mean_flow_output.f90

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module mean_flow_output
  use mean_flow, only : mean_flow_t
  use num_types, only : rp
  use device
  use output, only : output_t
  implicit none
  private
 
  type, public, extends(output_t) :: mean_flow_output_t
     type(mean_flow_t), pointer :: mf
     real(kind=rp) :: t_begin
   contains
     procedure, pass(this) :: sample => mean_flow_output_sample
  end type mean_flow_output_t
 
  interface mean_flow_output_t
     module procedure mean_flow_output_init
  end interface mean_flow_output_t
 
contains
 
  function mean_flow_output_init(mf, T_begin, name, path) result(this)
    type(mean_flow_t), intent(in), target ::mf
    real(kind=rp), intent(in) :: t_begin
    character(len=*), intent(in), optional :: name
    character(len=*), intent(in), optional :: path
    type(mean_flow_output_t) :: this
    character(len=1024) :: fname
 
    if (present(name) .and. present(path)) then
       fname = trim(path) // trim(name) // '.fld'
    else if (present(name)) then
       fname = trim(name) // '.fld'
    else if (present(path)) then
       fname = trim(path) // 'mean_field.fld'
    else
       fname = 'mean_field.fld'
    end if
 
    call this%init_base(fname)
    this%mf => mf
    this%T_begin = t_begin
  end function mean_flow_output_init
 
  subroutine mean_flow_output_sample(this, t)
    class(mean_flow_output_t), intent(inout) :: this
    real(kind=rp), intent(in) :: t
 
    if (t .ge. this%T_begin) then
       call device_memcpy(this%mf%p%mf%x, this%mf%p%mf%x_d, this%mf%p%mf%dof%size(), &
                          device_to_host, sync=.false.)
       call device_memcpy(this%mf%u%mf%x, this%mf%u%mf%x_d, this%mf%p%mf%dof%size(), &
                          device_to_host, sync=.false.)
       call device_memcpy(this%mf%v%mf%x, this%mf%v%mf%x_d, this%mf%p%mf%dof%size(), &
                          device_to_host, sync=.false.)
       call device_memcpy(this%mf%w%mf%x, this%mf%w%mf%x_d, this%mf%p%mf%dof%size(), &
                          device_to_host, sync=.true.)
       call this%file_%write(this%mf, t)
       call this%mf%reset()
    end if
 
  end subroutine mean_flow_output_sample
 
end module mean_flow_output