caa a22 4500 528785443 20181217030312.0 cr unu---uuuuu 180924e20131031xx s 000 0 eng 10.3929/ethz-b-000074690 doi 10.1038/srep03106 doi (ETHRESEARCH)oai:www.research-collection.ethz.ch:20.500.11850/74690 Mendoza Miller Flow Through Randomly Curved Manifolds [Elektronische Daten] [Miller Mendoza, Sauro Succi, Hans J. Herrmann] Sci Rep Open access ethresearch We present a computational study of the transport properties of campylotic (intrinsically curved) media. It is found that the relation between the flow through a campylotic media, consisting of randomly located curvature perturbations, and the average Ricci scalar of the system, exhibits two distinct functional expressions, depending on whether the typical spatial extent of the curvature perturbation lies above or below the critical value maximizing the overall scalar of curvature. Furthermore, the flow through such systems as a function of the number of curvature perturbations is found to present a sublinear behavior for large concentrations, due to the interference between curvature perturbations leading to an overall less curved space. We have also characterized the flux through such media as a function of the local Reynolds number and the scale of interaction between impurities. For the purpose of this study, we have also developed and validated a new lattice Boltzmann model. Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported http://creativecommons.org/licenses/by-nc-nd/3.0 ethresearch Interstellar medium ethresearch Fluid dynamics ethresearch Computational science ethresearch Computational biophysics ethresearch Succi Sauro joint author Herrmann Hans J. joint author Scientific Reports London : Nature Publishing Group 3, p. 3106 2045-2322 http://hdl.handle.net/20.500.11850/74690 text/html WWW-Backlink auf das Repository (Open access) 1 Journal Article ethresearch ETHRESEARCH 856 40 http://hdl.handle.net/20.500.11850/74690 text/html WWW-Backlink auf das Repository (Open access) ETHRESEARCH 100 1- Mendoza Miller ETHRESEARCH 700 1- Succi Sauro joint author ETHRESEARCH 700 1- Herrmann Hans J. joint author ETHRESEARCH 773 0- Scientific Reports London : Nature Publishing Group 3, p. 3106 2045-2322 BK010053 XK010053 XK010000 ETHRESEARCH ETHRESEARCH ETHRESEARCH Journal Article Open access