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@ARTICLE{Persson:12962,
      author       = {Persson, B. N. J.},
      title        = {{F}luid dynamics at the interface between contacting
                      elastic solids with randomly rough surfaces},
      journal      = {Journal of physics / Condensed matter},
      volume       = {22},
      issn         = {0953-8984},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PreJuSER-12962},
      pages        = {265004},
      year         = {2010},
      note         = {I thank G Carbone and M Scaraggi for interesting
                      discussions. I thank A Wohlers for supplying the AFM and STM
                      topography data for the grinded steel surface and for
                      discussions. This work, as part of the European Science
                      Foundation EUROCORES Program FANAS, was supported from funds
                      by the DFG and the EC Sixth Framework Program, under
                      contract N ERAS-CT-2003-980409.},
      abstract     = {We study fluid dynamics at the interface between elastic
                      solids with randomly rough surfaces. The contact mechanics
                      model of Persson is used to take into account the elastic
                      interaction between the solid walls, and the Bruggeman
                      effective medium theory to account for the influence of the
                      disorder on the fluid flow. We calculated the flow tensor
                      which determines the pressure flow factor and, for example,
                      the leak rate of static seals. It is shown how the
                      perturbation treatment of Tripp can be extended to arbitrary
                      order in the ratio between the root-mean-square roughness
                      amplitude and the average interfacial surface separation. We
                      introduce a matrix D(ζ), determined by the surface
                      roughness power spectrum, which can be used to describe the
                      anisotropy of the surface at any magnification ζ. Results
                      are presented for the asymmetry factor γ(ζ) (generalized
                      Peklenik number) for grinded steel and sandblasted PMMA
                      surfaces.},
      keywords     = {Anisotropy / Elasticity / Hydrodynamics / Microscopy,
                      Atomic Force: methods / Microscopy, Scanning Tunneling:
                      methods / Models, Statistical / Pressure / Surface
                      Properties / J (WoSType)},
      cin          = {IFF-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB781},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:21386470},
      UT           = {WOS:000278802000019},
      doi          = {10.1088/0953-8984/22/26/265004},
      url          = {https://juser.fz-juelich.de/record/12962},
}