tensioned_string.cc File Reference

#include "generic.h"
#include "beam.h"
#include "meshes/one_d_lagrangian_mesh.h"

Classes
class	ElasticBeamProblem
	Beam problem object. More...

Namespaces
	Global_Physical_Variables
	Global variables.

Functions
void	Global_Physical_Variables::load (const Vector< double > &xi, const Vector< double > &x, const Vector< double > &N, Vector< double > &load)
	Load function: Apply a constant external pressure to the beam. More...
int	main ()
	Driver for beam (string under tension) test problem. More...

Variables
double	Global_Physical_Variables::Sigma0 =1.0e3
	2nd Piola Kirchhoff pre-stress More...

Function Documentation

main()

int main

(

)

Driver for beam (string under tension) test problem.

{
 
 // Set the non-dimensional thickness 
 Global_Physical_Variables::H=0.01; 
 
 // Set the 2nd Piola Kirchhoff prestress
 Global_Physical_Variables::Sigma0=0.1; 
 
 // Set the length of domain
 double L = 10.0;
 
 // Number of elements (choose an even number if you want the control point 
 // to be located at the centre of the beam)
 unsigned n_element = 10;
 
 // Construst the problem
 ElasticBeamProblem problem(n_element,L);
 
 // Check that we're ready to go:
 cout << "\n\n\nProblem self-test ";
 if (problem.self_test()==0) 
  {
   cout << "passed: Problem can be solved." << std::endl;
  }
 else 
  {
   throw OomphLibError("Self test failed",
                       OOMPH_CURRENT_FUNCTION,
                       OOMPH_EXCEPTION_LOCATION);
  }
 
 // Conduct parameter study
 problem.parameter_study();
 
} // end of main

References Global_Physical_Variables::H, L, OOMPH_CURRENT_FUNCTION, OOMPH_EXCEPTION_LOCATION, problem, and Global_Physical_Variables::Sigma0.