Parallel Algorithms for Structural Optimization Under Dynamic Loadingby Hojjat Adeli, Ohio State Univ, Columbus, OH, USA,
Osama Kamal, Ohio State Univ, Columbus, OH, USA,
Abstract: Parallel algorithms and strategies are outlined for optimal design of frame structures subjected to dynamic earthquake loading. Parallelism is extracted in six areas: substructuring of the total domain, solution of linear equations, modal analysis, temporal solution, mathematical optimization, and postprocessing. A new formulation for the optimization problem is developed on the basis of the virtual work method. A hybrid optimization approach is adopted to exploit the merits of both Geometric Programming and Feasible Directions optimization techniques. The solution algorithm is centered around a new parallel and concurrent architecture that utilizes the multi-processing capabilities of shared memory computers such as the Encore Multimax.
Subject Headings: Algorithms | Earthquake resistant structures | Earthquakes | Seismic loads | Optimization models | Computer programming
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