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replaced param(instance) with p => pointer

This commit is contained in:
Eureka Pai 2018-05-24 17:56:09 -04:00
parent a183fb5c47
commit f97800658f
1 changed files with 81 additions and 66 deletions
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141
src/plastic_isotropic.f90
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@ -53,7 +53,7 @@ module plastic_isotropic
dilatation = .false. dilatation = .false.
end type end type
type(tParameters), dimension(:), allocatable, private :: param !< containers of constitutive parameters (len Ninstance) type(tParameters), dimension(:), allocatable, target, private :: param !< containers of constitutive parameters (len Ninstance)
type, private :: tIsotropicState !< internal state aliases type, private :: tIsotropicState !< internal state aliases
real(pReal), pointer, dimension(:) :: & ! scalars along NipcMyInstance real(pReal), pointer, dimension(:) :: & ! scalars along NipcMyInstance
@ -130,6 +130,7 @@ subroutine plastic_isotropic_init(fileUnit)
implicit none implicit none
integer(pInt), intent(in) :: fileUnit integer(pInt), intent(in) :: fileUnit
type tParameters, pointer :: p
integer(pInt), allocatable, dimension(:) :: chunkPos integer(pInt), allocatable, dimension(:) :: chunkPos
integer(pInt) :: & integer(pInt) :: &
@ -185,13 +186,14 @@ subroutine plastic_isotropic_init(fileUnit)
if (IO_getTag(line,'[',']') /= '') then ! next section if (IO_getTag(line,'[',']') /= '') then ! next section
phase = phase + 1_pInt ! advance section counter phase = phase + 1_pInt ! advance section counter
if (phase_plasticity(phase) == PLASTICITY_ISOTROPIC_ID) then if (phase_plasticity(phase) == PLASTICITY_ISOTROPIC_ID) then
instance = phase_plasticityInstance(phase) ! count instances of my constitutive law p => param(phase_plasticityInstance(phase)) ! shorthand pointer to parameter object of my constitutive law
allocate(param(instance)%outputID(phase_Noutput(phase))) ! allocate space for IDs of every requested output allocate(p%outputID(phase_Noutput(phase))) ! allocate space for IDs of every requested output
endif endif
cycle ! skip to next line cycle ! skip to next line
endif endif
if (phase > 0_pInt) then; if (phase_plasticity(phase) == PLASTICITY_ISOTROPIC_ID) then ! one of my phases. Do not short-circuit here (.and. between if-statements), it's not safe in Fortran if (phase > 0_pInt) then; if (phase_plasticity(phase) == PLASTICITY_ISOTROPIC_ID) then ! one of my phases. Do not short-circuit here (.and. between if-statements), it's not safe in Fortran
instance = phase_plasticityInstance(phase) ! which instance of my plasticity is present phase instance = phase_plasticityInstance(phase) ! which instance of my plasticity is present phase
p => param(instance)
chunkPos = IO_stringPos(line) chunkPos = IO_stringPos(line)
tag = IO_lc(IO_stringValue(line,chunkPos,1_pInt)) ! extract key tag = IO_lc(IO_stringValue(line,chunkPos,1_pInt)) ! extract key
@ -201,58 +203,58 @@ subroutine plastic_isotropic_init(fileUnit)
select case(outputtag) select case(outputtag)
case ('flowstress') case ('flowstress')
plastic_isotropic_Noutput(instance) = plastic_isotropic_Noutput(instance) + 1_pInt plastic_isotropic_Noutput(instance) = plastic_isotropic_Noutput(instance) + 1_pInt
param(instance)%outputID (plastic_isotropic_Noutput(instance)) = flowstress_ID p%outputID (plastic_isotropic_Noutput(instance)) = flowstress_ID
plastic_isotropic_output(plastic_isotropic_Noutput(instance),instance) = outputtag plastic_isotropic_output(plastic_isotropic_Noutput(instance),instance) = outputtag
case ('strainrate') case ('strainrate')
plastic_isotropic_Noutput(instance) = plastic_isotropic_Noutput(instance) + 1_pInt plastic_isotropic_Noutput(instance) = plastic_isotropic_Noutput(instance) + 1_pInt
param(instance)%outputID (plastic_isotropic_Noutput(instance)) = strainrate_ID p%outputID (plastic_isotropic_Noutput(instance)) = strainrate_ID
plastic_isotropic_output(plastic_isotropic_Noutput(instance),instance) = outputtag plastic_isotropic_output(plastic_isotropic_Noutput(instance),instance) = outputtag
end select end select
case ('/dilatation/') case ('/dilatation/')
param(instance)%dilatation = .true. p%dilatation = .true.
