期刊
NONLINEARITY
卷 19, 期 12, 页码 2813-2831出版社
IOP PUBLISHING LTD
DOI: 10.1088/0951-7715/19/12/005
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We investigate the stability of the three-phase contact line of a thin liquid ridge on a hydrophobic substrate for flow driven by surface tension and van der Waals forces. We study the role of slippage in the emerging instability at the three-phase contact line by comparing the lubrication models for no-slip and slip conditions at the liquid/ substrate interface. For both cases we derive a sharp-interface model via matched asymptotic expansions and derive the eigenvalues from a linear stability analysis of the respective reduced models. We compare our asymptotic results with the eigenvalues obtained numerically for the full lubrication models.
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