Few numerical aspects of the Neumann-Kelvin's model with capillary in hydrodynamics
Résumé
A discussion and an improvement on the Neumann-Kelvin's model are suggested in this paper. This model is used in the simulation of progres- sive wave phenomenon. But as mentioned by several authors [CHEN 01], [YAN 00], [RIC 96], [LIH 78], this model is ill posed unless a capillary en- ergy is introduced. The mathematical explanation is that a compactness inversion occurs if the capillary forces are omitted. Theoretical argu- ments and numerical simulations are used in the following which aim at giving an explanation of what happens from a mechanical point of view.
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