mcreep Module Reference

This module provides functions for creep calculation. More...

Functions/Subroutines
subroutine	iso_creep (matl, sectType, stress, strain, extval, plstrain, dtime, ttime, stiffness, temp, hdflag)
	This subroutine calculates stiffness for elastically isotropic materials with isotropic creep. More...
subroutine	update_iso_creep (matl, sectType, strain, stress, extval, plstrain, dtime, ttime, temp, hdflag)
	This subroutine calculates stresses and creep status for an elastically isotropic material with isotropic creep. More...
subroutine	updateviscostate (gauss)
	Update viscoplastic state. More...

Detailed Description

This module provides functions for creep calculation.

Function/Subroutine Documentation

iso_creep()

subroutine mcreep::iso_creep	(	type( tmaterial ), intent(in)	matl,
		integer, intent(in)	sectType,
		real(kind=kreal), dimension(6), intent(in)	stress,
		real(kind=kreal), dimension(6), intent(in)	strain,
		real(kind=kreal), dimension(:), intent(in)	extval,
		real(kind=kreal), intent(in)	plstrain,
		real(kind=kreal), intent(in)	dtime,
		real(kind=kreal), intent(in)	ttime,
		real(kind=kreal), dimension(6,6), intent(out)	stiffness,
		real(kind=kreal), intent(in)	temp,
		integer(kind=kint), intent(in), optional	hdflag
	)

This subroutine calculates stiffness for elastically isotropic materials with isotropic creep.

Parameters

[in]	matl	material properties
[in]	secttype	not used currently
[in]	stress	Piola-Kirchhoff stress
[in]	extval	plastic strain
[in]	plstrain	plastic strain increment
[in]	ttime	total time at the start of the current increment
[in]	dtime	time length of the increment

Definition at line 19 of file creep.f90.

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update_iso_creep()

subroutine mcreep::update_iso_creep	(	type( tmaterial ), intent(in)	matl,
		integer, intent(in)	sectType,
		real(kind=kreal), dimension(6), intent(in)	strain,
		real(kind=kreal), dimension(6), intent(inout)	stress,
		real(kind=kreal), dimension(:), intent(inout)	extval,
		real(kind=kreal), intent(out)	plstrain,
		real(kind=kreal), intent(in)	dtime,
		real(kind=kreal), intent(in)	ttime,
		real(kind=kreal), intent(in)	temp,
		integer(kind=kint), intent(in), optional	hdflag
	)

This subroutine calculates stresses and creep status for an elastically isotropic material with isotropic creep.

Parameters

[in]	matl	material properties
[in]	secttype	not used currently
[in,out]	stress	Piola-Kirchhoff stress
[in,out]	extval	plastic strain
[out]	plstrain	plastic strain increment
[in]	ttime	total time at the start of the current increment
[in]	dtime	time length of the increment

Definition at line 122 of file creep.f90.

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updateviscostate()

subroutine mcreep::updateviscostate

(

type(tgaussstatus), intent(inout)

gauss

)

Update viscoplastic state.

Definition at line 214 of file creep.f90.

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