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Metamorphic development: a new topology optimization method for continuum structures
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DOI：10.1007/s001580050159.png)
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摘要
En 中文
An effective optimization procedure for finding structural shapes and topologies that minimize struct ural compliance and weight subject to stress and deflection constraints is presented. This new approach, called Metamorphic Development (MD), can allow a structure to grow and degenerate towards an optimum topological layout. In this method, the optimization can start fi om the simplest possible geometry (layout) or any degree of development of the structure rather than from a complex ground mesh. The structure is then developed metamorphically using rectangular and triangular elements that can be of ally specified sizes. Examples demonstrate the potential of the MD optimization procedure to generate innovative solutions to structural design problems. Results are given and the growth and degeneration histories during optimization are illustrated.
Keyword:
structural optimization
topology optimization
continuum structures
metamorphic development
stress
displacement
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