avoiding repeated reading of material.config

src/source_damage_anisoBrittle.f90

@@ -32,10 +32,7 @@ module source_damage_anisoBrittle
    source_damage_anisoBrittle_Ncleavage                                                                         !< number of cleavage systems per family
    
  real(pReal),                         dimension(:),           allocatable,         private :: &
-   source_damage_anisoBrittle_aTol, &
+   source_damage_anisoBrittle_sdot_0
-   source_damage_anisoBrittle_sdot_0, &
-   source_damage_anisoBrittle_N
-
  real(pReal),                         dimension(:,:),         allocatable,         private :: &
    source_damage_anisoBrittle_critDisp, &
    source_damage_anisoBrittle_critLoad
@@ -85,6 +82,8 @@ subroutine source_damage_anisoBrittle_init(fileUnit)
    compiler_version, &
    compiler_options
 #endif
+ use prec, only: &
+   pStringLen
  use debug, only: &
    debug_level,&
    debug_constitutive,&
@@ -128,9 +127,12 @@ subroutine source_damage_anisoBrittle_init(fileUnit)
  integer(pInt) :: sizeState, sizeDotState, sizeDeltaState
  integer(pInt) :: NofMyPhase,p   
  integer(pInt) :: Nchunks_CleavageFamilies = 0_pInt, j
+ character(len=pStringLen) :: &
+   extmsg = ''
  character(len=65536) :: &
    tag  = '', &
    line = ''
+ integer(pInt),          dimension(0), parameter :: emptyIntArray    = [integer(pInt)::]
 
  write(6,'(/,a)')   ' <<<+-  source_'//SOURCE_damage_anisoBrittle_LABEL//' init  -+>>>'
  write(6,'(a15,a)') ' Current time: ',IO_timeStamp()
@@ -163,12 +165,30 @@ subroutine source_damage_anisoBrittle_init(fileUnit)
  allocate(source_damage_anisoBrittle_critLoad(lattice_maxNcleavageFamily,Ninstance),  source=0.0_pReal) 
  allocate(source_damage_anisoBrittle_Ncleavage(lattice_maxNcleavageFamily,Ninstance), source=0_pInt)
  allocate(source_damage_anisoBrittle_totalNcleavage(Ninstance),                       source=0_pInt)
- allocate(source_damage_anisoBrittle_aTol(Ninstance),                                 source=0.0_pReal) 
  allocate(source_damage_anisoBrittle_sdot_0(Ninstance),                               source=0.0_pReal) 
- allocate(source_damage_anisoBrittle_N(Ninstance),                                    source=0.0_pReal) 
+
+ allocate(param(Ninstance))
  
  do p=1, size(config_phase)
-   if (all(phase_source(:,p) /= SOURCE_damage_anisoBrittle_ID)) cycle
+   if (all(phase_source(:,p) /= SOURCE_DAMAGE_ANISOBRITTLE_ID)) cycle
+   associate(prm => param(source_damage_anisoBrittle_instance(p)), &
+             config => config_phase(p))
+             
+   prm%aTol      = config%getFloat('anisobrittle_atol',defaultVal = 1.0e-3_pReal)
+
+   prm%N         = config%getFloat('anisobrittle_ratesensitivity')
+   prm%sdot_0    = config%getFloat('anisobrittle_sdot0')
+   
+   ! sanity checks
+   if (prm%aTol      < 0.0_pReal) extmsg = trim(extmsg)//' anisobrittle_atol'
+   
+   if (prm%N        <= 0.0_pReal) extmsg = trim(extmsg)//' anisobrittle_ratesensitivity'
+   if (prm%sdot_0   <= 0.0_pReal) extmsg = trim(extmsg)//' anisobrittle_sdot0'
+   
+   prm%Ncleavage = config%getInts('ncleavage',defaultVal=emptyIntArray)
+   
+   end associate
+   
  enddo
 
  rewind(fileUnit)
@@ -202,15 +222,9 @@ subroutine source_damage_anisoBrittle_init(fileUnit)
                                                        IO_lc(IO_stringValue(line,chunkPos,2_pInt))
           end select
          
