Axisymmetric shell optimization under fracture mechanics and geometric constraint
作者： Nikolai Banichuk , Francesco Ragnedda , Mauro Serra
DOI: 10.1007/S00158-005-0585-2
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摘要: This paper describes a problem of axisymmetric shell optimization under fracture mechanics and geometric constraints. The is made from quasi-brittle materials, through crack arising admitted. It supposed that the loaded by cyclic forces. A propagation process related to stress intensity factor described Paris fatigue law. finding meridian shape thickness distribution (geometric design variables) having smallest mass subject constraints on number for cracks geometrical constraint volume investigated. Special attention devoted different possibilities transformation analytical methods their solution. Using minimax approach, optimal shapes shells distributions have been found analytically.
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