libMesh
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Public Member Functions | Private Attributes | List of all members
libMesh::WendlandRBF< SpaceDim, Continuity > Class Template Reference

Wendland's compactly supported Radial Basis Functions. More...

#include <radial_basis_functions.h>

Public Member Functions

 WendlandRBF (const Real r_cut=1.)
 Constructor.
 
Real operator() (Real) const
 Evaluate the radial basis function at the requested location.
 
Real operator() (Real rad) const
 
Real operator() (Real rad) const
 
Real operator() (Real rad) const
 
Real operator() (Real rad) const
 

Private Attributes

const Real _rcut
 

Detailed Description

template<unsigned int SpaceDim, unsigned int Continuity>
class libMesh::WendlandRBF< SpaceDim, Continuity >

Wendland's compactly supported Radial Basis Functions.

Author
Benjamin S. Kirk
Date
2013

Interface for evaluating Wendland's radial basis functions.

Definition at line 75 of file radial_basis_functions.h.

Constructor & Destructor Documentation

◆ WendlandRBF()

template<unsigned int SpaceDim, unsigned int Continuity>
libMesh::WendlandRBF< SpaceDim, Continuity >::WendlandRBF ( const Real  r_cut = 1.)
inline

Constructor.

Definition at line 85 of file radial_basis_functions.h.

85 :
86 _rcut (r_cut)
87 { libmesh_experimental(); }

Member Function Documentation

◆ operator()() [1/5]

Real libMesh::WendlandRBF< 3, 0 >::operator() ( Real  rad) const
inline

Definition at line 101 of file radial_basis_functions.h.

102{
103 if (rad > _rcut) return 0.;
104
105 rad /= _rcut;
106
107 return Utility::pow<2>(1.-rad);
108}

◆ operator()() [2/5]

Real libMesh::WendlandRBF< 3, 2 >::operator() ( Real  rad) const
inline

Definition at line 112 of file radial_basis_functions.h.

113{
114 if (rad > _rcut) return 0.;
115
116 rad /= _rcut;
117
118 return Utility::pow<4>(1.-rad)*(4.*rad + 1.);
119}

◆ operator()() [3/5]

Real libMesh::WendlandRBF< 3, 4 >::operator() ( Real  rad) const
inline

Definition at line 123 of file radial_basis_functions.h.

124{
125 if (rad > _rcut) return 0.;
126
127 rad /= _rcut;
128
129 return Utility::pow<6>(1.-rad)*((35.*rad + 18.)*rad + 3.);
130}

◆ operator()() [4/5]

Real libMesh::WendlandRBF< 3, 8 >::operator() ( Real  rad) const
inline

Definition at line 134 of file radial_basis_functions.h.

135{
136 if (rad > _rcut) return 0.;
137
138 rad /= _rcut;
139
140 return Utility::pow<8>(1.-rad)*(((32.*rad + 25.)*rad + 8.)*rad + 1.);
141}

◆ operator()() [5/5]

template<unsigned int SpaceDim, unsigned int Continuity>
Real libMesh::WendlandRBF< SpaceDim, Continuity >::operator() ( Real  ) const
inline

Evaluate the radial basis function at the requested location.

Definition at line 92 of file radial_basis_functions.h.

92{ libmesh_not_implemented(); return 0.; }

Member Data Documentation

◆ _rcut

template<unsigned int SpaceDim, unsigned int Continuity>
const Real libMesh::WendlandRBF< SpaceDim, Continuity >::_rcut
private

Definition at line 78 of file radial_basis_functions.h.


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