added _build_ipNeighborhood and _faceMatch
This commit is contained in:
Philip Eisenlohr
parent
dab0e7013c
commit
a52a742a3f
339
trunk/mesh.f90
339
trunk/mesh.f90
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@ -12,11 +12,11 @@
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! _Nnodes : total number of nodes in mesh
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! _maxNnodes : max number of nodes in any element
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! _maxNips : max number of IPs in any element
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! _maxNsharedElems : max number of elements sharing a node
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!
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! _element : FEid, type, material, texture, node indices
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! _node : x,y,z coordinates (initially!)
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! _nodeIndex : count of elements containing node,
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! [element_num, node_index], ...
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! _element : FEid, type, material, texture, node indices
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! _node : x,y,z coordinates (initially!)
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! _sharedElem : entryCount and list of elements containing node
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!
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! _mapFEtoCPelement : [sorted FEid, corresponding CPid]
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!
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@ -26,66 +26,181 @@
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!
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! _mapElementtype : map MARC/ABAQUS elemtype to 1-maxN
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!
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! _NipsInElementtype : IPs in a specific type of element
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! _NipNeighbors : count of IP neighbors in a specific type of element
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! _ipNeighborhood : +x,-x,+y,-y,+z,-z list of intra-element IPs and
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! _Nnodes : # nodes in a specific type of element
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! _Nips : # IPs in a specific type of element
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! _NipNeighbors : # IP neighbors in a specific type of element
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! _ipNeighbor : +x,-x,+y,-y,+z,-z list of intra-element IPs and
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! (negative) neighbor faces per own IP in a specific type of element
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! _NnodesPerFace : count of nodes per face in a specific type of element
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! _nodesOnFace : list of node indices on each face of a specific type of element
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! _NfaceNodes : # nodes per face in a specific type of element
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! _nodeOnFace : list of node indices on each face of a specific type of element
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! _ipAtNode : map node index to IP index in a specific type of element
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! _nodeAtIP : map IP index to node index in a specific type of element
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! _envIP : 6 or less neighboring IPs as [element_num, IP_index]
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! _ipNeighborhood : 6 or less neighboring IPs as [element_num, IP_index]
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! order is +x,-x,+y,-y,+z,-z but meaning strongly depends on Elemtype
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! ---------------------------
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integer(pInt) mesh_Nelems, mesh_Nnodes, mesh_maxNnodes,mesh_maxNips
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integer(pInt) mesh_Nelems,mesh_NcpElems,mesh_Nnodes,mesh_maxNnodes,mesh_maxNips,mesh_maxNsharedElems
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integer(pInt), dimension(:,:), allocatable :: mesh_mapFEtoCPelement
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integer(pInt), dimension(:,:), allocatable :: mesh_element, mesh_nodeIndex, mesh_envIP
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integer(pInt), dimension(:,:), allocatable :: mesh_element, mesh_sharedElem
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integer(pInt), dimension(:,:,:,:), allocatable :: mesh_ipNeighborhood
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real(pReal), allocatable :: mesh_node (:,:)
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integer(pInt), parameter :: FE_Nelemtypes = 1
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integer(pInt), parameter :: FE_maxNnodes = 8
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integer(pInt), parameter :: FE_maxNips = 8
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integer(pInt), parameter :: FE_maxNneighbors = 6
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integer(pInt), parameter :: FE_maxNfaceNodes = 4
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integer(pInt), parameter :: FE_maxNfaces = 6
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integer(pInt), dimension(200) :: FE_mapElemtype
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integer(pInt), dimension(FE_Nelemtypes), parameter :: FE_NipsInElement = &
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integer(pInt), dimension(FE_Nelemtypes), parameter :: FE_Nnodes = &
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(/8/)
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integer(pInt), dimension(FE_Nelemtypes), parameter :: FE_Nips = &
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(/8/)
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integer(pInt), dimension(FE_Nelemtypes), parameter :: FE_NipNeighbors = &
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(/ 6 /)
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integer(pInt), dimension(FE_maxNfaces,FE_Nelemtypes), parameter :: FE_NfaceNodes = &
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reshape((/&
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4,4,4,4,4,4 &
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4,4,4,4,4,4 & ! element 7
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/),(/FE_maxNfaces,FE_Nelemtypes/))
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integer(pInt), dimension(FE_maxNips,FE_Nelemtypes), parameter :: FE_nodeAtIP = &
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reshape((/&
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1,2,4,3,5,6,8,7 &
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1,2,4,3,5,6,8,7 & ! element 7
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/),(/FE_maxNips,FE_Nelemtypes/))
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integer(pInt), dimension(FE_maxNnodes,FE_Nelemtypes), parameter :: FE_ipAtNode = &
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reshape((/&
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1,2,4,3,5,6,8,7 &
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1,2,4,3,5,6,8,7 & ! element 7
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/),(/FE_maxNnodes,FE_Nelemtypes/))
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integer(pInt), dimension(FE_maxNfaceNodes,FE_maxNfaces,FE_Nelemtypes), parameter :: FE_nodesOnFace = &
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integer(pInt), dimension(FE_maxNfaceNodes,FE_maxNfaces,FE_Nelemtypes), parameter :: FE_nodeOnFace = &
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reshape((/&
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1,2,3,4 , &
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1,2,3,4 , & ! element 7
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2,1,5,6 , &
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3,2,6,7 , &
