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The theory of structural optimization has advanced considerably during the last three decades as is illustrated by the vast number of published books, surveys, and papers on the subject. On the other hand, application of optimization into practice is comparatively modest and reserved for special problems solved by optimization experts. The paper attempts to factually establish the extent of practical use of optimization in structural engineering to date and to examine the possible causes for its rather limited and slow adoption. The first objective is achieved by documenting the state of the practice and existing trends. This is based on the presentation of a broad catalog of some 500 published optimization examples, organized with the designers' needs in mind. As for the second objective, it is suggested that the complexities of mathematical optimization represent a major obstacle for the structural designer, even when he is motivated to use optimization. Accordingly, it is proposed that design optimization be considered from a structural rather than mathematical angle, particularly with regard to problem identification.
Cohn et al. (Tue,) studied this question.