vorticity_qoi.C File Reference

#include "grins_config.h"
#include <iostream>
#include "grins/runner.h"
#include "libmesh/exact_solution.h"

Include dependency graph for vorticity_qoi.C:

Go to the source code of this file.

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

Function Documentation

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

Definition at line 36 of file vorticity_qoi.C.

References GRINS::Simulation::get_qoi_value(), GRINS::Runner::get_simulation(), GRINS::Runner::init(), and GRINS::Runner::run().

{
  GRINS::Runner grins(argc,argv);
  grins.init();

  // Solve
  grins.run();

  GRINS::Simulation & sim = grins.get_simulation();

  libMesh::Number qoi = sim.get_qoi_value( 0 );

  int return_flag = 0;
  const libMesh::Number exact_value = -0.5;
  const libMesh::Number rel_error = std::fabs( (qoi - exact_value )/exact_value );
  const libMesh::Number tol = 1.0e-11;
  if( rel_error > tol )
    {
      std::cerr << "Computed voriticity QoI mismatch greater than tolerance." << std::endl
                << "Computed value = " << qoi << std::endl
                << "Exact value = " << exact_value << std::endl
                << "Relative error = " << rel_error << std::endl
                << "Tolerance = " << tol << std::endl;
      return_flag = 1;
    }

  return return_flag;
}