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3,4,8,7 , &
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4,1,5,8 , &
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8,7,6,5 &
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/),(/FE_maxNfaceNodes,FE_maxNfaces,FE_Nelemtypes/))
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integer(pInt), dimension(FE_maxNneighbors,FE_maxNips,FE_Nelemtypes), parameter :: FE_ipNeighbor = &
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reshape((/&
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2,-5, 3,-2, 5,-1 , & ! element 7
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-3, 1, 4,-2, 6,-1 , &
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4,-5,-4, 1, 7,-1 , &
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-3, 3,-4, 2, 8,-1 , &
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6,-5, 7,-2,-6, 1 , &
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-3, 5, 8,-2,-6, 2 , &
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8,-5,-4, 5,-6, 3 , &
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-3, 7,-4, 6,-6, 4 &
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/),(/FE_maxNneighbors,FE_maxNips,FE_Nelemtypes/))
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CONTAINS
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! ---------------------------
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! subroutine mesh_init()
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! function mesh_FEtoCPelement(FEid)
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! function mesh_build_IPenvironment()
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! function mesh_build_ipNeighorhood()
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! subroutine mesh_parse_inputFile()
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! ---------------------------
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! ***********************************************************
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!***********************************************************
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! find face-matching element of same type
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!
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!
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!***********************************************************
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FUNCTION mesh_faceMatch(face,elem)
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use prec, only: pInt
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implicit none
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integer(pInt) face,elem
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integer(pInt) mesh_faceMatch
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integer(pInt), dimension(FE_NfaceNodes(face,mesh_element(2,elem))) :: nodeMapFE
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integer(pInt) minN,NsharedElems,lonelyNode,faceNode,i,j,t
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mesh_faceMatch = 0_pInt ! intialize to "no match found"
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t = mesh_element(2,elem) ! figure elemType
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do faceNode=1,FE_NfaceNodes(face,t) ! loop over nodes on face
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nodeMapFE(faceNode) = mesh_element(4+FE_nodeOnFace(faceNode,face,t),elem) ! FE id of face node
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NsharedElems = mesh_sharedElem(1,nodeMapFE(faceNode)) ! figure # shared elements for this node
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if (NsharedElems < minN) then
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minN = NsharedElems ! remember min # shared elems
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lonelyNode = faceNode ! remember most lonely node
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endif
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end do
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candidate: do i=1,minN ! iterate over lonelyNode's shared elements
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mesh_faceMatch = mesh_sharedElem(1+i,nodeMapFE(lonelyNode)) ! present candidate elem
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if (mesh_faceMatch == elem) then ! my own element ?
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mesh_faceMatch = 0_pInt ! disregard
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cycle candidate
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endif
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do faceNode=1,FE_NfaceNodes(face,t) ! check remaining face nodes to match
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if (faceNode == lonelyNode) cycle ! disregard lonely node (matches anyway)
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NsharedElems = mesh_sharedElem(1,nodeMapFE(faceNode)) ! how many shared elems for checked node?
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do j=1,NsharedElems ! iterate over other node's elements
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if (all(mesh_sharedElem(2:1+NsharedElems,nodeMapFE(faceNode)) /= mesh_faceMatch)) then ! no ref to candidate elem?
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mesh_faceMatch = 0_pInt ! set to "no match" (so far)
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cycle candidate ! next candidate elem
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endif
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end do
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end do
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end do candidate
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return
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END FUNCTION
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!***********************************************************
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! build up of IP neighborhood
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!***********************************************************
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SUBROUTINE mesh_build_ipNeighborhood()
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use prec, only: pInt
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implicit none
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integer(pInt) e,t,i,j,k,n
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integer(pInt) neighbor,neighboringElem,neighboringIP,matchingElem,faceNode,linkingNode
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do e = 1,mesh_NcpElems ! loop over cpElems
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t = mesh_element(2,e) ! get elemType
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do i = 1,FE_Nips(t) ! loop over IPs of elem
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do n = 1,FE_NipNeighbors(t) ! loop over neighbors of IP
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neighbor = FE_ipNeighbor(n,i,t)
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if (neighbor > 0) then ! intra-element IP
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neighboringElem = e
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neighboringIP = neighbor
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else ! neighboring element's IP
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neighboringElem = 0_pInt
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neighboringIP = 0_pInt
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matchingElem = mesh_faceMatch(-neighbor,e)
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if (matchingElem > 0) then
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matchFace: do j = 1,FE_NfaceNodes(-neighbor,t) ! count over nodes on matching face
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faceNode = FE_nodeOnFace(j,-neighbor,t) ! get face node id
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if (i == FE_ipAtNode(faceNode,t)) then ! ip linked to face node is me?
