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Multidisciplinary Design Optimization Of The Research And Application Of The Agent Model

Posted on:2005-04-28Degree:MasterType:Thesis
Country:ChinaCandidate:X F MuFull Text:PDF
GTID:2192360122975602Subject:Aircraft design
Abstract/Summary:PDF Full Text Request
Surrogate model is an important component of Multidiscipline Design Optimization (MDO). A surrogate model is created with experiment design methods and approximation approaches, and it can be easily integrated into a MDO Framework. This article describes the development process of surrogate models and introduces some experiment design methods and approximation approaches that can be used for a MDO surrogate model, they are Full Factorial Experiment Design, Orthogonal Experiment Design, Uniform Experiment Design, Central-Composite Experiment Design, and Polynomial Response Surface method, Kriging method, Radial Basis Function method and Artificial Neural Network. At the end of this article, a surrogate model is created to describe the lift distribution of a wing. Result shows that Kriging method and RBF method are two useful approximation approaches, especially for high dimension problem. In addition, this article created a generalized polynomial response surface model, and result shows that it can be also used to describe the lift distribution.
Keywords/Search Tags:Multidiscipline Design Optimization, Surrogate model, Design of Experiment, Approximation approaches, Polynomial Response Surface method, Kriging method, Radial Basis Function method
PDF Full Text Request
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