macro_element_free_boundary_poisson.cc File Reference

#include "generic.h"
#include "poisson.h"
#include "meshes/fish_mesh.h"
#include "circle_as_generalised_element.h"

Classes
class	MyMacroElementNodeUpdateRefineableFishMesh< ELEMENT >
	Refineable, fish-shaped mesh with MacroElement-based node update. More...
class	FreeBoundaryPoissonProblem< ELEMENT >

Namespaces
	ConstSourceForPoisson
	Namespace for const source term in Poisson equation.

Functions
void	ConstSourceForPoisson::get_source (const Vector< double > &x, double &source)
	Const source function. More...
int	main ()
	Driver for "free-boundary" fish poisson solver with adaptation. More...

Function Documentation

main()

int main

(

)

Driver for "free-boundary" fish poisson solver with adaptation.

{
 
 // Shorthand for element type
 typedef MacroElementNodeUpdateElement<RefineableQPoissonElement<2,3> > 
  ELEMENT;
 
 // Build problem
 FreeBoundaryPoissonProblem<ELEMENT> problem;
 
 // Do some uniform mesh refinement first
 problem.refine_uniformly();
 problem.refine_uniformly();
 
 // Solve/doc fully coupled problem, allowing for up to two spatial
 // adaptations. 
 unsigned max_solve=2; 
 problem.newton_solve(max_solve);
 problem.doc_solution();
 
} // end of main

References problem.