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Crash worthiness design optimization using multipoint sequential linear programming

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Abstract

A design optimization tool has been developed for the crash victim simulation software MADYMO. The crash worthiness optimization problem is characterized by a noisy behaviour of objective function and constraints. Additionally, objective function and constraint values follow from a computationally expensive numerical analysis. Sequential approximate optimization is used to deal with both the noisy functional behaviour and the high computational costs. By means of multipoint approximations, a sequence of linear programming problems is generated that can be easily solved. The optimization approach is illustrated for an analytical test problem and an industrial crash worthiness design problem.

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Author notes

  1. J. M. T. A. Adriaens

    Present address: Department of Mathematics, Delft University of Technology, P.O. Box 5033, Delft, The Netherlands

Authors and Affiliations

  1. Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, Eindhoven, The Netherlands

    L. F. P. Etman & A. J. G. Schoofs

  2. TNO Road-Vehicles Research Institute, P.O. Box 6033, Delft, The Netherlands

    J. M. T. A. Adriaens & M. T. P. van Slagmaat

Authors
  1. L. F. P. Etman
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  2. J. M. T. A. Adriaens
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  3. M. T. P. van Slagmaat
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  4. A. J. G. Schoofs
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Etman, L.F.P., Adriaens, J.M.T.A., van Slagmaat, M.T.P. et al. Crash worthiness design optimization using multipoint sequential linear programming. Structural Optimization 12, 222–228 (1996). https://doi.org/10.1007/BF01197360

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  • DOI: https://doi.org/10.1007/BF01197360

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