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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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geophysic electric survey

Posted 2010年12月10日 GMT-5 09:40 Version 4.0 5 Replies

Makhchan Abderrahim
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first of all excuse my bad english,
I want to know how can i use comsol for 3d resistivity modeling for layered earth (electrical survey or electric trolling)

thanks
5 Replies Last Post 2010年12月11日 GMT-5 04:59
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 2010年12月10日 GMT-5 11:30
Hi

if you have a demo version or a geophysical module you should open the model builder and run the examples under geophysics to learn the best way to use COMSOL for such models. I'm not sure if you find exactly your demand in there but you will find simlilar ones to allow you to learn how tu use the tool, then you can

--
Good luck
Ivar
Hi if you have a demo version or a geophysical module you should open the model builder and run the examples under geophysics to learn the best way to use COMSOL for such models. I'm not sure if you find exactly your demand in there but you will find simlilar ones to allow you to learn how tu use the tool, then you can -- Good luck Ivar
Makhchan Abderrahim
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Posted: 1 decade ago 2010年12月10日 GMT-5 15:01
Thanks,
What I want to do is three-dimensional reconstruction of resistivity structures on the basis
of direct current resistivity measurements (electric trolling) using FEM as comsol is a software based on FEM so I am asking how to use comsol and if there is a specific module for doing that.
Thanks, What I want to do is three-dimensional reconstruction of resistivity structures on the basis of direct current resistivity measurements (electric trolling) using FEM as comsol is a software based on FEM so I am asking how to use comsol and if there is a specific module for doing that.
Marios Karaoulis
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Posted: 1 decade ago 2010年12月10日 GMT-5 23:48
The easiest way to do that, is to use the AC/DC module-->statics, electric--> concuctive media dc.
The easiest way to do that, is to use the AC/DC module-->statics, electric--> concuctive media dc.
Makhchan Abderrahim
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Posted: 1 decade ago 2010年12月11日 GMT-5 04:42
thank you very much
thank you very much
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 2010年12月11日 GMT-5 04:59
Hi

one suggestion, if you are beginning with COMSOL, start in 2D, then do a 3D, there are already many things to learn and a 2D model solves some 2-3 times quicker, and is much better to start with

--
Good luck
Ivar
Hi one suggestion, if you are beginning with COMSOL, start in 2D, then do a 3D, there are already many things to learn and a 2D model solves some 2-3 times quicker, and is much better to start with -- Good luck Ivar

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