elastic_print_c.C File Reference

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Functions
void	umat_ (double *stress, double *statev, double *ddsdde, double *sse, double *spd, double *scd, double *rpl, double *ddsddt, double *drplde, double *drpldt, double *stran, double *dstran, double *time, double *dtime, double *temp, double *dtemp, double *predef, double *dpred, char *cmname, int *ndi, int *nshr, int *ntens, int *nstatv, double *props, int *nprops, double *coords, double *drot, double *pnewdt, double *celent, double *dfgrd0, double *dfgrd1, int *noel, int *npt, int *layer, int *kspt, int *kstep, int *kinc, short cmname_len)

Function Documentation

umat_()

void umat_	(	double *	stress,
		double *	statev,
		double *	ddsdde,
		double *	sse,
		double *	spd,
		double *	scd,
		double *	rpl,
		double *	ddsddt,
		double *	drplde,
		double *	drpldt,
		double *	stran,
		double *	dstran,
		double *	time,
		double *	dtime,
		double *	temp,
		double *	dtemp,
		double *	predef,
		double *	dpred,
		char *	cmname,
		int *	ndi,
		int *	nshr,
		int *	ntens,
		int *	nstatv,
		double *	props,
		int *	nprops,
		double *	coords,
		double *	drot,
		double *	pnewdt,
		double *	celent,
		double *	dfgrd0,
		double *	dfgrd1,
		int *	noel,
		int *	npt,
		int *	layer,
		int *	kspt,
		int *	kstep,
		int *	kinc,
		short	cmname_len
	)

Definition at line 17 of file elastic_print_c.C.

{
  const double E = props[0];
  const double nu = props[1];
  const double Ebulk = E / (1.0 - 2.0 * nu);
  const double Eg2 = E / (1.0 + nu);
  const double Eg = Eg2 / 2.0;
  const double Elam = (Ebulk - Eg2) / 3.0;
 
  // elastic stiffness
  for (int k1 = 0; k1 < *ndi; ++k1)
  {
    for (int k2 = 0; k2 < *ndi; ++k2)
      ddsdde[k1 * *ntens + k2] = Elam;
    ddsdde[k1 * *ntens + k1] += Eg2;
  }
  for (int k1 = *ndi; k1 < *ntens; ++k1)
    ddsdde[k1 * *ntens + k1] = Eg;
 
  // calculate stress
  for (int k1 = 0; k1 < *ntens; ++k1)
    for (int k2 = 0; k2 < *ntens; ++k2)
      stress[k1] += ddsdde[k1 * *ntens + k2] * dstran[k2];
 
  if (*npt == 8)
  {
    Moose::out << std::fixed << std::setprecision(7);
    for (int k1 = 0; k1 < *ntens; ++k1)
      Moose::out << "stran " << k1 << " = " << stran[k1] << "\n";
 
    for (int k1 = 0; k1 < *ntens; ++k1)
      Moose::out << "dstran " << k1 << " = " << dstran[k1] << "\n";
 
    for (int k1 = 0; k1 < *ntens; ++k1)
      Moose::out << "stress " << k1 << " = " << stress[k1] << "\n";
 
    for (int k1 = 0; k1 < *ndi; ++k1)
      Moose::out << "coords " << k1 << " = " << coords[k1] << "\n";
 
    for (int k1 = 0; k1 < *ndi * *ndi; ++k1)
      Moose::out << "dfgrd0 " << k1 << " = " << dfgrd0[k1] << "\n";
 
    for (int k1 = 0; k1 < *ndi * *ndi; ++k1)
      Moose::out << "dfgrd1 " << k1 << " = " << dfgrd1[k1] << "\n";
 
    for (int k1 = 0; k1 < *ndi * *ndi; ++k1)
      Moose::out << "drot " << k1 << " = " << drot[k1] << "\n";
 
    Moose::out << "time 0 = " << time[0] << "\n";
    Moose::out << "time 1 = " << time[1] << "\n";
    Moose::out << "celent = " << *celent << "\n";
    Moose::out << std::defaultfloat;
    Moose::out << "ndi = " << *ndi << "\n";
    Moose::out << "nshr = " << *nshr << "\n";
    Moose::out << "ntens = " << *ntens << "\n";
    Moose::out << "noel = " << *noel << "\n";
    Moose::out << "npt = " << *npt << "\n";
    Moose::out << "layer = " << *layer << "\n";
    Moose::out << "kspt = " << *kspt << "\n";
    Moose::out << "kstep = " << *kstep << "\n";
    Moose::out << "kinc = " << *kinc << "\n";
    Moose::out << "cmname = " << cmname << "\n";
  }
}