les_simcomp.f90

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module les_simcomp
  use num_types, only : rp
  use json_module, only : json_file
  use simulation_component, only : simulation_component_t
  use case, only : case_t
  use time_state, only : time_state_t
  use les_model, only : les_model_t, les_model_factory
  use json_utils, only : json_get, json_get_or_default
  use field_writer, only : field_writer_t
  use utils, only : neko_error
  implicit none
  private
 
  type, public, extends(simulation_component_t) :: les_simcomp_t
     class(les_model_t), allocatable :: les_model
     type(field_writer_t) :: writer
   contains
     procedure, pass(this) :: init => les_simcomp_init_from_json
     procedure, pass(this) :: free => les_simcomp_free
     procedure, pass(this) :: preprocess_ => les_simcomp_compute
     procedure, pass(this) :: restart_ => les_simcomp_restart
  end type les_simcomp_t
 
contains
 
  subroutine les_simcomp_init_from_json(this, json, case)
    class(les_simcomp_t), intent(inout), target :: this
    type(json_file), intent(inout) :: json
    class(case_t), intent(inout), target :: case
    character(len=:), allocatable :: name
    character(len=:), allocatable :: nut_field
    character(len=20) :: fields(2)
 
    call this%free()
 
    ! Add fields keyword to the json so that the field_writer picks it up.
    ! Will also add fields to the registry if missing.
    call json_get_or_default(json, "nut_field", nut_field, "nut")
    fields(1) = "les_delta"
    fields(2) = nut_field
 
    call json%add("fields", fields)
 
    call this%init_base(json, case)
    call this%writer%init(json, case)
 
    call json_get(json, "model", name)
 
    call les_model_factory(this%les_model, name, case%fluid, json)
  end subroutine les_simcomp_init_from_json
 
  subroutine les_simcomp_free(this)
    class(les_simcomp_t), intent(inout) :: this
    call this%free_base()
    call this%writer%free()
 
    if (allocated(this%les_model)) then
       call this%les_model%free()
       deallocate(this%les_model)
    end if
  end subroutine les_simcomp_free
 
  subroutine les_simcomp_compute(this, time)
    class(les_simcomp_t), intent(inout) :: this
    type(time_state_t), intent(in) :: time
 
    call this%les_model%compute(time%t, time%tstep)
  end subroutine les_simcomp_compute
 
  subroutine les_simcomp_restart(this, time)
    class(les_simcomp_t), intent(inout) :: this
    type(time_state_t), intent(in) :: time
 
    call this%les_model%compute(time%t, 0)
  end subroutine les_simcomp_restart
 
end module les_simcomp