!############################################################## MODULE mesh !############################################################## use prec, only: pReal,pInt implicit none ! --------------------------- ! _Nelems : total number of elements in mesh ! _NcpElems : total number of CP elements in mesh ! _NelemTypes: total number of element types in mesh ! _Nnodes : total number of nodes in mesh ! _maxNnodes : max number of nodes in any element ! _maxNips : max number of IPs in any element ! _maxNsharedElems : max number of elements sharing a node ! ! _element : FEid, type, material, texture, node indices ! _node : x,y,z coordinates (initially!) ! _sharedElem : entryCount and list of elements containing node ! ! _mapFEtoCPelem : [sorted FEid, corresponding CPid] ! _mapFEtoCPnode : [sorted FEid, corresponding CPid] ! ! MISSING: these definitions should actually reside in the ! FE-solver specific part (different for MARC/ABAQUS)..! ! Hence, I suggest to prefix with "FE_" ! ! _mapElementtype : map MARC/ABAQUS elemtype to 1-maxN ! ! _Nnodes : # nodes in a specific type of element ! _Nips : # IPs in a specific type of element ! _NipNeighbors : # IP neighbors in a specific type of element ! _ipNeighbor : +x,-x,+y,-y,+z,-z list of intra-element IPs and ! (negative) neighbor faces per own IP in a specific type of element ! _NfaceNodes : # nodes per face in a specific type of element ! _nodeOnFace : list of node indices on each face of a specific type of element ! _ipAtNode : map node index to IP index in a specific type of element ! _nodeAtIP : map IP index to node index in a specific type of element ! _ipNeighborhood : 6 or less neighboring IPs as [element_num, IP_index] ! order is +x,-x,+y,-y,+z,-z but meaning strongly depends on Elemtype ! --------------------------- integer(pInt) mesh_Nelems,mesh_NcpElems,mesh_NelemTypes integer(pInt) mesh_Nnodes,mesh_maxNnodes,mesh_maxNips,mesh_maxNsharedElems integer(pInt), dimension(:,:), allocatable, target :: mesh_mapFEtoCPelem,mesh_mapFEtoCPnode integer(pInt), dimension(:,:), allocatable :: mesh_element, mesh_sharedElem integer(pInt), dimension(:,:,:,:), allocatable :: mesh_ipNeighborhood real(pReal), allocatable :: mesh_node (:,:) integer(pInt), parameter :: FE_Nelemtypes = 2 integer(pInt), parameter :: FE_maxNnodes = 8 integer(pInt), parameter :: FE_maxNips = 8 integer(pInt), parameter :: FE_maxNneighbors = 6 integer(pInt), parameter :: FE_maxNfaceNodes = 4 integer(pInt), parameter :: FE_maxNfaces = 6 integer(pInt), dimension(200):: FE_mapElemtype integer(pInt), dimension(FE_Nelemtypes), parameter :: FE_Nnodes = & (/8, & ! element 7 4 & ! element 134 /) integer(pInt), dimension(FE_Nelemtypes), parameter :: FE_Nips = & (/8, & ! element 7 1 & ! element 134 /) integer(pInt), dimension(FE_Nelemtypes), parameter :: FE_NipNeighbors = & (/6, & ! element 7 4 & ! element 134 /) integer(pInt), dimension(FE_maxNfaces,FE_Nelemtypes), parameter :: FE_NfaceNodes = & reshape((/& 4,4,4,4,4,4, & ! element 7 3,3,3,3,0,0 & ! element 134 /),(/FE_maxNfaces,FE_Nelemtypes/)) integer(pInt), dimension(FE_maxNips,FE_Nelemtypes), parameter :: FE_nodeAtIP = & reshape((/& 1,2,4,3,5,6,8,7, & ! element 7 1,0,0,0,0,0,0,0 & ! element 134 /),(/FE_maxNips,FE_Nelemtypes/)) integer(pInt), dimension(FE_maxNnodes,FE_Nelemtypes), parameter :: FE_ipAtNode = & reshape((/& 1,2,4,3,5,6,8,7, & ! element 7 1,1,1,1,0,0,0,0 & ! element 134 /),(/FE_maxNnodes,FE_Nelemtypes/)) integer(pInt), dimension(FE_maxNfaceNodes,FE_maxNfaces,FE_Nelemtypes), parameter :: FE_nodeOnFace = & reshape((/& 1,2,3,4 , & ! element 7 2,1,5,6 , & 3,2,6,7 , & 3,4,8,7 , & 4,1,5,8 , & 8,7,6,5 , & 1,2,3,0 , & ! element 134 1,4,2,0 , & 2,3,4,0 , & 1,3,4,0 , & 0,0,0,0 , & 0,0,0,0 & /),(/FE_maxNfaceNodes,FE_maxNfaces,FE_Nelemtypes/)) integer(pInt), dimension(FE_maxNneighbors,FE_maxNips,FE_Nelemtypes), parameter :: FE_ipNeighbor = & reshape((/& 2,-5, 3,-2, 5,-1 , & ! element 7 -3, 1, 4,-2, 6,-1 , & 4,-5,-4, 1, 7,-1 , & -3, 3,-4, 2, 8,-1 , & 6,-5, 7,-2,-6, 1 , & -3, 5, 8,-2,-6, 2 , & 8,-5,-4, 5,-6, 3 , & -3, 7,-4, 6,-6, 4 , & -1,-2,-3,-4, 0, 0 , & ! element 134 0, 0, 0, 0, 0, 0 , & 0, 0, 0, 0, 0, 0 , & 0, 0, 0, 0, 0, 0 , & 0, 0, 0, 0, 0, 0 , & 0, 0, 0, 0, 0, 0 , & 0, 0, 0, 0, 0, 0 , & 0, 0, 0, 0, 0, 0 & /),(/FE_maxNneighbors,FE_maxNips,FE_Nelemtypes/)) CONTAINS ! --------------------------- ! subroutine mesh_init() ! function mesh_FEtoCPelement(FEid) ! function mesh_build_ipNeighorhood() ! subroutine mesh_parse_inputFile() ! --------------------------- !*********************************************************** ! initialization !*********************************************************** SUBROUTINE mesh_init () mesh_Nelems = 0_pInt mesh_NcpElems = 0_pInt mesh_Nnodes = 0_pInt mesh_maxNips = 0_pInt mesh_maxNnodes = 0_pInt mesh_maxNsharedElems = 0_pInt FE_mapElemtype = 1 ! MISSING this should be zero... FE_mapElemtype( 7) = 1 FE_mapElemtype(134) = 2 ! call to various subrountes to parse the stuff from the input file... END SUBROUTINE !*********************************************************** ! find face-matching element of same type ! ! !*********************************************************** FUNCTION mesh_faceMatch(face,elem) use prec, only: pInt implicit none integer(pInt) face,elem integer(pInt) mesh_faceMatch integer(pInt), dimension(FE_NfaceNodes(face,mesh_element(2,elem))) :: nodeMapFE integer(pInt) minN,NsharedElems,lonelyNode,faceNode,i,j,t mesh_faceMatch = 0_pInt ! intialize to "no match found" t = mesh_element(2,elem) ! figure elemType do faceNode=1,FE_NfaceNodes(face,t) ! loop over nodes on face nodeMapFE(faceNode) = mesh_element(4+FE_nodeOnFace(faceNode,face,t),elem) ! FE id of face node NsharedElems = mesh_sharedElem(1,nodeMapFE(faceNode)) ! figure # shared elements for this node if (NsharedElems < minN) then minN = NsharedElems ! remember min # shared elems lonelyNode = faceNode ! remember most lonely node endif end do candidate: do i=1,minN ! iterate over lonelyNode's shared elements mesh_faceMatch = mesh_sharedElem(1+i,nodeMapFE(lonelyNode)) ! present candidate elem if (mesh_faceMatch == elem) then ! my own element ? mesh_faceMatch = 0_pInt ! disregard cycle candidate endif do faceNode=1,FE_NfaceNodes(face,t) ! check remaining face nodes to match if (faceNode == lonelyNode) cycle ! disregard lonely node (matches anyway) NsharedElems = mesh_sharedElem(1,nodeMapFE(faceNode)) ! how many shared elems for checked node? do j=1,NsharedElems ! iterate over other node's elements if (all(mesh_sharedElem(2:1+NsharedElems,nodeMapFE(faceNode)) /= mesh_faceMatch)) then ! no ref to candidate elem? mesh_faceMatch = 0_pInt ! set to "no match" (so far) cycle candidate ! next candidate elem endif end do end do end do candidate return END FUNCTION !