case ('tau0') case ('tau0')
param(instance)%tau0 = IO_floatValue(line,chunkPos,2_pInt) p%tau0 = IO_floatValue(line,chunkPos,2_pInt)
case ('gdot0') case ('gdot0')
param(instance)%gdot0 = IO_floatValue(line,chunkPos,2_pInt) p%gdot0 = IO_floatValue(line,chunkPos,2_pInt)
case ('n') case ('n')
param(instance)%n = IO_floatValue(line,chunkPos,2_pInt) p%n = IO_floatValue(line,chunkPos,2_pInt)
case ('h0') case ('h0')
param(instance)%h0 = IO_floatValue(line,chunkPos,2_pInt) p%h0 = IO_floatValue(line,chunkPos,2_pInt)
case ('h0_slope','slopelnrate') case ('h0_slope','slopelnrate')
param(instance)%h0_slopeLnRate = IO_floatValue(line,chunkPos,2_pInt) p%h0_slopeLnRate = IO_floatValue(line,chunkPos,2_pInt)
case ('tausat') case ('tausat')
param(instance)%tausat = IO_floatValue(line,chunkPos,2_pInt) p%tausat = IO_floatValue(line,chunkPos,2_pInt)
case ('tausat_sinhfita') case ('tausat_sinhfita')
param(instance)%tausat_SinhFitA = IO_floatValue(line,chunkPos,2_pInt) p%tausat_SinhFitA = IO_floatValue(line,chunkPos,2_pInt)
case ('tausat_sinhfitb') case ('tausat_sinhfitb')
param(instance)%tausat_SinhFitB = IO_floatValue(line,chunkPos,2_pInt) p%tausat_SinhFitB = IO_floatValue(line,chunkPos,2_pInt)
case ('tausat_sinhfitc') case ('tausat_sinhfitc')
param(instance)%tausat_SinhFitC = IO_floatValue(line,chunkPos,2_pInt) p%tausat_SinhFitC = IO_floatValue(line,chunkPos,2_pInt)
case ('tausat_sinhfitd') case ('tausat_sinhfitd')
param(instance)%tausat_SinhFitD = IO_floatValue(line,chunkPos,2_pInt) p%tausat_SinhFitD = IO_floatValue(line,chunkPos,2_pInt)
case ('a', 'w0') case ('a', 'w0')
param(instance)%a = IO_floatValue(line,chunkPos,2_pInt) p%a = IO_floatValue(line,chunkPos,2_pInt)
case ('taylorfactor') case ('taylorfactor')
param(instance)%fTaylor = IO_floatValue(line,chunkPos,2_pInt) p%fTaylor = IO_floatValue(line,chunkPos,2_pInt)
case ('atol_flowstress') case ('atol_flowstress')
param(instance)%aTolFlowstress = IO_floatValue(line,chunkPos,2_pInt) p%aTolFlowstress = IO_floatValue(line,chunkPos,2_pInt)
case ('atol_shear') case ('atol_shear')
param(instance)%aTolShear = IO_floatValue(line,chunkPos,2_pInt) p%aTolShear = IO_floatValue(line,chunkPos,2_pInt)
case default case default
@ -269,17 +271,18 @@ subroutine plastic_isotropic_init(fileUnit)
myPhase: if (phase_plasticity(phase) == PLASTICITY_isotropic_ID) then ! isolate instances of own constitutive description myPhase: if (phase_plasticity(phase) == PLASTICITY_isotropic_ID) then ! isolate instances of own constitutive description
NipcMyPhase = count(material_phase == phase) ! number of own material points (including point components ipc) NipcMyPhase = count(material_phase == phase) ! number of own material points (including point components ipc)
instance = phase_plasticityInstance(phase) instance = phase_plasticityInstance(phase)
p => param(instance)
extmsg = '' extmsg = ''
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! sanity checks ! sanity checks
if (param(instance)%aTolShear <= 0.0_pReal) param(instance)%aTolShear = 1.0e-6_pReal ! default absolute tolerance 1e-6 if (p%aTolShear <= 0.0_pReal) p%aTolShear = 1.0e-6_pReal ! default absolute tolerance 1e-6
