Shape Optimization of Rotating Disks

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Alexis Pospelov, Fedor Gubarev


20th Conference of the International Federation of Operational Research Societies, 2014


The methodology for structural design of rotating disks was developed. The disk was considered as axisymmetric rotating part of aircraft engines subjected to thermal, inertial, blade and fit forces. Methods of static stress analysis and low-cycle fatigue life prediction were used to predict disk performance. The goal was to determine the shape of the disk cross section with minimum weight and maximum fatigue cycles. The family of Pareto-frontiers was obtained for different rotating speeds by mean of descent-diffusion optimization approach.

Keywords: Optimization, Multi-Objective Optimization, Turbomachinery


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