MFEM
v3.2
Finite element discretization library
|
Parallel non-linear operator on the true dofs. More...
#include <pnonlinearform.hpp>
Public Member Functions | |
ParNonlinearForm (ParFiniteElementSpace *pf) | |
ParFiniteElementSpace * | ParFESpace () const |
virtual void | SetEssentialBC (const Array< int > &bdr_attr_is_ess, Vector *rhs=NULL) |
virtual double | GetEnergy (const ParGridFunction &x) const |
Compute the energy of a ParGridFunction. More... | |
virtual double | GetEnergy (const Vector &x) const |
Compute the energy of a true-dof vector 'x'. More... | |
virtual void | Mult (const Vector &x, Vector &y) const |
Operator application. More... | |
const SparseMatrix & | GetLocalGradient (const Vector &x) const |
Return the local gradient matrix for the given true-dof vector x. More... | |
virtual Operator & | GetGradient (const Vector &x) const |
Evaluate the gradient operator at the point x. More... | |
virtual | ~ParNonlinearForm () |
![]() | |
NonlinearForm (FiniteElementSpace *f) | |
void | AddDomainIntegrator (NonlinearFormIntegrator *nlfi) |
Adds new Domain Integrator. More... | |
void | SetEssentialVDofs (const Array< int > &ess_vdofs_list) |
virtual | ~NonlinearForm () |
![]() | |
Operator (int s=0) | |
Construct a square Operator with given size s (default 0) More... | |
Operator (int h, int w) | |
int | Height () const |
Get the height (size of output) of the Operator. Synonym with NumRows. More... | |
int | NumRows () const |
int | Width () const |
Get the width (size of input) of the Operator. Synonym with NumCols. More... | |
int | NumCols () const |
virtual void | MultTranspose (const Vector &x, Vector &y) const |
Action of the transpose operator. 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 () |
Protected Attributes | |
ParGridFunction | X |
ParGridFunction | Y |
HypreParMatrix * | pGrad |
![]() | |
FiniteElementSpace * | fes |
FE space on which the form lives. More... | |
Array< NonlinearFormIntegrator * > | dfi |
Set of Domain Integrators to be assembled (added). More... | |
SparseMatrix * | Grad |
Array< int > | ess_vdofs |
![]() | |
int | height |
int | width |
Parallel non-linear operator on the true dofs.
Definition at line 26 of file pnonlinearform.hpp.
|
inline |
Definition at line 33 of file pnonlinearform.hpp.
|
inlinevirtual |
Definition at line 57 of file pnonlinearform.hpp.
|
virtual |
Compute the energy of a ParGridFunction.
Definition at line 40 of file pnonlinearform.cpp.
|
virtual |
Compute the energy of a true-dof vector 'x'.
Reimplemented from mfem::NonlinearForm.
Definition at line 52 of file pnonlinearform.cpp.
Evaluate the gradient operator at the point x.
Reimplemented from mfem::NonlinearForm.
Definition at line 78 of file pnonlinearform.cpp.
const SparseMatrix & mfem::ParNonlinearForm::GetLocalGradient | ( | const Vector & | x | ) | const |
Return the local gradient matrix for the given true-dof vector x.
Definition at line 69 of file pnonlinearform.cpp.
Operator application.
Reimplemented from mfem::NonlinearForm.
Definition at line 58 of file pnonlinearform.cpp.
|
inline |
Definition at line 37 of file pnonlinearform.hpp.
|
virtual |
Reimplemented from mfem::NonlinearForm.
Definition at line 21 of file pnonlinearform.cpp.
|
mutableprotected |
Definition at line 30 of file pnonlinearform.hpp.
|
mutableprotected |
Definition at line 29 of file pnonlinearform.hpp.
|
mutableprotected |
Definition at line 29 of file pnonlinearform.hpp.