v0.14.0
Classes | Functions | Variables
nonlinear_poisson_2d.cpp File Reference
#include <stdlib.h>
#include <BasicFiniteElements.hpp>
#include <nonlinear_poisson_2d.hpp>

Go to the source code of this file.

Classes

struct  NonlinearPoisson
 

Functions

int main (int argc, char *argv[])
 

Variables

static char help [] = "...\n\n"
 

Function Documentation

◆ main()

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

Definition at line 389 of file nonlinear_poisson_2d.cpp.

389  {
390 
391  // Initialisation of MoFEM/PETSc and MOAB data structures
392  const char param_file[] = "param_file.petsc";
393  MoFEM::Core::Initialize(&argc, &argv, param_file, help);
394 
395  // Error handling
396  try {
397  // Register MoFEM discrete manager in PETSc
398  DMType dm_name = "DMMOFEM";
399  CHKERR DMRegister_MoFEM(dm_name);
400 
401  // Create MOAB instance
402  moab::Core mb_instance; // mesh database
403  moab::Interface &moab = mb_instance; // mesh database interface
404 
405  // Create MoFEM instance
406  MoFEM::Core core(moab); // finite element database
407  MoFEM::Interface &m_field = core; // finite element interface
408 
409  // Run the main analysis
410  NonlinearPoisson poisson_problem(m_field);
411  CHKERR poisson_problem.runProgram();
412  }
413  CATCH_ERRORS;
414 
415  // Finish work: cleaning memory, getting statistics, etc.
417 
418  return 0;
419 }

Variable Documentation

◆ help

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

Definition at line 8 of file nonlinear_poisson_2d.cpp.

MoFEM::CoreTmp< 0 >
Core (interface) class.
Definition: Core.hpp:82
NonlinearPoisson
Definition: nonlinear_poisson_2d.cpp:10
MoFEM::CoreTmp< 0 >::Finalize
static MoFEMErrorCode Finalize()
Checks for options to be called at the conclusion of the program.
Definition: Core.cpp:112
MoFEM::DeprecatedCoreInterface
Deprecated interface functions.
Definition: DeprecatedCoreInterface.hpp:16
MoFEM::Interface
DeprecatedCoreInterface Interface
Definition: Interface.hpp:1975
CHKERR
#define CHKERR
Inline error check.
Definition: definitions.h:535
MoFEM::DMRegister_MoFEM
PetscErrorCode DMRegister_MoFEM(const char sname[])
Register MoFEM problem.
Definition: DMMoFEM.cpp:47
help
static char help[]
Definition: nonlinear_poisson_2d.cpp:8
MoFEM::CoreTmp< 0 >::Initialize
static MoFEMErrorCode Initialize(int *argc, char ***args, const char file[], const char help[])
Initializes the MoFEM database PETSc, MOAB and MPI.
Definition: Core.cpp:72
CATCH_ERRORS
#define CATCH_ERRORS
Catch errors.
Definition: definitions.h:372
MoFEM::Core
CoreTmp< 0 > Core
Definition: Core.hpp:1094