if (param(instance)%tau0 < 0.0_pReal) extmsg = trim(extmsg)//' tau0' if (p%tau0 < 0.0_pReal) extmsg = trim(extmsg)//' tau0'
if (param(instance)%gdot0 <= 0.0_pReal) extmsg = trim(extmsg)//' gdot0' if (p%gdot0 <= 0.0_pReal) extmsg = trim(extmsg)//' gdot0'
if (param(instance)%n <= 0.0_pReal) extmsg = trim(extmsg)//' n' if (p%n <= 0.0_pReal) extmsg = trim(extmsg)//' n'
if (param(instance)%tausat <= 0.0_pReal) extmsg = trim(extmsg)//' tausat' if (p%tausat <= 0.0_pReal) extmsg = trim(extmsg)//' tausat'
if (param(instance)%a <= 0.0_pReal) extmsg = trim(extmsg)//' a' if (p%a <= 0.0_pReal) extmsg = trim(extmsg)//' a'
if (param(instance)%fTaylor <= 0.0_pReal) extmsg = trim(extmsg)//' taylorfactor' if (p%fTaylor <= 0.0_pReal) extmsg = trim(extmsg)//' taylorfactor'
if (param(instance)%aTolFlowstress <= 0.0_pReal) extmsg = trim(extmsg)//' atol_flowstress' if (p%aTolFlowstress <= 0.0_pReal) extmsg = trim(extmsg)//' atol_flowstress'
if (extmsg /= '') then if (extmsg /= '') then
extmsg = trim(extmsg)//' ('//PLASTICITY_ISOTROPIC_label//')' ! prepare error message identifier extmsg = trim(extmsg)//' ('//PLASTICITY_ISOTROPIC_label//')' ! prepare error message identifier
call IO_error(211_pInt,ip=instance,ext_msg=extmsg) call IO_error(211_pInt,ip=instance,ext_msg=extmsg)
@ -287,7 +290,7 @@ subroutine plastic_isotropic_init(fileUnit)
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! Determine size of postResults array ! Determine size of postResults array
outputsLoop: do o = 1_pInt,plastic_isotropic_Noutput(instance) outputsLoop: do o = 1_pInt,plastic_isotropic_Noutput(instance)
select case(param(instance)%outputID(o)) select case(p%outputID(o))
case(flowstress_ID,strainrate_ID) case(flowstress_ID,strainrate_ID)
mySize = 1_pInt mySize = 1_pInt
case default case default
@ -349,13 +352,13 @@ subroutine plastic_isotropic_init(fileUnit)
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! init state ! init state
state0(instance)%flowstress = param(instance)%tau0 state0(instance)%flowstress = p%tau0
state0(instance)%accumulatedShear = 0.0_pReal state0(instance)%accumulatedShear = 0.0_pReal
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! init absolute state tolerances ! init absolute state tolerances
stateAbsTol(instance)%flowstress = param(instance)%aTolFlowstress stateAbsTol(instance)%flowstress = p%aTolFlowstress
stateAbsTol(instance)%accumulatedShear = param(instance)%aTolShear stateAbsTol(instance)%accumulatedShear = p%aTolShear
endif myPhase endif myPhase
enddo initializeInstances enddo initializeInstances
@ -400,6 +403,8 @@ subroutine plastic_isotropic_LpAndItsTangent(Lp,dLp_dTstar99,Tstar_v,ipc,ip,el)
ip, & !< integration point ip, & !< integration point
el !< element el !< element
type tParameters, pointer :: p
real(pReal), dimension(3,3) :: & real(pReal), dimension(3,3) :: &
Tstar_dev_33 !< deviatoric part of the 2nd Piola Kirchhoff stress tensor as 2nd order tensor Tstar_dev_33 !< deviatoric part of the 2nd Piola Kirchhoff stress tensor as 2nd order tensor