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linkingNode = mesh_element(4+faceNode,e) ! FE id of this facial node
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do k = 1,FE_Nnodes(t) ! loop over nodes in matching element
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if (linkingNode == mesh_element(4+k,matchingElem)) then
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neighboringElem = matchingElem
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neighboringIP = FE_ipAtNode(j,t)
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exit matchFace
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endif
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end do
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endif
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end do matchFace
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endif
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endif
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mesh_ipNeighborhood(1,n,i,e) = neighboringElem
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mesh_ipNeighborhood(2,n,i,e) = neighboringIP
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end do
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end do
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end do
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return
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END SUBROUTINE
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!***********************************************************
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! FE to CP id mapping by binary search thru lookup array
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! ***********************************************************
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!***********************************************************
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FUNCTION mesh_FEtoCPelement(FEid)
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use prec, only: pInt
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@ -98,22 +213,22 @@
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lower = 1_pInt
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upper = size(mesh_mapFEtoCPelement,2)
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if (mesh_mapFEtoCPelement(lower,1) == FEid) then
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mesh_FEtoCPelement = mesh_mapFEtoCPelement(lower,2)
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if (mesh_mapFEtoCPelement(1,lower) == FEid) then
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mesh_FEtoCPelement = mesh_mapFEtoCPelement(2,lower)
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return
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elseif (mesh_mapFEtoCPelement(upper,1) == FEid) then
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mesh_FEtoCPelement = mesh_mapFEtoCPelement(upper,2)
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elseif (mesh_mapFEtoCPelement(1,upper) == FEid) then
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mesh_FEtoCPelement = mesh_mapFEtoCPelement(2,upper)
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return
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endif
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do while (upper-lower > 0)
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center = (lower+upper)/2
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if (mesh_mapFEtoCPelement(center,1) < FEid) then
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if (mesh_mapFEtoCPelement(1,center) < FEid) then
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lower = center
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elseif (mesh_mapFEtoCPelement(center,1) > FEid) then
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elseif (mesh_mapFEtoCPelement(1,center) > FEid) then
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upper = center
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else
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mesh_FEtoCPelement = mesh_mapFEtoCPelement(center,2)
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mesh_FEtoCPelement = mesh_mapFEtoCPelement(2,center)
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exit
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end if
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end do
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@ -122,181 +237,29 @@
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END FUNCTION
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! ***********************************************************
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!***********************************************************
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! initialization
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! ***********************************************************
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!***********************************************************
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SUBROUTINE mesh_init ()
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mesh_Nelems = 0_pInt
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mesh_NcpElems = 0_pInt
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mesh_Nnodes = 0_pInt
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mesh_maxNips = 0_pInt
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mesh_maxNnodes = 0_pInt
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mesh_maxNsharedElems = 0_pInt
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call mesh_parse_inputFile ()
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END SUBROUTINE
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! ***********************************************************
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!***********************************************************
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! parsing of input file
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! ***********************************************************
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FUNCTION mesh_parse_inputFile ()
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!***********************************************************
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SUBROUTINE mesh_parse_inputFile()
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use prec, only: pReal,pInt
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use IO
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implicit none
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logical mesh_parse_inputFile
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integer(pInt) i,j,positions(10*2+1)
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integer(pInt) elem_num,elem_type,Nnodes,node_num,num_ip,mat,tp(70,2)
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! Set a format to read the entire line (max. len is 80 characters)
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610 FORMAT(A80)
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if (.not. IO_open_inputFile(600)) then
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mesh_parse_inputFile = .false.
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return
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endif
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do while(.true.)
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read(600,610,end=620) line
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positions = IO_stringPos(line,3)
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select case (IO_stringValue(line,positions,1)
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!-----------------------------------
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case ('sizing')
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!-----------------------------------
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mesh_Nelems = IO_intValue(line,positions,2)
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mesh_Nnodes = IO_intValue(line,positions,3)
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!-----------------------------------
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case ('elements')
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!-----------------------------------
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select case (IO_intValue(line,positions,2)) ! elem type
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case (3) ! 2D Triangle
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mesh_maxNips = max(3,mesh_maxNips)
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mesh_maxNnodes = max(3,mesh_maxNnodes)
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case (6) ! 2D Quad.
