source: codes/icosagcm/trunk/param_sets/dcmip2012/run20.def @ 284

Last change on this file since 284 was 284, checked in by dubos, 10 years ago

Updated make_rundefs.sh and new DCMIP parameter files

File size: 2.2 KB
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1
2#---------------- Planet ----------------
3
4# Planetary radius : real (default=6371220)
5radius = 6.37122e6
6
7# Gravity : real (default=9.80616)
8g = 9.80616
9
10# kappa=Rd/cpp : real (default=0.2857143)
11kappa = 0.2857143
12
13# Heat capacity at constant pressure : real (default=1004.70885)
14cpp = 1004.5
15
16# Reference pressure : real (default=101325)
17preff = 1e5
18
19# Planetary rotation rate : real (default=7.292E-5)
20omega = 0
21
22
23#---------------- Constants ----------------
24
25# Reference temperature T0 for DCMIP test cases : real (default=300)
26ncar_T0 = 300
27
28# Reference pressure p0 for DCMIP test cases, used by disvert if disver=ncar : real (default=1e5)
29ncar_p0 = 1e5
30
31# Exponent for B(eta), used by disvert if disvert=ncar : integer (default=1)
32ncar_disvert_c = 1
33
34
35#---------------- Mesh ----------------
36
37# Number of subdivisions on a main triangle : integer (default=40)
38nbp = 64
39
40# Number of vertical layers : integer (default=19)
41llm = 15
42
43# Vertical grid : [std|ncar|ncarl30] (default=std)
44disvert = ncar
45
46# Model layer thickness in m, used if disvert=ncar : real (default=300)
47ncar_dz = 800
48
49# Mesh optimisation : number of iterations : integer (default=0)
50optim_it = 100
51
52# Sub splitting of main rhombus : integer (default=1)
53nsplit_i = 2
54nsplit_j = 2
55
56
57#---------------- Numerics ----------------
58
59# Time step in s : real (default=480)
60dt = 300
61
62# Dissipation time for grad(div) : real (default=5000)
63tau_graddiv = 10800
64
65# Exponent of grad(div) disspation : integer (default=1)
66nitergdiv = 2
67
68# Dissipation time for curl(curl) : real (default=5000)
69tau_gradrot = 10800
70
71# Exponent of curl(curl) disspation : integer (default=1)
72nitergrot = 2
73
74# Dissipation time for div(grad) : real (default=5000)
75tau_divgrad = 10800
76
77# Exponent of div(grad) disspation : integer (default=1)
78niterdivgrad = 2
79
80
81#---------------- Time ----------------
82
83# Run length in s : real (default=??)
84run_length = 518400
85
86# Interval in s between two outputs : integer (default=??)
87write_period = 21600
88
89
90#---------------- Physical parameters ----------------
91
92# Scale factor for small planet experiment : real (default=1.)
93scale_factor = 1
94
95# Initial state :
96#   [jablonowsky06|academic|dcmip[1-4]|heldsz|dcmip2_schaer_noshear] (default=jablonowsky06)
97etat0 = dcmip2_mountain
98
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