Large Deflection Elastic-Plastic Dynamic Response of Stiffened Shells of Revolution

[+] Author and Article Information
J. A. Stricklin, W. E. Haisler

Aerospace Engineering Department, Texas A&M University, College Station, Tex.

W. A. Von Riesemann

Analytical Development Division, Sandia Laboratories, Albuquerque, N. M.

J. Pressure Vessel Technol 96(2), 87-95 (May 01, 1974) (9 pages) doi:10.1115/1.3454157 History: Received February 14, 1974; Online October 25, 2010


This paper presents the formulation and check-out problems for a computer code DYNAPLAS, which analyzes the large deflection elastic-plastic dynamic response of stiffened shells of revolution. The formulation for spacial discretization is by the finite element method with finite differences being used for the evaluation of the pseudo forces due to material and geometric nonlinearities. Time integration is by the Houbolt method or central differences. The stiffeners may be due to concentrated or distributed eccentric rings and spring supports at arbitrary angles around the circumference of the elements. Check-out problems include the comparison of solutions from DYNAPLAS with experimental and other computer solutions for rings and conical and cylindrical shells. A hypothetical submarine including stiffeners and missile tube is studied under a combination of hydrostatic and dynamically applied asymmetrical pressure loadings.

Copyright © 1974 by ASME
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