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Optimization by Nonhierarchical Asynchronous Decomposition

(Paperback)

National Aeronautics and Space Adm Nasa,

Independently Published (Publisher)

Published
2018
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Large scale optimization problems are tractable only if they are somehow decomposed. Hierarchical decompositions are inappropriate for some types of problems and do not parallelize well. Sobieszczanski-Sobieski has proposed a nonhierarchical decomposition strategy for nonlinear constrained optimization that is naturally parallel. Despite some successes on engineering problems, the algorithm as originally proposed fails on simple two dimensional quadratic programs. The algorithm is carefully analyzed for quadratic programs, and a number of modifications are suggested to improve its robustness. Shankar, Jayashree and Ribbens, Calvin J. and Haftka, Raphael T. and Watson, Layne T. NASA-CR-190338, NAS 1.26:190338 NAG1-1079...

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