Construction of Fair Surfaces Over Irregular Meshes

[+] Author and Article Information
Geir Westgaard

SimSurgery/Intervensjonssenteret University of Oslo, Stenergt. 1E, 0050 Oslo, Norway

Horst Nowacki

Technische Universität Berlin, Inst. für Schiffs- und Meerestechnik, Sekr. SG 10, Salzufer 17-19, 10587 Berlin, Germany

J. Comput. Inf. Sci. Eng 1(4), 376-384 (Oct 01, 2001) (9 pages) doi:10.1115/1.1433484 History: Received August 01, 2001; Revised October 01, 2001
Copyright © 2001 by ASME
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The Ville de Mercure surface model (after fairing)
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Input: Given mesh points Mpnts={m1,⋯ ,m5} and mesh curves Mcrvs={c1,⋯ ,c5} (a), put into a consistent midpoint refinement structure (b)
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Illustration of control points involved in each of the three fairing passes: (a) input data (app=approximation is allowed), (b) pass 1, (c) pass 2, (d) pass 3
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Local fair C1 surface constructions over an irregular mesh box structure (a) by minimizing different fairness measures (b)–(d)
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Irregular transition meshes (left column) and surfaces (right column); Transition strips between regions and cap of bulbous bow. The→indicate irregular mesh points.
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The Ville de Mercure container ship offset data. In total there are approximately 9300 points, measured along ship sections.
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Regular surface areas (given in different scales); Midbody, transom stern, bulbous bow, stern bulb



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