*********************************************************** ! build up of IP neighborhood !*********************************************************** SUBROUTINE mesh_build_ipNeighborhood() use prec, only: pInt implicit none integer(pInt) e,t,i,j,k,n integer(pInt) neighbor,neighboringElem,neighboringIP,matchingElem,faceNode,linkingNode do e = 1,mesh_NcpElems ! loop over cpElems t = mesh_element(2,e) ! get elemType do i = 1,FE_Nips(t) ! loop over IPs of elem do n = 1,FE_NipNeighbors(t) ! loop over neighbors of IP neighbor = FE_ipNeighbor(n,i,t) if (neighbor > 0) then ! intra-element IP neighboringElem = e neighboringIP = neighbor else ! neighboring element's IP neighboringElem = 0_pInt neighboringIP = 0_pInt matchingElem = mesh_faceMatch(-neighbor,e) if (matchingElem > 0) then matchFace: do j = 1,FE_NfaceNodes(-neighbor,t) ! count over nodes on matching face faceNode = FE_nodeOnFace(j,-neighbor,t) ! get face node id if (i == FE_ipAtNode(faceNode,t)) then ! ip linked to face node is me? linkingNode = mesh_element(4+faceNode,e) ! FE id of this facial node do k = 1,FE_Nnodes(t) ! loop over nodes in matching element if (linkingNode == mesh_element(4+k,matchingElem)) then neighboringElem = matchingElem neighboringIP = FE_ipAtNode(j,t) exit matchFace endif end do endif end do matchFace endif endif mesh_ipNeighborhood(1,n,i,e) = neighboringElem mesh_ipNeighborhood(2,n,i,e) = neighboringIP end do end do end do return END SUBROUTINE !*********************************************************** ! FE to CP id mapping by binary search thru lookup array ! ! valid questions are 'elem', 'node' !*********************************************************** FUNCTION mesh_FEasCP(what,id) use prec, only: pInt use IO, only: IO_lc implicit none character(len=*), intent(in) :: what integer(pInt), intent(in) :: id integer(pInt), dimension(:,:), pointer :: lookupMap integer(pInt) mesh_FEasCP, lower,upper,center mesh_FEasCP = 0_pInt select case(IO_lc(what(1:4))) case('elem') lookupMap => mesh_mapFEtoCPelem case('node') lookupMap => mesh_mapFEtoCPnode case default return end select lower = 1_pInt upper = size(lookupMap,2) ! check at bounds if (lookupMap(1,lower) == id) then mesh_FEasCP = lookupMap(2,lower) return elseif (lookupMap(1,upper) == id) then mesh_FEasCP = lookupMap(2,upper) return endif ! binary search in between bounds do while (upper-lower > 1) center = (lower+upper)/2 if (lookupMap(1,center) < id) then lower = center elseif (lookupMap(1,center) > id) then upper = center else mesh_FEasCP = lookupMap(2,center) exit end if end do return END FUNCTION !******************************************************************** ! Build node mapping from FEM to CP !