276 lines
9.9 KiB
Fortran
276 lines
9.9 KiB
Fortran
!* $Id$
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!********************************************************************
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! Material subroutine for Abaqus
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!
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! written by P. Eisenlohr,
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! F. Roters,
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! K. Janssens
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!
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! MPI fuer Eisenforschung, Duesseldorf
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! PSI, Switzerland
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!
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! REMARK: change compile command to include the switch
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! "-free" in "abaqus_v6.env"
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!
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!********************************************************************
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MODULE cpfem_interface
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character(len=64), parameter :: FEsolver = 'Abaqus'
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CONTAINS
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subroutine mpie_cpfem_init ()
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!$OMP CRITICAL (write2out)
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write(6,*)
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write(6,*) '<<<+- mpie_cpfem_abaqus init -+>>>'
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write(6,*) '$Id$'
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write(6,*)
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call flush(6)
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!$OMP END CRITICAL (write2out)
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return
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end subroutine
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END MODULE
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include "prec.f90" ! uses nothing else
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include "IO.f90" ! uses prec
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include "numerics.f90" ! uses prec, IO
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include "math.f90" ! uses prec, numerics
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include "debug.f90" ! uses prec, numerics
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include "FEsolving.f90" ! uses prec, IO
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include "mesh.f90" ! uses prec, math, IO, FEsolving
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include "material.f90" ! uses prec, math, IO, mesh
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include "lattice.f90" ! uses prec, math, IO, material
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include "constitutive_phenopowerlaw.f90" ! uses prec, math, IO, latt ice, material, debug
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include "constitutive_j2.f90" ! uses prec, math, IO, latt ice, material, debug
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include "constitutive_dislotwin.f90" ! uses prec, math, IO, latt ice, material, debug
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include "constitutive_nonlocal.f90" ! uses prec, math, IO, latt ice, material, debug
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include "constitutive.f90" ! uses prec, IO, math, lattice, mesh, debug
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include "crystallite.f90" ! uses prec, math, IO, numerics
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include "homogenization_isostrain.f90" ! uses prec, math, IO,
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include "homogenization_RGC.f90" ! uses prec, math, IO, numerics, mesh: added <<<updated 31.07.2009>>>
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include "homogenization.f90" ! uses prec, math, IO, numerics
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include "CPFEM.f90" ! uses prec, math, IO, numerics, debug, FEsolving, mesh, lattice, constitutive, crystallite
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subroutine UMAT(STRESS,STATEV,DDSDDE,SSE,SPD,SCD,&
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RPL,DDSDDT,DRPLDE,DRPLDT,STRAN,DSTRAN,&
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TIME,DTIME,TEMP,DTEMP,PREDEF,DPRED,CMNAME,NDI,NSHR,NTENS,&
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NSTATV,PROPS,NPROPS,COORDS,DROT,PNEWDT,CELENT,&
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DFGRD0,DFGRD1,NOEL,NPT,KSLAY,KSPT,KSTEP,KINC)
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use prec, only: pReal, &
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pInt
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use FEsolving, only: cycleCounter, &
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theInc, &
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cutBack, &
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calcMode, &
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lastMode, &
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theTime, &
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theDelta, &
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lastIncConverged, &
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outdatedByNewInc, &
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outdatedFFN1, &
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terminallyIll, &
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symmetricSolver
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use math, only: invnrmMandel
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use debug, only: debug_info, &
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debug_reset
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use mesh, only: mesh_FEasCP
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use CPFEM, only: CPFEM_general,CPFEM_init_done
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use homogenization, only: materialpoint_sizeResults, materialpoint_results
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implicit none
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CHARACTER*80 CMNAME
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integer(pInt) ndi, nshr, ntens, nstatv, nprops, noel, npt,&
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kslay, kspt, kstep, kinc
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real(pReal) STRESS(NTENS),STATEV(NSTATV),&
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DDSDDE(NTENS,NTENS),DDSDDT(NTENS),DRPLDE(NTENS),&
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STRAN(NTENS),DSTRAN(NTENS),TIME(2),PREDEF(1),DPRED(1),&
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PROPS(NPROPS),COORDS(3),DROT(3,3),&
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DFGRD0(3,3),DFGRD1(3,3)
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real(pReal) SSE, SPD, SCD, RPL, DRPLDT, DTIME, TEMP,&
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DTEMP, PNEWDT, CELENT
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! local variables
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real(pReal), dimension(6) :: stress_h
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real(pReal), dimension(6,6) :: ddsdde_h
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integer(pInt) computationMode, i, cp_en
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if (noel == 1 .and. npt == 1) then
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!$OMP CRITICAL (write2out)
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write(6,*) 'el',noel,'ip',npt
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write(6,*) 'got kinc as',kinc
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write(6,*) 'got dStran',dstran
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call flush(6)
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!$OMP END CRITICAL (write2out)
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endif
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if ( .not. CPFEM_init_done ) then
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computationMode = 2 ! calc + init
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!$OMP CRITICAL (write2out)
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write(6,'(i6,x,i2,x,a)') noel,npt,'first call special case..!'; call flush(6)
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!$OMP END CRITICAL (write2out)
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else
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cp_en = mesh_FEasCP('elem',noel)
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if (theTime < time(2) .or. theInc /= kinc) then ! reached convergence
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lastIncConverged = .true.
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outdatedByNewInc = .true.
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terminallyIll = .false.
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cycleCounter = 0
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!$OMP CRITICAL (write2out)
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write (6,'(i6,x,i2,x,a)') noel,npt,'lastIncConverged + outdated'; call flush(6)
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!$OMP END CRITICAL (write2out)
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endif
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if ( dtime < theDelta ) then ! cutBack
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calcMode = .true. ! pretend last step was calculation
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cutBack = .true.
