Numerical simulation of the flow through metallic foams: multiscale modeling and experimental validation

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Proceedings titlePorous Media and its Applications in Science, Engineering and Industry: 3rd International Conference
Series titleAIP Conference Proceedings; no. 1254
ConferenceThird International Conference on Porous Media and its Applications in Science, Engineering and Industry, June 20-25, 2010, Montecatini, Italy
Pages287292; # of pages: 6
Subjectfoam; finite element analysis; boundary layers; Navier-Stokes equations; metallic foam; multiscale modeling; finite elements; immersed boundary method; permeability
AbstractIn this work the incompressible steady-state flow through a metallic foam matrix is solved by a finite element method. A multiscale approach combining the solution at the pore level by an immersed boundary method and the macro-scale solution with simulated permeability is used. The micro scale solution of the flow takes into account the details characterizing the geometry of the foam (µCT scans) and is used to determine the permeability coefficients in the Forchheimer's model. In a second step, a numerical approach is used to solve the flow at the macro scale by modelling the presence of the foam via a source term corresponding to the pressure drop computed at the micro scale. Such simulation gives the opportunity to solve the flow in complex configurations in which the foam is only a part of the computational domain. The computed pressure drop as a function of the flow rate on the macro scale configuration replicating an experimental set-up is compared with the experimental data for various foam thicknesses.
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AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NPARC number16898201
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Record identifierf65c0847-8c52-46c0-82d0-68ab7c89b23c
Record created2011-02-20
Record modified2016-05-09
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