Application of the Structural Topological Optimization in the Column Stability Design

Abstract:

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In this paper, according to the ICM (Independent Continuous Mapping) method, the topology optimization problem of continuum structures is solved. The topology optimization model for the continuum structure is constructed, which minimized weight as the objective function and was subjected to the buckling constraints. Based on the Taylor expansion, the filtering function and the Rayleigh quotient, the objective function and the buckling constraint are approximately expressed as the explicit function. The optimization model is translated into a dual programming and solved by the sequence second-order programming. Finally, the compressed bar examples are presented. They verified the length coefficient which is converted into stability bar hinged at both ends, identified the location of bottlenecks in topological structures. According to the results, more reasonable topological structures were given.

Info:

Periodical:

Edited by:

Yi-Min Deng, Aibing Yu, Weihua Li and Di Zheng

Pages:

190-193

DOI:

10.4028/www.scientific.net/AMM.37-38.190

Citation:

B. C. Bian et al., "Application of the Structural Topological Optimization in the Column Stability Design", Applied Mechanics and Materials, Vols. 37-38, pp. 190-193, 2010

Online since:

November 2010

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Price:

$35.00

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