Nonlinear Analysis of Jacket-Type Offshore Platforms Using Fiber Elements-Reference-Cited by-同舟云学术

Nonlinear Analysis of Jacket-Type Offshore Platforms Using Fiber Elements

Published:2006-01-12 Issue:3 Volume:128 Page:224-232
ISSN:0892-7219
Container-title:Journal of Offshore Mechanics and Arctic Engineering
language:en
Short-container-title:

Author:

Asgarian B.¹,Aghakouchak A. A.²,Bea R. G.³

Affiliation:

1. Civil Engineering Department, KN Toosi University of Technology, Tehran, Iran

2. Civil Engineering Department, Tarbiat Modarres University, Tehran, Iran

3. Department of Civil and Environmental Engineering, University of California at Berkeley, Berkeley, CA

Abstract

A nonlinear fiber element for analysis of jacket type offshore structures is formulated and implemented in the nonlinear program DRAIN-3DX. This element can be used for modeling the nonlinear behavior of both strut and portal members. The element predicts buckling load and post buckling behavior of strut members accurately. It also produces fairly accurate results for yield load and post yield behavior of portal members. This element is verified using the experimental data for individual strut and portal members subjected to cyclic displacements. The element is then used to predict nonlinear behavior of two tested X-braced jackets made of tubular members under cyclic lateral displacement. The results are in good agreement with experiments and the results of other analytical models in terms of frame hysteretic behavior, energy dissipation, buckling load, load-deformation curve, strength and stiffness degradation.

Publisher

ASME International

Subject

Mechanical Engineering,Ocean Engineering

Link

http://asmedigitalcollection.asme.org/offshoremechanics/article-pdf/128/3/224/5739541/224_1.pdf

Reference21 articles.

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