Large Scale Numerical Simulations of Planetary Interiors

Ana-Catalina Plesa (), Christian Hüttig (), Maxime Maurice (), Doris Breuer () and Nicola Tosi ()
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Ana-Catalina Plesa: Institute of Planetary Research, German Aerospace Center
Christian Hüttig: Institute of Planetary Research, German Aerospace Center
Maxime Maurice: Institute of Planetary Research, German Aerospace Center
Doris Breuer: Institute of Planetary Research, German Aerospace Center
Nicola Tosi: Technical University Berlin, Department of Planetary Geodesy

A chapter in High Performance Computing in Science and Engineering ’15, 2016, pp 675-687 from Springer

Abstract: Abstract The massive increase of computational power over the past decades has established numerical models of planetary interiors to one of the principal tools to investigate the thermo-chemical evolution of terrestrial bodies. Large scale computational models have become state of the art to investigate the interior heat transport, surface tectonics and chemical differentiation of planetary bodies across the Solar System and beyond. In the present work we present large scale numerical simulations performed using the mantle convection code Gaia in spherical and Cartesian geometry. The results have been obtained on the HLRS system Hornet running on 54 × 103 computational cores. The strong scaling results show an optimal speedup for a grid with 55 million computational points corresponding to 275 million unknowns.

Keywords: Rayleigh Number; Domain Decomposition; Mantle Convection; Planetary Body; Magma Ocean (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-24633-8_43

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DOI: 10.1007/978-3-319-24633-8_43

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