CUED Publications database

Pareto front spacing with differential geometry in multidisciplinary systems

Bakker, C and Parks, GT (2015) Pareto front spacing with differential geometry in multidisciplinary systems. Structural and Multidisciplinary Optimization, 52. pp. 973-989. ISSN 1615-147X

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Abstract

© 2015, Springer-Verlag Berlin Heidelberg. Multidisciplinary Design Optimization, also known as MDO, deals with the optimization of complex but typically single-objective design problems. As such, it would be valuable to combine it with Multi-Objective Optimization (MOO). Within MOO, Weighted Sums (WS) is a standard solution method, but it may not produce a good spacing of solution points along the Pareto Front (PF). Using our differential geometry MDO framework, we present a technique for intelligently spacing out Pareto solutions produced with WS in a multidisciplinary MOO formulation. Following an initial demonstration, we present modifications to our method to handle ill-conditioning better, to produce fewer dominated points in PF refinement, and to use MOO solution methods other than WS.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div A > Energy
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:42
Last Modified: 03 Aug 2017 03:13
DOI: