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mod_fvm_face_2D.f90
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mod_fvm_face_2D.f90
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module mod_fvm_face_2D
use mod_cell_2D
use mod_vector_algebra
implicit none
type, extends(face) :: fvm_face_2D
type(vector_t) :: normal_vector
type(vector_t) :: tangent_vector
type(cell_2D), pointer :: left_cell => null()
type(cell_2D), pointer :: right_cell => null()
real(8) :: len_nor
real(8) :: len_tan
end type
type :: pt_fvm_face_2D
type(fvm_face_2D), pointer :: f => null()
end type
type :: obj_fvm_face_2D
type(pt_fvm_face_2D), dimension(:), allocatable :: face_2D
class(obj_cell_2D), pointer :: smart_pointer
contains
procedure :: alloc => allocate_face_2D
procedure :: get => assign_face_2D
end type
interface obj_fvm_face_2D
module procedure obj_fvm_face_2D_constructor
end interface obj_fvm_face_2D
contains
!----------------------------------------------------------------------
type(obj_fvm_face_2D) function obj_fvm_face_2D_constructor(obj_cell_2D_container)
implicit none
type(obj_cell_2D), target :: obj_cell_2D_container
obj_fvm_face_2D_constructor%smart_pointer => obj_cell_2D_container
end function obj_fvm_face_2D_constructor
!----------------------------------------------------------------------
subroutine allocate_face_2D(this)
implicit none
class(obj_fvm_face_2D), intent(inout) :: this
integer :: i
if (.not. allocated(this%face_2D)) then
allocate(this%face_2D(1:nbfaces))
endif
do i = 1, nbfaces
allocate(this%face_2D(i)%f)
enddo
end subroutine allocate_face_2D
!----------------------------------------------------------------------
subroutine assign_face_2D(this)
implicit none
class(obj_fvm_face_2D), intent(inout) :: this
integer :: icel, ifac, jfac, jfac_nbor
type(cell_2D), pointer :: pcel, pcel_nbor
type(fvm_face_2D), pointer :: pfac
type(face), pointer :: pfac2, pfac2_nbor
real(8) :: norm_vec
do ifac = 1, nbfaces
!if (ifac == 4409) then
! print*,'4409'
!endif
pfac => this%face_2D(ifac)%f
do icel = 1, this%smart_pointer%nbelm
pcel => this%smart_pointer%cell(icel)%p
do jfac = 1, 4
pfac2 => pcel%faces(jfac)
!if (pfac2%idface == 4409) then
! print*,'4409 2'
!endif
if (pfac2%idface == ifac) then
if (this%face_2D(ifac)%f%idface > 0) cycle ! just to index face_2D one time
! Copy data from face to fvm_face_2D
this%face_2D(ifac)%f%p1 = this%smart_pointer%cell(icel)%p%faces(jfac)%p1
this%face_2D(ifac)%f%p2 = this%smart_pointer%cell(icel)%p%faces(jfac)%p2
this%face_2D(ifac)%f%bc_typ = this%smart_pointer%cell(icel)%p%faces(jfac)%bc_typ
this%face_2D(ifac)%f%idface = this%smart_pointer%cell(icel)%p%faces(jfac)%idface
this%face_2D(ifac)%f%area = this%smart_pointer%cell(icel)%p%faces(jfac)%area
this%face_2D(ifac)%f%centroid = this%smart_pointer%cell(icel)%p%faces(jfac)%centroid
! Assign left cell and right cell for each face_2D
pcel_nbor => pcel%neighbor1
if (associated(pcel_nbor)) then
do jfac_nbor = 1, 4
pfac2_nbor => pcel_nbor%faces(jfac_nbor)
if (pfac2_nbor%idface == ifac) then
if (pcel%ident <= pcel_nbor%ident) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p
this%face_2D(ifac)%f%right_cell => this%smart_pointer%cell(icel)%p%neighbor1
else if (pcel%ident > pcel_nbor%ident) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p%neighbor1
this%face_2D(ifac)%f%right_cell => this%smart_pointer%cell(icel)%p
endif
endif
enddo
