scaldamcc Class Reference

#include <scaldamcc.h>

Public Member Functions
void	damfuncpar (long ipp, vector &eps, vector &kappa)
double	damfunction (long ipp, vector &kappa, vector &eps)
void	elmatstiff (matrix &d, long ipp)
double	epsefunction ()
void	matstiff (matrix &d, long ipp, long ido)
void	nlstresses (long ipp, long im, long ido)
void	read (XFILE *in)
	scaldamcc (void)
void	updateval (long ipp, long im, long ido)
	~scaldamcc (void)
Public Attributes
double	ac
double	at
double	bc
	strength at compression
double	beta
double	bt
	tensile strength
paramf_type	ft
	function type for evaluation damage funtion parameter
double	k
double	k0

Detailed Description

This class defines scalar damage with crack closure material model. The different type of norms for the computing parameters of the damage function can be used.

Definition at line 10 of file scaldamcc.h.

Constructor & Destructor Documentation

scaldamcc ( void )

This constructor inializes attributes to zero values.

Definition at line 21 of file scaldamcc.cpp.

References ac, at, bc, beta, bt, k, and k0.

~scaldamcc ( void )

This destructor is only for the formal purposes.

Definition at line 29 of file scaldamcc.cpp.

Member Function Documentation

void damfuncpar	(	long	ipp,
		vector &	eps,
		vector &	kappa
	)

This function computes parameters for the damage function Different types of the parameter computing are given by the attribute ft.

Parameters:

	ipp	- integration point number
	eps	- vector of the strains
	kappa	- vector where the computed parameters are stored

Definition at line 82 of file scaldamcc.cpp.

References allocm(), allocv(), deviator(), elastisomat::e, mechmat::eliso, elisomat, extractposv(), fillv(), first_invar(), ft, intpoints::gemid(), mechmat::ip, k, limit, Mm, Mp, intpoints::ncompstr, nijac, normazar, elastisomat::nu, princ_val(), scprd(), second_invar(), intpoints::ssst, strain, intpoints::tm, vector_tensor(), vonmises, and probdesc::zero.

Referenced by mechmat::damfuncpar().

double damfunction	(	long	ipp,
		vector &	kappa,
		vector &	eps
	)

This function computes damage parameter omega which is the result of the damage function.

Parameters:

	ipp	- integration point number
	kappa	- vector of the parameters of damage function
	eps	- strain vector

Definition at line 143 of file scaldamcc.cpp.

References ac, allocm(), allocv(), at, bc, beta, bt, mechmat::elmatstiff(), extractm(), extractnegv(), extractposv(), invm(), mechmat::ip, k0, limit, Mm, Mp, mxv(), intpoints::ncompstr, nijac, princ_val(), scprd(), intpoints::ssst, strain, stress, subv(), vector_tensor(), and probdesc::zero.

Referenced by mechmat::damfunction().

void elmatstiff	(	matrix &	d,
		long	ipp
	)

This function computes elastic material stiffnes matrix from actual Young modulus.

Parameters:

	d	- allocated matrix structure for material stiffness matrix
	ipp	- integration point number

TKo

Definition at line 56 of file scaldamcc.cpp.

References cmulm(), mechmat::elmatstiff(), intpoints::gemid(), mechmat::give_actual_ym(), mechmat::givencompeqother(), mechmat::ip, and Mm.

Referenced by nlstresses().

double epsefunction ( )

This function returns the value of the limit elastic strain .

Definition at line 292 of file scaldamcc.cpp.

References k0.

Referenced by mechmat::epsefunction().

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

This function computes material stiffnes matrix.

Parameters:

	d	- allocated matrix structure for material stiffness matrix
	ipp	- integration point number
	ido	- index of internal variables for given material in the ipp other array

Definition at line 222 of file scaldamcc.cpp.

References cmulm(), mechmat::elmatstiff(), initial_stiff, mechmat::ip, Mm, Mp, probdesc::nlman, intpoints::other, nonlinman::stmat, and tangent_stiff.

Referenced by mechmat::matstiff().

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

This function computes correct stresses in the integration point and stores them into ip stress array.

Parameters:

	ipp	- integration point pointer
	im	- index of material type for given ip
	ido	- index of internal variables for given material in the ipp other array 7.10.2001

Definition at line 252 of file scaldamcc.cpp.

References elmatstiff(), mechmat::ip, Mm, intpoints::ncompstr, intpoints::other, mechmat::scal_dam_sol(), intpoints::strain, and intpoints::stress.

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

void read ( XFILE * in )

This function reads material parameters from the opened text file given by the parameter in.

Parameters:

in

- pointer to the opned text file

Definition at line 41 of file scaldamcc.cpp.

References ac, at, bc, beta, bt, ft, k, k0, paramf_type_kwdset(), vonmises, and xfscanf().