[CIG-SEISMO] Element size specfem3d cartesian

Moritz Wehler moritzwehler at muenchen-ist-toll.de
Wed Jul 1 03:55:07 PDT 2015

Hey there,

I am currently setting up a 3d model with geocubit (using specfem3d 
cartesian). Concerning the element size I was told - as a rule of thumb 
- to use the following formula:

     elem_size = 0.6 times wavelength.

Is the factor 0.6 correct and if so, where does it come from 
(literature?, empirically derived?...)?
If not, what would you suggest to use?

Thanks in advance and best regards,

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