[CIG-SEISMO] Mesh size in SpecFem3D?

Dimitri Komatitsch komatitsch at lma.cnrs-mrs.fr
Sun Jun 19 16:55:08 PDT 2016


You should typically use one spectral element (i.e. one mesh element) 
per shortest wavelength. This corresponds to roughly 5 points per 
shortest wavelength.

Dimitri.

On 19/06/2016 16:02, Liberman, Vladimir - 0881 - MITLL wrote:
> I am running rather high frequency simulations (100 kHz) where
> wavelengths become quite a bit smaller, of course.
>
> So, what is the  largest mesh size that I can get away with?
>
> Do I have to mesh at least 5 points per wavelength for the shortest
> wavelength in the simulation?
>
> Thanks,
>
> Vlad Liberman
>
> Staff  Member, Chemical, Microsystem, and Nanoscale Technologies Group
> MIT Lincoln Laboratory               E-mail: vlad at ll.mit.edu
> <mailto:vlad at ll.mit.edu>
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>
> http://www.ll.mit.edu/mission/electronics/cmnt/bios/liberman-v.html
>
>
>
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-- 
Dimitri Komatitsch
CNRS Research Director (DR CNRS), Laboratory of Mechanics and Acoustics,
UPR 7051, Marseille, France    http://komatitsch.free.fr


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