MFEM v4.7.0
Finite element discretization library
Loading...
Searching...
No Matches
mfem::PowerCoefficient Class Reference

Scalar coefficient defined as a scalar raised to a power. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::PowerCoefficient:
[legend]
Collaboration diagram for mfem::PowerCoefficient:
[legend]

Public Member Functions

 PowerCoefficient (Coefficient &A, real_t p_)
 Construct with a coefficient and a constant power p_. Result is A^p.
 
void SetTime (real_t t)
 Set the time for internally stored coefficients.
 
void SetACoef (Coefficient &A)
 Reset the base coefficient.
 
CoefficientGetACoef () const
 Return the base coefficient.
 
void SetExponent (real_t p_)
 Reset the exponent.
 
real_t GetExponent () const
 Return the exponent.
 
virtual real_t Eval (ElementTransformation &T, const IntegrationPoint &ip)
 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

Scalar coefficient defined as a scalar raised to a power.

Definition at line 1644 of file coefficient.hpp.

Constructor & Destructor Documentation

◆ PowerCoefficient()

mfem::PowerCoefficient::PowerCoefficient ( Coefficient & A,
real_t p_ )
inline

Construct with a coefficient and a constant power p_. Result is A^p.

Definition at line 1653 of file coefficient.hpp.

Member Function Documentation

◆ Eval()

virtual real_t mfem::PowerCoefficient::Eval ( ElementTransformation & T,
const IntegrationPoint & ip )
inlinevirtual

Evaluate the coefficient at ip.

Implements mfem::Coefficient.

Definition at line 1670 of file coefficient.hpp.

◆ GetACoef()

Coefficient * mfem::PowerCoefficient::GetACoef ( ) const
inline

Return the base coefficient.

Definition at line 1662 of file coefficient.hpp.

◆ GetExponent()

real_t mfem::PowerCoefficient::GetExponent ( ) const
inline

Return the exponent.

Definition at line 1667 of file coefficient.hpp.

◆ SetACoef()

void mfem::PowerCoefficient::SetACoef ( Coefficient & A)
inline

Reset the base coefficient.

Definition at line 1660 of file coefficient.hpp.

◆ SetExponent()

void mfem::PowerCoefficient::SetExponent ( real_t p_)
inline

Reset the exponent.

Definition at line 1665 of file coefficient.hpp.

◆ SetTime()

void mfem::PowerCoefficient::SetTime ( real_t t)
virtual

Set the time for internally stored coefficients.

Reimplemented from mfem::Coefficient.

Definition at line 969 of file coefficient.cpp.


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