-       case ('anisobrittle_atol')
-         source_damage_anisoBrittle_aTol(instance) = IO_floatValue(line,chunkPos,2_pInt)
-         
        case ('anisobrittle_sdot0')
          source_damage_anisoBrittle_sdot_0(instance) = IO_floatValue(line,chunkPos,2_pInt)
          
-       case ('anisobrittle_ratesensitivity')
-         source_damage_anisoBrittle_N(instance) = IO_floatValue(line,chunkPos,2_pInt)
-         
        case ('ncleavage')  !
          Nchunks_CleavageFamilies = chunkPos(1) - 1_pInt
          do j = 1_pInt, Nchunks_CleavageFamilies
@@ -240,16 +254,14 @@ subroutine source_damage_anisoBrittle_init(fileUnit)
        min(lattice_NcleavageSystem(1:lattice_maxNcleavageFamily,phase),&                            ! limit active cleavage systems per family to min of available and requested
            source_damage_anisoBrittle_Ncleavage(1:lattice_maxNcleavageFamily,instance))
      source_damage_anisoBrittle_totalNcleavage(instance)  = sum(source_damage_anisoBrittle_Ncleavage(:,instance)) ! how many cleavage systems altogether
-     if (source_damage_anisoBrittle_aTol(instance) < 0.0_pReal) &
+
-       source_damage_anisoBrittle_aTol(instance) = 1.0e-3_pReal                                     ! default absolute tolerance 1e-3
+
-     if (source_damage_anisoBrittle_sdot_0(instance) <= 0.0_pReal) &
-       call IO_error(211_pInt,el=instance,ext_msg='sdot_0 ('//SOURCE_damage_anisoBrittle_LABEL//')')
      if (any(source_damage_anisoBrittle_critDisp(1:Nchunks_CleavageFamilies,instance) < 0.0_pReal)) &
        call IO_error(211_pInt,el=instance,ext_msg='critical_displacement ('//SOURCE_damage_anisoBrittle_LABEL//')')
      if (any(source_damage_anisoBrittle_critLoad(1:Nchunks_CleavageFamilies,instance) < 0.0_pReal)) &
        call IO_error(211_pInt,el=instance,ext_msg='critical_load ('//SOURCE_damage_anisoBrittle_LABEL//')')
-     if (source_damage_anisoBrittle_N(instance) <= 0.0_pReal) &
+ 
-       call IO_error(211_pInt,el=instance,ext_msg='rate_sensitivity ('//SOURCE_damage_anisoBrittle_LABEL//')')
+       
    endif myPhase
  enddo sanityChecks
  
@@ -284,7 +296,7 @@ subroutine source_damage_anisoBrittle_init(fileUnit)
      sourceState(phase)%p(sourceOffset)%sizeDeltaState = sizeDeltaState
      sourceState(phase)%p(sourceOffset)%sizePostResults = source_damage_anisoBrittle_sizePostResults(instance)
      allocate(sourceState(phase)%p(sourceOffset)%aTolState           (sizeState),                &
-              source=source_damage_anisoBrittle_aTol(instance))
+              source=param(instance)%aTol)
      allocate(sourceState(phase)%p(sourceOffset)%state0              (sizeState,NofMyPhase),     source=0.0_pReal)
      allocate(sourceState(phase)%p(sourceOffset)%partionedState0     (sizeState,NofMyPhase),     source=0.0_pReal)
      allocate(sourceState(phase)%p(sourceOffset)%subState0           (sizeState,NofMyPhase),     source=0.0_pReal)
@@ -350,8 +362,8 @@ subroutine source_damage_anisoBrittle_dotState(S, ipc, ip, el)
  
  sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = 0.0_pReal
  do f = 1_pInt,lattice_maxNcleavageFamily
-   index_myFamily = sum(lattice_NcleavageSystem(1:f-1_pInt,phase))                                    ! at which index starts my family
+   index_myFamily = sum(lattice_NcleavageSystem(1:f-1_pInt,phase))                                  ! at which index starts my family
-   do i = 1_pInt,source_damage_anisoBrittle_Ncleavage(f,instance)                                     ! process each (active) cleavage system in family
+   do i = 1_pInt,source_damage_anisoBrittle_Ncleavage(f,instance)                                   ! process each (active) cleavage system in family
      traction_d    = math_mul33xx33(S,lattice_Scleavage(1:3,1:3,1,index_myFamily+i,phase))
      traction_t    = math_mul33xx33(S,lattice_Scleavage(1:3,1:3,2,index_myFamily+i,phase))
      traction_n    = math_mul33xx33(S,lattice_Scleavage(1:3,1:3,3,index_myFamily+i,phase))
@@ -361,9 +373,9 @@ subroutine source_damage_anisoBrittle_dotState(S, ipc, ip, el)
      sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = &
        sourceState(phase)%p(sourceOffset)%dotState(1,constituent) + &
        source_damage_anisoBrittle_sdot_0(instance)* &
-       ((max(0.0_pReal, abs(traction_d) - traction_crit)/traction_crit)**source_damage_anisoBrittle_N(instance) + &
+       ((max(0.0_pReal, abs(traction_d) - traction_crit)/traction_crit)**param(instance)%N + &
-        (max(0.0_pReal, abs(traction_t) - traction_crit)/traction_crit)**source_damage_anisoBrittle_N(instance) + &
+        (max(0.0_pReal, abs(traction_t) - traction_crit)/traction_crit)**param(instance)%N + &
-        (max(0.0_pReal, abs(traction_n) - traction_crit)/traction_crit)**source_damage_anisoBrittle_N(instance))/ &
+        (max(0.0_pReal, abs(traction_n) - traction_crit)/traction_crit)**param(instance)%N)/ &
        source_damage_anisoBrittle_critDisp(f,instance)
 
    enddo

src/source_damage_anisoDuctile.f90

@@ -31,15 +31,11 @@ module source_damage_anisoDuctile
  integer(pInt),                       dimension(:,:),         allocatable,         private :: &
    source_damage_anisoDuctile_Nslip                                                                         !< number of slip systems per family
    
- real(pReal),                         dimension(:),           allocatable,         private :: &
-   source_damage_anisoDuctile_aTol
-
  real(pReal),                         dimension(:,:),         allocatable,         private :: &
    source_damage_anisoDuctile_critPlasticStrain
 
  real(pReal),                         dimension(:),           allocatable,         private :: &
-   source_damage_anisoDuctile_sdot_0, &
+   source_damage_anisoDuctile_sdot_0
-   source_damage_anisoDuctile_N
 
  real(pReal),                         dimension(:,:),         allocatable,         private :: &
    source_damage_anisoDuctile_critLoad
@@ -89,6 +85,8 @@ subroutine source_damage_anisoDuctile_init(fileUnit)
    compiler_version, &
    compiler_options
 #endif
+ use prec, only: &
+   pStringLen
  use debug, only: &
    debug_level,&
    debug_constitutive,&
@@ -132,9 +130,12 @@ subroutine source_damage_anisoDuctile_init(fileUnit)
  integer(pInt) :: sizeState, sizeDotState, sizeDeltaState
  integer(pInt) :: NofMyPhase,p   
  integer(pInt) :: Nchunks_SlipFamilies = 0_pInt, j   
+ character(len=pStringLen) :: &
+   extmsg = ''
  character(len=65536) :: &
    tag  = '', &
    line = ''
+ integer(pInt),          dimension(0), parameter :: emptyIntArray    = [integer(pInt)::]
 
