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TECHNICAL PAPERS

An Unstructured Finite Element Solver for Ship Hydrodynamics Problems

[+] Author and Article Information
J. Garcı́a, E. Oñate

International Centre for Numerical Methods in Engineering, Universidad Politécnica de Cataluna, Gran Capitán s/n, 08034 Barcelona, Spain

J. Appl. Mech 70(1), 18-26 (Jan 23, 2003) (9 pages) doi:10.1115/1.1530631 History: Received July 26, 2001; Revised March 12, 2002; Online January 23, 2003
Copyright © 2003 by ASME
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References

Garcı́a, J., Oñate, E., Sierra, H., Sacco, C., and Idelsohn, S., 1998, “A Stabilized Numerical Method for Analysis of Ship Hydrodynamics,” ECCOMAS98, K. Papaliou et al., eds., John Wiley and Sons, New York.
Oñate, E., Idelsohn, S., Sacco, C., and Garcı́a, J., 1998, “Stabilization of the Numerical Solution for the Free Surface Wave Equation in Fluid Dynamics,” ECCOMAS98, K. Papaliou et al., eds., John Wiley and Sons, New York.
Oñate, E., and Garcı́a, J., 1999, “A Methodology for Analysis of Fluid-Structure Interaction Accounting for Free Surface Waves,” European Conference on Computational Mechanics (ECCM99), Aug. 31–Sept. 3, Munich, Germany.
Oñate,  E., 1998, “Derivation of Stabilized Equations for Advective-Diffusive Transport and Fluid Flow Problems,” Comput. Methods Appl. Mech. Eng., 151, pp. 233–267.
Oñate,  E., Garcı́a,  J., and Idelsohn,  S., 1997, “Computation of the Stabilization Parameter for the Finite Element Solution of Advective-Diffusive Problems,” Int. J. Numer. Methods Fluids, 25, pp. 1385–1407.
Oñate, E., Garcı́a, J., and Idelsohn, S., 1998, “An Alpha-Adaptive Approach for Stabilized Finite Element Solution of Advective-Diffusive Problems With Sharp Gradients,” New Adv. in Adaptive Comp. Met. in Mech., P. Ladeveze and J. T. Oden, eds., Elsevier, New York.
Garcı́a, J., 1999, “A Finite Element Method for Analysis of Naval Structures,” Ph.D. thesis, Univ. Politècnica de Catalunya, Dec. (in Spanish).
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Oñate, E., 2001, “Possibilities of Finite Calculus in Computational Mechanics,” presented at the First Asian-Pacific Congress on Computational Mechanics, APCOM’01 Sydney, Australia, Nov. 20–23.
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David Taylor Model Basis 5415 Model Database, http://www.iihr.uiowa.edu/gothenburg2000/5415/combatant.html.
Korea Research Institute of Ships and Ocean Engineering (KRISO), http://www.iihr.uiowa.edu/gothenburg2000/KVLCC/tanker.html.

Figures

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Transom stern model. (a) Regular stern flow, (b) transom stern flow.
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DTMB 5415 model. Geometrical definition based on NURBS surfaces.
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DTMB 5415 model. Surface mesh used in the analysis.
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DTMB 5415 model. Wave profile on the hull.
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DTMB 5415 model. Wave profile at y/L=0.082. -*- experimental values, 24. –numerical results.
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Wave map of the DTMB 5415 model obtained in the simulation (above) compared to the experimental data (below)
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KVLCC2 model. Geometrical definition based on NURBS surfaces.
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KVLCC2 model. Surface mesh used in the analysis.
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KVLCC2 model. Wave profile on the hull compared to experimental data, 25. Thick line shows numerical results.
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KVLCC2 model. Wave profile on a cut at y/L=0.0964 compared to experimental data, 25. Thick line shows numerical results.
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KVLCC2 model. Map of the X component of the velocity on a plane at 2.71 m from the orthogonal aft. Comparison with the experimental data, 25.
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KVLCC2 model. Map of the X component of the velocity on a plane at 2.82 m from the orthogonal aft. Comparison with the experimental data, 25.
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KVLCC2 model. Map of the eddy kinetic energy (K) on a plane at 2.71 m from the orthogonal aft. Comparison with the experimental data, 25.
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Bravo España sail racing boat. Mesh used in the analysis.
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Bravo España. Velocity contours.
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Bravo España. Streamlines.
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Bravo España. Resistance test. Comparison of numerical results with experimental data.

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