splas1d Class Reference

#include <splas1d.h>

List of all members.

Public Member Functions

void changeparam (atsel &atm, vector &val)
void changeparam (atsel &atm, vector &val)
void deryieldfq (vector &dq)
void deryieldfsigma (matrix &sig, matrix &dfds)
void dfdqpar (vector &dq)
void dfdsigma (matrix &sig, matrix &dfds)
void dfdsigmadq (matrix &dfdsdq)
void dfdsigmadsigma (matrix &dfdsdst)
void dhdgamma (long ipp, vector &epsp, matrix &sig, vector &dhdc)
double give_consparam (long ipp, long ido)
double give_consparam (long ipp, long ido)
void give_interparam (long ipp, long ido, vector &q)
void give_interparam (long ipp, long ido, vector &q)
long give_num_interparam ()
long give_num_interparam ()
void giveirrstrains (long ipp, long ido, vector &epsp)
void giveirrstrains (long ipp, long ido, vector &epsp)
void matstiff (matrix &d, long ipp, long ido)
void matstiff (matrix &d, long ipp, long ido)
void nlstresses (long ipp, long im, long ido)
void nlstresses (long ipp, long im, long ido)
void nonloc_nlstresses (long ipp, long im, long ido)
void nonloc_nlstresses (long ipp, long im, long ido)
void plasmod (matrix &h)
void plasmod (matrix &h)
double plasmodscalar (vector &qtr)
double plasmodscalar (matrix &sig, vector &epsp, vector &qtr, double gamma)
void read (FILE *in)
void read (XFILE *in)
 splas1d (void)
 splas1d (void)
void updateq (double dgamma, vector &q)
void updateq (long ipp, double dgamma, vector &epsp, vector &q)
void updateval (long ipp, long ido)
void updateval (long ipp, long ido)
double yieldfunction (matrix &sig, vector &q)
double yieldfunction (matrix &sig, vector &q)
 ~splas1d (void)
 ~splas1d (void)

Public Attributes

double fs
 flow stress
hardsoft hs
 hardening/softening
double k
 plastic modulus
strretalg sra
 stress return algorithm

Detailed Description

class splas1d defines onedimensional model of plasticity it is used especially for program debugging

JK

Definition at line 19 of file splas1d.h.

Constructor & Destructor Documentation

splas1d ( void   ) 

Definition at line 13 of file splas1d.cpp.

References fs.

~splas1d ( void   ) 

Definition at line 19 of file splas1d.cpp.

splas1d ( void   ) 
~splas1d ( void   ) 

Member Function Documentation

void changeparam ( atsel &  atm,
vector &  val 
)
void changeparam ( atsel &  atm,
vector &  val 
)

Definition at line 363 of file splas1d.cpp.

References atsel::atrib, fs, atsel::num, and print_err().

Referenced by stochdriver::changematerials().

void deryieldfq ( vector &  dq  ) 

function evaluates derivatives of yield function with respect of internal variable q

21.8.2001

Definition at line 56 of file splas1d_0408.cpp.

References k.

Referenced by plasmodscalar(), and updateq().

void deryieldfsigma ( matrix &  sig,
matrix &  dfds 
)

function evaluates derivatives of yield function with respect of stress components

12.8.2001

Definition at line 44 of file splas1d_0408.cpp.

void dfdqpar ( vector &  dq  ) 

function evaluates derivatives of yield function with respect to internal variable q

Parameters:
dq - vector containing derivatives of yield function with respect to internal variable

JK, 21.8.2001

Definition at line 97 of file splas1d.cpp.

Referenced by mechmat::dfdqpar(), mechmat::dgdqpar(), matstiff(), and plasmodscalar().

void dfdsigma ( matrix &  sig,
matrix &  dfds 
)

function evaluates derivatives of yield function with respect to stress components

stresses must be assembled in tensor notation and stored in 3x3 matrix this requirement is useless for this model but the same strategy as in other multidimensional models is used here

Parameters:
sig - stresses
dfds - matrix containing derivatives with respect to stresses

JK, 12.8.2001

Definition at line 73 of file splas1d.cpp.

Referenced by mechmat::dfdsigma(), mechmat::dgdsigma(), dhdgamma(), matstiff(), and plasmodscalar().

void dfdsigmadq ( matrix &  dfdsdq  ) 

function evaluates derivates of yield function with respect to stresses and internal variables (hardening/softening parameters)

Parameters:
dfdsdq - derivatives of yield function with respect to stresses and internal variables

JK, 8.8.2005

Definition at line 111 of file splas1d.cpp.

References fillm().

Referenced by mechmat::dfdsigmadq(), and mechmat::dgdsigmadq().

void dfdsigmadsigma ( matrix &  dfdsdst  ) 

function computes second derivatives of yield function with respect to stresses all of them are always equal to zero

JK, 8.8.2005

Definition at line 85 of file splas1d.cpp.

References fillm().

Referenced by mechmat::dfdsigmadsigma(), and mechmat::dgdsigmadsigma().

void dhdgamma ( long  ipp,
vector &  epsp,
matrix &  sig,
vector &  dhdc 
)

function computes derivatives of hardening function with respect to consistency parameter

Parameters:
ipp - id of integration point
idpm - id of plasticity model
dhdc - vector containing derivatives of hardening function with respect to consistency parameter

JK, 8.8.2005

Definition at line 127 of file splas1d.cpp.

References dfdsigma().

Referenced by mechmat::dhdgamma().

double give_consparam ( long  ipp,
long  ido 
)
double give_consparam ( long  ipp,
long  ido 
)

Definition at line 384 of file splas1d.cpp.

References mechmat::ip, Mm, and intpoints::other.