real(pReal), dimension(3,3,3,3) :: & real(pReal), dimension(3,3,3,3) :: &
@ -414,6 +419,7 @@ subroutine plastic_isotropic_LpAndItsTangent(Lp,dLp_dTstar99,Tstar_v,ipc,ip,el)
of = phasememberAt(ipc,ip,el) ! phasememberAt should be tackled by material and be renamed to material_phasemember of = phasememberAt(ipc,ip,el) ! phasememberAt should be tackled by material and be renamed to material_phasemember
instance = phase_plasticityInstance(material_phase(ipc,ip,el)) instance = phase_plasticityInstance(material_phase(ipc,ip,el))
p => param(instance)
Tstar_dev_33 = math_deviatoric33(math_Mandel6to33(Tstar_v)) ! deviatoric part of 2nd Piola-Kirchhoff stress Tstar_dev_33 = math_deviatoric33(math_Mandel6to33(Tstar_v)) ! deviatoric part of 2nd Piola-Kirchhoff stress
squarenorm_Tstar_dev = math_mul33xx33(Tstar_dev_33,Tstar_dev_33) squarenorm_Tstar_dev = math_mul33xx33(Tstar_dev_33,Tstar_dev_33)
@ -423,11 +429,11 @@ subroutine plastic_isotropic_LpAndItsTangent(Lp,dLp_dTstar99,Tstar_v,ipc,ip,el)
Lp = 0.0_pReal Lp = 0.0_pReal
dLp_dTstar99 = 0.0_pReal dLp_dTstar99 = 0.0_pReal
else else
gamma_dot = param(instance)%gdot0 & gamma_dot = p%gdot0 &
* ( sqrt(1.5_pReal) * norm_Tstar_dev / param(instance)%fTaylor / state(instance)%flowstress(of) ) & * ( sqrt(1.5_pReal) * norm_Tstar_dev / p%fTaylor / state(instance)%flowstress(of) ) &
**param(instance)%n **p%n
Lp = Tstar_dev_33/norm_Tstar_dev * gamma_dot/param(instance)%fTaylor Lp = Tstar_dev_33/norm_Tstar_dev * gamma_dot/p%fTaylor
if (iand(debug_level(debug_constitutive), debug_levelExtensive) /= 0_pInt & if (iand(debug_level(debug_constitutive), debug_levelExtensive) /= 0_pInt &
.and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) & .and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
@ -441,13 +447,13 @@ subroutine plastic_isotropic_LpAndItsTangent(Lp,dLp_dTstar99,Tstar_v,ipc,ip,el)
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! Calculation of the tangent of Lp ! Calculation of the tangent of Lp
forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) & forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) &
dLp_dTstar_3333(k,l,m,n) = (param(instance)%n-1.0_pReal) * & dLp_dTstar_3333(k,l,m,n) = (p%n-1.0_pReal) * &
Tstar_dev_33(k,l)*Tstar_dev_33(m,n) / squarenorm_Tstar_dev Tstar_dev_33(k,l)*Tstar_dev_33(m,n) / squarenorm_Tstar_dev
forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt) & forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt) &
dLp_dTstar_3333(k,l,k,l) = dLp_dTstar_3333(k,l,k,l) + 1.0_pReal dLp_dTstar_3333(k,l,k,l) = dLp_dTstar_3333(k,l,k,l) + 1.0_pReal
forall (k=1_pInt:3_pInt,m=1_pInt:3_pInt) & forall (k=1_pInt:3_pInt,m=1_pInt:3_pInt) &
dLp_dTstar_3333(k,k,m,m) = dLp_dTstar_3333(k,k,m,m) - 1.0_pReal/3.0_pReal dLp_dTstar_3333(k,k,m,m) = dLp_dTstar_3333(k,k,m,m) - 1.0_pReal/3.0_pReal
dLp_dTstar99 = math_Plain3333to99(gamma_dot / param(instance)%fTaylor * & dLp_dTstar99 = math_Plain3333to99(gamma_dot / p%fTaylor * &
dLp_dTstar_3333 / norm_Tstar_dev) dLp_dTstar_3333 / norm_Tstar_dev)
end if end if
end subroutine plastic_isotropic_LpAndItsTangent end subroutine plastic_isotropic_LpAndItsTangent
