MFEM  v4.0
Finite element discretization library
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mfem::Coefficient Class Referenceabstract

Base class Coefficient that may optionally depend on time. More...

#include <coefficient.hpp>

Inherited by ElasticEnergyCoefficient, ElasticEnergyCoefficient, ElasticEnergyCoefficient, ElasticEnergyCoefficient, ElasticEnergyCoefficient, mfem::ConstantCoefficient, mfem::DeltaCoefficient, mfem::DeterminantCoefficient, mfem::DivergenceGridFunctionCoefficient, mfem::electromagnetics::JouleHeatingCoefficient, mfem::electromagnetics::MeshDependentCoefficient, mfem::ExtrudeCoefficient, mfem::FunctionCoefficient, mfem::GridFunctionCoefficient, mfem::InnerProductCoefficient, mfem::PowerCoefficient, mfem::ProductCoefficient, mfem::PWConstCoefficient, mfem::RestrictedCoefficient, mfem::SumCoefficient, mfem::TransformedCoefficient, mfem::VectorRotProductCoefficient, StressCoefficient, and StressCoefficient.

Public Member Functions

 Coefficient ()
 
void SetTime (double t)
 
double GetTime ()
 
virtual double Eval (ElementTransformation &T, const IntegrationPoint &ip)=0
 Evaluate the coefficient in the element described by T at the point ip. More...
 
double Eval (ElementTransformation &T, const IntegrationPoint &ip, double t)
 Evaluate the coefficient in the element described by T at the point ip at time t. More...
 
virtual ~Coefficient ()
 

Protected Attributes

double time
 

Detailed Description

Base class Coefficient that may optionally depend on time.

Definition at line 31 of file coefficient.hpp.

Constructor & Destructor Documentation

mfem::Coefficient::Coefficient ( )
inline

Definition at line 37 of file coefficient.hpp.

virtual mfem::Coefficient::~Coefficient ( )
inlinevirtual

Definition at line 62 of file coefficient.hpp.

Member Function Documentation

virtual double mfem::Coefficient::Eval ( ElementTransformation T,
const IntegrationPoint ip 
)
pure virtual
double mfem::Coefficient::Eval ( ElementTransformation T,
const IntegrationPoint ip,
double  t 
)
inline

Evaluate the coefficient in the element described by T at the point ip at time t.

Note
When this method is called, the caller must make sure that the IntegrationPoint associated with T is the same as ip. This can be achieved by calling T.SetIntPoint(&ip).

Definition at line 55 of file coefficient.hpp.

double mfem::Coefficient::GetTime ( )
inline

Definition at line 40 of file coefficient.hpp.

void mfem::Coefficient::SetTime ( double  t)
inline

Definition at line 39 of file coefficient.hpp.

Member Data Documentation

double mfem::Coefficient::time
protected

Definition at line 34 of file coefficient.hpp.


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