Benchmarking and scaling studies of pseudospectral code Tarang for turbulence simulations

Mahendra K. Verma, ANANDO CHATTERJEE, K SANDEEP REDDY, RAKESH K YADAV, SUPRIYO PAUL, MANI CHANDRA, Ravi Samtaney

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

Tarang is a general-purpose pseudospectral parallel code for simulating flows involving fluids, magnetohydrodynamics, and Rayleigh–Bénard convection in turbulence and instability regimes. In this paper we present code validation and benchmarking results of Tarang. We performed our simulations on 10243, 20483, and 40963 grids using the HPC system of IIT Kanpur and Shaheen of KAUST. We observe good ‘weak’ and ‘strong’ scaling for Tarang on these systems.
Original languageEnglish (US)
Pages (from-to)617-629
Number of pages13
JournalPramana
Volume81
Issue number4
DOIs
StatePublished - Sep 21 2013

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