Abstract
Shape optimal design is the synthesis of structural analysis and mathematical programming (MP) combined with methods of computer aided geometric design (CAGD) and behaviour sensitivity analysis (SA). The main aspect in optimal shape design is the integration of these disciplines. At the same time an efficient and well-posed model must be formulated for the overall optimization problem. The present contribution deals with the hierarchy of the different modelling levels and numerical techniques of the design process. It will be shown for the frequency tuning of a bell how the individual disciplines can be identified step by step in the optimization procedure of the program CARAT (Computer Aided Research and Analysis Tool).
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