Difference between revisions of "The run icosa.def Input File"

##mpi_threading_mode=serialized
#mpi_threading_mode=funneled

#halo_i=0
#halo_j=1

# -------------------------------------------------------------------------------------
# --------------------------------------- Mesh ----------------------------------------
# -------------------------------------------------------------------------------------

# Number of subdivision on a main triangle (nbp) : integer (default=40)
nbp = 160
#nbp = 40

# nbp                 20  40  80 160
# T-edge length (km) 500 250 120  60

## sub splitting of main rhombus : integer (default=1)
#nsplit_i=1
#nsplit_j=1
#omp_level_size=1
###########################################
## There must be less MPIxOpenMP processes than the 10 x nsplit_i x nsplit_j tiles
## typically for pure MPI runs, let nproc = 10 x nsplit_i x nsplit_j
## it is better to have nbp/split >~ 10
###########################################
## 2 procs
#nsplit_i = 1
#nsplit_j = 1
## 40 procs
#nsplit_i = 2
#nsplit_j = 2
#### 40 noeuds de 24 processeurs = 960 procs
#nsplit_i = 8
#nsplit_j = 12
#### 30 noeuds de 24 processeurs = 720 procs
#nsplit_i = 8
#nsplit_j = 9
#### 20 noeuds de 24 processeurs = 480 procs
nsplit_i = 8
nsplit_j = 6

# Number of vertical layer (llm) : integer (default=19)
llm = 64

# disvert : vertical discretisation : string (default='std') : std, ncar, ncar30l
disvert=read_apbp

# optim_it : mesh optimisation : number of iteration : integer (default=0)
#optim_it = 1000
optim_it = 0

# -------------------------------------------------------------------------------------
# --------------------------------------- Time ----------------------------------------
# -------------------------------------------------------------------------------------

## scheme type : string ( default='runge_kutta') euler, leapfrog_matsuno, runge_kutta )
#scheme = runge_kutta   leapfrog_matsuno

## matsuno period : integer ( default=5)
#matsuno_period = 5

# number of dynamical time step per day
day_step = 80

# advection called every itau_adv time steps : integer (default 2)
# standard : umax=100m/s vs c=340m/s (ratio 1:3)
# in JW06 umax=35m/s vs c=340m/s (ratio 1:10)
itau_adv=3

# number of days to run (substitute run_length) !!!!
ndays = 5


####################################

##activate IO (default = true)
#enable_io = false

## output with XIOS (only if compiled with XIOS): true/false (default true)
#xios_output=false

# output field period (only when not using XIOS) : integer (default none)
#write_period=7200
# write_period=14400
#write_period=118.9125
write_period = 446.75


#itau_write_etat0=380520

# -------------------------------------------------------------------------------------
# -------------------------------------- Misc -----------------------------------------
# -------------------------------------------------------------------------------------

# number of tracer (nqtot) : integer (default 1)
nqtot=2

# pression value where output is interpolated : real (default=0, no output)
out_pression_level=85000

# etat0 : initial state : string (default=jablonowsky06) : 
# jablonowsky06, academic, ncar

etat0=start_file
etat0_start_file_colocated=false

## -- to cross the 2y limit
#etat0_start_iteration=0
#run_length=38052

#etat0=isothermal
#etat0_isothermal_temp=175

# start file name (default is start.nc)
# restart file name (default is restart.nc)
start_file_name=start_icosa
restart_file_name=restart_icosa

#######################################
### to run a one-day simulation
### using a ASCII profile
### to create start files
#######################################
#etat0=temperature_profile
#temperature_profile_file=temp_profile.txt


# -------------------------------------------------------------------------------------
# ----------------------------------- Dynamics ----------------------------------------
# -------------------------------------------------------------------------------------

# caldyn : computation type for gcm equation : string (default=gcm) : gcm, adv
caldyn=gcm

# caldyn_conserv : string (default=energy) : energy,enstrophy
caldyn_conserv=energy

# caldyn_exner : scheme for computing Exner function : string (default=direct) : direct,lmdz
caldyn_exner=direct

# caldyn_hydrostat : scheme for computing geopotential : string (default=direct) : direct,lmdz
caldyn_hydrostat=direct

# guided_type : string (default=none) : none, ncar
guided_type=none

#Sponge layer
### iflag_sponge=0 for no sponge
### iflag_sponge=1 for sponge over 4 topmost layers
### iflag_sponge=2 for sponge from top to ~1% of top layer pressure
### tau_sponge --> damping frequency at last layer
### e-5 medium / e-4 strong yet reasonable / e-3 very strong
### mode_sponge=1 for u,v --> 0
### mode_sponge=2 for u,v --> zonal mean (NOT IMPLEMENTED)
### mode_sponge=3 for u,v,h --> zonal mean (NOT IMPLEMENTED)
#iflag_sponge = 1
iflag_sponge = 0
#tau_sponge = 1.e-4
#mode_sponge = 1


# -------------------------------------------------------------------------------------
# ---------------------------------- Dissipation --------------------------------------
# -------------------------------------------------------------------------------------

# dissipation time graddiv : real (default=5000)
tau_graddiv = 10000

# number of iteration for graddiv : integer (default=1)
nitergdiv = 2

# dissipation time nxgradrot (default=5000)
tau_gradrot = 10000

# number of iteration for nxgradrot : integer (default=1)
nitergrot=2

# dissipation time divgrad (theta) (default=5000)
tau_divgrad= 10000

# number of iteration for divgrad : integer (default=1)
niterdivgrad=2

# Rayleigh friction : string (default=none) : 
#            none, dcmip2_schaer_noshear, dcmip2_schaer_shear, giant_liu_schneider
rayleigh_friction_type = giant_liu_schneider
rayleigh_limlat = 16.
rayleigh_friction_tau = 8640000.

# -------------------------------------------------------------------------------------
# ------------------------------------- Physics ---------------------------------------
# -------------------------------------------------------------------------------------

# (itau_physics=160)*(dt=111.6875) --> half a jupiter day as physical timestep
# ---- for some reason (day consistency, physical timestep must be less a day)
# ---- change also in run.def
#itau_physics = 160
itau_physics = 40

# kind of physics : string : none, dcmip (default=none)
physics=phys_external

## testcase physics for dcmip : INTEGER : 1, 2 (default=1)
#dcmip_physics=1

# ---------------------- parameters for NCAR test cases -------------------------

# NCAR advection test, initial tracer : string ( default='cos_bell')
# const, slotted_cyl, cos_bell, dbl_cos_bell_q1, dbl_cos_bell_q2, complement, hadley
ncar_adv_shape=cos_bell

# NCAR advection test, wind field : string (default='deform') : solid, deform, hadley
ncar_adv_wind=solid

# ncar_T0 : reference temperature for NCAR test cases : real (default=300) 
# also used by disvert if disvert=ncar
ncar_T0=300

# ncar_p0 : reference pressure for NCAR test cases : real (default=1e5) 
# also used by disvert if disvert=ncar
ncar_p0=1e5

# ncar_disvert_c : exponent for B(eta) : integer (default=1)
# used by disvert if disvert=ncar

ncar_disvert_c=1

# dcmip 4 testcase : integer (default=1) : 1, 2
dcmip4_testcase=1
# -------------------------------------------------------------------------------------
# -------------------------------------------------------------------------------------