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Topological Optimization of Anisotropic Heat Conducting Devices using Bezier-Smoothed Boundary Representation

C.T.M. Anflor1, R.J. Marczak2

UnB, Brasília, DF, Brazil.
UFRGS, Porto Alegre, RS, Brazil

Computer Modeling in Engineering & Sciences 2011, 78(3&4), 151-168. https://doi.org/10.3970/cmes.2011.078.151

Abstract

This paper aims to demonstrate the final result of an optimization process when a smooth technique is introduced between intermediary iterations of a topological optimization. In a topological optimization process is usual irregular boundary results as the final shape. This boundary irregularity occurs when the way of the material is removed is not very suitable. Avoiding an optimization post-processing procedure some techniques of smooth are implemented in the original optimization code. In order to attain a regular boundary a smoothness technique is employed, which is, Bezier curves. An algorithm was also developed to detect during the optimization process which curve of the intermediary topology must be smoothed. For the purpose of dealing with non-isotropic materials a linear coordinate transformation was implemented. Afterwards, some cases are compared and discussed.

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Cite This Article

Anflor, C., Marczak, R. (2011). Topological Optimization of Anisotropic Heat Conducting Devices using Bezier-Smoothed Boundary Representation. CMES-Computer Modeling in Engineering & Sciences, 78(3&4), 151–168.



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