MFEM
v3.3
Finite element discretization library
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#include <pfem_extras.hpp>
Public Member Functions | |
IrrotationalProjector (ParFiniteElementSpace &H1FESpace, ParFiniteElementSpace &HCurlFESpace, const int &irOrder, ParBilinearForm *s0=NULL, ParMixedBilinearForm *weakDiv=NULL, ParDiscreteGradOperator *grad=NULL) | |
virtual | ~IrrotationalProjector () |
virtual void | Mult (const Vector &x, Vector &y) const |
Operator application: y=A(x) . More... | |
void | Update () |
Public Member Functions inherited from mfem::Operator | |
Operator (int s=0) | |
Construct a square Operator with given size s (default 0). More... | |
Operator (int h, int w) | |
Construct an Operator with the given height (output size) and width (input size). More... | |
int | Height () const |
Get the height (size of output) of the Operator. Synonym with NumRows(). More... | |
int | NumRows () const |
Get the number of rows (size of output) of the Operator. Synonym with Height(). More... | |
int | Width () const |
Get the width (size of input) of the Operator. Synonym with NumCols(). More... | |
int | NumCols () const |
Get the number of columns (size of input) of the Operator. Synonym with Width(). More... | |
virtual void | MultTranspose (const Vector &x, Vector &y) const |
Action of the transpose operator: y=A^t(x) . The default behavior in class Operator is to generate an error. More... | |
virtual Operator & | GetGradient (const Vector &x) const |
Evaluate the gradient operator at the point x. The default behavior in class Operator is to generate an error. More... | |
virtual const Operator * | GetProlongation () const |
Prolongation operator from linear algebra (linear system) vectors, to input vectors for the operator. NULL means identity. More... | |
virtual const Operator * | GetRestriction () const |
Restriction operator from input vectors for the operator to linear algebra (linear system) vectors. NULL means identity. More... | |
void | FormLinearSystem (const Array< int > &ess_tdof_list, Vector &x, Vector &b, Operator *&A, Vector &X, Vector &B, int copy_interior=0) |
Form a constrained linear system using a matrix-free approach. More... | |
virtual void | RecoverFEMSolution (const Vector &X, const Vector &b, Vector &x) |
Reconstruct a solution vector x (e.g. a GridFunction) from the solution X of a constrained linear system obtained from Operator::FormLinearSystem(). More... | |
void | PrintMatlab (std::ostream &out, int n=0, int m=0) const |
Prints operator with input size n and output size m in Matlab format. More... | |
virtual | ~Operator () |
Virtual destructor. More... | |
Additional Inherited Members | |
Public Types inherited from mfem::Operator | |
enum | Type { MFEM_SPARSEMAT, HYPRE_PARCSR, PETSC_MATAIJ, PETSC_MATIS, PETSC_MATSHELL, PETSC_MATNEST } |
Enumeration defining IDs for some classes derived from Operator. More... | |
Protected Attributes inherited from mfem::Operator | |
int | height |
Dimension of the output / number of rows in the matrix. More... | |
int | width |
Dimension of the input / number of columns in the matrix. More... | |
This class computes the irrotational portion of a vector field. This vector field must be discretized using Nedelec basis functions.
Definition at line 118 of file pfem_extras.hpp.
mfem::miniapps::IrrotationalProjector::IrrotationalProjector | ( | ParFiniteElementSpace & | H1FESpace, |
ParFiniteElementSpace & | HCurlFESpace, | ||
const int & | irOrder, | ||
ParBilinearForm * | s0 = NULL , |
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ParMixedBilinearForm * | weakDiv = NULL , |
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ParDiscreteGradOperator * | grad = NULL |
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) |
Definition at line 98 of file pfem_extras.cpp.
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virtual |
Definition at line 157 of file pfem_extras.cpp.
Operator application: y=A(x)
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Implements mfem::Operator.
Reimplemented in mfem::miniapps::DivergenceFreeProjector.
Definition at line 187 of file pfem_extras.cpp.
void mfem::miniapps::IrrotationalProjector::Update | ( | ) |
Definition at line 208 of file pfem_extras.cpp.