16JAN
Case description
2-domain grid-nesting real case from 16 January 1998. Tests the WENO-K advection scheme and coupling between two nested domains with lateral boundary conditions. Simulation uses ERAI analysis for initial and boundary conditions.
Configuration
Parameter |
Value |
|---|---|
Category |
Technical cases |
NMODEL |
2 |
XTSTEP |
|
XSEGLEN |
|
NITR |
8 |
CCLOUD |
KESS |
CTURB |
TKEL |
CRAD |
ECRA |
CDCONV |
KAFR |
CSCONV |
KAFR |
CUVW_ADV_SCHEME |
WENO_K |
NWENO_ORDER |
5 |
CTEMP_SCHEME |
RK53 |
Steps
Step |
Script |
|---|---|
PREP_PGD1 |
run_pgd |
PREP_PGD2 |
run_pgd |
PREP_NEST |
run_pgd |
PRE_REAL1 |
run_prep_real_case |
PRE_REAL2 |
run_prep_real_case |
SPAWN1 |
run_spa_real |
run1 |
run_mesonh1 (16 CPUs) |
run2 |
run_mesonh2 (16 CPUs) |
DIAG1 |
run_diag |
Specificities
2 nested domains with coupling
5th order WENO-K advection scheme
Runge-Kutta 3rd order temporal scheme (RK53)
ERAI analysis for initial conditions
Lateral boundary conditions: OPEN boundaries
12-hour simulation (43200s)
Multiple coupling files (CCPLFILE)
Validation
WENO-K scheme stability and accuracy
Domain nesting coupling
Temporal evolution of meteorological fields
Numerical ressources
HPC: 1 node, 16 cores (MPI parallel)
References
Jan 16, 1998 case study
WENO scheme literature (Liu et al., 1994)