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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/081/04/0617-0629

    • Keywords

       

      Pseudospectral method; direct numerical simulations; high-performance computing.

    • 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 $1024^{3}$, $2048^{3}$, and $4096^{3}$ grids using the HPC system of IIT Kanpur and Shaheen of KAUST. We observe good `weak' and `strong' scaling for Tarang on these systems.

    • Author Affiliations

       

      Mahendra K Verma1 Anando Chatterjee1 K Sandeep Reddy2 Rakesh K Yadav1 Supriyo Paul3 Mani Chandra1 Ravi Samtaney4

      1. Department of Physics, Indian Institute of Technology Kanpur, Kanpur 208 016, India
      2. Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur 208 016, India
      3. Computational Fluid Dynamics Team, Centre for Development of Advanced Computing, Pune 411 007, India
      4. Department of Mechanical Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia

    • Dates

       
      Published
      October 2013
      Manuscript received
      12 April 2013
      Accepted
      13 June 2013

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