Numerical approximation of capillary surfaces in a negative gravitational field
Interfaces and free boundaries, Volume 15 (2013) no. 3, pp. 263-280
See the original article notice from the EMS Press source
A capillary surface in a negative gravitational field describes the shape of the surface of a hanging drop in a capillary tube with wetting material on the bottom. Mathematical modeling leads to the volume- and obstacle-constrained minimization of a nonconvex nonlinear energy functional of mean curvature type which is unbounded from below. In 1984 Huisken proved the existence and regularity of local minimizers of this energy under the condition on gravitation being sufficiently weak. We prove convergence of a first order finite element approximation of these minimizers. Numerical results demonstrating the theoretic convergence order are given.
Classification:
65-XX, 53-XX
Keywords: Capillary surface, obstacle problem, finite elements, discretization error bound
Keywords: Capillary surface, obstacle problem, finite elements, discretization error bound
Author's affiliations:
Hanne Hardering  1
Hanne Hardering. Numerical approximation of capillary surfaces in a negative gravitational field. Interfaces and free boundaries, Volume 15 (2013) no. 3, pp. 263-280. doi: 10.4171/ifb/303
@article{10_4171_ifb_303,
author = {Hanne Hardering},
title = {Numerical approximation of capillary surfaces in a negative gravitational field},
journal = {Interfaces and free boundaries},
pages = {263--280},
year = {2013},
volume = {15},
number = {3},
doi = {10.4171/ifb/303},
url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/303/}
}
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