createTestMeshMultiElem Subroutine

subroutine createTestMeshMultiElem(mesh, rc)

Arguments

Type IntentOptional Attributes Name
type(ESMF_Mesh), intent(out) :: mesh
integer :: rc

Source Code

subroutine createTestMeshMultiElem(mesh, rc)
  type(ESMF_Mesh), intent(out) :: mesh
  integer :: rc

  integer, pointer :: nodeIds(:),nodeOwners(:)
  real(ESMF_KIND_R8), pointer :: nodeCoords(:)
  real(ESMF_KIND_R8), pointer :: ownedNodeCoords(:)
  integer :: numNodes, numOwnedNodes, numOwnedNodesTst
  integer :: numElems,numOwnedElemsTst
  integer, pointer :: elemIds(:),elemTypes(:),elemConn(:)
  integer :: petCount, localPet
  type(ESMF_VM) :: vm
  integer :: numQuadElems,numTriElems
  integer :: numPentElems,numMultiElems,numTotElems
  integer :: numElemConn

  ! get global VM
   call ESMF_VMGetGlobal(vm, rc=rc)
  if (rc /= ESMF_SUCCESS) return
  call ESMF_VMGet(vm, localPet=localPet, petCount=petCount, rc=rc)
  if (rc /= ESMF_SUCCESS) return

  ! return with an error if not 1 or 4 PETs
  if ((petCount /= 1) .and. (petCount /=4)) then
     rc=ESMF_FAILURE
     return
  endif

  if (petCount .eq. 1) then
     ! Set number of nodes
     numNodes=12

     ! Allocate and fill the node id array.
     allocate(nodeIds(numNodes))
     nodeIds=(/1,2,3,4,5,6,7,8,9,10,11,12/)

      ! Allocate and fill node coordinate array.
     ! Since this is a 2D Mesh the size is 2x the
     ! number of nodes.
     allocate(nodeCoords(2*numNodes))
     nodeCoords=(/-0.1,-0.1, & ! node id 1
                   1.0,-0.1, & ! node id 2
                   2.1,-0.1, & ! node id 3
                  -0.1, 1.0, & ! node id 4
                   1.0, 1.0, & ! node id 5
                   2.1, 1.0, & ! node id 6
                  -0.1, 2.1, & ! node id 7
                   0.5, 2.5, & ! node id 8
                   1.0, 2.1, & ! node id 9
                   1.5, 2.5, & ! node id 10
                   2.5, 2.5, & ! node id 11
                   2.5, 2.1/)  ! node id 12

     ! Allocate and fill the node owner array.
     ! Since this Mesh is all on PET 0, it's just set to all 0.
     allocate(nodeOwners(numNodes))
      nodeOwners=0 ! everything on PET 0

     ! Set the number of each type of element, plus tot and num conn.
     numQuadElems=1
     numTriElems=2
     numPentElems=1
     numMultiElems=1
     numTotElems=numTriElems+numQuadElems+numPentElems+numMultiElems
     numElemConn=3*numTriElems+4*numQuadElems+ &
                 5*numPentElems+7*numMultiElems

     ! Allocate and fill the element id array.
     allocate(elemIds(numTotElems))
     elemIds=(/1,2,3,4,5/)


     ! Allocate and fill the element topology type array.
     allocate(elemTypes(numTotElems))
     elemTypes=(/ESMF_MESHELEMTYPE_QUAD, & ! elem id 1
                 ESMF_MESHELEMTYPE_TRI,  & ! elem id 2
                  ESMF_MESHELEMTYPE_TRI,  & ! elem id 3
                 5, &                      ! elem id 4
                 7/)                       ! elem id 5


     ! Allocate and fill the element connection type array.
      ! Note that entries in this array refer to the
     ! positions in the nodeIds, etc. arrays and that
     ! the order and number of entries for each element
     ! reflects that given in the Mesh options
     ! section for the corresponding entry
     ! in the elemTypes array.
     allocate(elemConn(numElemConn))
     elemConn=(/1,2,5,4, &       ! elem id 1
                2,3,5,   &       ! elem id 2
                3,6,5,   &       ! elem id 3
                4,5,9,8,7, &     ! elem id 4
                5,6,9,ESMF_MESH_POLYBREAK,12,11,10/) ! elem id 5

 else if (petCount .eq. 4) then
      ! Setup mesh data depending on PET
    if (localPET .eq. 0) then !!! This part only for PET 0
        ! Set number of nodes
       numNodes=4