  write(6,'(/,a)')   ' <<<+-  source_'//SOURCE_damage_anisoDuctile_LABEL//' init  -+>>>'
  write(6,'(a15,a)') ' Current time: ',IO_timeStamp()
@@ -167,12 +168,30 @@ subroutine source_damage_anisoDuctile_init(fileUnit)
  allocate(source_damage_anisoDuctile_critPlasticStrain(lattice_maxNslipFamily,Ninstance),source=0.0_pReal) 
  allocate(source_damage_anisoDuctile_Nslip(lattice_maxNslipFamily,Ninstance),        source=0_pInt)
  allocate(source_damage_anisoDuctile_totalNslip(Ninstance),                          source=0_pInt) 
- allocate(source_damage_anisoDuctile_N(Ninstance),                                   source=0.0_pReal) 
  allocate(source_damage_anisoDuctile_sdot_0(Ninstance),                              source=0.0_pReal) 
- allocate(source_damage_anisoDuctile_aTol(Ninstance),                                source=0.0_pReal) 
+
+ allocate(param(Ninstance))
  
  do p=1, size(config_phase)
-   if (all(phase_source(:,p) /= SOURCE_damage_anisoDuctile_ID)) cycle
+   if (all(phase_source(:,p) /= SOURCE_DAMAGE_ANISODUCTILE_ID)) cycle
+   associate(prm => param(source_damage_anisoDuctile_instance(p)), &
+             config => config_phase(p))
+             
+   prm%aTol   = config%getFloat('anisoductile_atol',defaultVal = 1.0e-3_pReal)
+
+   prm%N      = config%getFloat('anisoductile_ratesensitivity')
+   prm%sdot_0 = config%getFloat('anisoductile_sdot0')
+   
+   ! sanity checks
+   if (prm%aTol                 < 0.0_pReal) extmsg = trim(extmsg)//' anisoductile_atol'
+   
+   if (prm%N                   <= 0.0_pReal) extmsg = trim(extmsg)//' anisoductile_ratesensitivity'
+   if (prm%sdot_0              <= 0.0_pReal) extmsg = trim(extmsg)//' anisoductile_sdot0'
+   
+   prm%Nslip  = config%getInts('nslip',defaultVal=emptyIntArray)
+   
+   end associate
+   
  enddo
 
  rewind(fileUnit)
@@ -206,9 +225,6 @@ subroutine source_damage_anisoDuctile_init(fileUnit)
                                                        IO_lc(IO_stringValue(line,chunkPos,2_pInt))
           end select
          
-       case ('anisoductile_atol')
-         source_damage_anisoDuctile_aTol(instance) = IO_floatValue(line,chunkPos,2_pInt)
-         
        case ('nslip')  !
          Nchunks_SlipFamilies = chunkPos(1) - 1_pInt
          do j = 1_pInt, Nchunks_SlipFamilies
@@ -223,9 +239,6 @@ subroutine source_damage_anisoDuctile_init(fileUnit)
            source_damage_anisoDuctile_critPlasticStrain(j,instance) = IO_floatValue(line,chunkPos,1_pInt+j)
          enddo
 
