > &	G_contra,
		const libMesh::TensorValue< libMesh::Real > &	G_cov,
		libMesh::TensorValue< libMesh::Real > &	stress,
		ElasticityTensor &	C
	)

inherited

void GRINS::HookesLaw1D::compute_stress_and_elasticity_imp	(	unsigned int	dim,
		const libMesh::TensorValue< libMesh::Real > &	g_contra,
		const libMesh::TensorValue< libMesh::Real > &	g_cov,
		const libMesh::TensorValue< libMesh::Real > &	G_contra,
		const libMesh::TensorValue< libMesh::Real > &	G_cov,
		libMesh::TensorValue< libMesh::Real > &	stress,
		ElasticityTensor &	C
	)

private

Definition at line 104 of file hookes_law_1d.C.

References _E, and compute_stress_imp().

   {
     this->compute_stress_imp(dim,g_contra,g_cov,G_contra,G_cov,stress);
 
     C(0,0,0,0) = this->_E*g_contra(0,0)*g_contra(0,0);
 
     return;
   }

void GRINS::HookesLaw1D::compute_stress_imp	(	unsigned int	dim,
		const libMesh::TensorValue< libMesh::Real > &	g_contra,
		const libMesh::TensorValue< libMesh::Real > &	g_cov,
		const libMesh::TensorValue< libMesh::Real > &	G_contra,
		const libMesh::TensorValue< libMesh::Real > &	G_cov,
		libMesh::TensorValue< libMesh::Real > &	stress
	)

private

Definition at line 88 of file hookes_law_1d.C.

References _E.

Referenced by compute_stress_and_elasticity_imp().

   {
     stress.zero();
 
     libMesh::Real strain = 0.5*(G_cov(0,0) - g_cov(0,0));
 
     stress(0,0) = (this->_E)*g_contra(0,0)*g_contra(0,0)*strain;
 
     return;
   }

void GRINS::HookesLaw1D::read_input_options ( const GetPot & input )

private

Parse properties from input.

Definition at line 53 of file hookes_law_1d.C.

References _E, _nu, and GRINS::ParameterUser::set_parameter().

Referenced by HookesLaw1D().

   {
     // We'd better have either Lam\'{e} constants or E and nu
     if( ( !input.have_variable("Physics/HookesLaw/lambda") ||
           !input.have_variable("Physics/HookesLaw/mu") ) &&
         ( !input.have_variable("Physics/HookesLaw/E") ||
           !input.have_variable("Physics/HookesLaw/nu") ) )
       {
         std::cerr << "Error: Must specify either Lame constants lambda and mu or" << std::endl
                   << "       Young's modulus and Poisson's ratio." << std::endl;
         libmesh_error();
       }
 
     if( input.have_variable("Physics/HookesLaw/lambda") &&
         input.have_variable("Physics/HookesLaw/mu") )
       {
         // FIXME - we'll need a special accessor to give parameter
         // access to these
         libMesh::Real lambda  = input("Physics/HookesLaw/lambda", 0.0);
         libMesh::Real mu = input("Physics/HookesLaw/mu", 0.0);
         _E  = mu*(3*lambda + 2*mu)/(lambda+mu);
         _nu = lambda/(2*(lambda+mu));
       }
     else
       {
         if( input.have_variable("Physics/HookesLaw/E") )
           this->set_parameter
             (_E, input, "Physics/HookesLaw/E", 0.0);
 
         if( input.have_variable("Physics/HookesLaw/nu") )
           this->set_parameter
             (_nu, input, "Physics/HookesLaw/nu", 0.0);
       }
   }

void GRINS::ParameterUser::register_parameter	(	const std::string &	param_name,
		libMesh::ParameterMultiPointer< libMesh::Number > &	param_pointer
	)		const

virtualinherited

Each subclass will register its copy of an independent.

Reimplemented in GRINS::AxisymmetricHeatTransfer< Conductivity >, GRINS::LowMachNavierStokesBase< Viscosity, SpecificHeat, ThermalConductivity >, GRINS::IncompressibleNavierStokesBase< Viscosity >, GRINS::BoussinesqBuoyancySPGSMStabilization< Viscosity >, GRINS::HeatConduction< Conductivity >, GRINS::HeatTransferBase< Conductivity >, and GRINS::BoussinesqBuoyancyAdjointStabilization< Viscosity >.

Definition at line 50 of file parameter_user.C.

