circular_boulder_melt.cc File Reference

#include <fenv.h>
#include "generic.h"
#include "unsteady_heat.h"
#include "solid.h"
#include "contact_elements.h"
#include "heat_transfer_and_melt_elements.h"
#include "meshes/triangle_mesh.h"

Classes
class	MeltContactProblem< ELEMENT >
	Problem class. More...

Namespaces
	ProblemParameters
	Namespace for exact solution and problem parameters.
	ExactSolution
	Namespace for exact solution.

Macros
#define	ADAPTIVE

Functions
void	ExactSolution::get_exact_u_for_unsteady_heat_validation (const double &t, const Vector< double > &x, Vector< double > &u)
	Exact solution as a Vector. More...
void	ExactSolution::get_exact_u_for_unsteady_heat_validation (const double &t, const Vector< double > &x, double &u)
	Exact solution as a scalar. More...
void	ExactSolution::get_source_for_unsteady_heat_validation (const double &t, const Vector< double > &x, double &source)
	Source function to make it an exact solution. More...
double	ExactSolution::melting_surface_height (const double &t, const double &x)
	Height of melting surface. More...
void	ExactSolution::analytical_outer_unit_normal (const double &t, const Vector< double > &x, double &nx, double &ny)
	Analytical outer unit normal. More...
void	ExactSolution::flux_into_bulk (const double &t, const Vector< double > &x, const Vector< double > &n, const double &u, double &flux)
void	ExactSolution::prescribed_flux_for_unsteady_heat_validation (const double &t, const Vector< double > &x, const Vector< double > &n, const double &u, double &flux)
int	main (int argc, char *argv[])
	Driver code. More...

Variables
double	ProblemParameters::Melt_temperature =0.0
	Melt-temperature. More...
ConstitutiveLaw *	ProblemParameters::Constitutive_law_pt =0
	Pointer to constitutive law. More...
double	ProblemParameters::Radius =0.2
	Radius of penetrator. More...
double	ProblemParameters::Y_c_initial =1.05
	Initial y position of centre of penetrator. More...
Vector< double >	ProblemParameters::Centre
	Position of centre of penetrator. More...
Penetrator *	ProblemParameters::Penetrator_pt =0
	Penetrator. More...
double	ExactSolution::U0 =0.0
	Constant/initial temperature. More...
double	ExactSolution::Growth_rate =1.0
	Growth rate for interface. More...
bool	ExactSolution::Use_analytical_outer_unit_normal =true
	Use analytical outer unit normal when computing fluxes? More...
double	ExactSolution::Omega_cos =0.0

Macro Definition Documentation

ADAPTIVE

#define ADAPTIVE

Function Documentation

main()

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

Driver code.

///////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////

{
 Global_unsigned::Number=0;
 
 // hierher
// FiniteElement::Accept_negative_jacobian=true;
// FiniteElement::Tolerance_for_singular_jacobian=0.0;
 
 // Store command line arguments
 CommandLineArgs::setup(argc,argv);
 
 // Define possible command line arguments and parse the ones that
 // were actually specified
 
 // Suppress adaptation
 CommandLineArgs::specify_command_line_flag("--no_adapt");
  
 // Parse command line
 CommandLineArgs::parse_and_assign(); 
 
 // Doc what has actually been specified on the command line
 CommandLineArgs::doc_specified_flags();
 
 // Create generalised Hookean constitutive equations
 ProblemParameters::Constitutive_law_pt = 
  new GeneralisedHookean(&ProblemParameters::Nu);
  
 
 // Define centre of penetrator
 ProblemParameters::Centre.resize(2);
 ProblemParameters::Centre[0]=0.5;
 ProblemParameters::Centre[1]=ProblemParameters::Y_c_initial; 
 
 // Create penetrator
 ProblemParameters::Penetrator_pt = 
  new CircularPenetrator(&ProblemParameters::Centre,
                         ProblemParameters::Radius);
 
#ifdef ADAPTIVE
  
 // Build problem
 MeltContactProblem<ProjectableUnsteadyHeatElement<
  PseudoSolidNodeUpdateElement<TUnsteadyHeatElement<2,3>,TPVDElement<2,3> > > >
                    problem;
                    
  //ProjectablePVDElement<TPVDElement<2,3> > > problem;
 
#else
 
 // Build problem
 MeltContactProblem<TPVDElement<2,3> > problem;
 
 
#endif
 
  //Output initial condition
 problem.doc_solution();
 
 unsigned max_adapt=1; 
 if (CommandLineArgs::command_line_flag_has_been_set("--no_adapt"))
  {
   max_adapt=0;
  }
 
 // // Set number of steps
 // unsigned nstep = 100; 
 // if (CommandLineArgs::command_line_flag_has_been_set("--validate"))
 //  {
 //   nstep=5;
 //  }
 
 
 
 // Number of parameter increments per period
 unsigned nstep_for_period=100;
 
 // Parameter variation
 unsigned nperiod=3;
 
 // Initial timestep
 double dt=1.0/double(nstep_for_period);
 
 // Initialise timestep -- also sets the weights for all timesteppers
 // in the problem.
 problem.initialise_dt(dt);
 
 // Set impulsive IC
 problem.assign_initial_values_impulsive(dt);
 
 while (problem.time_pt()->time()<double(nperiod))
  {
#ifdef ADAPTIVE
 
   // Dummy double adaptivity (timestep is always accepted because
   // tolerance is set to huge value; mainly used to automatically
   // re-solve with smaller timestep increment after non-convergence
   double epsilon_t=DBL_MAX;
   bool first=false;
   unsigned suppress_resolve_after_spatial_adapt_flag=0;
   double next_dt=
    problem.doubly_adaptive_unsteady_newton_solve(
     dt,
     epsilon_t,
     max_adapt,
     suppress_resolve_after_spatial_adapt_flag,
     first);
   dt = next_dt; 
   
#else
 
   // hierher 
   abort();
 
   // Solve
   problem.newton_solve();
   
#endif
   
   
   //Output solution
   problem.doc_solution();
 
  }
 
} // end of main

References ProblemParameters::Centre, oomph::CommandLineArgs::command_line_flag_has_been_set(), ProblemParameters::Constitutive_law_pt, oomph::CommandLineArgs::doc_specified_flags(), ProblemParameters::Nu, oomph::Global_unsigned::Number, oomph::CommandLineArgs::parse_and_assign(), ProblemParameters::Penetrator_pt, problem, ProblemParameters::Radius, Flag_definition::setup(), oomph::CommandLineArgs::specify_command_line_flag(), and ProblemParameters::Y_c_initial.