-       case ('anisoductile_ratesensitivity')
-         source_damage_anisoDuctile_N(instance) = IO_floatValue(line,chunkPos,2_pInt)
-
        case ('anisoductile_criticalload')
          do j = 1_pInt, Nchunks_SlipFamilies
            source_damage_anisoDuctile_critLoad(j,instance) = IO_floatValue(line,chunkPos,1_pInt+j)
@@ -244,14 +257,10 @@ subroutine source_damage_anisoDuctile_init(fileUnit)
        min(lattice_NslipSystem(1:lattice_maxNslipFamily,phase),&                                    ! limit active cleavage systems per family to min of available and requested
            source_damage_anisoDuctile_Nslip(1:lattice_maxNslipFamily,instance))
          source_damage_anisoDuctile_totalNslip(instance) = sum(source_damage_anisoDuctile_Nslip(:,instance))
-     if (source_damage_anisoDuctile_aTol(instance) < 0.0_pReal) &
+
-       source_damage_anisoDuctile_aTol(instance) = 1.0e-3_pReal                                     ! default absolute tolerance 1e-3
-     if (source_damage_anisoDuctile_sdot_0(instance) <= 0.0_pReal) &
-       call IO_error(211_pInt,el=instance,ext_msg='sdot_0 ('//SOURCE_damage_anisoDuctile_LABEL//')')
      if (any(source_damage_anisoDuctile_critPlasticStrain(:,instance) < 0.0_pReal)) &
        call IO_error(211_pInt,el=instance,ext_msg='criticaPlasticStrain ('//SOURCE_damage_anisoDuctile_LABEL//')')
-     if (source_damage_anisoDuctile_N(instance) <= 0.0_pReal) &
+
-       call IO_error(211_pInt,el=instance,ext_msg='rate_sensitivity ('//SOURCE_damage_anisoDuctile_LABEL//')')
    endif myPhase
  enddo sanityChecks
   
@@ -286,7 +295,7 @@ subroutine source_damage_anisoDuctile_init(fileUnit)
      sourceState(phase)%p(sourceOffset)%sizeDeltaState = sizeDeltaState
      sourceState(phase)%p(sourceOffset)%sizePostResults = source_damage_anisoDuctile_sizePostResults(instance)
      allocate(sourceState(phase)%p(sourceOffset)%aTolState           (sizeState),                &
-              source=source_damage_anisoDuctile_aTol(instance))
+              source=param(instance)%aTol)
      allocate(sourceState(phase)%p(sourceOffset)%state0              (sizeState,NofMyPhase),     source=0.0_pReal)
      allocate(sourceState(phase)%p(sourceOffset)%partionedState0     (sizeState,NofMyPhase),     source=0.0_pReal)
      allocate(sourceState(phase)%p(sourceOffset)%subState0           (sizeState,NofMyPhase),     source=0.0_pReal)
@@ -349,7 +358,7 @@ subroutine source_damage_anisoDuctile_dotState(ipc, ip, el)
      sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = &
        sourceState(phase)%p(sourceOffset)%dotState(1,constituent) + &
        plasticState(phase)%slipRate(index,constituent)/ &
-       ((damage(homog)%p(damageOffset))**source_damage_anisoDuctile_N(instance))/ & 
+       ((damage(homog)%p(damageOffset))**param(instance)%N)/ & 
        source_damage_anisoDuctile_critPlasticStrain(f,instance) 
      
      index = index + 1_pInt

src/source_damage_isoBrittle.f90

@@ -26,8 +26,6 @@ module source_damage_isoBrittle
    source_damage_isoBrittle_Noutput                                                                   !< number of outputs per instance of this damage 
 
  real(pReal),                         dimension(:),     allocatable,         private :: &
-   source_damage_isoBrittle_aTol, &
-   source_damage_isoBrittle_N, &
    source_damage_isoBrittle_critStrainEnergy
 
  enum, bind(c) 
@@ -68,6 +66,8 @@ subroutine source_damage_isoBrittle_init(fileUnit)
    compiler_version, &
    compiler_options
 #endif
+ use prec, only: &
+   pStringLen
  use debug, only: &
    debug_level,&
    debug_constitutive,&
@@ -107,6 +107,8 @@ subroutine source_damage_isoBrittle_init(fileUnit)
  integer(pInt) :: Ninstance,mySize=0_pInt,phase,instance,source,sourceOffset,o
  integer(pInt) :: sizeState, sizeDotState, sizeDeltaState
  integer(pInt) :: NofMyPhase,p   
+ character(len=pStringLen) :: &
+   extmsg = ''
  character(len=65536) :: &
    tag  = '', &
    line = ''
@@ -139,11 +141,27 @@ subroutine source_damage_isoBrittle_init(fileUnit)
  allocate(source_damage_isoBrittle_Noutput(Ninstance),                             source=0_pInt)
 
