[CIG-SEISMO] Can SPECEM3D do gravit inversion?

[Jeroen Tromp]

Dear all,

This is something Hom Nath Gharti has worked on as well, combining a 
spectral-element method with an infinite-element method to solve 
Laplace's equation in outer space. See his recent CIG webinar: 
https://www.youtube.com/watch?v=uIuvv7tAcfk

Best regards,

Jeroen Tromp


On 3/18/17 12:29 PM, Dimitri Komatitsch wrote:
>
> Hi Ming,
>
> Thanks for your message! This is indeed an interesting topic. My 
> friend Roland Martin has a nice paper that has just appeared on this: 
> http://komatitsch.free.fr/preprints/GJI_Martin_gravimetry_2017.pdf
>
> thus let me cc Roland to see what the current version of SPECFEM3D can 
> do (it can do 3D modeling for sure, but I think the gravity inversion 
> part was performed outside of SPECFEM using scripts for now (?); 
> Roland can tell us more about this, he is the expert on that).
>
> Thanks!
> Cheers,
> Dimitri.
>
> On 03/18/2017 04:08 PM, mzhao at cea-igp.ac.cn wrote:
>> Hi Dimitri,
>>
>> I read a very interesting paper recently which use spectral element
>> method to do gravity inversion,I wonder if the SPECFEM3D can do gravity
>> inversion in the future? We have a lot of seismic data and gravity 
>> data in
>> our group,and I'm using spectral element method all the time,if it can
>> do both adjoint inversion and gravity inversion, that would be exciting!
>>
>> Cheers
>> Ming Zhao
>> ------------------------------------------------------------------------
>> mzhao at cea-igp.ac.cn
>