Numerical filters (presentation, 2002)
June 2002
Presentation of Piet Termonia during the ALATNET training course on Numerical Analysis in Kranjska Gora, 29-31 May 2002.
Generalities :
- why do we need filters in the first place ?
- set the stage : notions, spectral, types
- NWP: discretization and truncation
- increasing the efficiency
- discussion
The specific LAM coupling problem seen as a filter
- introduction
- spurious reflections
- flow relaxation : Davies scheme
- implementation in ALADIN
- discussion
titre documents joints
LAM coupling as a filter
info document : PostScript
722.3 kb
Generalities
info document : PostScript
469 kb
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