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Introducing loading uncertainty in topology optimization


Reference:

Dunning, P. D., Kim, H. A. and Mullineux, G., 2011. Introducing loading uncertainty in topology optimization. AIAA Journal, 49 (4), pp. 760-768.

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Official URL:

http://dx.doi.org/10.2514/1.j050670

Abstract

Uncertainty is an important consideration in structural design and optimization to produce robust and reliable solutions. This paper introduces an efficient and accurate approach to robust structural topology optimization. The objective is to minimize expected compliance with uncertainty in loading magnitude and applied direction, where uncertainties are assumed normally distributed and statistically independent. This new approach is analogous to a multiple load case problem where load cases and weights are derived analytically to accurately and efficiently compute expected compliance and sensitivities. Illustrative examples using a level-set-based topology optimization method are then used to demonstrate the proposed approach.

Details

Item Type Articles
CreatorsDunning, P. D., Kim, H. A. and Mullineux, G.
DOI10.2514/1.j050670
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
Research CentresAerospace Engineering Research Centre
RefereedYes
StatusPublished
ID Code23649
Additional InformationProceedings paper from 6th AIAA Multidisciplinary Design Optimization Specialist Conference, 12-15 April 2010, Orlando, Florida.

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