[CIG-SEISMO] SPECFEM3D - Mesh

Wed Aug 24 07:01:44 PDT 2016

Dear Dimitri:

Thank you very much.

I'm working on an area of submarine canyons on the continental margin of
the South / Southeast Brazil.

I created the surface of the model using GOCAD from 3-D seismic data.

I need to have this model meshed with CUBIT and exported to serve as input
to SPECFEM3D. Could you help me with this?

This model has a resolution of 100 m x 100 m. I have this same model with a
resolution of 50 m x 50 m, but it is too large to send by email.

(See attached file: Uniao_c100.ts)(See attached file: Uniao_c100-Gocad.PNG)

Best regards,

Ricardo Garske Borges
e-mail: garske at petrobras.com.br

De:	Dimitri Komatitsch <komatitsch at lma.cnrs-mrs.fr>
Para:	cig-seismo at geodynamics.org, Emanuele Casarotti
            <emanuele.casarotti at gmail.com>, Bence Solymosi
            <bence.solymosi at gmail.com>,
Cc:	garske at petrobras.com.br
Data:	23/08/2016 17:37
Assunto:	Re: [CIG-SEISMO] SPECFEM3D - Mesh

Hi Bence and Emanuele, Hi Ricardo,

Could one of you send a small or medium-size CUBIT mesh to Ricardo?
(putting it on DropBox or similar I guess, if it is too big to be sent
by email)

Ricardo, you can also have a look at
./CUBIT_GEOCUBIT/geocubitlib/cubit2specfem3d.py ; if you put your mesh
in the ASCII input format described in the comments at the beginning of
that Python script you should be all set.

Thanks,
Best wishes,
Dimitri.

On 23/08/2016 21:22, garske at petrobras.com.br wrote:
> My name is Ricardo Garske Borges, and I'm studying PhD on Civil
> Engineering at the Federal University of Rio de Janeiro.
>
> The theme of my thesis will be "Numerical Modeling and Analysis of
> Topographic Factor Influence on the Seismic Amplification in Regional
> Scale".
>
> I am learning to use SPECFEM3D using the Tutorial. I have already
> managed to install the program on my computer. However, the only
> examples I can run are in the meshfem3D_examples directory, all cases of
> 1-D. The other examples use CUBIT to generate the mesh, which is a paid
> software license which I do not have. Even in other folders I do not see
> any 3-D example. It seems they are all homogeneous semi-spaces and
> models of plane-parallel layers.
>
> I wonder if you could send me an example of a 3-D mesh, because I have a
> 3-D mesher developed by ourselves, and could convert the file generated
> by our program for that entry to the SPECFEM3D.
>
> Best regards,
>
> P.S.: The size of my maybox is 12 Mb.
>
>     Ricardo Garske Borges
>     e-mail: garske at petrobras.com.br
>
>
>
>
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> disciplinar, cível e criminal."
>
>
>
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--
Dimitri Komatitsch
CNRS Research Director (DR CNRS), Laboratory of Mechanics and Acoustics,
UPR 7051, Marseille, France    http://komatitsch.free.fr

"O emitente desta mensagem é responsável por seu conteúdo e endereçamento. Cabe ao destinatário cuidar quanto ao tratamento adequado. Sem a devida autorização, a divulgação, a reprodução, a distribuição ou qualquer outra ação em desconformidade com as normas internas do Sistema Petrobras são proibidas e passíveis de sanção disciplinar, cível e criminal."

"The sender of this message is responsible for its content and addressing. The receiver shall take proper care of it. Without due authorization, the publication, reproduction, distribution or the performance of  any other action not conforming to Petrobras System internal policies and procedures is forbidden and liable to disciplinary, civil or criminal sanctions."

"El emisor de este mensaje es responsable por su contenido y direccionamiento. Cabe al destinatario darle el tratamiento adecuado. Sin la debida autorización, su divulgación, reproducción, distribución o cualquier otra acción no conforme a las normas internas del Sistema Petrobras están prohibidas y serán pasibles de sanción disciplinaria, civil y penal."
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