design_simple.f90

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! Implements the `simple_design_t` type.
module simple_design
  use num_types, only: rp, sp
  use field, only: field_t
  use mapping, only: mapping_t
  use pde_filter, only: pde_filter_t
  use ramp_mapping, only: ramp_mapping_t
  use coefs, only: coef_t
  use scratch_registry, only: neko_scratch_registry
  use fld_file_output, only: fld_file_output_t
  use point_zone_registry, only: neko_point_zone_registry
  use point_zone, only: point_zone_t
  use mask_ops, only: mask_exterior_const
  use neko_config, only: neko_bcknd_device
  use device, only: device_memcpy, host_to_device
  use design, only: design_t
  use math, only: rzero
  use simulation_m, only: simulation_t
  use comm, only: pe_size
  use json_module, only: json_file
  use json_utils, only: json_get, json_get_or_default
  use simple_brinkman_source_term, only: simple_brinkman_source_term_t
  use vector, only: vector_t
  use math, only: copy
  use field_registry, only: neko_field_registry
  use utils, only:neko_error
  implicit none
  private
 
  type, extends(design_t), public :: simple_design_t
     private
 
     type(vector_t) :: values
     type(vector_t) :: x_coord
     type(vector_t) :: y_coord
     type(vector_t) :: z_coord
 
   contains
 
     ! ----------------------------------------------------------------------- !
     ! Initializations
 
     generic, public :: init => init_from_json, init_from_components
     procedure, pass(this) :: init_from_json => &
          design_simple_init_from_json
     procedure, pass(this) :: init_from_components => &
          design_simple_init_from_components
 
     procedure, pass(this) :: add_mapping => design_simple_add_mapping
 
     procedure, pass(this) :: get_values => design_simple_get_values
     procedure, pass(this) :: design_get_x => design_simple_get_x
     procedure, pass(this) :: design_get_y => design_simple_get_y
     procedure, pass(this) :: design_get_z => design_simple_get_z
 
     procedure, pass(this) :: update_design => design_simple_update_design
 
     procedure, pass(this) :: map_forward => design_simple_map_forward
 
     procedure, pass(this) :: map_backward => design_simple_map_backward
 
     procedure, pass(this) :: write => design_simple_write
 
     procedure, pass(this) :: free => design_simple_free
 
  end type simple_design_t
 
contains
 
  subroutine design_simple_init_from_json(this, parameters)
    class(simple_design_t), intent(inout) :: this
    type(json_file), intent(inout) :: parameters
    character(len=:), allocatable :: type, name
    integer :: n, nx, ny, nz, i, j, k
    real(kind=rp), dimension(:), allocatable :: limits
    type(vector_t) :: x, y, z
 
    call json_get(parameters, 'domain.type', type)
    call json_get_or_default(parameters, 'name', name, 'Simple Design')
 
    select case (trim(type))
    case ("box")
       call json_get(parameters, 'domain.nx', nx)
       call json_get(parameters, 'domain.ny', ny)
       call json_get(parameters, 'domain.nz', nz)
       call json_get(parameters, 'domain.limits', limits)
       n = nx * ny * nz
 
       call x%init(n)
       call y%init(n)
       call z%init(n)
 
       do i = 1, nx
          do j = 1, ny
             do k = 1, nz
                x%x(i) = limits(1) + (limits(2) - limits(1)) * &
                     real(i - 1, kind=rp) / real(nx, kind=rp)
                y%x(i) = limits(3) + (limits(4) - limits(3)) * &
                     real(j - 1, kind=rp) / real(ny, kind=rp)
                z%x(i) = limits(5) + (limits(6) - limits(5)) * &
                     real(k - 1, kind=rp) / real(nz, kind=rp)
             end do
          end do
       end do
 
    end select
 
    call this%init_from_components(name, n, x, y, z)
 
  end subroutine design_simple_init_from_json
 
  subroutine design_simple_init_from_components(this, name, n, x, y, z)
    class(simple_design_t), intent(inout) :: this
    character(len=*), intent(in) :: name
    integer, intent(in) :: n
    type(vector_t), intent(in) :: x, y, z
 
    if (pe_size .ne. 1) then
       call neko_error("Simple design can only be used with a single MPI " // &
            "process.")
    end if
 
    call this%init_base(name, n)
 
    call this%values%init(n)
    this%x_coord = x
    this%y_coord = y
    this%z_coord = z
 
  end subroutine design_simple_init_from_components
 
  subroutine design_simple_free(this)
    class(simple_design_t), intent(inout) :: this
 
    call this%free_base()
    call this%values%free()
    call this%x_coord%free()
    call this%y_coord%free()
    call this%z_coord%free()
 
  end subroutine design_simple_free
 
  subroutine design_simple_add_mapping(this, parameters, simulation)
    class(simple_design_t), intent(inout) :: this
    type(json_file), intent(inout) :: parameters
    type(simulation_t), intent(inout) :: simulation
 
  end subroutine design_simple_add_mapping
 
 
  subroutine design_simple_map_forward(this)
    class(simple_design_t), intent(inout) :: this
 
 
  end subroutine design_simple_map_forward
 
  subroutine design_simple_get_values(this, values)
    class(simple_design_t), intent(in) :: this
    type(vector_t), intent(inout) :: values
 
    values = this%values
 
  end subroutine design_simple_get_values
 
  subroutine design_simple_get_x(this, x)
    class(simple_design_t), intent(in) :: this
    type(vector_t), intent(inout) :: x
 
    x = this%x_coord
 
  end subroutine design_simple_get_x
 
  subroutine design_simple_get_y(this, y)
    class(simple_design_t), intent(in) :: this
    type(vector_t), intent(inout) :: y
 
    y = this%y_coord
 
  end subroutine design_simple_get_y
 
  subroutine design_simple_get_z(this, z)
    class(simple_design_t), intent(in) :: this
    type(vector_t), intent(inout) :: z
 
    z = this%z_coord
 
  end subroutine design_simple_get_z
 
  subroutine design_simple_update_design(this, values)
    class(simple_design_t), intent(inout) :: this
    type(vector_t), intent(inout) :: values
 
    this%values = values
 
  end subroutine design_simple_update_design
 
  subroutine design_simple_map_backward(this, sensitivity)
    class(simple_design_t), intent(inout) :: this
    type(vector_t), intent(in) :: sensitivity
 
  end subroutine design_simple_map_backward
 
  subroutine design_simple_write(this, idx)
    class(simple_design_t), intent(inout) :: this
    integer, intent(in) :: idx
 
  end subroutine design_simple_write
 
end module simple_design