0
TECHNICAL PAPERS

Stochastic Fatigue Damage Accumulation Due to Nonlinear Ship Loads

[+] Author and Article Information
Alok K. Jha

Risk Management Solutions, Inc., Menlo Park, CA 94025e-mail: alokj@riskinc.com

Steven R. Winterstein

Civil and Environmental Engineering Department, Stanford University, Stanford, CA 94305-4020e-mail: Steven.Winterstein@stanford.edu

J. Offshore Mech. Arct. Eng 122(4), 253-259 (Jun 20, 2000) (7 pages) doi:10.1115/1.1315303 History: Received September 01, 1998; Revised June 20, 2000
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Model of monohull ship that will be analyzed using strip theory
Grahic Jump Location
Linear transfer function for midship bending moment response
Grahic Jump Location
Partial wave and response histories at midship
Grahic Jump Location
Comparison of fatigue damage from linear and nonlinear analysis for sag, hog, and range bending moments
Grahic Jump Location
Comparison of simulated wave heights to Forristall and to Rayleigh distributions
Grahic Jump Location
Simulated wave period versus modified Longuet-Higgins wave period
Grahic Jump Location
Wave heights and periods for the 30 waves used in the NTF model
Grahic Jump Location
Damage prediction from response to 30 selected sinusoidal waves. The single-wave cycle responses are used in this prediction.
Grahic Jump Location
Construction of wave triplet for NTF load prediction
Grahic Jump Location
Relation of side wave height to middle wave height
Grahic Jump Location
Damage prediction from the response to 30 selected waves as in Fig. 8. Here the side waves have been assigned as “consistent triplets” rather than the regular sinusoids assigned in Fig. 8.
Grahic Jump Location
Sag damage prediction from NTF method with 30 triplet waves compared to linear prediction and exact damage
Grahic Jump Location
Hog damage prediction from NTF method with 30 triplet waves compared to linear prediction and exact damage
Grahic Jump Location
Wave parameters (from quadrature) of the 15 waves in NTF model. (Note the largest period for the smallest height is not shown, to facilitate comparison with Fig. 7.)
Grahic Jump Location
Damage prediction from response to selected waves with side waves; 15 wave triplets have been used in the fatigue prediction
Grahic Jump Location
Improvement of NTF prediction for sag damage by including scatter effects

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In