A New Stochastic Programming Method for Vehicle Structures

نویسندگان

  • Yan Fu
  • Steve Wang
  • Urmila M. Diwekar
  • Kemal H. Sahin
چکیده

This paper presents an application of a new stochastic programming method for vehicle side impact design. Nonlinear response surface models are employed as the 'real' models for the side impact related performance functions to conduct this study. The main goal is to enhance vehicle side impact crash performance while minimizing vehicle weight under various uncertainties. The new algorithm alleviates the computational burden of excessive model evaluations by estimating the objective and constraint functions during the optimization process through a reweighting method. The efficiency and accuracy of this algorithm are demonstrated by solving a real-world vehicle safety design problem.

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تاریخ انتشار 2002