The discrete Plateau Problem: Algorithm and numerics
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- by Gerhard Dziuk and John E. Hutchinson PDF
- Math. Comp. 68 (1999), 1-23 Request permission
Abstract:
We solve the problem of finding and justifying an optimal fully discrete finite element procedure for approximating minimal, including unstable, surfaces. In this paper we introduce the general framework and some preliminary estimates, develop the algorithm, and give the numerical results. In a subsequent paper we prove the convergence estimate. The algorithmic procedure is to find stationary points for the Dirichlet energy within the class of discrete harmonic maps from the discrete unit disc such that the boundary nodes are constrained to lie on a prescribed boundary curve. An integral normalisation condition is imposed, corresponding to the usual three point condition. Optimal convergence results are demonstrated numerically and theoretically for nondegenerate minimal surfaces, and the necessity for nondegeneracy is shown numerically.References
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Additional Information
- Gerhard Dziuk
- Affiliation: Institut für Angewandte Mathematik, Universität Freiburg, Hermann–Herder–Str. 10, D-79104 Freiburg i. Br., GERMANY
- Email: gerd@mathematik.uni-freiburg.de
- John E. Hutchinson
- Affiliation: Department of Mathematics, School of Mathematical Sciences, Australian National University, GPO Box 4, Canberra, ACT 0200, AUSTRALIA
- MR Author ID: 90330
- Email: John.Hutchinson@anu.edu.au
- Received by editor(s): August 26, 1996
- © Copyright 1999 American Mathematical Society
- Journal: Math. Comp. 68 (1999), 1-23
- MSC (1991): Primary 65N30; Secondary 49Q05, 53A10
- DOI: https://doi.org/10.1090/S0025-5718-99-01025-X
- MathSciNet review: 1613695