  allocate(source_damage_isoBrittle_critStrainEnergy(Ninstance),                    source=0.0_pReal) 
- allocate(source_damage_isoBrittle_N(Ninstance),                                   source=1.0_pReal) 
+
- allocate(source_damage_isoBrittle_aTol(Ninstance),                                source=0.0_pReal) 
+ allocate(param(Ninstance))
  
  do p=1, size(config_phase)
-   if (all(phase_source(:,p) /= SOURCE_damage_isoBrittle_ID)) cycle
+   if (all(phase_source(:,p) /= SOURCE_DAMAGE_ISOBRITTLE_ID)) cycle
+   associate(prm => param(source_damage_isoBrittle_instance(p)), &
+             config => config_phase(p))
+             
+   prm%aTol             = config%getFloat('isobrittle_atol',defaultVal = 1.0e-3_pReal)
+   
+   prm%N                = config%getFloat('isobrittle_n')
+   prm%critStrainEnergy = config%getFloat('isobrittle_criticalstrainenergy')
+   
+   ! sanity checks
+   if (prm%aTol                < 0.0_pReal) extmsg = trim(extmsg)//' isobrittle_atol'
+   
+   if (prm%N                  <= 0.0_pReal) extmsg = trim(extmsg)//' isobrittle_n'
+   if (prm%critStrainEnergy   <= 0.0_pReal) extmsg = trim(extmsg)//' isobrittle_criticalstrainenergy'
+   
+   end associate
+   
  enddo
 
  rewind(fileUnit)
@@ -180,29 +198,11 @@ subroutine source_damage_isoBrittle_init(fileUnit)
        case ('isobrittle_criticalstrainenergy')
          source_damage_isoBrittle_critStrainEnergy(instance) = IO_floatValue(line,chunkPos,2_pInt)
 
-       case ('isobrittle_n')
-         source_damage_isoBrittle_N(instance) = IO_floatValue(line,chunkPos,2_pInt)
-
-       case ('isobrittle_atol')
-         source_damage_isoBrittle_aTol(instance) = IO_floatValue(line,chunkPos,2_pInt)
-
      end select
    endif; endif
  enddo parsingFile
 
 
-!--------------------------------------------------------------------------------------------------
-!  sanity checks
- sanityChecks: do phase = 1_pInt, material_Nphase 
-   myPhase: if (any(phase_source(:,phase) == SOURCE_damage_isoBrittle_ID)) then
-     instance = source_damage_isoBrittle_instance(phase)
-     if (source_damage_isoBrittle_aTol(instance) < 0.0_pReal) &
-       source_damage_isoBrittle_aTol(instance) = 1.0e-3_pReal                                              ! default absolute tolerance 1e-3
-     if (source_damage_isoBrittle_critStrainEnergy(instance) <= 0.0_pReal) &
-       call IO_error(211_pInt,el=instance,ext_msg='criticalStrainEnergy ('//SOURCE_damage_isoBrittle_LABEL//')')
-   endif myPhase
- enddo sanityChecks
-
  initializeInstances: do phase = 1_pInt, material_Nphase
    if (any(phase_source(:,phase) == SOURCE_damage_isoBrittle_ID)) then
      NofMyPhase=count(material_phase==phase)
@@ -231,7 +231,7 @@ subroutine source_damage_isoBrittle_init(fileUnit)
      sourceState(phase)%p(sourceOffset)%sizeDeltaState = sizeDeltaState
      sourceState(phase)%p(sourceOffset)%sizePostResults = source_damage_isoBrittle_sizePostResults(instance)
      allocate(sourceState(phase)%p(sourceOffset)%aTolState           (sizeState),                &
-              source=source_damage_isoBrittle_aTol(instance))
+              source=param(instance)%aTol)
      allocate(sourceState(phase)%p(sourceOffset)%state0              (sizeState,NofMyPhase),     source=.0_pReal)
      allocate(sourceState(phase)%p(sourceOffset)%partionedState0     (sizeState,NofMyPhase),     source=0.0_pReal)
      allocate(sourceState(phase)%p(sourceOffset)%subState0           (sizeState,NofMyPhase),     source=0.0_pReal)
@@ -330,10 +330,10 @@ subroutine source_damage_isoBrittle_getRateAndItsTangent(localphiDot, dLocalphiD
  instance = source_damage_isoBrittle_instance(phase)
  sourceOffset = source_damage_isoBrittle_offset(phase)
  
