crsec2dbeam.cpp

来自「Finite element program for mechanical pr」· C++ 代码 · 共 119 行

#include "crsec2dbeam.h"
#include "global.h"
#include "stochdriver.h"

crsec2dbeam::crsec2dbeam (void)
{
  a=0.0;  iy=0.0;  shearcoeff=0.0;  rho=0.0;  t=0.0;
}
crsec2dbeam::~crsec2dbeam (void)
{
  
}

/**
   function reads parameters of cross-section of twodimensional beams
   
   @param in - input stream
*/
void crsec2dbeam::read (XFILE *in)
{
  switch (Mp->tprob){
  case linear_statics:{
    xfscanf (in,"%lf %lf %lf",&a,&iy,&shearcoeff);
    break;
  }
  case mech_timedependent_prob:{
    xfscanf (in,"%lf %lf %lf",&a,&iy,&shearcoeff);
    break;
  }
  case mat_nonlinear_statics:{
    xfscanf (in,"%lf %lf %lf",&a,&iy,&shearcoeff);
    break;
  }
  case eigen_dynamics:{
    xfscanf (in,"%lf %lf %lf %lf",&a,&iy,&shearcoeff,&rho);
    break;
  }
  case forced_dynamics:{
    xfscanf (in,"%lf %lf %lf %lf",&a,&iy,&shearcoeff,&rho);
    break;
  }
  case earth_pressure:{
    xfscanf (in,"%lf %lf %lf",&a,&iy,&shearcoeff);
    break;
  }
  case layered_linear_statics:{
    xfscanf (in,"%lf %lf %lf %lf",&a,&iy,&shearcoeff,&t);
    break;
  }
  case var_stiff_method:{
    xfscanf (in,"%lf %lf %lf",&a,&iy,&shearcoeff);
    break;
  }
  case growing_mech_structure:{
    xfscanf (in,"%lf %lf %lf",&a,&iy,&shearcoeff);
    break;
  }
  default:{
    fprintf (stderr,"\n\n unknown problem type is required in function");
    fprintf (stderr,"\n crsec2dbeam::read (file %s, line %d).\n",__FILE__,__LINE__);
  }
  }
}

double crsec2dbeam::give_area ()
{
  return a;
}

void crsec2dbeam::give_moments (double *i)
{
  i[0]=iy;
}

void crsec2dbeam::give_shearcoeff (double *sc)
{
  sc[0]=shearcoeff;
}

double crsec2dbeam::give_density ()
{
  return rho;
}

/**
   function changes class parameters
   function is used in stochastic or fuzzy computations
   
   JK
*/
void crsec2dbeam::changeparam (atsel &atcs,vector &val)
{
  long i;
  
  for (i=0;i<atcs.num;i++){
    switch (atcs.atrib[i]){
    case 0:{
      a=val[i];
      break;
    }
    case 1:{
      iy=val[i];
      break;
    }
    case 2:{
      shearcoeff=val[i];
      break;
    }
    case 3:{
      rho=val[i];
      break;
    }
    default:{
      fprintf (stderr,"\n\n wrong number of atribute in function changeparam (file %s, line %d).\n",__FILE__,__LINE__);
    }
    }
  }
}