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

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

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.p11b0540b&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #P11B-0540

Physics

0520 Data Analysis: Algorithms And Implementation, 0689 Wave Propagation (2487, 3285, 4275, 4455, 6934), 3260 Inverse Theory, 6020 Ices

Scientific paper

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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