SCHEDULE: NOV 10-16, 2012
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Very Large-Scale Fluid-Flow and Aeroacoustical Simulations for Engineering Applications Performed on Supercomputer K
SESSION: Large-Scale Simulations
EVENT TYPE: Keynote and Invited Talks
TIME: 4:15PM - 5:00PM
SESSION CHAIR: Robert F. Lucas
Presenter(s):Chisachi Kato
ROOM:Ballroom-EFGH
ABSTRACT:
With tremendous speed-up of high-end computers, applications of fully-resolved Large Eddy Simulation (FRLES) is becoming feasible for engineering problems. FRLES directly computes all eddies responsible for the production of turbulence and thus, is expected to give as accurate results as Direct Numerical Simulation (DNS) does with by a factor of several tens smaller computational cost than that of DNS. The authors have developed flow and acoustical solvers capable of performing very large-scale engineering applications. We have already achieved a sustained performance of 8 percent to the theoretical processor performance and a parallel scalability more than 90 percent for 524,288 cores. The first results of very large-scale fluid-flow and aeroacoustical simulations of industrial problems using several tens of billion grids will be presented.
Chair/Presenter Details:
Robert F. Lucas (Chair) - Information Sciences Institute
Chisachi Kato - University of Tokyo
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