Lagrange-flux schemes: reformulating second-order accurate Lagrange-remap schemes for better node-based HPC performance - Archive ouverte HAL Access content directly
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Lagrange-flux schemes: reformulating second-order accurate Lagrange-remap schemes for better node-based HPC performance

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Thibault Gasc
  • Function : Author
Renaud Motte
  • Function : Author
Mathieu Peybernes
  • Function : Author
Raphael Poncet
  • Function : Author

Abstract

In a previous paper, we have achieved the performance analysis of staggered Lagrange-remap schemes, a class of solvers widely used for Hydrodynamics applications. This paper is devoted to the rethinking and redesign of the Lagrange-remap process for achieving better performance using today's computing architectures. As an unintended outcome, the analysis has lead us to the discovery of a new family of solvers -- the so-called Lagrange-flux schemes -- that appear to be promising for the CFD community.

Dates and versions

hal-03579432 , version 1 (18-02-2022)

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Florian de Vuyst, Thibault Gasc, Renaud Motte, Mathieu Peybernes, Raphael Poncet. Lagrange-flux schemes: reformulating second-order accurate Lagrange-remap schemes for better node-based HPC performance. 2022. ⟨hal-03579432⟩
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