       ! Allocate and fill the node id array.
       allocate(nodeIds(numNodes))
       nodeIds=(/1,2,4,5/)

       ! Allocate and fill node coordinate array.
       ! Since this is a 2D Mesh the size is 2x the
       ! number of nodes.
       allocate(nodeCoords(2*numNodes))
       nodeCoords=(/-0.1, -0.1, & ! node id 1
                     1.0, -0.1, & ! node id 2
                    -0.1,  1.0, & ! node id 4
                     1.0,  1.0 /) ! node id 5

       ! Allocate and fill the node owner array.
       allocate(nodeOwners(numNodes))
        nodeOwners=(/0, & ! node id 1
                    0, & ! node id 2
                    0, & ! node id 4
                    0/)  ! node id 5

       ! Set the number of each type of element, plus tot and num conn.
       numQuadElems=1
       numTriElems=0
       numPentElems=0
       numMultiElems=0
       numTotElems=numTriElems+numQuadElems+numPentElems+numMultiElems
       numElemConn=3*numTriElems+4*numQuadElems+ &
             5*numPentElems+7*numMultiElems

       ! Allocate and fill the element id array.
       allocate(elemIds(numTotElems))
       elemIds=(/1/)

       ! Allocate and fill the element topology type array.
       allocate(elemTypes(numTotElems))
        elemTypes=(/ESMF_MESHELEMTYPE_QUAD/) ! elem id 1

       ! Allocate and fill the element connection type array.
       ! Note that entry are local indices
       allocate(elemConn(numElemConn))
       elemConn=(/1,2,4,3/) ! elem id 1

     else if (localPET .eq. 1) then !!! This part only for PET 1
       ! Set number of nodes
       numNodes=4

       ! Allocate and fill the node id array.
       allocate(nodeIds(numNodes))
       nodeIds=(/2,3,5,6/)

       ! Allocate and fill node coordinate array.
       ! Since this is a 2D Mesh the size is 2x the
       ! number of nodes.
        allocate(nodeCoords(2*numNodes))
       nodeCoords=(/1.0,-0.1, & ! node id 2
                     2.1,-0.1, & ! node id 3
                    1.0, 1.0, & ! node id 5
                    2.1, 1.0 /) ! node id 6

       ! Allocate and fill the node owner array.
       allocate(nodeOwners(numNodes))
       nodeOwners=(/0, & ! node id 2
                    1, & ! node id 3
                    0, & ! node id 5
                    1/)  ! node id 6

       ! Set the number of each type of element, plus tot and num conn.
       numQuadElems=0
       numTriElems=2
       numPentElems=0
       numMultiElems=0
       numTotElems=numTriElems+numQuadElems+numPentElems+numMultiElems
       numElemConn=3*numTriElems+4*numQuadElems+ &
            5*numPentElems+7*numMultiElems

        ! Allocate and fill the element id array.
       allocate(elemIds(numTotElems))
       elemIds=(/2,3/)

       ! Allocate and fill the element topology type array.
       allocate(elemTypes(numTotElems))
        elemTypes=(/ESMF_MESHELEMTYPE_TRI, & ! elem id 2
                   ESMF_MESHELEMTYPE_TRI/)  ! elem id 3

       ! Allocate and fill the element connection type array.
       allocate(elemConn(numElemConn))
       elemConn=(/1,2,3, & ! elem id 2
                  2,4,3/)  ! elem id 3

    else if (localPET .eq. 2) then !!! This part only for PET 2
        ! Set number of nodes
        numNodes=5

        ! Allocate and fill the node id array.
        allocate(nodeIds(numNodes))
         nodeIds=(/4,5,7,8,9/)

