Multilevel Approach to Optimum Structural Design

by Uri Kirsch, Sr. Lect.; Faculty of Civ. Engrg., Technion-Israel Inst. of Tech., Haifa, Israel,

Serial Information: Journal of the Structural Division, 1975, Vol. 101, Issue 4, Pg. 955-972

Document Type: Journal Paper


The general problem of optimizing and node coordinates in structural design is formulated in terms of mathematical programming. The proposed two-level approach consists in decomposition of the general problem into independent subproblems solved at the first level and coordinated at the second, with an iterative procedure used for both levels. Two treatment variants, model coordination and goal coordination, are presented and illustrated for comparative evaluation. The approach is intended mainly for large systems where integrated treatment may require excessive computer time or memory capacity, or both, but also may prove useful elsewhere.

Subject Headings: Structural design | Computer programming | Optimization models | Mathematics | Decomposition | Mathematical models | Comparative studies | Integrated systems

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