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A Systems Approach to Evolutionary Multiobjective Structural Optimization and Beyond
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DOI：10.1109/MCI.2009.933094.png)
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Abstract
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Multiobjective evolutionary algorithms (MOEAs) have shown to be effective in solving a wide range of test problems. However, it is not straightforward to apply MOEAs to complex real-world problems. This paper discusses the major challenges we face in applying MOEAs to complex structural optimization, including the involvement of time-consuming and multi-disciplinary quality evaluation processes, changing environments, vagueness in formulating criteria formulation, and the involvement of multiple sub-systems. We propose that the successful tackling of A these aspects give birth to a systems approach to evolutionary design optimization characterized by considerations at four levels, namely, the system property level, temporal level, spatial level and process level. Finally, we suggest a few promising future research topics in evolutionary structural design that consist in the necessary steps towards a fife-like design approach, where design principles found in biological systems such as self-organization, self-repair and scalability play a central role.
Keywords:
FREE-FORM DEFORMATION
LOCAL SEARCH
COMPUTATION
ROBUSTNESS
ALGORITHMS
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