source: trunk/LMDZ.MARS/util/startarchive2icosa/run_icosa.def_no_start @ 2813

#INCLUDEDEF=saturn_const.def

##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=20

# Earth as reference ?
# 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
###########################################
## 10 procs
nsplit_i=1
nsplit_j=2
#### 50 noeuds de 24 processeurs = 1200 procs
#nsplit_i=10
#nsplit_j=12

# Number of vertical layer (llm) : integer (default=19)
#llm=64
llm=73

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

# optim_it : mesh optimisation : number of iteration : integer (default=0)
#optim_it=1000
optim_it=100

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

## scheme type : string : euler, leapfrog_matsuno, runge_kutta )
# time_scheme = ARK2.3 (RK 2nd order at 3 levels) | leapfrog_matsuno | ...  
time_scheme = ARK2.3

## matsuno period : integer ( default=5) Only used for leapfrog_matsuno scheme
matsuno_period = 10

# timestep : real (default=480s)
# dt = 92.473958333334
### attention 3 chiffres significatifs dans XIOS
# number of dynamical steps per day (instead of dt)
day_step=960

# 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 timestep (default 100) (ignored if run_length is set)
#itaumax = 10

# run length : real (default=dt*itaumax)

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

## 1 martian day
#run_length = 88775
#run_length = 887750

## 1 martian year : 59212925s
## first martian month (61sols):5415275s

# number of days to run
ndays=1

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

##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 (valid XIOS or not) : integer (default none)
# [should be equal to dt if XIOS dynamical outputs are wanted]
# [because write_period sets synchronization frequency with XIOS]
write_period = 92.473958333


#itau_write_etat0=380520

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

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

# 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=true

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

etat0=isothermal
etat0_isothermal_temp=200

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

#etat0_start_iteration_reset=true
#etat0_start_iteration=0

##### for one-day run from a profile to create a start
#etat0=temperature_profile
#temperature_profile_file=temp_profile.txt
#run_length=38052

# ------------------------------ 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 = 1
tau_sponge = 1.e-4
#mode_sponge = 1


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

# dissipation time graddiv : real (default=5000)
tau_graddiv = 2000

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

# dissipation time nxgradrot (default=5000)
tau_gradrot = 4000

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

# dissipation time divgrad (theta) (default=5000)
tau_divgrad= 4000
# number of iteration for divgrad : integer (default=1)
niterdivgrad=2

# Vertical evolution of the dissipation coefficient
# vert_prof_dissip_type=legacy
vert_prof_dissip_type=plugin

# vertical dissipation setup (none|altitude|pressure)
vert_prof_dissip_setup=altitude
dissip_fac_mid=3.
dissip_fac_up=30.
dissip_startalt=70.
dissip_deltaz=30.

#Vertical coefficient for dissipation: 1 is for Earth, 2 Mars, 3 Venus, default is basic scheme
#vert_prof_dissip=2
#fac_mid=3.
#fac_up=30.
#dissip_deltaz=30.
#startalt=70.

# Rayleigh friction : string (default=none) : none, dcmip2_schaer_noshear, dcmip2_schaer_shear
rayleigh_friction_type=none
#rayleigh_friction_type=giant_liu_schneider
#rayleigh_limlat = 33.
#rayleigh_friction_tau = 8640000.

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

# (itau_physics=160)*(dt=118.9125) --> half a saturn day as physical timestep
# ---- for some reason (day consistency, physical timestep must be less a day)
# ---- change also in run.def
itau_physics=5

# 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
#-----------------------------------------------------------------------


check_conservation = detailed
itau_check_conserv = 320