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Performance of the Widely-Used CFD Code OVERFLOW on the Pleides SupercomputerComputational performance studies were made for NASA's widely used Computational Fluid Dynamics code OVERFLOW on the Pleiades Supercomputer. Two test cases were considered: a full launch vehicle with a grid of 286 million points and a full rotorcraft model with a grid of 614 million points. Computations using up to 8000 cores were run on Sandy Bridge and Ivy Bridge nodes. Performance was monitored using times reported in the day files from the Portable Batch System utility. Results for two grid topologies are presented and compared in detail. Observations and suggestions for future work are made.
Document ID
20170004382
Acquisition Source
Ames Research Center
Document Type
Technical Memorandum (TM)
Authors
Guruswamy, Guru P. (NASA Ames Research Center Moffett Field, CA United States)
Date Acquired
May 5, 2017
Publication Date
May 1, 2017
Subject Category
Fluid Mechanics And Thermodynamics
Numerical Analysis
Report/Patent Number
NASA/TM-2017-219510
ARC-E-DAA-TN38625
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
Widely Used
Pleiades Supercomputer
OVERFLOW CFD

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