Sensitivity Analysis in Shape Optimization Design for Pressure Vessel

[+] Author and Article Information
L. Younsheng

Chemical Machinery Department, Nanjing Institute of Chemical Technology, Nanjing, People’s Republic of China

L. Ji

China Jiangsu Machinery and Equipment Import and Export Corporation, Nanjing, People’s Republic of China

J. Pressure Vessel Technol 114(4), 428-432 (Nov 01, 1992) (5 pages) doi:10.1115/1.2929250 History: Received June 17, 1991; Revised July 06, 1992; Online June 17, 2008


In this paper, sensitivity analysis for a finite element model during shape optimization design for a pressure vessel is discussed. The derivation is emphatically carried out for the derivatives of stiffness matrix and various load ranks with respect to design variables. Because the information resulting from the finite element analysis is fully utilized in this method, the programs are greatly simplified so that it becomes possible to carry out the shape optimization with comparatively more versatility. The conclusion is illustrated by an example.

Copyright © 1992 by The American Society of Mechanical Engineers
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