26 #include "grins_config.h"
37 #include "libmesh/exact_solution.h"
40 #ifdef GRINS_HAVE_GRVY
46 const libMesh::Parameters&,
52 const libMesh::Parameters&,
66 std::multimap< GRINS::PhysicsName, GRINS::DBCContainer >
build_dirichlet( );
69 int main(
int argc,
char* argv[])
71 #ifdef GRINS_USE_GRVY_TIMERS
72 GRVY::GRVY_Timer_Class grvy_timer;
73 grvy_timer.Init(
"GRINS Timer");
80 std::cerr <<
"Error: Must specify libMesh input file." << std::endl;
85 std::string libMesh_input_filename = argv[1];
88 GetPot libMesh_inputfile( libMesh_input_filename );
90 #ifdef GRINS_USE_GRVY_TIMERS
91 grvy_timer.BeginTimer(
"Initialize Solver");
95 libMesh::LibMeshInit libmesh_init(argc, argv);
105 libmesh_init.comm() );
107 #ifdef GRINS_USE_GRVY_TIMERS
108 grvy_timer.EndTimer(
"Initialize Solver");
111 grins.attach_grvy_timer( &grvy_timer );
122 libMesh::ExactSolution exact_sol(*es);
128 exact_sol.compute_error(
"GRINS",
"z_vel");
130 double l2error = exact_sol.l2_error(
"GRINS",
"z_vel");
131 double h1error = exact_sol.h1_error(
"GRINS",
"z_vel");
137 if( l2error > tol || h1error > tol )
141 std::cout <<
"Tolerance exceeded for velocity in Poiseuille test." << std::endl
142 <<
"l2 error = " << l2error << std::endl
143 <<
"h1 error = " << h1error << std::endl;
173 std::tr1::shared_ptr<libMesh::FunctionBase<libMesh::Number> >
178 std::multimap< GRINS::PhysicsName, GRINS::DBCContainer > mymap;
187 const libMesh::Parameters&,
189 const std::string& var )
191 const double r = p(0);
193 const double r0 = 1.0;
194 const double mu = 1.0;
195 const double dpdx = -1.0;
197 libMesh::Number f = 0;
199 if( var ==
"z_vel" ) f = -dpdx*100.0/(4.0*mu)*(r0*r0 - r*r);
200 else libmesh_assert(
false);
207 const libMesh::Parameters&,
209 const std::string& var)
211 const double r = p(0);
const PhysicsName incompressible_navier_stokes
Object for constructing boundary condition function objects.
std::multimap< GRINS::PhysicsName, GRINS::DBCContainer > build_dirichlet()
Builds all required libMesh::DirichletBoundary objects and adds them to DofMap.
Simple helper class to setup general Dirichlet boundary conditions.
BoundaryConditionsFactory()
void add_var_name(const GRINS::VariableName &var)
Add variables that are constrained by the Dirichlet bc.
libMesh::Gradient exact_derivative(const libMesh::Point &p, const libMesh::Parameters &, const std::string &, const std::string &)
int main(int argc, char *argv[])
std::tr1::shared_ptr< libMesh::EquationSystems > get_equation_system()
libMesh::Number exact_solution(const libMesh::Point &p, const libMesh::Parameters &, const std::string &, const std::string &)
void add_bc_id(const GRINS::BoundaryID bc_id)
Add boundary id's for which this Dirichlet bc is to be applied.
void set_func(std::tr1::shared_ptr< libMesh::FunctionBase< libMesh::Number > > func)
Add the Dirichlet bc functor.
void attach_bc_factory(std::tr1::shared_ptr< BoundaryConditionsFactory > bc_factory)