effstress Class Reference

#include <effstress.h>

Public Member Functions
	effstress (void)
void	give_reqnmq (long *anmq)
	marks required non-mechanical quantities
void	initvalues (long ipp)
	initializes mechmat::nonmechq array by constant value of pore pressure
void	nlstresses (long ipp, long im, long ido)
	computation of nonlinera stresses
void	read (XFILE *in)
	reading of parameters from file
	~effstress (void)
Public Attributes
pore_press_comp	ppct
double	ppv
	type of pore pressure computation

Detailed Description

This class defines artificial material model which combines a damage/(visco)plastictiy/elasticity models with the concept of effective stresses. It can be used also for other types of 'pore' pressures like a crystallisation pressure of water, slat, etc.

Order of internal variables in the other array : ----------------------------------------------- The model has no internal variables and the order of eqother array is given by the used damage/plasticty models

19.9.2012

Definition at line 23 of file effstress.h.

Constructor & Destructor Documentation

effstress ( void )

Definition at line 14 of file effstress.cpp.

References ppv.

~effstress ( void )

Definition at line 21 of file effstress.cpp.

Member Function Documentation

void give_reqnmq ( long * anmq )

marks required non-mechanical quantities

The funtion marks required non-mechanical quantities in the array anmq.

Parameters:

anmq

- array with flags for used material types anmq[i] = 1 => qunatity type nonmechquant(i+1) is required anmq[i] = 0 => qunatity type nonmechquant(i+1) is not required

Returns:: The function does not return anything, but it may change content of anmq array.

Definition at line 131 of file effstress.cpp.

References const_all, nonmechq, noporep, pore_pressure, ppct, and print_err().

Referenced by mechmat::give_reqnmq().

void initvalues ( long ipp )

initializes mechmat::nonmechq array by constant value of pore pressure

The function initializes corresponding component of the mechmat::nonmechq array in the case of constant pore pressure value defined in the material. Additionally, it sets flag probdesc::eigstrcomp for computation of nodal force contribution due to pore pressure.

Parameters:

ipp

- integration point pointer

Returns:: The function does not return anything but it changes Mm->nonmechq array.

Created by Tomas Koudelka, 14.10.2013

Definition at line 159 of file effstress.cpp.

References const_all, Mm, pore_pressure, ppct, ppv, and mechmat::storenonmechq().

Referenced by mechmat::initvalues().

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

computation of nonlinera stresses

The function calculates stresses according to effective stress concept.

Parameters:

	ipp	- number of integration point
	im	- index of the material in the ipp tm and idm arrays. The standard value is zero.
	ido	- index of internal variables in the ip's ipp eqother array. The standard value is zero.