- localphiDot = (1.0_pReal - phi)**(source_damage_isoBrittle_N(instance) - 1.0_pReal) - &
+ localphiDot = (1.0_pReal - phi)**(param(instance)%N - 1.0_pReal) - &
                phi*sourceState(phase)%p(sourceOffset)%state(1,constituent)
- dLocalphiDot_dPhi = - (source_damage_isoBrittle_N(instance) - 1.0_pReal)* &
+ dLocalphiDot_dPhi = - (param(instance)%N - 1.0_pReal)* &
-                       (1.0_pReal - phi)**max(0.0_pReal,source_damage_isoBrittle_N(instance) - 2.0_pReal) &
+                       (1.0_pReal - phi)**max(0.0_pReal,param(instance)%N - 2.0_pReal) &
                      - sourceState(phase)%p(sourceOffset)%state(1,constituent)
  
 end subroutine source_damage_isoBrittle_getRateAndItsTangent

src/source_damage_isoDuctile.f90

@@ -26,9 +26,7 @@ module source_damage_isoDuctile
    source_damage_isoDuctile_Noutput                                                                   !< number of outputs per instance of this damage 
 
  real(pReal),                         dimension(:),     allocatable,         private :: &
-   source_damage_isoDuctile_aTol, &
+   source_damage_isoDuctile_critPlasticStrain
-   source_damage_isoDuctile_critPlasticStrain, &
-   source_damage_isoDuctile_N
 
  enum, bind(c) 
    enumerator :: undefined_ID, &
@@ -68,6 +66,8 @@ subroutine source_damage_isoDuctile_init(fileUnit)
    compiler_version, &
    compiler_options
 #endif
+ use prec, only: &
+   pStringLen
  use debug, only: &
    debug_level,&
    debug_constitutive,&
@@ -108,6 +108,8 @@ subroutine source_damage_isoDuctile_init(fileUnit)
  integer(pInt) :: Ninstance,mySize=0_pInt,phase,instance,source,sourceOffset,o
  integer(pInt) :: sizeState, sizeDotState, sizeDeltaState
  integer(pInt) :: NofMyPhase,p   
+ character(len=pStringLen) :: &
+   extmsg = ''
  character(len=65536) :: &
    tag  = '', &
    line = ''
@@ -140,11 +142,27 @@ subroutine source_damage_isoDuctile_init(fileUnit)
  allocate(source_damage_isoDuctile_Noutput(Ninstance),                             source=0_pInt)
 
  allocate(source_damage_isoDuctile_critPlasticStrain(Ninstance),                     source=0.0_pReal) 
- allocate(source_damage_isoDuctile_N(Ninstance),                                     source=0.0_pReal) 
+
- allocate(source_damage_isoDuctile_aTol(Ninstance),                                source=0.0_pReal) 
+ allocate(param(Ninstance))
  
