[CIG-SEISMO] SPECFEM3D model creation

[Dimitri Komatitsch]

Dear Hom Nath, dear all,

Thanks! Very useful. If you do not mind I will add the content of your 
email below to the users manual.

Thanks,
Dimitri.

On 18/05/2016 20:38, Hom Nath Gharti wrote:
> Dear Aymen,
>
> Elevation and burial are generally applicable to geographical regions.
> Burial is measured down from the top surface. For other problems, it
> may be confusing. I generally follow either of the following
> procedures for those kind of problems, which I hope is also helpful
> for your case.
>
> Procedure 1:
> =========
> - Always put the origin on the top of the model.
> - Let's say you want to place two receivers at (x1,y1,z1) and
> (x2,y2,z2). Your STATIONS file should look like:
>
> BONE  GR  y1  x1  0.00  -z1
> BONE  GR  y2  x2  0.00  -z2
>
> Depending on the geometry of the models it may not work in some cases.
>
> Procedure 2:
> =========
> - Open setup/constants.h.in file and change the line
> logical, parameter :: USE_SOURCES_RECEIVERS_Z = .false.
>
> to
>
> logical, parameter :: USE_SOURCES_RECEIVERS_Z = .true.
>
> configure the package and compile.
>
> - Let's say you want to place two receivers at (x1,y1,z1) and
> (x2,y2,z2). Your STATIONS file should look like:
>
> BONE  GR  y1  x1  0.00  z1
> BONE  GR  y2  x2  0.00  z2
>
> The option set to .true. in 1 will discard the elevation and set
> burial as the z coordinate.
>
> Third column is Y and Fourth is X due to the latitude/longitude convention.
>
> You can replace the station name "BONE" with any word of length less
> than 32, and the network name "GR" with any word of length less than
> 8.
>
> You can always plot OUTPUT_FILES/sr.vtk file in ParaView to check the
> source/receiver locations after your simulation.
>
> Thanks,
> Hom Nath
>
> On Tue, May 17, 2016 at 5:14 AM, Aymen MHENNI <aymen_mhenni at hotmail.com> wrote:
>> Aymen
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>

-- 
Dimitri Komatitsch
CNRS Research Director (DR CNRS), Laboratory of Mechanics and Acoustics,
UPR 7051, Marseille, France    http://komatitsch.free.fr