@ -479,9 +485,11 @@ subroutine plastic_isotropic_LiAndItsTangent(Li,dLi_dTstar_3333,Tstar_v,ipc,ip,e
ip, & !< integration point ip, & !< integration point
el !< element el !< element
type tParameters, pointer :: p
real(pReal), dimension(3,3) :: & real(pReal), dimension(3,3) :: &
Tstar_sph_33 !< sphiatoric part of the 2nd Piola Kirchhoff stress tensor as 2nd order tensor Tstar_sph_33 !< sphiatoric part of the 2nd Piola Kirchhoff stress tensor as 2nd order tensor
real(pReal) :: & real(pReal) :: &
gamma_dot, & !< strainrate gamma_dot, & !< strainrate
norm_Tstar_sph, & !< euclidean norm of Tstar_sph norm_Tstar_sph, & !< euclidean norm of Tstar_sph
squarenorm_Tstar_sph !< square of the euclidean norm of Tstar_sph squarenorm_Tstar_sph !< square of the euclidean norm of Tstar_sph
@ -491,27 +499,28 @@ real(pReal) :: &
of = phasememberAt(ipc,ip,el) ! phasememberAt should be tackled by material and be renamed to material_phasemember of = phasememberAt(ipc,ip,el) ! phasememberAt should be tackled by material and be renamed to material_phasemember
instance = phase_plasticityInstance(material_phase(ipc,ip,el)) instance = phase_plasticityInstance(material_phase(ipc,ip,el))
p => param(instance)
Tstar_sph_33 = math_spherical33(math_Mandel6to33(Tstar_v)) ! spherical part of 2nd Piola-Kirchhoff stress Tstar_sph_33 = math_spherical33(math_Mandel6to33(Tstar_v)) ! spherical part of 2nd Piola-Kirchhoff stress
squarenorm_Tstar_sph = math_mul33xx33(Tstar_sph_33,Tstar_sph_33) squarenorm_Tstar_sph = math_mul33xx33(Tstar_sph_33,Tstar_sph_33)
norm_Tstar_sph = sqrt(squarenorm_Tstar_sph) norm_Tstar_sph = sqrt(squarenorm_Tstar_sph)
if (param(instance)%dilatation .and. norm_Tstar_sph > 0.0_pReal) then ! Tstar == 0 or J2 plascitiy --> both Li and dLi_dTstar are zero if (p%dilatation .and. norm_Tstar_sph > 0.0_pReal) then ! Tstar == 0 or J2 plascitiy --> both Li and dLi_dTstar are zero
gamma_dot = param(instance)%gdot0 & gamma_dot = p%gdot0 &
* (sqrt(1.5_pReal) * norm_Tstar_sph / param(instance)%fTaylor / state(instance)%flowstress(of) ) & * (sqrt(1.5_pReal) * norm_Tstar_sph / p%fTaylor / state(instance)%flowstress(of) ) &
**param(instance)%n **p%n
Li = Tstar_sph_33/norm_Tstar_sph * gamma_dot/param(instance)%fTaylor Li = Tstar_sph_33/norm_Tstar_sph * gamma_dot/p%fTaylor
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! Calculation of the tangent of Li ! Calculation of the tangent of Li
forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) & forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) &
dLi_dTstar_3333(k,l,m,n) = (param(instance)%n-1.0_pReal) * & dLi_dTstar_3333(k,l,m,n) = (p%n-1.0_pReal) * &
Tstar_sph_33(k,l)*Tstar_sph_33(m,n) / squarenorm_Tstar_sph Tstar_sph_33(k,l)*Tstar_sph_33(m,n) / squarenorm_Tstar_sph
forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt) & forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt) &
dLi_dTstar_3333(k,l,k,l) = dLi_dTstar_3333(k,l,k,l) + 1.0_pReal dLi_dTstar_3333(k,l,k,l) = dLi_dTstar_3333(k,l,k,l) + 1.0_pReal
dLi_dTstar_3333 = gamma_dot / param(instance)%fTaylor * & dLi_dTstar_3333 = gamma_dot / p%fTaylor * &
