Abstract
The application of a practical design algorithm for optimizing the structural performance of pressure vessels is presented. Specifically, the pressure vessel shape considered is an axisymmetric shell with a torispherical head which is intersected by a nozzle and the criterion for optimization is to minimize the maximum shearing stress occurring in the structure. Both linear and non-linear objective functions describing the shear stress in terms of the design variables are formulated and the system is optimized by using a penalty function procedure combined with a variable metric unconstrained minimization technique. The procedure is illustrated by various examples and is generally applicable as a design tool.
Published Version
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