Unsteady Flow in Turbine Cascades

Paul Cizmas, Westinghouse STC and Ravi Subramanya, PSC

Numerical simulation of unsteady flows in turbomachinery cascades is crucial for efficiency and reliability improvement. Westinghouse STC and PSC developed a parallel code based on a message-passing interface running on symmetric multiprocessors (SGI Challenge) and massively parallel processors (Cray T3E). A superlinear speedup of 15.6 was obtained for a geometry distributed over ten processors.

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