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A feature based shape optimization technique for the configuration and parametric design of flat plates

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Abstract

A new feature based shape optimization technique is presented that is capable of modifying the topology (configuration) and shape to reduce the area of 2-D components based on the stress distribution in the component. Shape optimization attempts to maximize material usage to achieve a uniform stress distribution near the allowable limit of the material. Features can be added to the component, or can be modified, in order to optimize the material usage. By using features as a basis for shape modification, the problem of component connectivity can be handled in a consistent, intelligent manner, and the problem of smoothness is eliminated. A program was written to implement the optimization technique and was applied to two example problems, including one from the literature that used a different modification technique. The other example illustrates shape modification capabilities with more complicated geometry. Results from both examples are compared to results obtained using other topological modification techniques.

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  1. Department of Mechanical Engineering, University of Massachusetts at Amherst, 01003, Amherst, MA, USA

    D. W. Rosen & I. R. Grosse

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  1. D. W. Rosen
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  2. I. R. Grosse
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Rosen, D.W., Grosse, I.R. A feature based shape optimization technique for the configuration and parametric design of flat plates. Engineering with Computers 8, 81–91 (1992). https://doi.org/10.1007/BF01200104

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