dLi_dTstar_3333 / norm_Tstar_sph dLi_dTstar_3333 / norm_Tstar_sph
else else
Li = 0.0_pReal Li = 0.0_pReal
@ -541,6 +550,7 @@ subroutine plastic_isotropic_dotState(Tstar_v,ipc,ip,el)
ipc, & !< component-ID of integration point ipc, & !< component-ID of integration point
ip, & !< integration point ip, & !< integration point
el !< element el !< element
type tParameters, pointer :: p
real(pReal), dimension(6) :: & real(pReal), dimension(6) :: &
Tstar_dev_v !< deviatoric 2nd Piola Kirchhoff stress tensor in Mandel notation Tstar_dev_v !< deviatoric 2nd Piola Kirchhoff stress tensor in Mandel notation
real(pReal) :: & real(pReal) :: &
@ -554,10 +564,11 @@ subroutine plastic_isotropic_dotState(Tstar_v,ipc,ip,el)
of = phasememberAt(ipc,ip,el) ! phasememberAt should be tackled by material and be renamed to material_phasemember of = phasememberAt(ipc,ip,el) ! phasememberAt should be tackled by material and be renamed to material_phasemember
instance = phase_plasticityInstance(material_phase(ipc,ip,el)) instance = phase_plasticityInstance(material_phase(ipc,ip,el))
p => param(instance)
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! norm of (deviatoric) 2nd Piola-Kirchhoff stress ! norm of (deviatoric) 2nd Piola-Kirchhoff stress
if (param(instance)%dilatation) then if (p%dilatation) then
norm_Tstar_v = sqrt(math_mul6x6(Tstar_v,Tstar_v)) norm_Tstar_v = sqrt(math_mul6x6(Tstar_v,Tstar_v))
else else
Tstar_dev_v(1:3) = Tstar_v(1:3) - sum(Tstar_v(1:3))/3.0_pReal Tstar_dev_v(1:3) = Tstar_v(1:3) - sum(Tstar_v(1:3))/3.0_pReal
@ -566,26 +577,26 @@ subroutine plastic_isotropic_dotState(Tstar_v,ipc,ip,el)
end if end if
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! strain rate ! strain rate
gamma_dot = param(instance)%gdot0 * ( sqrt(1.5_pReal) * norm_Tstar_v & gamma_dot = p%gdot0 * ( sqrt(1.5_pReal) * norm_Tstar_v &
/ &!----------------------------------------------------------------------------------- / &!-----------------------------------------------------------------------------------
(param(instance)%fTaylor*state(instance)%flowstress(of) ))**param(instance)%n (p%fTaylor*state(instance)%flowstress(of) ))**p%n
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! hardening coefficient ! hardening coefficient
if (abs(gamma_dot) > 1e-12_pReal) then if (abs(gamma_dot) > 1e-12_pReal) then
if (dEq0(param(instance)%tausat_SinhFitA)) then if (dEq0(p%tausat_SinhFitA)) then
saturation = param(instance)%tausat saturation = p%tausat
else else
saturation = param(instance)%tausat & saturation = p%tausat &
+ asinh( (gamma_dot / param(instance)%tausat_SinhFitA& + asinh( (gamma_dot / p%tausat_SinhFitA&
)**(1.0_pReal / param(instance)%tausat_SinhFitD)& )**(1.0_pReal / p%tausat_SinhFitD)&
)**(1.0_pReal / param(instance)%tausat_SinhFitC) & )**(1.0_pReal / p%tausat_SinhFitC) &
/ ( param(instance)%tausat_SinhFitB & / ( p%tausat_SinhFitB &
* (gamma_dot / param(instance)%gdot0)**(1.0_pReal / param(instance)%n) & * (gamma_dot / p%gdot0)**(1.0_pReal / p%n) &
) )
endif endif
hardening = ( param(instance)%h0 + param(instance)%h0_slopeLnRate * log(gamma_dot) ) & hardening = ( p%h0 + p%h0_slopeLnRate * log(gamma_dot) ) &