  do p=1, size(config_phase)
-   if (all(phase_source(:,p) /= SOURCE_damage_isoDuctile_ID)) cycle
+   if (all(phase_source(:,p) /= SOURCE_DAMAGE_ISODUCTILE_ID)) cycle
+   associate(prm => param(source_damage_isoDuctile_instance(p)), &
+             config => config_phase(p))
+             
+   prm%aTol              = config%getFloat('isoductile_atol',defaultVal = 1.0e-3_pReal)
+
+   prm%N                 = config%getFloat('isoductile_ratesensitivity')
+   prm%critPlasticStrain = config%getFloat('isoductile_criticalplasticstrain')
+   
+   ! sanity checks
+   if (prm%aTol                 < 0.0_pReal) extmsg = trim(extmsg)//' isoductile_atol'
+   
+   if (prm%N                   <= 0.0_pReal) extmsg = trim(extmsg)//' isoductile_ratesensitivity'
+   if (prm%critPlasticStrain   <= 0.0_pReal) extmsg = trim(extmsg)//' isoductile_criticalplasticstrain'
+
+   end associate
+   
  enddo
 
  rewind(fileUnit)
@@ -181,29 +199,10 @@ subroutine source_damage_isoDuctile_init(fileUnit)
        case ('isoductile_criticalplasticstrain')
          source_damage_isoDuctile_critPlasticStrain(instance) = IO_floatValue(line,chunkPos,2_pInt)
 
-       case ('isoductile_ratesensitivity')
-         source_damage_isoDuctile_N(instance) = IO_floatValue(line,chunkPos,2_pInt)
-
-       case ('isoductile_atol')
-         source_damage_isoDuctile_aTol(instance) = IO_floatValue(line,chunkPos,2_pInt)
-
      end select
    endif; endif
  enddo parsingFile
 
-
-!--------------------------------------------------------------------------------------------------
-!  sanity checks
- sanityChecks: do phase = 1_pInt, material_Nphase 
-   myPhase: if (any(phase_source(:,phase) == SOURCE_damage_isoDuctile_ID)) then
-     instance = source_damage_isoDuctile_instance(phase)
-     if (source_damage_isoDuctile_aTol(instance) < 0.0_pReal) &
-       source_damage_isoDuctile_aTol(instance) = 1.0e-3_pReal                                              ! default absolute tolerance 1e-3
-     if (source_damage_isoDuctile_critPlasticStrain(instance) <= 0.0_pReal) &
-       call IO_error(211_pInt,el=instance,ext_msg='critical plastic strain ('//SOURCE_damage_isoDuctile_LABEL//')')
-   endif myPhase
- enddo sanityChecks
-
  initializeInstances: do phase = 1_pInt, material_Nphase
    if (any(phase_source(:,phase) == SOURCE_damage_isoDuctile_ID)) then
      NofMyPhase=count(material_phase==phase)
@@ -232,7 +231,7 @@ subroutine source_damage_isoDuctile_init(fileUnit)
      sourceState(phase)%p(sourceOffset)%sizeDeltaState = sizeDeltaState
      sourceState(phase)%p(sourceOffset)%sizePostResults = source_damage_isoDuctile_sizePostResults(instance)
      allocate(sourceState(phase)%p(sourceOffset)%aTolState           (sizeState),                &
-              source=source_damage_isoDuctile_aTol(instance))
+              source=param(instance)%aTol)
      allocate(sourceState(phase)%p(sourceOffset)%state0              (sizeState,NofMyPhase),     source=.0_pReal)
      allocate(sourceState(phase)%p(sourceOffset)%partionedState0     (sizeState,NofMyPhase),     source=0.0_pReal)
      allocate(sourceState(phase)%p(sourceOffset)%subState0           (sizeState,NofMyPhase),     source=0.0_pReal)
@@ -283,7 +282,7 @@ subroutine source_damage_isoDuctile_dotState(ipc, ip, el)
 
  sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = &
    sum(plasticState(phase)%slipRate(:,constituent))/ &
-   ((damage(homog)%p(damageOffset))**source_damage_isoDuctile_N(instance))/ & 
+   ((damage(homog)%p(damageOffset))**param(instance)%N)/ & 
    source_damage_isoDuctile_critPlasticStrain(instance) 
 
 end subroutine source_damage_isoDuctile_dotState