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Imaging of the Internal Structure of Comet 67P/Churyumov-Gerasimenko from Radiotomography CONSERT Data by Using Grid Computing Techniques (Rosetta Mission).

Abstract : We investigate the inverse problem of imaging the internal structure of comet 67P/Churyumov-Gerasimenko from radiotomography CONSERT data (radiowave transmitted back and forth from the Rosetta orbiter to the Philae lander through the comet) by using grid computing techniques. For this purpose we use a massively parallel approach based on the discretization of the interior dielectric permittivity and of the shape of the comet, as well as the interior /exterior electric field, along suitable basis of spectral functions, in the frame of the Helmholtz equation.
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https://hal-insu.archives-ouvertes.fr/insu-00359690
Contributor : Béatrice Pibaret-Bourdon <>
Submitted on : Monday, February 9, 2009 - 11:05:46 AM
Last modification on : Friday, September 25, 2020 - 11:20:11 AM

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  • HAL Id : insu-00359690, version 1

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J.-P. Barriot, Wlodek Kofman, Alain Hérique, M. Benna. Imaging of the Internal Structure of Comet 67P/Churyumov-Gerasimenko from Radiotomography CONSERT Data by Using Grid Computing Techniques (Rosetta Mission).. American Geophysical Union, Fall Meeting 2007, Dec 2007, San Francisco, United States. ⟨insu-00359690⟩

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