Small change to CMake for MPAS + Initial MPAS interstitial scheme.

CMakeLists.txt

@@ -199,7 +199,7 @@ target_link_libraries(ccpp_physics PUBLIC w3emc::w3emc_d
                                           NetCDF::NetCDF_Fortran
 				             )
 #add FMS for FV3 only
-if(FV3)
+if(FV3 OR MPAS)
   target_link_libraries(ccpp_physics PUBLIC fms)
 endif()
 

physics/Interstitials/UFS_SCM_NEPTUNE/GFS_rad_time_vary.mpas.F90

@@ -0,0 +1,72 @@
+!>\file GFS_rad_time_vary.mpas.F90
+!!  Contains code related to GFS radiation suite setup (radiation part of time_vary_step)
+module GFS_rad_time_vary
+  implicit none
+
+  private
+
+  public GFS_rad_time_vary_timestep_init
+
+contains
+
+!> This module contains code related to GFS radiation setup.
+
+!> \section arg_table_GFS_rad_time_vary_timestep_init Argument Table
+!! \htmlinclude GFS_rad_time_vary_timestep_init.html
+!!
+  subroutine GFS_rad_time_vary_timestep_init (lrseeds, rseeds, lslwr, lsswr, isubc_lw, &
+       isubc_sw, icsdsw, icsdlw, sec, kdt,  ipsd0, ipsdlim, errmsg, errflg)
+    use mersenne_twister, only: random_setseed, random_index, random_stat
+    use machine,          only: kind_phys
+    use radcons,          only: con_100
+    implicit none
+
+    ! Interface variables
+    logical,                intent(in)    :: lrseeds
+    integer,                intent(in), optional :: rseeds(:,:)
+    integer,                intent(in)    :: isubc_lw, isubc_sw, kdt
+    integer,                intent(in)    :: ipsd0, ipsdlim
+    logical,                intent(in)    :: lslwr, lsswr
+    integer,                intent(inout), optional :: icsdsw(:), icsdlw(:)
+    real(kind_phys),        intent(in)    :: sec
+    character(len=*),       intent(out)   :: errmsg
+    integer,                intent(out)   :: errflg
+
+    ! Local variables
+    type (random_stat) :: stat
+    integer :: ix, j, i, ipseed, ixx
+    integer, allocatable, dimension(:) :: numrdm
+
+    ! Initialize CCPP error handling variables
+    errmsg = ''
+    errflg = 0
+
+    if (lsswr .or. lslwr) then
+       !--- set up random seed index in a reproducible way for entire cubed-sphere face (lat-lon grid)
+       if ((isubc_lw==2) .or. (isubc_sw==2)) then
+          !NRL If random seeds supplied by NEPTUNE
+          if(lrseeds) then
+             do ix=1,size(icsdsw)
+                icsdsw(ix) = rseeds(ix,1)
+                icsdlw(ix) = rseeds(ix,2)
+             enddo
+          else
+             allocate(numrdm(size(icsdlw)*2))
+             ipseed = mod(nint(con_100*sqrt(sec)), ipsdlim) + 1 + ipsd0
+             call random_setseed (ipseed, stat)
+             call random_index (ipsdlim, numrdm, stat)
+
+             ixx = 1
+             do ix=1,size(icsdsw)*2,2
+                icsdsw(ixx) = numrdm(ix)
+                icsdlw(ixx) = numrdm(ix+1)
+                ixx = ixx + 1
+             enddo
+             deallocate(numrdm)
+          end if ! lrseeds
+       endif     ! isubc_lw and isubc_sw
+    endif        ! lsswr or lslwr
+
+  end subroutine GFS_rad_time_vary_timestep_init
+
+end module GFS_rad_time_vary

physics/Interstitials/UFS_SCM_NEPTUNE/GFS_rad_time_vary.mpas.meta

@@ -0,0 +1,114 @@
+[ccpp-table-properties]
+  name = GFS_rad_time_vary
+  type = scheme
+  relative_path = ../../
+  dependencies = hooks/machine.F,Radiation/mersenne_twister.f,Radiation/RRTMG/radcons.f90
+
+########################################################################
+[ccpp-arg-table]
+  name = GFS_rad_time_vary_timestep_init
+  type = scheme
+[lrseeds]
+  standard_name = do_host_provided_random_seeds
+  long_name = flag to use host-provided random seeds
+  units = flag
+  dimensions = ()
+  type = logical
+  intent = in
+[rseeds]
+  standard_name = random_number_seeds_from_host
+  long_name = random number seeds from host
+  units = none
+  dimensions = (horizontal_dimension, number_of_host_provided_random_number_streams)
+  type = integer
+  intent = in
+  optional = True
+[lslwr]
+  standard_name = flag_for_calling_longwave_radiation
+  long_name = logical flags for lw radiation calls
+  units = flag
+  dimensions = ()
+  type = logical
+  intent = in
+[lsswr]
+  standard_name = flag_for_calling_shortwave_radiation
+  long_name = logical flags for sw radiation calls
+  units = flag
+  dimensions = ()
+  type = logical
+  intent = in
+[isubc_lw]
+  standard_name = flag_for_lw_clouds_sub_grid_approximation
+  long_name = flag for lw clouds sub-grid approximation
+  units = flag
+  dimensions = ()
+  type = integer
+  intent = in
+[isubc_sw]
+  standard_name = flag_for_sw_clouds_grid_approximation
+  long_name = flag for sw clouds sub-grid approximation
+  units = flag
+  dimensions = ()
+  type = integer
+  intent = in
+[icsdsw]
+  standard_name = random_number_seed_for_mcica_shortwave
+  long_name = random seeds for sub-column cloud generators sw
+  units = none
+  dimensions = (horizontal_dimension)
+  type = integer
+  intent = inout
+  optional = True
+[icsdlw]
+  standard_name = random_number_seed_for_mcica_longwave
+  long_name = random seeds for sub-column cloud generators lw
+  units = none
+  dimensions = (horizontal_dimension)
+  type = integer
+  intent = inout
+  optional = True
+[sec]
+  standard_name = forecast_time_in_seconds
+  long_name = seconds elapsed since model initialization
+  units = s
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[kdt]
+  standard_name = index_of_timestep
+  long_name = current forecast iteration
+  units = index
+  dimensions = ()
+  type = integer
+  intent = in
+[ipsd0]
+  standard_name = initial_seed_for_mcica
+  long_name = initial permutaion seed for mcica radiation
+  units = 1
+  dimensions =  ()
+  type = integer
+  intent = in
+[ipsdlim]
+  standard_name = limit_for_initial_seed_for_mcica
+  long_name = limit for initial permutaion seed for mcica radiation
+  units = 1
+  dimensions =  ()
+  type = integer
+  intent = in
+[errmsg]
+  standard_name = ccpp_error_message
+  long_name = error message for error handling in CCPP
+  units = none
+  dimensions = ()
+  type = character
+  kind = len=*
+  intent = out
+[errflg]
+  standard_name = ccpp_error_code
+  long_name = error code for error handling in CCPP
+  units = 1
+  dimensions = ()
+  type = integer
+  intent = out
+