A review of optimization of structures subjected to transient loads
- Authors
- Kang, Byung-Soo; Park, Gyung-Jin; Arora, Jasbir S.
- Issue Date
- Feb-2006
- Publisher
- Springer Verlag
- Keywords
- Approximation; Design sensitivity; Dynamic response optimization; Equivalent static load; Flexible multibody dynamic systems; Review; Time-dependent constraint
- Citation
- Structural and Multidisciplinary Optimization, v.31, no.2, pp 81 - 95
- Pages
- 15
- Indexed
- SCIE
SCOPUS
- Journal Title
- Structural and Multidisciplinary Optimization
- Volume
- 31
- Number
- 2
- Start Page
- 81
- End Page
- 95
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/45387
- DOI
- 10.1007/s00158-005-0575-4
- ISSN
- 1615-147X
1615-1488
- Abstract
- Various aspects of structural optimization techniques under transient loads are extensively reviewed. The main themes of the paper are treatment of time-dependent constraints, calculation of design sensitivity, and approximation. Each subject is reviewed with corresponding papers that have been published since the 1970s. The treatment of time-dependent constraints in both the direct method and the transformation method is discussed. Two ways of calculating design sensitivity of a structure under transient loads are discussed-direct differentiation method and adjoint variable method. The approximation concept mainly focuses on the response surface method in crashworthiness and local approximation with the intermediate variables. Especially, a method using the equivalent static load is discussed as an approximation method. It takes advantage of the well-established static response optimization. The structural optimization in flexible multibody dynamic systems is reviewed in the viewpoint of the above three themes.
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