Published April 28, 2022 | Version v1
Dataset Open

Data accompanying the paper "Stability properties of the constant coefficients semi-implicit time schemes solving equation system with controlled nonhydrostatism".

  • 1. SHMI
  • 2. CHMI

Description

Data accompanying the paper "Stability properties of the constant coefficients semi-implicit time schemes solving equation system with controlled nonhydrostatism", submitted to Monthly Weather Review.

Each vertical slice experiment has its own ASCII file containing

grid point number, vertical height [km], vertical velocity [m/s] and named exp+3000_w_NH.gmt

for the non-linear non-hydrostatic flow over a hill with grid spacing of 80m and the time step of 2s, and containing

grid point number, vertical height [km], potential temperature [K] and named exp+rng_theta.gmt

for the Straka density current experiments with grid spacing of 25m and time step of 1s (with rng=0300, 0600, 0900).

The names of experiments and their descriptions are as follows:

NLNH flow over a hill
Experiment Description Time scheme
NL50 nonhydrostatic PC
NK66 pabe(5,1) SETTLS
NK50 hydrostatic SETTLS
NL59 pad(0.1,0.1) SETTLS
NK58 pad(0.01,0.01) SETTLS
NK59 pad(0.001,0.001)   SETTLS

 

 

 

 

 

 

 

Straka test

Experiment Description Time scheme
SH81 nonhydrostatic   PC
SH71 pabe(5,1) SETTLS
SH72 pad(0.1,0.1) SETTLS
SH73 pad(0.01,0.01) SETTLS
SH74 pad(0.01,0.01) SETTLS
SH75 hydrostatic SETTLS

 

 

 

 

 

 

 

 

 

 

 

 

For the vertical cross sections from 3D simulations each experiment has its own ASCII file named exp+rng_vv.gmt containing

point number, pressure[hPa], vertical velocity [m/s]. The names of experiments and their descriptions are as follows:

3D simulations, vertical cross sections

  Experiment Description Time scheme
Lee waves K801 nonhydrostatic PC
time step=90s     K842 pad[0.2,0.2] SETTLS
rng=0011 K826 pad[2,1] SETTLS
  K800 hydrostatic SETTLS
Occitania B003 nonhydrostatic, gamma*=3.5  PC
time step=15s B249 pad[0.5,0.5], gamma*=5.5 SETTLS
rng=0012 B256 pad[0.1,0.1], gamma*=3.5 SETTLS
  B303 hydrostatic SETTLS

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes

Supported by the Technology Agency of the Czech Republic under the grant number SS02030040 (PERUN).

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