******************************************************************** SUBROUTINE mesh_build_nodeMapping (unit) use prec, only: pInt use IO implicit none integer(pInt), dimension (mesh_Nnodes) :: node_count integer(pInt) unit,i,j,Nnodes,cur_node integer(pInt), dimension (133) :: pos character*264 line 610 FORMAT(A264) rewind(unit) allocate ( mesh_mapFEtoCPnode(2,mesh_Nnodes) ) node_count(:) = 0_pInt do read (unit,610,END=620) line pos = IO_stringPos(line,1) if( IO_lc(IO_stringValue(line,pos,1)) == 'coordinates' ) then read (unit,610,END=620) line ! skip crap line do i=1,mesh_Nnodes read (unit,610,END=620) line mesh_mapFEtoCPnode(1,i) = IO_fixedIntValue (line,(/0,10/),1) mesh_mapFEtoCPnode(2,i) = i end do end if end do 620 continue do i=2,mesh_Nnodes if( mesh_mapFEtoCPnode(1,i).lt.mesh_mapFEtoCPnode(1,i-1) )then write(*,*) 'Need to sort node' end if end do rewind(unit) do read (unit,610,END=630) line pos = IO_stringPos(line,1) if( IO_lc(IO_stringValue(line,pos,1)) == 'connectivity' ) then read (unit,610,END=620) line ! Garbage line do i=1,mesh_Nelems read (unit,610,END=620) line pos = IO_stringPos(line,66) ! limit to 64 nodes max (plus ID, type) Nnodes = FE_Nnodes(FE_mapElemtype(IO_intValue(line,pos,2))) do j=1,Nnodes cur_node = IO_IntValue (line,pos,j+2) node_count( mesh_FEasCP('node',cur_node) )= node_count( mesh_FEasCP('node',cur_node) )+1 end do end do end if end do 630 continue mesh_maxNsharedElems = MAXVAL(node_count) return END SUBROUTINE !******************************************************************** ! Build ele mapping from FEM to CP !******************************************************************** SUBROUTINE mesh_build_CPeleMapping (unit) use prec, only: pInt use IO implicit none integer unit, i,cur_CPele,start_ele,end_ele character*264 line integer(pInt), dimension (41) :: pos 610 FORMAT(A264) rewind(unit) allocate ( mesh_mapFEtoCPelem(2,mesh_NcpElems) ) cur_CPele = 0 do read (unit,610,END=620) line pos = IO_stringPos(line,1) if( IO_lc(IO_stringValue(line,pos,1)) == 'hypoelastic' ) then do i=1,4 read (unit,610,END=620) line end do pos = IO_stringPos(line,20) if( IO_lc(IO_Stringvalue(line,pos,2)).eq.'to' )then start_ele = IO_IntValue(line,pos,1) end_ele = IO_IntValue(line,pos,3) do i=start_ele,end_ele cur_CPele = cur_CPele+1 mesh_mapFEtoCPelem(1,cur_CPele) = i mesh_mapFEtoCPelem(2,cur_CPele) = cur_CPele end do else do i=1,pos(1)-1 cur_CPele = cur_CPele+1 mesh_mapFEtoCPelem(1,cur_CPele) = IO_IntValue(line,pos,i) mesh_mapFEtoCPelem(2,cur_CPele) = cur_CPele end do if( IO_lc(IO_Stringvalue(line,pos,pos(1))).ne.'c' )then cur_CPele = cur_CPele+1 mesh_mapFEtoCPelem(1,cur_CPele) = IO_IntValue(line,pos,pos(1)) mesh_mapFEtoCPelem(2,cur_CPele) = cur_CPele end if do while( IO_lc(IO_Stringvalue(line,pos,pos(1))).eq.'c' ) read (unit,610,END=620) line pos = IO_stringPos(line,20) do i=1,pos(1)-1 cur_CPele = cur_CPele+1 mesh_mapFEtoCPelem(1,cur_CPele) = IO_IntValue(line,pos,i) mesh_mapFEtoCPelem(2,cur_CPele) = cur_CPele end do if( IO_lc(IO_Stringvalue(line,pos,pos(1))).ne.'c' )then cur_CPele = cur_CPele+1 mesh_mapFEtoCPelem(1,cur_CPele) = IO_IntValue(line,pos,pos(1)) mesh_mapFEtoCPelem(2,cur_CPele) = cur_CPele end if end do end if end if end do 620 continue do i=2,mesh_NcpElems if( mesh_mapFEtoCPelem(1,i).lt.mesh_mapFEtoCPelem(1,i-1) )then write(*,*) 'Need to sort ele' end if end do return END SUBROUTINE !******************************************************************** !