elastisomat.h

Finite element program for mechanical problem. It can solve various problem in solid problem

#ifndef ELASTISOMAT_H
#define ELASTISOMAT_H

#include "alias.h"
#include "iotools.h"
struct matrix;
struct vector;
struct atsel;

/**
   class elastisomat defines elastic isotropic material model
   materail parameters are:
   Young's modulus (modulus of elasticity)
   Poisson's ratio
   
   JK
*/

class elastisomat
{
 public:
  elastisomat (void);
  ~elastisomat (void);
  void read (XFILE *in);

  void matstiff (matrix &d,strastrestate ssst);
  void elmatstiff (matrix &d,strastrestate ssst);
  void matstiff_bar (matrix &d);
  void matstiff_plbeam (matrix &d);
  void matstiff_spacebeam (matrix &d);
  void matstiff_plstress (matrix &d);
  void matstiff_plstrain (matrix &d);
  void matstiff_axi (matrix &d);
  void matstiff_plate (matrix &d);
  void matstiff_spacestr (matrix &d);
  
  void matcompl (matrix &c,strastrestate ssst);
  void matcompl_bar (matrix &c);
  void matcompl_plbeam (matrix &c);
  void matcompl_plstress (matrix &c);
  void matcompl_plstrain (matrix &c);
  void matcompl_axi (matrix &c);
  void matcompl_spacestr (matrix &c);

  void nlstresses (long ipp);
  void changeparam (atsel &atm,vector &val);
  
  ///  Young's modulus
  double e;
  ///  Poisson's number
  double nu;
};

#endif