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mesh_maxNips = max(4,mesh_maxNips)
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mesh_maxNnodes = max(4,mesh_maxNnodes)
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case (7) ! 3D hexahedral
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mesh_maxNips = max(8,mesh_maxNips)
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mesh_maxNnodes = max(8,mesh_maxNnodes)
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case default
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mesh_maxNips = max(8,mesh_maxNips)
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mesh_maxNnodes = max(8,mesh_maxNnodes)
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end select
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!-----------------------------------
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case ('connectivity')
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!-----------------------------------
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allocate (mesh_element(mesh_Nelems,2+mesh_maxNips))
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allocate (mesh_nodeIndex (mesh_Nnodes,1+mesh_maxNnodes*2)
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allocate (mesh_envIP(mesh_Nelems,mesh_maxNips,6,2))
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mesh_element = 0_pInt
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mesh_nodeIndex = 0_pInt
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mesh_envIP = 0_pInt
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! MISSING: setting up of envIP
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read(600,610,end=620) line ! skip line ??
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do i=1,mesh_Nelems
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read(600,610,end=620) line
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positions = IO_stringPos(line,0) ! find all chunks
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elem_num = IO_intValue(line,positions,1)
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elem_type = IO_intValue(line,positions,2)
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select case (elem_type)
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case (3) ! 2D Triangle
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Nnodes = 3
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case (6) ! 2D Quad.
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Nnodes = 4
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case (7) ! 3D hexahedral
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Nnodes = 8
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case default
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Nnodes = 8
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end select
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mesh_element(elem_num,1) = elem_type
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do j=1,Nnodes ! store all node indices
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node_num = IO_intValue(line,positions,2+j)
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mesh_element(elem_num,1+j) = node_num
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mesh_nodeIndex(node_num,1) = mesh_nodeIndex(node_num,1)+1 ! inc count
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mesh_nodeIndex(node_num,mesh_nodeIndex(node_num,1)*2 ) = elem_num
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mesh_nodeIndex(node_num,mesh_nodeIndex(node_num,1)*2+1) = j
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end do
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end do
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!-----------------------------------
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case ('coordinates')
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!-----------------------------------
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allocate (mesh_node(mesh_Nnodes,3)) ! x,y,z, per node
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read(600,610,end=620) line ! skip line ??
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do i=1,mesh_Nnodes
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read(600,610,end=620) line
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positions = IO_stringPos(line,0) ! find all (4) chunks
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node_num = IO_intValue(line,positions,1)
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do j=1,3 ! store x,y,z coordinates
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mesh_node(node_num,j) = IO_floatValue(line,positions,1+j)
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end do
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end do
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!-----------------------------------
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case ('hypoelastic')
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!-----------------------------------
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! ***************************************************
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! Search for key word "hypoelastic".
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! This section contains the # of materials and
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! the element range of each material
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! ***************************************************
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ELSE IF( line(1:11).eq.'hypoelastic' )THEN
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mat=0
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flag=0
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DO WHILE( line(1:8).ne.'geometry' )
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READ(600,610,END=620) line
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i=1
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DO WHILE( i.le.len(line)-8 )
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IF( line(i:i+2).eq.'mat' )THEN
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mat=mat+1
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flag=1
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END IF
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i=i+1
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END DO
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IF( flag.eq.1 )THEN
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flag=0
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READ(600,610,END=620) line
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READ(600,610,END=620) line
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i=1
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DO WHILE( line(i:i).eq.' ')
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i=i+1
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END DO
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left=i
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DO WHILE( line(i:i).ne.' ')
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i=i+1
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END DO
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right=i-1
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READ(UNIT=line(left:right), FMT=' (I5) ') tp(mat,1)
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DO WHILE( (line(i:i).eq.' ').or.
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& (line(i:i).eq.'t').or.
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& (line(i:i).eq.'o') )
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i=i+1
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END DO
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left=i
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DO WHILE( line(i:i).ne.' ')
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i=i+1
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END DO
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right=i-1
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READ(UNIT=line(left:right), FMT=' (I5) ') tp(mat,2)
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END IF
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END DO
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WRITE(6,*) 'mat: ',mat,' ',tp(1,1),' ',tp(1,2)
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end select
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END DO
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! Code jumps to 620 when it reaches the end of the file
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620 continue
|
||||
|
||||
WRITE(6,*) 'Finished with .dat file'
|
||||
CALL FLUSH(6)
|
||||
|
||||
END FUNCTION
|
||||
END SUBROUTINE
|
||||
|
||||
END MODULE mesh
|
||||
|
||||
Loading…
Reference in New Issue