Optimization with non-homogeneous failure criteria like Tsai–Wu for composite laminates

@article{Groenwold2006OptimizationWN,
  title={Optimization with non-homogeneous failure criteria like Tsai–Wu for composite laminates},
  author={Albert A. Groenwold and Raphael T. Haftka},
  journal={Structural and Multidisciplinary Optimization},
  year={2006},
  volume={32},
  pages={183-190}
}
In designing composite laminates, minimization of a suitable failure criterion is sometimes selected as the objective function. However, for non-homogeneous criteria, e.g., the Tsai–Wu criterion, this objective function will not maximize the failure load, when it is carried at a load which is different from the failure load. We suggest that the use of a safety factor for the objective function is more appropriate for maximizing for the faiure load. In fact we show losses of more than 40% in the… CONTINUE READING

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