Referenced by GRINS::BoussinesqBuoyancyAdjointStabilization< Viscosity >::register_parameter(), GRINS::HeatTransferBase< Conductivity >::register_parameter(), GRINS::HeatConduction< Conductivity >::register_parameter(), GRINS::BoussinesqBuoyancySPGSMStabilization< Viscosity >::register_parameter(), GRINS::IncompressibleNavierStokesBase< Viscosity >::register_parameter(), GRINS::LowMachNavierStokesBase< Viscosity, SpecificHeat, ThermalConductivity >::register_parameter(), and GRINS::AxisymmetricHeatTransfer< Conductivity >::register_parameter().

   {
     std::map<std::string, libMesh::Number*>::const_iterator it =
       _my_parameters.find(param_name);
 
     if (it != _my_parameters.end())
       {
         std::cout << _my_name << " uses parameter " << param_name
                   << std::endl;
         param_pointer.push_back(it->second);
       }
   }

void GRINS::ParameterUser::set_parameter	(	libMesh::Number &	param_variable,
		const GetPot &	input,
		const std::string &	param_name,
		libMesh::Number	param_default
	)

virtualinherited

Each subclass can simultaneously read a parameter value from.

Definition at line 35 of file parameter_user.C.

References GRINS::ParameterUser::_my_name, and GRINS::ParameterUser::_my_parameters.

Referenced by GRINS::AveragedFanAdjointStabilization< Viscosity >::AveragedFanAdjointStabilization(), GRINS::AveragedTurbineAdjointStabilization< Viscosity >::AveragedTurbineAdjointStabilization(), GRINS::BoussinesqBuoyancyAdjointStabilization< Viscosity >::BoussinesqBuoyancyAdjointStabilization(), GRINS::BoussinesqBuoyancyBase::BoussinesqBuoyancyBase(), GRINS::BoussinesqBuoyancySPGSMStabilization< Viscosity >::BoussinesqBuoyancySPGSMStabilization(), GRINS::ConstantConductivity::ConstantConductivity(), GRINS::ConstantPrandtlConductivity::ConstantPrandtlConductivity(), GRINS::ConstantSourceFunction::ConstantSourceFunction(), GRINS::ConstantSourceTerm::ConstantSourceTerm(), GRINS::ConstantSpecificHeat::ConstantSpecificHeat(), GRINS::ConstantViscosity::ConstantViscosity(), GRINS::ElasticCable< StressStrainLaw >::ElasticCable(), GRINS::ElasticCableConstantGravity::ElasticCableConstantGravity(), GRINS::ElasticMembrane< StressStrainLaw >::ElasticMembrane(), GRINS::ElasticMembraneConstantPressure::ElasticMembraneConstantPressure(), GRINS::HeatConduction< Conductivity >::HeatConduction(), GRINS::HeatTransferBase< Conductivity >::HeatTransferBase(), GRINS::IncompressibleNavierStokesBase< Viscosity >::IncompressibleNavierStokesBase(), GRINS::AverageNusseltNumber::init(), GRINS::MooneyRivlin::MooneyRivlin(), GRINS::ReactingLowMachNavierStokesBase< Mixture, Evaluator >::ReactingLowMachNavierStokesBase(), read_input_options(), GRINS::HookesLaw::read_input_options(), GRINS::AxisymmetricBoussinesqBuoyancy::read_input_options(), and GRINS::VelocityDragAdjointStabilization< Viscosity >::VelocityDragAdjointStabilization().

   {
     param_variable = input(param_name, param_default);
 
     libmesh_assert_msg(!_my_parameters.count(param_name),
       "ERROR: " << _my_name << " double-registered parameter " <<
       param_name);
 
     _my_parameters[param_name] = &param_variable;
   }

Friends And Related Function Documentation

friend class StressStrainLaw< HookesLaw1D >

friend

Definition at line 52 of file hookes_law_1d.h.

Member Data Documentation

libMesh::Real GRINS::HookesLaw1D::_E

private

Lam\'{e} constant.

Definition at line 82 of file hookes_law_1d.h.

Referenced by compute_stress_and_elasticity_imp(), compute_stress_imp(), and read_input_options().

libMesh::Real GRINS::HookesLaw1D::_nu

private

Lam\'{e} constant.

Definition at line 85 of file hookes_law_1d.h.

Referenced by read_input_options().

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

src/properties/include/grins/hookes_law_1d.h
src/properties/src/hookes_law_1d.C

Public Member Functions

Private Member Functions

Private Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation