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TECHNICAL PAPERS

Redesign of Submerged Structures by Large Admissible Perturbations

[+] Author and Article Information
Vincent Y. Blouin

Department of Mechanical Engineering, Clemson University, Clemson, SC 29634-0921 e-mail: vblouin@clemson.edu

Michael M. Bernitsas

Department of Naval Architecture and Marine Engineering, The University of Michigan, Ann Arbor, MI 48109-2145 e-mail: michaelb@umich.edu

J. Offshore Mech. Arct. Eng 123(3), 103-111 (Apr 11, 2001) (9 pages) doi:10.1115/1.1382594 History: Received March 02, 2000; Revised April 11, 2001
Copyright © 2001 by ASME
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References

Bernitsas,  M. M., and Blouin,  V. Y., 1999, “Structural Redesign for Forced Response with Proportional Damping by Large Admissible Perturbations,” AIAA J., 37, pp. 1506–1513.
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Kang, B., and Bernitsas, M. M., 1994, “Stress Redesign by Large Admissible Perturbations,” BOSS ’94 Conference, Cambridge, MA, 3, pp. 201–212.
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Figures

Grahic Jump Location
Tubular beam finite element in local coordinate system
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(a) Beam finite element model (50 beam elements), and (b) plate finite element model (40×12 plate elements)
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Partial view of the cross section—match between plate finite element model and beam finite element model
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Cantilever beam model and node numbers
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Submerged structure and external conditions
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Response amplitude under excitation (magnified)

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