A tension approach to controlling the shape of cubic spline surfaces on FVS triangulations |
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| Authors: | Oleg Davydov Carla Manni |
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| Institution: | a Department of Mathematics, University of Strathclyde, 26 Richmond Street, Glasgow G1 1XH, Scotland, United Kingdom
b Department of Mathematics, University of Rome “Tor Vergata”, Via della Ricerca Scientifica, 00133, Roma, Italy |
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| Abstract: | We propose a parametric tensioned version of the FVS macro-element to control the shape of the composite surface and remove artificial oscillations, bumps and other undesired behaviour. In particular, this approach is applied to C1 cubic spline surfaces over a four-directional mesh produced by two-stage scattered data fitting methods. |
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| Keywords: | 41A15 41A63 65D07 65D15 65D17 |
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