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Allow MOM6 to use a mesh optionally #54

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merged 4 commits into from
Feb 11, 2021
Merged

Allow MOM6 to use a mesh optionally #54

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7db2cc7
make mom mesh optional
DeniseWorthen Jan 28, 2021
13a5a2e
comment out mask check which fails for mx100
DeniseWorthen Jan 28, 2021
12b3895
Merge branch 'dev/emc' into feature/optmesh
DeniseWorthen Jan 29, 2021
a34ebb1
remove tempory bypass of mesh abort code
DeniseWorthen Jan 29, 2021
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23 changes: 22 additions & 1 deletion config_src/nuopc_driver/mom_cap.F90
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,7 @@ module MOM_cap_mod
use ESMF, only: ESMF_AlarmCreate, ESMF_ClockGetAlarmList, ESMF_AlarmList_Flag
use ESMF, only: ESMF_AlarmGet, ESMF_AlarmIsCreated, ESMF_ALARMLIST_ALL, ESMF_AlarmIsEnabled
use ESMF, only: ESMF_STATEITEM_NOTFOUND, ESMF_FieldWrite
use ESMF, only: ESMF_END_ABORT, ESMF_Finalize
use ESMF, only: operator(==), operator(/=), operator(+), operator(-)

! TODO ESMF_GridCompGetInternalState does not have an explicit Fortran interface.
Expand Down Expand Up @@ -135,6 +136,7 @@ module MOM_cap_mod
logical :: profile_memory = .true.
logical :: grid_attach_area = .false.
logical :: use_coldstart = .true.
logical :: use_mommesh = .false.
character(len=128) :: scalar_field_name = ''
integer :: scalar_field_count = 0
integer :: scalar_field_idx_grid_nx = 0
Expand All @@ -147,7 +149,7 @@ module MOM_cap_mod
type(ESMF_GeomType_Flag) :: geomtype = ESMF_GEOMTYPE_MESH
#else
logical :: cesm_coupled = .false.
type(ESMF_GeomType_Flag) :: geomtype = ESMF_GEOMTYPE_GRID
type(ESMF_GeomType_Flag) :: geomtype
#endif
character(len=8) :: restart_mode = 'alarms'

Expand Down Expand Up @@ -347,6 +349,25 @@ subroutine InitializeP0(gcomp, importState, exportState, clock, rc)
write(logmsg,*) use_coldstart
call ESMF_LogWrite('MOM_cap:use_coldstart = '//trim(logmsg), ESMF_LOGMSG_INFO)

use_mommesh = .false.
call NUOPC_CompAttributeGet(gcomp, name="use_mommesh", value=value, &
isPresent=isPresent, isSet=isSet, rc=rc)
if (ChkErr(rc,__LINE__,u_FILE_u)) return
if (isPresent .and. isSet) use_mommesh=(trim(value)=="true")
write(logmsg,*) use_mommesh
call ESMF_LogWrite('MOM_cap:use_mommesh = '//trim(logmsg), ESMF_LOGMSG_INFO)

if(use_mommesh)then
geomtype = ESMF_GEOMTYPE_MESH
call NUOPC_CompAttributeGet(gcomp, name='mesh_ocn', isPresent=isPresent, isSet=isSet, rc=rc)
if (.not. isPresent .and. .not. isSet) then
call ESMF_LogWrite('geomtype set to mesh but mesh_ocn is not specified', ESMF_LOGMSG_INFO)
call ESMF_Finalize(endflag=ESMF_END_ABORT)
endif
else
geomtype = ESMF_GEOMTYPE_GRID
endif

end subroutine

!> Called by NUOPC to advertise import and export fields. "Advertise"
Expand Down