NEW EXTRAPOLATION TECHNOLOGY IN BIDIRECTIONAL FREQUENCY EVOLUTIONARY STRUCTURAL OPTIMIZATION METHOD

Liu Yameng;Wang Hao

Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (2) : 68-71.

PDF(3214 KB)
PDF(3214 KB)
Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (2) : 68-71.
论文

NEW EXTRAPOLATION TECHNOLOGY IN BIDIRECTIONAL FREQUENCY EVOLUTIONARY STRUCTURAL OPTIMIZATION METHOD

  • Liu Yameng,Wang Hao
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Abstract

This article discusses extrapolation technology in structural topology optimization.The traditional extrapolation method in bidirectional evolutionary structural optimization method can only be applied on regular rectangle element or cuboidal element, the article introduces a new method. The method is based on a new idea. After the normal modes analysis, according to the known displacements of the nodes in the intra-domain, unknown displacements of the nodes on the boundary of the structure will be calculated by linear static method. The method can be popularized on arbitrarily elements. The example demonstrates that the method in this article is effective.

Key words

structural topology optimization / evolutionary structural optimization / bidirectional evolutionary structural optimization method / boundary element

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Liu Yameng;Wang Hao . NEW EXTRAPOLATION TECHNOLOGY IN BIDIRECTIONAL FREQUENCY EVOLUTIONARY STRUCTURAL OPTIMIZATION METHOD[J]. Journal of Vibration and Shock, 2009, 28(2): 68-71
PDF(3214 KB)

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