lambda2.f90

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module lambda2
  use num_types, only : rp
  use json_module, only : json_file
  use simulation_component, only : simulation_component_t
  use field_registry, only : neko_field_registry
  use field, only : field_t
  use operators, only : lambda2op
  use case, only : case_t
  use field_writer, only : field_writer_t
  use device
  implicit none
  private
 
  type, public, extends(simulation_component_t) :: lambda2_t
     type(field_t), pointer :: u
     type(field_t), pointer :: v
     type(field_t), pointer :: w
 
     type(field_t), pointer :: lambda2
 
     type(field_t) :: temp1
     type(field_t) :: temp2
 
     type(field_writer_t) :: writer
 
   contains
     procedure, pass(this) :: init => lambda2_init_from_json
     procedure, pass(this) :: init_from_attributes => &
          lambda2_init_from_attributes
     procedure, pass(this) :: free => lambda2_free
     procedure, pass(this) :: compute_ => lambda2_compute
  end type lambda2_t
 
contains
 
  subroutine lambda2_init_from_json(this, json, case)
    class(lambda2_t), intent(inout) :: this
    type(json_file), intent(inout) :: json
    class(case_t), intent(inout), target ::case
    character(len=20) :: fields(1)
    type(field_t), pointer :: u, v, w, lambda2
 
    ! Add fields keyword to the json so that the field_writer picks it up.
    ! Will also add fields to the registry.
    fields(1) = "lambda2"
    call json%add("fields", fields)
 
    call this%init_base(json, case)
    call this%writer%init(json, case)
    u => neko_field_registry%get_field("u")
    v => neko_field_registry%get_field("v")
    w => neko_field_registry%get_field("w")
    lambda2 => neko_field_registry%get_field("lambda2")
 
    call lambda2_init_from_attributes(this, u, v, w, lambda2)
  end subroutine lambda2_init_from_json
 
  subroutine lambda2_init_from_attributes(this, u, v, w, lambda2)
    class(lambda2_t), intent(inout) :: this
    type(field_t), pointer, intent(inout) :: u, v, w, lambda2
 
    this%u => u
    this%v => v
    this%w => w
    this%lambda2 => lambda2
 
  end subroutine lambda2_init_from_attributes
 
  subroutine lambda2_free(this)
    class(lambda2_t), intent(inout) :: this
    call this%free_base()
  end subroutine lambda2_free
 
  subroutine lambda2_compute(this, t, tstep)
    class(lambda2_t), intent(inout) :: this
    real(kind=rp), intent(in) :: t
    integer, intent(in) :: tstep
 
    call lambda2op(this%lambda2, this%u, this%v, this%w, this%case%fluid%c_Xh)
 
  end subroutine lambda2_compute
 
end module lambda2