        ! Allocate and fill node coordinate array.
        ! Since this is a 2D Mesh the size is 2x the
        ! number of nodes.
        allocate(nodeCoords(2*numNodes))
        nodeCoords=(/-0.1,1.0, & ! node id 4
                      1.0,1.0, & ! node id 5
                     -0.1,2.1, & ! node id 7
                      0.5,2.5, & ! node id 8
                      1.0,2.1 /) ! node id 9

        ! Allocate and fill the node owner array.
        ! Since this Mesh is all on PET 0, it's just set to all 0.
         allocate(nodeOwners(numNodes))
        nodeOwners=(/0, & ! node id 4
                     0, & ! node id 5
                     2, & ! node id 7
                     2, & ! node id 8
                     2/)  ! node id 9

       ! Set the number of each type of element, plus tot and num conn.
       numQuadElems=0
       numTriElems=0
       numPentElems=1
       numMultiElems=0
        numTotElems=numTriElems+numQuadElems+numPentElems+numMultiElems
       numElemConn=3*numTriElems+4*numQuadElems+ &
            5*numPentElems+7*numMultiElems

        ! Allocate and fill the element id array.
        allocate(elemIds(numTotElems))
        elemIds=(/4/)

        ! Allocate and fill the element topology type array.
        allocate(elemTypes(numTotElems))
        elemTypes=(/5/) ! elem id 4

        ! Allocate and fill the element connection type array.
        allocate(elemConn(numElemConn))
         elemConn=(/1,2,5,4,3/) ! elem id 4

      else if (localPET .eq. 3) then !!! This part only for PET 3
        ! Set number of nodes
        numNodes=6

        ! Allocate and fill the node id array.
        allocate(nodeIds(numNodes))
        nodeIds=(/5,6,9,10,11,12/)

        ! Allocate and fill node coordinate array.
        ! Since this is a 2D Mesh the size is 2x the
        ! number of nodes.
        allocate(nodeCoords(2*numNodes))
        nodeCoords=(/1.0,1.0, &  ! node id 5
                     2.1,1.0, &  ! node id 6
                     1.0,2.1, &  ! node id 9
                     1.5,2.5, &  ! node id 10
                     2.5,2.5, &  ! node id 11
                     2.5,2.1 /)  ! node id 12

        ! Allocate and fill the node owner array.
        allocate(nodeOwners(numNodes))
        nodeOwners=(/0, & ! node id 5
                     1, & ! node id 6
                     2, & ! node id 9
                     3, & ! node id 10
                     3, & ! node id 11
                     3/)  ! node id 12


        ! Set the number of each type of element, plus tot and num conn.
        numQuadElems=0
         numTriElems=0
        numPentElems=0
        numMultiElems=1
        numTotElems=numTriElems+numQuadElems+numPentElems+numMultiElems
        numElemConn=3*numTriElems+4*numQuadElems+ &
             5*numPentElems+7*numMultiElems


        ! Allocate and fill the element id array.
        allocate(elemIds(numTotElems))
        elemIds=(/5/)

        ! Allocate and fill the element topology type array.
        allocate(elemTypes(numTotElems))
        elemTypes=(/7/) ! elem id 5

        ! Allocate and fill the element connection type array.
        allocate(elemConn(numElemConn))
        elemConn=(/1,2,3,ESMF_MESH_POLYBREAK,6,5,4/) ! elem id 5
       endif
    endif

   ! Create Mesh structure in 1 step
   mesh=ESMF_MeshCreate(parametricDim=2,spatialDim=2, &
        coordSys=ESMF_COORDSYS_CART, &
        nodeIds=nodeIds, nodeCoords=nodeCoords, &
         nodeOwners=nodeOwners, elementIds=elemIds,&
        elementTypes=elemTypes, elementConn=elemConn, &
         rc=rc)
   if (rc /= ESMF_SUCCESS) return

   ! deallocate node data
   deallocate(nodeIds)
   deallocate(nodeCoords)
   deallocate(nodeOwners)

   ! deallocate elem data
   deallocate(elemIds)
   deallocate(elemTypes)
   deallocate(elemConn)

end subroutine createTestMeshMultiElem