createTestMeshPH Subroutine

subroutine createTestMeshPH(mesh, rc)

Arguments

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

Source Code

  subroutine createTestMeshPH(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(:)
  real(ESMF_KIND_R8), pointer :: elemCoords(:)
  integer :: petCount, localPet
  type(ESMF_VM) :: vm
  integer :: numQuadElems,numTriElems
  integer :: numPentElems,numHexElems,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 2 PETs
  if ((petCount /= 1) .and. (petCount /=2)) 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=(/0.0,0.0, & ! node id 1
                   1.0,0.0, & ! node id 2
                   2.1,0.0, & ! node id 3
                  0.0, 1.0, & ! node id 4
                   1.0, 1.0, & ! node id 5
                   2.1, 1.0, & ! node id 6
                  0.0, 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
     numHexElems=1
     numTotElems=numTriElems+numQuadElems+numPentElems+numHexElems
     numElemConn=3*numTriElems+4*numQuadElems+ &
                 5*numPentElems+6*numHexElems

     ! 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
                 6/)                       ! elem id 5


     ! Allocate and fill elem coordinate array.
     ! Since this is a 2D Mesh the size is 2x the
     ! number of nodes.
     allocate(elemCoords(2*numTotElems))
     elemCoords=(/ 0.45, 0.45, & ! elem id 1
                   1.37, 0.27, & ! elem id 2
                   1.73, 0.63, & ! elem id 3
                   0.46, 1.74, & ! elem id 4
                   1.76, 1.87/)  ! 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
                5,6,12,11,10,9/) ! elem id 5

     
 else if (petCount .eq. 2) then
     ! Setup mesh data depending on PET
    if (localPET .eq. 0) then !!! This part only for PET 0
       ! Set number of nodes
       numNodes=6

       ! Allocate and fill the node id array.
       allocate(nodeIds(numNodes))
       nodeIds=(/1,2,3,4,5,6/)

       ! 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=(/0.0, 0.0, & ! node id 1
                     1.0, 0.0, & ! node id 2
                     2.1, 0.0, & ! node id 3
                    0.0,  1.0, & ! node id 4
                     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 1
                    0, & ! node id 2
                    0, & ! node id 3
                    0, & ! node id 4
                    0, & ! node id 5
                    0/)  ! node id 6

       ! Set the number of each type of element, plus tot and num conn.
       numQuadElems=1
       numTriElems=2
       numPentElems=0
       numHexElems=0
       numTotElems=numTriElems+numQuadElems+numPentElems+numHexElems
       numElemConn=3*numTriElems+4*numQuadElems+ &
            5*numPentElems+6*numHexElems

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

       ! 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

     ! Allocate and fill elem coordinate array.
     ! Since this is a 2D Mesh the size is 2x the
     ! number of nodes.
     allocate(elemCoords(2*numTotElems))
     elemCoords=(/0.45, 0.45, & ! elem id 1
                  1.37, 0.27, & ! elem id 2
                  1.73, 0.63/)  ! elem id 3

       ! Allocate and fill the element connection type array.
       ! Note that entry are local indices
       allocate(elemConn(numElemConn))
       elemConn=(/1,2,5,4, & ! elem id 1
                  2,3,5,   & ! elem id 2
                  3,6,5/)    ! elem id 3 
                  
     else if (localPET .eq. 1) then !!! This part only for PET 1
       ! Set number of nodes
       numNodes=9

       ! Allocate and fill the node id array.
       allocate(nodeIds(numNodes))
       nodeIds=(/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=(/0.0, 1.0, & ! node id 4
                     1.0, 1.0, & ! node id 5
                     2.1, 1.0, & ! node id 6
                    0.0, 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.
       allocate(nodeOwners(numNodes))
       nodeOwners=(/0, & ! node id 4
                    0, & ! node id 5
                    0, & ! node id 6
                    1, & ! node id 7
                    1, & ! node id 8
                    1, & ! node id 9
                    1, & ! node id 10
                    1, & ! node id 11                    
                    1/)  ! node id 12

       ! Set the number of each type of element, plus tot and num conn.
       numQuadElems=0
       numTriElems=0
       numPentElems=1
       numHexElems=1
       numTotElems=numTriElems+numQuadElems+numPentElems+numHexElems
       numElemConn=3*numTriElems+4*numQuadElems+ &
            5*numPentElems+6*numHexElems

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

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

       ! Allocate and fill elem coordinate array.
       ! Since this is a 2D Mesh the size is 2x the
       ! number of nodes.
       allocate(elemCoords(2*numTotElems))
       elemCoords=(/0.46, 1.74, & ! elem id 4
                    1.76, 1.87/)  ! elem id 5

       ! Allocate and fill the element connection type array.
       allocate(elemConn(numElemConn))
       elemConn=(/1,2,6,5,4, & ! elem id 4
                  2,3,9,8,7,6/)  ! elem id 5

      endif
    endif

   ! Create Mesh structure in 1 step
   mesh=ESMF_MeshCreate(parametricDim=2,spatialDim=2, &
        coordSys=ESMF_COORDSYS_SPH_DEG, &
        nodeIds=nodeIds, nodeCoords=nodeCoords, &
        nodeOwners=nodeOwners, elementIds=elemIds,&
        elementTypes=elemTypes, elementConn=elemConn, &
        elementCoords=elemCoords, &
        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 createTestMeshPH