element.h

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

#ifndef ELEMENT_H
#define ELEMENT_H

#include <stdio.h>
#include "alias.h"
#include "iotools.h"

/**
   class element defines general finite element
   
   JK
*/

class element
{
 public:
  element (void);
  ~element (void);
  void read (XFILE *in,long eid);
  void readmat (XFILE *in);

  void alloc_initdispl (long ndofe);
  void initdisplacement (double *r,long ndofe);
  void subtrinitdispl (double *r,long ndofe);
  void alloc_growstr (long eid);
 
  ///  type of element
  elemtype te;
  ///  indicator of prescribed displacements on element
  long prescdispl;
  ///  indicator of temperature changes on element
  long presctemp;
  ///  computation of reactions
  long react;
  ///  number of blocks
  long nb;
  ///  array of integration point pointers
  long **ipp;
  ///  array of numbers of integration points
  long **nip;
  ///  array of integration orders for stiffness matrix
  long **intordsm;
  ///  type of cross section
  crsectype crst;  
  ///  number of appropriate cross section type
  long idcs;
  ///  stress/strain state
  strastrestate ssst;
  ///  number of strain/stress components
  long ncomp;
  
  ///  array of initial displacements
  ///  it is used in problems with changing number of elements
  double *initdispl;

  
  /*
  priprava pro kodova cisla na prvku
  
  number of element only code numbers
  long necn;
  array containing element only code numbers
  long *cne;
  */

  ///  type of material
  mattype *tm;
  ///  number of appropriate material type
  long *idm;
  ///  number of material types
  long nm;

};

#endif