navier_stokes/circular_driven_cavity/circular_driven_cavity.cc File Reference

#include "generic.h"
#include "navier_stokes.h"
#include "meshes/quarter_circle_sector_mesh.h"

Classes
class	QuarterCircleDrivenCavityProblem< ELEMENT >

Namespaces
	Global_Physical_Variables
	Global variables.

Functions
Vector< double >	Global_Physical_Variables::Gravity (2)
	Gravity vector. More...
void	Global_Physical_Variables::body_force (const double &time, const Vector< double > &x, Vector< double > &result)
	Functional body force. More...
void	Global_Physical_Variables::zero_body_force (const double &time, const Vector< double > &x, Vector< double > &result)
	Zero functional body force. More...
int	main ()
	Driver for QuarterCircleDrivenCavityProblem test problem. More...

Function Documentation

main()

int main

(

)

Driver for QuarterCircleDrivenCavityProblem test problem.

{
 
 // Set output directory and initialise count
 DocInfo doc_info;
 doc_info.set_directory("RESLT");
 
 // Set max. number of black-box adaptation
 unsigned max_adapt=3;
 
 // Solve problem 1 with Taylor-Hood elements
 //--------------------------------------------
 {
  // Set up downwards-Gravity vector
  Global_Physical_Variables::Gravity[0] = 0.0;
  Global_Physical_Variables::Gravity[1] = -1.0;
  
  // Set up Gamma vector for stress-divergence form
  NavierStokesEquations<2>::Gamma[0]=1;
  NavierStokesEquations<2>::Gamma[1]=1;
 
  // Build problem with Gravity vector in stress divergence form, 
  // using zero body force function
  QuarterCircleDrivenCavityProblem<RefineableQTaylorHoodElement<2> > 
   problem(&Global_Physical_Variables::zero_body_force);
 
  // Solve the problem with automatic adaptation
  problem.newton_solve(max_adapt);
  
  // Step number
  doc_info.number()=0;
 
  // Output solution
  problem.doc_solution(doc_info);  
 
 } // end of problem 1
 
 
 
 // Solve problem 2 with Taylor Hood elements
 //--------------------------------------------
 {
  // Set up zero-Gravity vector
  Global_Physical_Variables::Gravity[0] = 0.0;
  Global_Physical_Variables::Gravity[1] = 0.0;
 
  // Set up Gamma vector for simplified form
  NavierStokesEquations<2>::Gamma[0]=0;
  NavierStokesEquations<2>::Gamma[1]=0;
 
  // Build problem with body force function and simplified form,
  // using body force function
  QuarterCircleDrivenCavityProblem<RefineableQTaylorHoodElement<2> >
   problem(&Global_Physical_Variables::body_force);
 
  // Solve the problem with automatic adaptation
  problem.newton_solve(max_adapt);
  
  // Step number
  doc_info.number()=1;
 
  // Output solution
  problem.doc_solution(doc_info);
 
 } // end of problem 2
 
} // end_of_main

References Global_Physical_Variables::body_force(), Global_Physical_Variables::Gravity, oomph::DocInfo::number(), problem, oomph::DocInfo::set_directory(), and Global_Physical_Variables::zero_body_force().