[CIG-SEISMO] SH convergence problem in SPECFEM3D

[Ying Zhou]

Chun-Hung,

    Not sure if I understand it correctly but It looks like you have an
explosive source which does not excite SH waves.    You may want to change
your moment tensor and try it again.

Ying



On Wed, Feb 17, 2016 at 1:14 PM, 林俊宏 <chlin.ce at gmail.com> wrote:

> Hi !
>
> This is Chun-Hung Lin from Taiwan. My group work on the application of
> surface wave testing in solving geotechnical problems in National Chiao
> Tung University, Taiwan.
>
> I greatly appreciate that you provide such a great tool for us to simulate
> the 3D propagation of seismic wave. It help us to consider the 3D effect
> when applying surface wave testing. We had done a study on the application
> of  surface wave testing in jet grouting based on the SPECFEM3D and will be
> published in the near future.
>
> In the beginning we focus on the Rayleigh wave. SPECFEM3D works very well.
> However, few weeks ago, we found it is not convergence for Love wave, even
> we try to minimize our mesh size and time step(as shown in attached ppt).
> Could you please provide us some experience or hints about the rules to
> make convergence for Love wave(for the Rayleigh wave, we try and error
> based on our experience in finite difference method)?
>
> Thanks for your kind help!
>
> Sincerely,
> Chun-Hung
>
> ========================================================
>  Chun-Hung Lin  Ph.D,
>  Assistant Research Fellow, Disaster Prevention & Water Environment
> Research Center
>  National Chiao Tung University, #1001 University Rd., Hsinchu, Taiwan
>  Tel: +886-3-571-2121#55265,     Mobil: +886-922-585100
>  Fax: +886-3-573-4116
>  Email: chlin.ce at gmail.com
> ========================================================
>
>
>
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