Referenced by mechmat::give_consparam().

void give_interparam ( long  ipp,
long  ido,
vector &  q 
)
void give_interparam ( long  ipp,
long  ido,
vector &  q 
)

Definition at line 396 of file splas1d.cpp.

References intpoints::eqother, mechmat::ip, Mm, and intpoints::ncompstr.

Referenced by mechmat::give_interparam().

long give_num_interparam (  ) 
long give_num_interparam (  ) 

Definition at line 391 of file splas1d.cpp.

Referenced by mechmat::give_num_interparam().

void giveirrstrains ( long  ipp,
long  ido,
vector &  epsp 
)
void giveirrstrains ( long  ipp,
long  ido,
vector &  epsp 
)

Function returns irreversible plastic strains.

Parameters:
ipp - integration point number in the mechmat ip array.
ido - index of the first internal variable for given material in the ipp other array
epsp - vector of irreversible strains

Returns vector of irreversible strains via parameter epsp

Definition at line 356 of file splas1d.cpp.

References intpoints::eqother, mechmat::ip, and Mm.

Referenced by mechmat::giveirrstrains().

void matstiff ( matrix &  d,
long  ipp,
long  ido 
)
void matstiff ( matrix &  d,
long  ipp,
long  ido 
)

Definition at line 296 of file splas1d.cpp.

References cmulm(), dfdqpar(), dfdsigma(), mechmat::elmatstiff(), intpoints::eqother, g, h(), mechmat::ip, Mm, Mp, mxm(), mxv(), probdesc::nlman, scprd(), intpoints::ssst, nonlinman::stmat, stress, intpoints::stress, subm(), tensor_vector(), vxv(), and probdesc::zero.

Referenced by mechmat::matstiff().

void nlstresses ( long  ipp,
long  im,
long  ido 
)
void nlstresses ( long  ipp,
long  im,
long  ido 
)

Definition at line 231 of file splas1d.cpp.

References cp, intpoints::eqother, strretalg::give_err(), strretalg::give_ni(), strretalg::give_tsra(), mechmat::ip, Mm, mechmat::newton_stress_return(), intpoints::other, print_err(), sra, and intpoints::strain.

Referenced by mechmat::compnonloc_nlstresses(), and mechmat::computenlstresses().

void nonloc_nlstresses ( long  ipp,
long  im,
long  ido 
)
void nonloc_nlstresses ( long  ipp,
long  im,
long  ido 
)

Definition at line 265 of file splas1d.cpp.

References cp, mechmat::cutting_plane(), intpoints::eqother, strretalg::give_err(), strretalg::give_ni(), strretalg::give_tsra(), mechmat::ip, Mm, intpoints::nonloc, intpoints::other, sra, and intpoints::strain.

Referenced by mechmat::compnonloc_nlstresses().

void plasmod ( matrix &  h  ) 
void plasmod ( matrix &  h  ) 

Definition at line 146 of file splas1d.cpp.

Referenced by plasmodscalar(), mechmat::plasticmoduli(), and updateq().

double plasmodscalar ( vector &  qtr  ) 

Definition at line 68 of file splas1d_0408.cpp.

References deryieldfq(), h(), mxv(), vector::n, plasmod(), and scprd().

double plasmodscalar ( matrix &  sig,
vector &  epsp,
vector &  qtr,
double  gamma 
)

Definition at line 151 of file splas1d.cpp.

References dfdqpar(), dfdsigma(), h(), vector::n, and plasmod().

Referenced by mechmat::plasmodscalar().

void read ( FILE *  in  ) 

Definition at line 23 of file splas1d_0408.cpp.

References fs, k, strretalg::read(), and sra.

void read ( XFILE *  in  ) 

function reads input material parameters

Parameters:
in - pointer to input file

JK

Definition at line 31 of file splas1d.cpp.

References fs, hs, hardsoft::read(), strretalg::read(), sra, and xfscanf().

Referenced by mechmat::readmattype().

void updateq ( double  dgamma,
vector &  q 
)

Definition at line 81 of file splas1d_0408.cpp.

References deryieldfq(), h(), mxv(), vector::n, and plasmod().

void updateq ( long  ipp,
double  dgamma,
vector &  epsp,
vector &  q 
)

Definition at line 211 of file splas1d.cpp.

Referenced by mechmat::updateq().

void updateval ( long  ipp,
long  ido 
)
void updateval ( long  ipp,
long  ido 
)

Definition at line 338 of file splas1d.cpp.

References intpoints::eqother, mechmat::ip, Mm, and intpoints::other.

Referenced by mechmat::updateipvalmat().

double yieldfunction ( matrix &  sig,
vector &  q 
)
double yieldfunction ( matrix &  sig,
vector &  q 
)

function evaluates yield function

stresses must be assembled in tensor notation and stored in 3x3 matrix this requirement is useless for this model but the same strategy as in other multidimensional models is used here

Parameters:
sig - stresses
q - internal (hardening/softening) parameters

JK, 12.8.2001

Definition at line 53 of file splas1d.cpp.

References f, and fs.

Referenced by mechmat::yieldfunction().

Member Data Documentation

double fs

flow stress

Definition at line 52 of file splas1d.h.

Referenced by changeparam(), read(), splas1d(), and yieldfunction().

hardsoft hs

hardening/softening

Definition at line 56 of file splas1d.h.

Referenced by read().

double k

plastic modulus

Definition at line 42 of file splas1d_0408.h.

Referenced by deryieldfq(), and read().

strretalg sra

stress return algorithm

Definition at line 54 of file splas1d.h.

Referenced by nlstresses(), nonloc_nlstresses(), and read().

The documentation for this class was generated from the following files:
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