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terminallyIll = .false.
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cycleCounter = 0
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!$OMP CRITICAL (write2out)
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write(6,'(i6,x,i2,x,a)') noel,npt,'cutback detected..!'; call flush(6)
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!$OMP END CRITICAL (write2out)
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endif
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calcMode(npt,cp_en) = .not. calcMode(npt,cp_en) ! ping pong (calc <--> collect)
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if ( calcMode(npt,cp_en) ) then ! now calc
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if ( lastMode .ne. calcMode(npt,cp_en) ) then ! first after ping pong
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call debug_reset() ! resets debugging
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outdatedFFN1 = .false.
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cycleCounter = cycleCounter + 1
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endif
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if ( outdatedByNewInc ) then
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outdatedByNewInc = .false.
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computationMode = 1 ! calc and age results
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else
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computationMode = 2 ! plain calc
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endif
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else ! now collect
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if ( lastMode .ne. calcMode(npt,cp_en) ) call debug_info() ! first after ping pong reports debugging
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if ( lastIncConverged ) then
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lastIncConverged = .false.
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computationMode = 4 ! collect and backup Jacobian after convergence
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elseif ( cutBack ) then
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cutBack = .false.
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computationMode = 5 ! collect and restore Jacobian after cutback
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else
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computationMode = 3 ! plain collect
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endif
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endif
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endif
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theTime = time(2) ! record current starting time
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theDelta = dtime ! record current time increment
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theInc = kinc ! record current increment number
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if (CPFEM_init_done) lastMode = calcMode(npt,cp_en) ! record calculationMode
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!$OMP CRITICAL (write2out)
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write(6,'(a16,x,i2,x,a,i5,a,i5,x,i5,a)') 'computationMode',computationMode,'(',cp_en,':',noel,npt,')'; call flush(6)
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!$OMP END CRITICAL (write2out)
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call CPFEM_general(computationMode,dfgrd0,dfgrd1,temp,dtime,noel,npt,stress,ddsdde,ntens)
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! Mandel: 11, 22, 33, SQRT(2)*12, SQRT(2)*23, SQRT(2)*13
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! straight: 11, 22, 33, 12, 23, 13
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forall(i=1:ntens) ddsdde(1:ntens,i) = invnrmMandel(i)*ddsdde(1:ntens,i)*invnrmMandel(1:ntens)
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stress(1:ntens) = stress(1:ntens)*invnrmMandel(1:ntens)
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if(symmetricSolver) ddsdde(1:ntens,1:ntens) = 0.5_pReal*(ddsdde(1:ntens,1:ntens) + transpose(ddsdde(1:ntens,1:ntens)))
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! ABAQUS: 11, 22, 33, 12, 13, 23
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if(ntens == 6) then
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stress_h=stress
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stress(5)=stress_h(6)
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stress(6)=stress_h(5)
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ddsdde_h=ddsdde
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ddsdde(:,5)=ddsdde_h(:,6)
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ddsdde(:,6)=ddsdde_h(:,5)
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ddsdde_h=ddsdde
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ddsdde(5,:)=ddsdde_h(6,:)
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ddsdde(6,:)=ddsdde_h(5,:)
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end if
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statev = materialpoint_results(1:min(nstatv,materialpoint_sizeResults),npt,mesh_FEasCP('elem', noel))
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if ( terminallyIll ) pnewdt = 0.5_pReal ! force cutback directly ?
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return
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end subroutine
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!********************************************************************
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! This subroutine replaces the corresponding Marc subroutine
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!********************************************************************
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subroutine quit(mpie_error)
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use prec, only: pReal, &
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pInt
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implicit none
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integer(pInt) mpie_error
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call xit
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end subroutine
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!############################################################################
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!
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! include "KJ_Disp.f"
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subroutine disp(u,kstep,kinc,time,node,noel,jdof,coords)
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! hardwired aba_param.inc
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implicit real*8(a-h,o-z)
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parameter (nprecd=2)
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!
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dimension u(3),time(2), coords(3)
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real ktime,ktcl,ktmax,ktmin,ktdeltaup,ktdeltadown
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real klmin,klmax,kldelta,klbegincycle
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real kdeltau, kru, kret
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! When using stdb_abqerr for debugging
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! dimension intv(2),realv(4)
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! character*8 charv(1)
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! ratchet displacement per cycle
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kru = 0.1
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! ratcheting ends at time kret
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kret = 400.
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! displacement amplitude
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kdeltau = 0.5
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! time cycle length:
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ktcl = 4.
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ktmax = ktcl/4
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ktmin = 3.*ktmax
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ktdeltadown = ktmin - ktmax
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ktdeltaup = ktcl - ktdeltadown
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! load minimum & maximum:
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klmin = -kdeltau
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klmax = kdeltau
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kldelta = klmax - klmin
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klbegincycle = klmin + kldelta * (ktcl-ktmin) / ktdeltaup
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! load as a function of (total time); trianglar loading cycle
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ktime = time(2)
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kru = kru * MIN(kret, ktime) / ktcl
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if ( ktime .lt. ktmax ) then
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! special case for path to first maximum
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u(1) = kru + (ktime/ktmax) * klmax
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else
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do while ( ktime .ge. ktcl )
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ktime = ktime - ktcl
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end do
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if ( ktime .le. ktmax ) then
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u(1) = kru + klbegincycle + ktime * (klmax-klbegincycle) / ktmax
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else if ( ktime .lt. ktmin ) then
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u(1) = kru + klmax - (ktime-ktmax) * kldelta / (ktmin-ktmax)
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else
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u(1) = kru + klmin + (ktime-ktmin) * (klbegincycle-klmin)/(ktcl-ktmin)
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end if
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endif
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return
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end
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!
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