Automated assessment of ultimate longitudinal strength of ship hulls

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Authors
  1. Smith, M.J.
  2. Pegg, N.G.
Corporate Authors
Defence Research Establishment Atlantic, Dartmouth NS (CAN)
Abstract
An automated approach to ultimate strength assessment of ships using DREA's ultimate strength analysis suite is described. The analysis suite improves the ability to perform timely ultimate strength assessments of warships by providing access to UK and Canadian analysis codes and databases under a single user interface. The interface also allows for automatic cross-sectional model generation from three-dimensional ship finite element models with the MGDSA programme. A step-by-step description of the analysis options and procedures is provided, from the generation of sectional models to the viewing of results. Ultimate strength results obtained with the suite are presented and compared for three Canadian vessels. Based on these results, recommendations are made for the most effective use of the analysis suite and for this future improvement.

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Keywords
Ultimate strength;Ship structures;Moment curvature;DSA (Detail Stress Analysis);Maestro Graphics - Detail Stress Analysis;ULTMAT;Longitudinal strength;Load shortening curve;Idealised structural unit method;Moment-curvature;Bi-axial strength
Report Number
DREA-TM-2000-143 — Technical Memorandum
Date of publication
01 Nov 2000
Number of Pages
46
DSTKIM No
CA011409
CANDIS No
515989
Format(s):
Hardcopy;Document Image stored on Optical Disk

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