Application of the Structural Topological Optimization in the Column Stability Design

Bing Chuan Bian; Guan Ming Peng; Yun Kang Sui

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

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 37-38Application of the Structural Topological...

Application of the Structural Topological Optimization in the Column Stability Design

Abstract:

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.

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Periodical:

Applied Mechanics and Materials (Volumes 37-38)

Pages:

190-193

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.37-38.190

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Online since:

November 2010

Authors:

Bing Chuan Bian, Guan Ming Peng, Yun Kang Sui

Keywords:

Buckling Constraint, Column Stability, ICM Method, Topological Optimisation

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