deardorff_device.f90

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module deardorff_device
  use num_types, only : rp
  use utils, only : neko_error
  use math, only : neko_eps
  use scratch_registry, only : neko_scratch_registry
  use registry, only : neko_registry
  use field, only : field_t
  use operators, only : grad
  use coefs, only : coef_t
  use gs_ops, only : gs_op_add
  use device_math, only : device_col2
  use device_deardorff_nut, only : device_deardorff_nut_compute
  implicit none
  private
 
  public :: deardorff_compute_device
 
contains
 
  subroutine deardorff_compute_device(t, tstep, coef, &
       temperature_field_name, TKE_field_name, &
       nut, temperature_alphat, &
       TKE_alphat, TKE_source, &
       delta, c_k, T0, g)
    real(kind=rp), intent(in) :: t
    integer, intent(in) :: tstep
    type(coef_t), intent(in) :: coef
    character(len=*), intent(in) :: temperature_field_name
    character(len=*), intent(in) :: tke_field_name
    type(field_t), intent(inout) :: nut, temperature_alphat
    type(field_t), intent(inout) :: tke_alphat, tke_source
    type(field_t), intent(in) :: delta
    real(kind=rp), intent(in) :: c_k, t0, g(3)
 
    type(field_t), pointer :: tke, temperature
    type(field_t), pointer :: dtdx, dtdy, dtdz
    type(field_t), pointer :: u, v, w
    type(field_t), pointer :: a11, a12, a13, a21, a22, a23, a31, a32, a33
    integer :: temp_indices(12)
 
    tke => neko_registry%get_field_by_name(tke_field_name)
    temperature => neko_registry%get_field_by_name(temperature_field_name)
 
    u => neko_registry%get_field_by_name("u")
    v => neko_registry%get_field_by_name("v")
    w => neko_registry%get_field_by_name("w")
 
    call neko_scratch_registry%request_field(dtdx, temp_indices(1), .false.)
    call neko_scratch_registry%request_field(dtdy, temp_indices(2), .false.)
    call neko_scratch_registry%request_field(dtdz, temp_indices(3), .false.)
 
    ! Calculate vertical temperature gradients
    call grad(dtdx%x, dtdy%x, dtdz%x, temperature%x, coef)
 
    call coef%gs_h%op(dtdx, gs_op_add)
    call coef%gs_h%op(dtdy, gs_op_add)
    call coef%gs_h%op(dtdz, gs_op_add)
    call device_col2(dtdx%x_d, coef%mult_d, nut%dof%size())
    call device_col2(dtdy%x_d, coef%mult_d, nut%dof%size())
    call device_col2(dtdz%x_d, coef%mult_d, nut%dof%size())
 
    ! Compute velocity gradients
    call neko_scratch_registry%request_field(a11, temp_indices(4), .false.)
    call neko_scratch_registry%request_field(a12, temp_indices(5), .false.)
    call neko_scratch_registry%request_field(a13, temp_indices(6), .false.)
    call neko_scratch_registry%request_field(a21, temp_indices(7), .false.)
    call neko_scratch_registry%request_field(a22, temp_indices(8), .false.)
    call neko_scratch_registry%request_field(a23, temp_indices(9), .false.)
    call neko_scratch_registry%request_field(a31, temp_indices(10), .false.)
    call neko_scratch_registry%request_field(a32, temp_indices(11), .false.)
    call neko_scratch_registry%request_field(a33, temp_indices(12), .false.)
 
    call grad(a11%x, a12%x, a13%x, u%x, coef)
    call grad(a21%x, a22%x, a23%x, v%x, coef)
    call grad(a31%x, a32%x, a33%x, w%x, coef)
 
    call coef%gs_h%op(a11, gs_op_add)
    call coef%gs_h%op(a12, gs_op_add)
    call coef%gs_h%op(a13, gs_op_add)
    call coef%gs_h%op(a21, gs_op_add)
    call coef%gs_h%op(a22, gs_op_add)
    call coef%gs_h%op(a23, gs_op_add)
    call coef%gs_h%op(a31, gs_op_add)
    call coef%gs_h%op(a32, gs_op_add)
    call coef%gs_h%op(a33, gs_op_add)
 
    call device_col2(a11%x_d, coef%mult_d, nut%dof%size())
    call device_col2(a12%x_d, coef%mult_d, nut%dof%size())
    call device_col2(a13%x_d, coef%mult_d, nut%dof%size())
    call device_col2(a21%x_d, coef%mult_d, nut%dof%size())
    call device_col2(a22%x_d, coef%mult_d, nut%dof%size())
    call device_col2(a23%x_d, coef%mult_d, nut%dof%size())
    call device_col2(a31%x_d, coef%mult_d, nut%dof%size())
    call device_col2(a32%x_d, coef%mult_d, nut%dof%size())
    call device_col2(a33%x_d, coef%mult_d, nut%dof%size())
 
    call device_deardorff_nut_compute(tke%x_d, &
         dtdx%x_d, dtdy%x_d, dtdz%x_d, &
         a11%x_d, a12%x_d, a13%x_d, &
         a21%x_d, a22%x_d, a23%x_d, &
         a31%x_d, a32%x_d, a33%x_d, &
         delta%x_d, nut%x_d, temperature_alphat%x_d, &
         tke_alphat%x_d, tke_source%x_d, &
         c_k, t0, g, neko_eps, a11%dof%size())
 
    call neko_scratch_registry%relinquish_field(temp_indices)
  end subroutine deardorff_compute_device
 
end module deardorff_device