else if (.not. associated(pcel_nbor)) then
if (.not. associated(this%face_2D(ifac)%f%left_cell)) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p
endif
endif
pcel_nbor => pcel%neighbor2
if (associated(pcel_nbor)) then
do jfac_nbor = 1, 4
pfac2_nbor => pcel_nbor%faces(jfac_nbor)
if (pfac2_nbor%idface == ifac) then
if (pcel%ident <= pcel_nbor%ident) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p
this%face_2D(ifac)%f%right_cell => this%smart_pointer%cell(icel)%p%neighbor2
else if (pcel%ident > pcel_nbor%ident) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p%neighbor2
this%face_2D(ifac)%f%right_cell => this%smart_pointer%cell(icel)%p
endif
endif
enddo
else if (.not. associated(pcel_nbor)) then
if (.not. associated(this%face_2D(ifac)%f%left_cell)) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p
endif
endif
pcel_nbor => pcel%neighbor3
if (associated(pcel_nbor)) then
do jfac_nbor = 1, 4
pfac2_nbor => pcel_nbor%faces(jfac_nbor)
if (pfac2_nbor%idface == ifac) then
if (pcel%ident <= pcel_nbor%ident) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p
this%face_2D(ifac)%f%right_cell => this%smart_pointer%cell(icel)%p%neighbor3
else if (pcel%ident > pcel_nbor%ident) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p%neighbor3
this%face_2D(ifac)%f%right_cell => this%smart_pointer%cell(icel)%p
endif
endif
enddo
else if (.not. associated(pcel_nbor)) then
if (.not. associated(this%face_2D(ifac)%f%left_cell)) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p
endif
endif
pcel_nbor => pcel%neighbor4
if (associated(pcel_nbor)) then
do jfac_nbor = 1, 4
pfac2_nbor => pcel_nbor%faces(jfac_nbor)
if (pfac2_nbor%idface == ifac) then
if (pcel%ident <= pcel_nbor%ident) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p
this%face_2D(ifac)%f%right_cell => this%smart_pointer%cell(icel)%p%neighbor4
else if (pcel%ident > pcel_nbor%ident) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p%neighbor4
this%face_2D(ifac)%f%right_cell => this%smart_pointer%cell(icel)%p
endif
endif
enddo
else if (.not. associated(pcel_nbor)) then
if (.not. associated(this%face_2D(ifac)%f%left_cell)) then
this%face_2D(ifac)%f%left_cell => this%smart_pointer%cell(icel)%p
endif
endif
! Assign tangent and normal vectors
this%face_2D(ifac)%f%tangent_vector = vector_t(this%face_2D(ifac)%f%p2%x - this%face_2D(ifac)%f%p1%x, &
& this%face_2D(ifac)%f%p2%y - this%face_2D(ifac)%f%p1%y, 0.0d0)
norm_vec = .abs. (this%face_2D(ifac)%f%tangent_vector)
this%face_2D(ifac)%f%len_tan = norm_vec
this%face_2D(ifac)%f%tangent_vector = this%face_2D(ifac)%f%tangent_vector .times. (1.0d0 / norm_vec)
if (associated(this%face_2D(ifac)%f%right_cell, this%smart_pointer%cell(icel)%p)) then
this%face_2D(ifac)%f%normal_vector = vector_t(this%face_2D(ifac)%f%p1%y - this%face_2D(ifac)%f%p2%y, &
& this%face_2D(ifac)%f%p2%x - this%face_2D(ifac)%f%p1%x, 0.0d0)
else if (associated(this%face_2D(ifac)%f%left_cell, this%smart_pointer%cell(icel)%p)) then
this%face_2D(ifac)%f%normal_vector = vector_t(-this%face_2D(ifac)%f%p1%y + this%face_2D(ifac)%f%p2%y, &
& -this%face_2D(ifac)%f%p2%x + this%face_2D(ifac)%f%p1%x, 0.0d0)
endif
norm_vec = .abs. (this%face_2D(ifac)%f%normal_vector)
this%face_2D(ifac)%f%len_nor = norm_vec
this%face_2D(ifac)%f%normal_vector = this%face_2D(ifac)%f%normal_vector .times. (1.0d0 / norm_vec)
endif
enddo
enddo
enddo
end subroutine assign_face_2D
end module mod_fvm_face_2D