Paper Title:
Study of Improved Multiple Discipline Feasible Strategy for Complicated System Optimization
  Abstract

The advantages of global sensitivity equation (GSE) method are firstly pointed out, with which an improved multiple discipline feasible (MDF) strategy based on GSE, denoted as MDF-GSE, is developed. In MDF-GSE strategy, the sensitivity of complicated coupled system is calculated using GSE in a parallel manner, which makes MDF-GSE more efficiency when optimizing complicated coupled system compared with the original MDF strategy. Additionally, the preferable performance in convergence and robustness of MDF is also inherited in MDF-GSE. A conceptual optimization of a training airplane is executed using both MDF and MDF-GSE. The results of quantificational comparison demonstrate that computational efficiency is improved dramatically by using MDF-GSE, which makes required computation cost decreased by about 86%. The optimization time, furthermore, ulteriorly reduced due to the quasi-parallel capability of MDF-GSE. It is indicated that the MDF-GSE strategy can enhance the optimization efficiency for the complicated coupled systems.

  Info
Periodical
Edited by
Ran Chen
Pages
3264-3268
DOI
10.4028/www.scientific.net/AMM.44-47.3264
Citation
T. Long, L. Liu, H. J. Li, "Study of Improved Multiple Discipline Feasible Strategy for Complicated System Optimization", Applied Mechanics and Materials, Vols. 44-47, pp. 3264-3268, 2011
Online since
December 2010
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Price
$32.00
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