Abstract

A minimum cost optimization procedure is presented for the analysis of multi-degree-of-freedom structures subjected to steady, transient and random vibration environments. The procedure is illustrated by results from a model of a semi-conductor industrial building consisting of mechanical and process floors. The analysis satisfies: vibration criteria of machines, floors and sensitive equipment; dynamic equilibrium of the structures; and permissible range of design and behavior variables. The minimum cost is deduced by means of an iterative method for a feasible solution and the penalty function method. Results for isolated and unisolated process floors are compared. This work can be very useful in the vibration control design of industrial buildings.

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