******************************************************************** SUBROUTINE mesh_build_Sharedelems (unit) use prec, only: pInt use IO implicit none integer unit integer(pInt), dimension (mesh_Nnodes) :: node_count integer(pInt), dimension (41) :: pos integer i,j,FE_node,CP_node,Nnodes,CP_elem character*264 line 610 FORMAT(A264) rewind(unit) allocate ( mesh_sharedElem( 1+mesh_maxNsharedElems,mesh_Nnodes) ) mesh_sharedElem(:,:) = 0_pInt node_count(:) = 0_pInt do read (unit,610,END=620) line pos = IO_stringPos(line,1) if( IO_lc(IO_stringValue(line,pos,1)) == 'connectivity' ) then read (unit,610,END=620) line ! Garbage line do i=1,mesh_Nelems read (unit,610,END=620) line pos = IO_stringPos(line,66) ! limit to 64 nodes max (plus ID, type) Nnodes = FE_Nnodes(FE_mapElemtype(IO_intValue(line,pos,2))) CP_elem = mesh_FEasCP('elem',IO_IntValue(line,pos,1)) if( CP_elem.ne.0 )then do j=1,Nnodes FE_node = IO_IntValue (line,pos,j+2) CP_node = mesh_FEasCP('node',FE_node) node_count( CP_node )= node_count( CP_node )+1 mesh_sharedElem(node_count(CP_node)+1,CP_node) = CP_elem end do end if end do end if end do 620 continue do i=1,mesh_Nnodes mesh_sharedElem(1,i) = node_count(i) end do return END SUBROUTINE !******************************************************************** !******************************************************************** SUBROUTINE mesh_build_nodeCoord (unit) use prec, only: pInt use IO implicit none integer unit,i,j,m integer(pInt), dimension(3) :: pos integer(pInt), dimension(5), parameter :: node_ends = (/0,10,30,50,70/) character*264 line rewind(unit) allocate ( mesh_node (3,mesh_Nnodes) ) 610 FORMAT(A264) do while(.true.) read (unit,610,END=620) line pos = IO_stringPos(line,1) if( IO_lc(IO_stringValue(line,pos,1)) == 'coordinates' ) then read (unit,610,END=620) line ! skip crap line do i=1,mesh_Nnodes read (unit,610,END=620) line m = mesh_FEasCP('node',IO_fixedIntValue (line,node_ends,1)) do j=1,3 mesh_node(j,m) = IO_fixedNoEFloatValue (line,node_ends,j+1) end do end do end if end do 620 continue return END SUBROUTINE !******************************************************************** !******************************************************************** SUBROUTINE mesh_build_element (unit) use prec, only: pInt implicit none integer unit return END SUBROUTINE !******************************************************************** ! Get global variables (like # ele, # nodes, # ele types, # CP ele) !******************************************************************** SUBROUTINE mesh_get_globals (unit) use prec, only: pInt use IO implicit none integer(pInt) unit,i,pos(41) character*264 line 610 FORMAT(A264) rewind(unit) mesh_NelemTypes = 0_pInt do read (unit,610,END=620) line pos = IO_stringPos(line,20) select case ( IO_lc(IO_Stringvalue(line,pos,1))) case('sizing') mesh_Nelems = IO_IntValue (line,pos,3) mesh_Nnodes = IO_IntValue (line,pos,4) case('elements') mesh_NelemTypes = mesh_NelemTypes+1 case('hypoelastic') do i=1,4 read (unit,610,END=620) line end do pos = IO_stringPos(line,20) if( IO_lc(IO_Stringvalue(line,pos,2)).eq.'to' )then mesh_NcpElems = IO_IntValue(line,pos,3)-IO_IntValue(line,pos,1)+1 else mesh_NcpElems = mesh_NcpElems + pos(1) do while( IO_lc(IO_Stringvalue(line,pos,pos(1))).eq.'c' ) mesh_NcpElems = mesh_NcpElems - 1 ! Counted the c character from the line read (unit,610,END=620) line pos = IO_stringPos(line,20) mesh_NcpElems = mesh_NcpElems + pos(1) end do end if end select end do 620 continue return END SUBROUTINE END MODULE mesh