fluid_output.f90

Go to the documentation of this file.

! Copyright (c) 2020-2023, The Neko Authors
! All rights reserved.
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
!
!   * Redistributions of source code must retain the above copyright
!     notice, this list of conditions and the following disclaimer.
!
!   * Redistributions in binary form must reproduce the above
!     copyright notice, this list of conditions and the following
!     disclaimer in the documentation and/or other materials provided
!     with the distribution.
!
!   * Neither the name of the authors nor the names of its
!     contributors may be used to endorse or promote products derived
!     from this software without specific prior written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
! LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
! FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
! COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
! INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
! BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
! LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
! CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
! ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
module fluid_output
  use num_types, only : rp
  use fluid_scheme_incompressible, only : fluid_scheme_incompressible_t
  use fluid_scheme_base, only : fluid_scheme_base_t
  use scalar_scheme, only : scalar_scheme_t
  use field_list, only : field_list_t
  use neko_config, only : neko_bcknd_device
  use device
  use output, only : output_t
  implicit none
  private
 
  type, public, extends(output_t) :: fluid_output_t
     type(field_list_t) :: fluid
   contains
     procedure, pass(this) :: init => fluid_output_init
     procedure, pass(this) :: sample => fluid_output_sample
     procedure, pass(this) :: free => fluid_output_free
  end type fluid_output_t
  type, public, extends(output_t) :: fluid_output_t …
 
contains
 
  subroutine fluid_output_init(this, precision, fluid, scalar, name, path)
    class(fluid_output_t), intent(inout) :: this
    integer, intent(inout) :: precision
    class(fluid_scheme_base_t), intent(in), target :: fluid
    class(scalar_scheme_t), intent(in), optional, target :: scalar
    character(len=*), intent(in), optional :: name
    character(len=*), intent(in), optional :: path
    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) // 'field.fld'
    else
       fname = 'field.fld'
    end if
 
    call this%init_base(fname, precision)
 
    if (present(scalar)) then
       call this%fluid%init(5)
    else
       call this%fluid%init(4)
    end if
 
    call this%fluid%assign(1, fluid%p)
    call this%fluid%assign(2, fluid%u)
    call this%fluid%assign(3, fluid%v)
    call this%fluid%assign(4, fluid%w)
 
    if (present(scalar)) then
       call this%fluid%assign(5, scalar%s)
    end if
 
  subroutine fluid_output_init(this, precision, fluid, scalar, name, path) …
  end subroutine fluid_output_init
 
  subroutine fluid_output_free(this)
    class(fluid_output_t), intent(inout) :: this
 
    call this%fluid%free()
 
  subroutine fluid_output_free(this) …
  end subroutine fluid_output_free
 
  subroutine fluid_output_sample(this, t)
    class(fluid_output_t), intent(inout) :: this
    real(kind=rp), intent(in) :: t
    integer :: i
 
    if (neko_bcknd_device .eq. 1) then
 
       associate(fields => this%fluid%items)
         do i = 1, size(fields)
            call device_memcpy(fields(i)%ptr%x, fields(i)%ptr%x_d, &
                 fields(i)%ptr%dof%size(), device_to_host, &
                 sync=(i .eq. size(fields))) ! Sync on the last field
         end do
       end associate
 
    end if
 
    call this%file_%write(this%fluid, t)
 
  subroutine fluid_output_sample(this, t) …
  end subroutine fluid_output_sample
 
end module fluid_output