A Method for Reliability-Based Sensitivity Analysis of Ship’s Hull Structures Using Combined Plate and Frame Structure Models

[+] Author and Article Information
H. Okada, K. Masaoka, Y. Murotsu, S. Hibi, W. Kiyokawa

Department of Marine System Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka 599-8531, Japan

J. Offshore Mech. Arct. Eng 121(3), 159-165 (Aug 01, 1999) (7 pages) doi:10.1115/1.2829560 History: Received June 28, 1998; Revised February 19, 1999; Online December 17, 2007


This paper is concerned with reliability-based sensitivity analysis of ship’s hull structures, which are modeled by using combined spatial plate and frame elements, based on the ultimate strength analysis. At first, a newly proposed system using combined plate and beam elements is presented to expand the applicability of the structural reliability-based sensitivity analysis combined with collapse mode analysis. Next, the proposed system is demonstrated to be applicable through a numerical example applied to a simple box girder with longitudinal stiffeners. Finally, features of the structural reliability and sensitivity factors of a high-speed container ship based on collapse mode analysis are investigated by applying the newly developed system.

Copyright © 1999 by The American Society of Mechanical Engineers
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