mfem::TransformedCoefficient Class Reference

A coefficient that depends on 1 or 2 parent coefficients and a transformation rule represented by a C-function. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::TransformedCoefficient:

Collaboration diagram for mfem::TransformedCoefficient:

Public Member Functions
	TransformedCoefficient (Coefficient *q, std::function< real_t(real_t)> F)
	TransformedCoefficient (Coefficient *q1, Coefficient *q2, std::function< real_t(real_t, real_t)> F)
void	SetTime (real_t t) override
	Set the time for internally stored coefficients.
real_t	Eval (ElementTransformation &T, const IntegrationPoint &ip) override
	Evaluate the coefficient at ip.
Public Member Functions inherited from mfem::Coefficient
	Coefficient ()
real_t	GetTime ()
	Get the time for time dependent coefficients.
real_t	Eval (ElementTransformation &T, const IntegrationPoint &ip, real_t t)
	Evaluate the coefficient in the element described by T at the point ip at time t.
virtual void	Project (QuadratureFunction &qf)
	Fill the QuadratureFunction qf by evaluating the coefficient at the quadrature points.
virtual	~Coefficient ()

Additional Inherited Members
Protected Attributes inherited from mfem::Coefficient
real_t	time

Detailed Description

A coefficient that depends on 1 or 2 parent coefficients and a transformation rule represented by a C-function.

\( C(x,t) = T(Q1(x,t)) \) or \( C(x,t) = T(Q1(x,t), Q2(x,t)) \)

where T is the transformation rule, and Q1/Q2 are the parent coefficients.

Definition at line 420 of file coefficient.hpp.

Constructor & Destructor Documentation

TransformedCoefficient() [1/2]

mfem::TransformedCoefficient::TransformedCoefficient ( Coefficient * q, std::function< real_t(real_t)> F )

inline

Definition at line 429 of file coefficient.hpp.

TransformedCoefficient() [2/2]

mfem::TransformedCoefficient::TransformedCoefficient ( Coefficient * q1, Coefficient * q2, std::function< real_t(real_t, real_t)> F )

inline

Definition at line 431 of file coefficient.hpp.

Member Function Documentation

Eval()

real_t mfem::TransformedCoefficient::Eval ( ElementTransformation & T, const IntegrationPoint & ip )

overridevirtual

Evaluate the coefficient at ip.

Implements mfem::Coefficient.

Definition at line 218 of file coefficient.cpp.

SetTime()

void mfem::TransformedCoefficient::SetTime ( real_t t )

overridevirtual

Set the time for internally stored coefficients.

Reimplemented from mfem::Coefficient.

Definition at line 211 of file coefficient.cpp.

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

• fem/coefficient.hpp
• fem/coefficient.cpp