LaplaceExactGradient Class Reference

#include <laplace_exact_solution.h>

Public Member Functions
	LaplaceExactGradient ()
	~LaplaceExactGradient ()
RealGradient	operator() (unsigned int component, Real x, Real y, Real z=0.0)

Detailed Description

Definition at line 57 of file laplace_exact_solution.h.

Constructor & Destructor Documentation

LaplaceExactGradient()

LaplaceExactGradient::LaplaceExactGradient ( )

inline

Definition at line 60 of file laplace_exact_solution.h.

{}

~LaplaceExactGradient()

LaplaceExactGradient::~LaplaceExactGradient ( )

inline

Definition at line 62 of file laplace_exact_solution.h.

{}

Member Function Documentation

operator()()

RealGradient LaplaceExactGradient::operator() ( unsigned int  component, Real  x, Real  y, Real  z = 0.0  )

inline

Definition at line 64 of file laplace_exact_solution.h.

  {
    const Real hp = 0.5*pi;
 
    switch(component)
      {
      case 0:
        return RealGradient(-hp*sin(hp*x)*sin(hp*y)*cos(hp*z),
                            cos(hp*x)*(hp)*cos(hp*y)*cos(hp*z),
                            cos(hp*x)*sin(hp*y)*(-hp)*sin(hp*z));
 
      case 1:
        return RealGradient(hp*cos(hp*x)*cos(hp*y)*cos(hp*z),
                            sin(hp*x)*(-hp)*sin(hp*y)*cos(hp*z),
                            sin(hp*x)*cos(hp*y)*(-hp)*sin(hp*z));
 
      case 2:
        return RealGradient(hp*cos(hp*x)*cos(hp*y)*sin(hp*z),
                            sin(hp*x)*(-hp)*sin(hp*y)*sin(hp*z),
                            sin(hp*x)*cos(hp*y)*(hp)*cos(hp*z));
 
      default:
        libmesh_error_msg("Invalid component = " << component);
      }
  }

References libMesh::pi, and libMesh::Real.

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

• examples/vector_fe/vector_fe_ex2/laplace_exact_solution.h