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本帖最后由 Mocca 于 2025-6-5 09:19 编辑
WRF4.2,刚开始想三层嵌套(9-3-1km),积分到长波辐射就报segmentation fault,减少为2层嵌套跑通了,但wrfout低层的风场辐散;多次尝试(不同的台风个例、参数化方案、减少zdamp)结果仍异常,中低层(近地面、850、500)风场都是辐散的(domain1&2)。初始场正常。图为wrfout的850风场和高度场。
附namelist.input:
interval_seconds = 21600
/
&domains
time_step = 18,
time_step_fract_num = 0,
time_step_fract_den = 1,
max_dom = 2,
e_we = 205, 361, 280,
e_sn = 266, 439, 271,
e_vert = 43, 43, 43,
p_top_requested = 5000,
num_metgrid_levels = 38,
num_metgrid_soil_levels = 4,
dx = 9000, 3000, 1000,
dy = 9000, 3000, 1000,
grid_id = 1, 2, 3,
parent_id = 1, 1, 1,
i_parent_start = 1, 61, 126,
j_parent_start = 1, 51, 130,
parent_grid_ratio = 1, 3, 9,
parent_time_step_ratio = 1, 3, 3,
feedback = 1,
smooth_option = 0
smooth_cg_topo = .true
/
&physics
mp_physics = 5, 5, -1,
cu_physics = 1, 1, 0,
ra_lw_physics = 4, 4, -1,
ra_sw_physics = 4, 4, -1,
bl_pbl_physics = 5, 5, -1,
sf_sfclay_physics = 2, 2, -1,
sf_surface_physics = 4, 4, -1,
radt = 5, 5, 5,
bldt = 0, 0, 0,
cudt = 5, 0, 5,
icloud = 1,
num_land_cat = 21,
sf_urban_physics = 0, 0, -1,
isftcflx = 1,
sst_update = 0,
sst_skin = 0,
/
&dynamics
hybrid_opt = 2,
w_damping = 0,
diff_opt = 1, 1, 1,
km_opt = 4, 4, 4,
diff_6th_opt = 0, 0, 0,
diff_6th_factor = 0.12, 0.12, 0.12,
base_temp = 290.
damp_opt = 3,
zdamp = 2000., 2000., 2000.,
dampcoef = 0.2, 0.2, 0.2
khdif = 0, 0, 0,
kvdif = 0, 0, 0,
non_hydrostatic = .true., .true., .true.,
moist_adv_opt = 1, 1, 1,
scalar_adv_opt = 1, 1, 1,
gwd_opt = 1, 1, 0,
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