Optimization Procedure for Pulse-Simulated Response

by Sami F. Masri, Prof.; Civ. Engrg. Dept., of Southern California, Los Angeles, Calif. 90007,
Frederick B. Safford, Assoc.; Agbabian Associates, 250 N. Nash Street, El Segundo, Calif. 90245,

Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 9, Pg. 1743-1761

Document Type: Journal Paper

Abstract: A computationally efficient technique is presented for optimizing the selection of pulse train characteristics, to be used for simulating the response of general types of structural systems to arbitrary dynamic environments. The optimization procedure uses an adaptive random search algorithm that incorporates a periodic exploratory search for the optimal step-size variance, which signifianctly improves the convergence characteristics. Pulse trains (to induce specified or criterion structural motion) are not unique and are largely dependent upon constraints. The method is demonstrated for a 25-story building and a steel one-bay structure.

Subject Headings: Steel structures | Structural systems | Computing in civil engineering | Computer models | Arbitration | Structural dynamics | Adaptive systems | Algorithms |

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