* abs( 1.0_pReal - state(instance)%flowstress(of)/saturation )**param(instance)%a & * abs( 1.0_pReal - state(instance)%flowstress(of)/saturation )**p%a &
* sign(1.0_pReal, 1.0_pReal - state(instance)%flowstress(of)/saturation) * sign(1.0_pReal, 1.0_pReal - state(instance)%flowstress(of)/saturation)
else else
hardening = 0.0_pReal hardening = 0.0_pReal
@ -614,6 +625,9 @@ function plastic_isotropic_postResults(Tstar_v,ipc,ip,el)
ipc, & !< component-ID of integration point ipc, & !< component-ID of integration point
ip, & !< integration point ip, & !< integration point
el !< element el !< element
type tParameters, pointer :: p
real(pReal), dimension(plastic_isotropic_sizePostResults(phase_plasticityInstance(material_phase(ipc,ip,el)))) :: & real(pReal), dimension(plastic_isotropic_sizePostResults(phase_plasticityInstance(material_phase(ipc,ip,el)))) :: &
plastic_isotropic_postResults plastic_isotropic_postResults
@ -629,10 +643,11 @@ function plastic_isotropic_postResults(Tstar_v,ipc,ip,el)
of = phasememberAt(ipc,ip,el) ! phasememberAt should be tackled by material and be renamed to material_phasemember of = phasememberAt(ipc,ip,el) ! phasememberAt should be tackled by material and be renamed to material_phasemember
instance = phase_plasticityInstance(material_phase(ipc,ip,el)) instance = phase_plasticityInstance(material_phase(ipc,ip,el))
p => param(instance)
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! norm of (deviatoric) 2nd Piola-Kirchhoff stress ! norm of (deviatoric) 2nd Piola-Kirchhoff stress
if (param(instance)%dilatation) then if (p%dilatation) then
norm_Tstar_v = sqrt(math_mul6x6(Tstar_v,Tstar_v)) norm_Tstar_v = sqrt(math_mul6x6(Tstar_v,Tstar_v))
else else
Tstar_dev_v(1:3) = Tstar_v(1:3) - sum(Tstar_v(1:3))/3.0_pReal Tstar_dev_v(1:3) = Tstar_v(1:3) - sum(Tstar_v(1:3))/3.0_pReal
@ -644,15 +659,15 @@ function plastic_isotropic_postResults(Tstar_v,ipc,ip,el)
plastic_isotropic_postResults = 0.0_pReal plastic_isotropic_postResults = 0.0_pReal
outputsLoop: do o = 1_pInt,plastic_isotropic_Noutput(instance) outputsLoop: do o = 1_pInt,plastic_isotropic_Noutput(instance)
select case(param(instance)%outputID(o)) select case(p%outputID(o))
case (flowstress_ID) case (flowstress_ID)
plastic_isotropic_postResults(c+1_pInt) = state(instance)%flowstress(of) plastic_isotropic_postResults(c+1_pInt) = state(instance)%flowstress(of)
c = c + 1_pInt c = c + 1_pInt
case (strainrate_ID) case (strainrate_ID)
plastic_isotropic_postResults(c+1_pInt) = & plastic_isotropic_postResults(c+1_pInt) = &
param(instance)%gdot0 * ( sqrt(1.5_pReal) * norm_Tstar_v & p%gdot0 * ( sqrt(1.5_pReal) * norm_Tstar_v &
/ &!---------------------------------------------------------------------------------- / &!----------------------------------------------------------------------------------
(param(instance)%fTaylor * state(instance)%flowstress(of)) ) ** param(instance)%n (p%fTaylor * state(instance)%flowstress(of)) ) ** p%n
c = c + 1_pInt c = c + 1_pInt
end select end select
enddo outputsLoop enddo outputsLoop