standard_poisson.cpp File Reference

#include <stdlib.h>
#include <MoFEM.hpp>

Go to the source code of this file.

Classes
struct	StandardPoisson
struct	StandardPoisson::CommonData
	[Source function] More...
struct	StandardPoisson::OpError

Typedefs
using	PostProcFaceEle
using	OpDomainGradGrad
using	OpDomainSource

Functions
double	sqr (double x)
int	main (int argc, char *argv[])

Variables
constexpr int	SPACE_DIM = 2
static char	help [] = "...\n\n"

Typedef Documentation

OpDomainGradGrad

using OpDomainGradGrad

Initial value:

 FormsIntegrators<DomainEleOp>::Assembly<
    PETSC>::BiLinearForm<GAUSS>::OpGradGrad<1, 1, SPACE_DIM>

Definition at line 16 of file standard_poisson.cpp.

OpDomainSource

using OpDomainSource

Initial value:

 FormsIntegrators<DomainEleOp>::Assembly<
    PETSC>::LinearForm<GAUSS>::OpSource<1, 1>

Definition at line 19 of file standard_poisson.cpp.

PostProcFaceEle

using PostProcFaceEle

Initial value:

 
    PostProcBrokenMeshInMoab<FaceElementForcesAndSourcesCore>

Definition at line 10 of file standard_poisson.cpp.

Function Documentation

main()

int main	(	int	argc,
		char *	argv[] )

Definition at line 326 of file standard_poisson.cpp.

                                 {
 
  // Initialisation of MoFEM/PETSc and MOAB data structures
  const char param_file[] = "param_file.petsc";
  MoFEM::Core::Initialize(&argc, &argv, param_file, help);
 
  // Add logging channel for example problem
  auto core_log = logging::core::get();
  core_log->add_sink(
      LogManager::createSink(LogManager::getStrmWorld(), "EXAMPLE"));
  LogManager::setLog("EXAMPLE");
  MOFEM_LOG_TAG("EXAMPLE", "StandardPoisson");
 
  // Error handling
  try {
    // Register MoFEM discrete manager in PETSc
    DMType dm_name = "DMMOFEM";
    CHKERR DMRegister_MoFEM(dm_name);
 
    // Create MOAB instance
    moab::Core mb_instance;              // mesh database
    moab::Interface &moab = mb_instance; // mesh database interface
 
    // Create MoFEM instance
    MoFEM::Core core(moab);           // finite element database
    MoFEM::Interface &m_field = core; // finite element interface
 
    // Run the main analysis
    StandardPoisson poisson_problem(m_field);
    CHKERR poisson_problem.runProgram();
  }
  CATCH_ERRORS;
 
  // Finish work: cleaning memory, getting statistics, etc.
  MoFEM::Core::Finalize();
 
  return 0;
}

sqr()

double sqr ( double x )

inline

Definition at line 7 of file standard_poisson.cpp.

{ return x * x; }

Variable Documentation

help

char help[] = "...\n\n"

static

Definition at line 22 of file standard_poisson.cpp.

SPACE_DIM

int SPACE_DIM = 2

constexpr

Definition at line 9 of file standard_poisson.cpp.