[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>
> Room C-137 Phone: 781 981 3706
> 244 Wood St. Fax: 781 981 4983
> Lexington, MA 02420-9108
>
> 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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