svispl.h

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

#ifndef SVISPL_H
#define SVISPL_H

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

/**
   structure of the array eqother:
   total stresses, viscoplastic (irreversible) strain increments,
   previous total strains,

*/
class svisplas
{
 public:
  svisplas (void);
  ~svisplas (void);
  void read (XFILE *in);
  double gfun (double f);
  double dergfun (double f);
  void nlstresses (long ipp,long ido);
  void matstiff (matrix &d,long ipp,long ido);
  
  void give_interparam (long ipp,long ido,vector &q);
  void store_interparam (long ipp,long ido,vector &q);
  
  //  viscosity
  double eta;
};

#endif