hello_world.cpp File Reference

#include <MoFEM.hpp>

Go to the source code of this file.

Classes
struct	OpRow
struct	OpRowCol
struct	OpVolume
struct	OpFace
struct	OpFaceSide
struct	OpVolumeSide

Macros
#define	HelloFunctionBegin

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

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

Macro Definition Documentation

HelloFunctionBegin

#define HelloFunctionBegin

Value:

  MoFEMFunctionBegin;                                                          \
  MOFEM_LOG_CHANNEL("SYNC");                                                   \
  MOFEM_LOG_FUNCTION();                                                        \
  MOFEM_LOG_TAG("WORLD", "HelloWorld");

Examples

hello_world.cpp.

Definition at line 16 of file hello_world.cpp.

Function Documentation

main()

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

[set operator to the volume element instance]

[set operator to the volume element instance]

[set operator to the face element instance]

[set operator to the face element instance]

[create skeleton side element and push operator to it]

[create skeleton side element and push operator to it]

[set operator to the face element on skeleton instance]

[set operator to the face element on skeleton instance]

[executing finite elements]

[executing finite elements]

Examples

hello_world.cpp.

Definition at line 130 of file hello_world.cpp.

                                 {
 
  // initialize petsc
  MoFEM::Core::Initialize(&argc, &argv, (char *)0, help);
 
  try {
 
    // Register DM Manager
    DMType dm_name = "DMMOFEM";
    CHKERR DMRegister_MoFEM(dm_name);
 
    // Create MoAB database
    moab::Core moab_core;
    moab::Interface &moab = moab_core;
 
    // Create MoFEM database and link it to MoAB
    MoFEM::Core mofem_core(moab);
    MoFEM::Interface &m_field = mofem_core;
 
    // Simple interface
    Simple *simple;
    CHKERR m_field.getInterface(simple);
 
    // get options from command line
    CHKERR simple->getOptions();
    // load mesh file
    CHKERR simple->loadFile();
    // add fields
    CHKERR simple->addDomainField("U", H1, AINSWORTH_LEGENDRE_BASE, 3);
    CHKERR simple->addBoundaryField("L", H1, AINSWORTH_LEGENDRE_BASE, 3);
    CHKERR simple->addSkeletonField("S", H1, AINSWORTH_LEGENDRE_BASE, 3);
    // set fields order
    CHKERR simple->setFieldOrder("U", 4);
    CHKERR simple->setFieldOrder("L", 3);
    CHKERR simple->setFieldOrder("S", 3);
 
    // setup problem
    CHKERR simple->setUp();
 
    auto pipeline_mng = m_field.getInterface<PipelineManager>();
 
    //! [set operator to the volume element instance]
    pipeline_mng->getOpDomainRhsPipeline().push_back(new OpRow("U"));
    pipeline_mng->getOpDomainRhsPipeline().push_back(new OpVolume("U"));
    pipeline_mng->getOpDomainLhsPipeline().push_back(
        new OpRowCol("U", "U", true));
    //! [set operator to the volume element instance]
 
    //! [set operator to the face element instance]
    pipeline_mng->getOpBoundaryRhsPipeline().push_back(new OpRow("L"));
    pipeline_mng->getOpBoundaryRhsPipeline().push_back(new OpFace("L"));
    pipeline_mng->getOpBoundaryLhsPipeline().push_back(
        new OpRowCol("U", "L", false));
    //! [set operator to the face element instance]
 
    //! [create skeleton side element and push operator to it]
    boost::shared_ptr<VolumeElementForcesAndSourcesCoreOnSide> side_fe(
        new VolumeElementForcesAndSourcesCoreOnSide(m_field));
    side_fe->getOpPtrVector().push_back(new OpVolumeSide("U"));
    //! [create skeleton side element and push operator to it]
 
    //! [set operator to the face element on skeleton instance]
    pipeline_mng->getOpSkeletonRhsPipeline().push_back(new OpRow("S"));
    pipeline_mng->getOpSkeletonRhsPipeline().push_back(
        new OpFaceSide("S", side_fe));
    //! [set operator to the face element on skeleton instance]
 
    //! [executing finite elements]
    CHKERR pipeline_mng->loopFiniteElements();
    //! [executing finite elements] 
 
    MOFEM_LOG_SYNCHRONISE(m_field.get_comm());
  }
  CATCH_ERRORS;
 
  // finish work cleaning memory, getting statistics, etc.
  MoFEM::Core::Finalize();
 
  return 0;
}

Variable Documentation

help

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

static

Examples

hello_world.cpp.

Definition at line 14 of file hello_world.cpp.