Vibration Analysis Using a Parallel Lanczos Methodby Susan W. Bostic, NASA, Hampton, VA, USA,
Robert E. Fulton, NASA, Hampton, VA, USA,
Abstract: A parallel eigenvalue solution algorithm, based on the Lanczos method, has been developed, implemented on a Flexible Computer FLEX/32 multi-processor, and applied to an example structural analysis problem. Timing results of the parallel algorithm are presented, the algorithm's performance on a varying number of processors is assessed, and the impact on the total solution process when the algorithm is embedded in a general finite element code is analyzed. An analysis of the computation is presented to assess the parallel opportunities and benefits inherent in a future structural analysis software system.
Subject Headings: Algorithms | Structural analysis | Computer analysis | Data processing | Structural systems | Eigenvalues | Finite element method
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