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000283756 1001_ $$0P:(DE-Juel1)145207$$aDapp, Wolfgang$$b0$$ufzj
000283756 1112_ $$aNIC Symposium 2016$$cJülich$$d2016-02-11 - 2016-02-12$$wGermany
000283756 245__ $$aContact Mechanics and Fluid Leakage Near Percolation
000283756 260__ $$aJülich$$bForschungszentrum Jülich GmbH, Zentralbibliothek$$c2016
000283756 29510 $$aNIC Symposium 2016
000283756 300__ $$a21-29
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000283756 520__ $$aIn this work, we present calculations on the leakage of fluid through the gap that forms between a rigid substrate with microscopic roughness and a flat but elastically deformable counter body that is pressed against the substrate. We find that the resistance to flow near the percolation threshold is determined by one, or at most very few constrictions. These constrictions can be described as saddle points and their contact mechanics determine the critical flow rather than the gap topography at large scales.
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000283756 7001_ $$0P:(DE-Juel1)144442$$aMüser, Martin$$b1$$ufzj
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