inflow.f90

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module inflow
  use device_inflow
  use num_types, only : rp
  use bc, only : bc_t
  use, intrinsic :: iso_c_binding, only : c_ptr, c_loc
  use coefs, only : coef_t
  use json_module, only : json_file
  use json_utils, only : json_get
  implicit none
  private
 
  type, public, extends(bc_t) :: inflow_t
     real(kind=rp), dimension(3) :: x = [0d0, 0d0, 0d0]
   contains
     procedure, pass(this) :: apply_scalar => inflow_apply_scalar
     procedure, pass(this) :: apply_vector => inflow_apply_vector
     procedure, pass(this) :: apply_scalar_dev => inflow_apply_scalar_dev
     procedure, pass(this) :: apply_vector_dev => inflow_apply_vector_dev
     procedure, pass(this) :: init => inflow_init
     procedure, pass(this) :: free => inflow_free
     procedure, pass(this) :: finalize => inflow_finalize
  end type inflow_t
  type, public, extends(bc_t) :: inflow_t …
 
contains
 
  subroutine inflow_init(this, coef, json)
    class(inflow_t), intent(inout), target :: this
    type(coef_t), intent(in) :: coef
    type(json_file), intent(inout) ::json
    real(kind=rp), allocatable :: x(:)
 
    call this%init_base(coef)
    call json_get(json, 'value', x)
    this%x = x
  subroutine inflow_init(this, coef, json) …
  end subroutine inflow_init
 
  subroutine inflow_apply_scalar(this, x, n, t, tstep, strong)
    class(inflow_t), intent(inout) :: this
    integer, intent(in) :: n
    real(kind=rp), intent(inout),  dimension(n) :: x
    real(kind=rp), intent(in), optional :: t
    integer, intent(in), optional :: tstep
    logical, intent(in), optional :: strong
  subroutine inflow_apply_scalar(this, x, n, t, tstep, strong) …
  end subroutine inflow_apply_scalar
 
  subroutine inflow_apply_scalar_dev(this, x_d, t, tstep, strong)
    class(inflow_t), intent(inout), target :: this
    type(c_ptr) :: x_d
    real(kind=rp), intent(in), optional :: t
    integer, intent(in), optional :: tstep
    logical, intent(in), optional :: strong
  subroutine inflow_apply_scalar_dev(this, x_d, t, tstep, strong) …
  end subroutine inflow_apply_scalar_dev
 
  subroutine inflow_apply_vector(this, x, y, z, n, t, tstep, strong)
    class(inflow_t), intent(inout) :: this
    integer, intent(in) :: n
    real(kind=rp), intent(inout),  dimension(n) :: x
    real(kind=rp), intent(inout),  dimension(n) :: y
    real(kind=rp), intent(inout),  dimension(n) :: z
    real(kind=rp), intent(in), optional :: t
    logical, intent(in), optional :: strong
    integer, intent(in), optional :: tstep
    integer :: i, m, k
    logical :: strong_ = .true.
 
    if (present(strong)) strong_ = strong
 
    m = this%msk(0)
 
    if (strong_) then
      do i = 1, m
        k = this%msk(i)
        x(k) = this%x(1)
        y(k) = this%x(2)
        z(k) = this%x(3)
      end do
    end if
  subroutine inflow_apply_vector(this, x, y, z, n, t, tstep, strong) …
  end subroutine inflow_apply_vector
 
  subroutine inflow_apply_vector_dev(this, x_d, y_d, z_d, t, tstep, strong)
    class(inflow_t), intent(inout), target :: this
    type(c_ptr) :: x_d
    type(c_ptr) :: y_d
    type(c_ptr) :: z_d
    real(kind=rp), intent(in), optional :: t
    integer, intent(in), optional :: tstep
    logical, intent(in), optional :: strong
    logical :: strong_ = .true.
 
    if (present(strong)) strong_ = strong
 
    if (strong_ .and. (this%msk(0) .gt. 0)) then
       call device_inflow_apply_vector(this%msk_d, x_d, y_d, z_d, &
            c_loc(this%x), this%msk(0))
    end if
 
  subroutine inflow_apply_vector_dev(this, x_d, y_d, z_d, t, tstep, strong) …
  end subroutine inflow_apply_vector_dev
 
  subroutine inflow_free(this)
    class(inflow_t), target, intent(inout) :: this
 
    call this%free_base()
  subroutine inflow_free(this) …
  end subroutine inflow_free
 
  subroutine inflow_finalize(this)
    class(inflow_t), target, intent(inout) :: this
 
    call this%finalize_base()
  subroutine inflow_finalize(this) …
  end subroutine inflow_finalize
 
 
end module inflow