Reliability-Based Optimization for Dynamic Loads

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Abstract
A general formulation is presented for weight optimization of indeterminate structures subject to transient dynamic loads and reliability constraints. Two distinct methods of structural analysis are examined and compared for use in the optimization algorithm: (1)Numerical integration of equations of motion and (2)shock spectra. Details of the essential computation of standard derivation of response quantities associated with each analysis technique are also examined. The formulations are illustrated by design examples of a rigid frame subjected to an acceleration impulse applied to its base.

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