Optimization of flexible components of multibody systems via equivalent static loads

Title
Optimization of flexible components of multibody systems via equivalent static loads
Authors
E. P. Hong유범재김창환G. J. Park
Keywords
Structural optimization; Equivalent loads method; Multibody dynamic system; Topology optimization; Shape optimization
Issue Date
2010-01
Publisher
Structural and multidisciplinary optimization : journal of the International Society for Structural and Multidisciplinary Optimization
Citation
VOL 40, 549-562
Abstract
An optimization methodology that iteratively links the results of multibody dynamics and structural analysis software to an optimization method is presented to design flexible multibody systems under dynamic loading conditions. In particular, rigid multibody dynamic analysis is utilized to calculate dynamic loads of a multibody system and a structural optimization algorithm using equivalent static loads transformed from the dynamic loads are used to design the flexible components in the multibody dynamic system. The equivalent static loads, which are derived from equations of motion, are used as multiple loading conditions of linear structural optimization. A simple example is solved to verify the proposed methodology and the pelvis part of the biped humanoid, a complex multibody system which consists of many bodies and joints, is redesigned using the proposed methodology.
URI
http://pubs.kist.re.kr/handle/201004/39303
ISSN
1615-147X
Appears in Collections:
KIST Publication > Article
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