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Modeling waves in fluids flowing over and through poroelastic media
Univ Genoa, Scuola Politecn, DICCA, Via Montallegro 1, I-16145 Genoa, Italy..
KTH, Skolan för teknikvetenskap (SCI), Mekanik. KTH, Skolan för teknikvetenskap (SCI), Centra, Linné Flow Center, FLOW.ORCID-id: 0000-0003-3094-0848
KTH, Skolan för teknikvetenskap (SCI), Mekanik. KTH, Skolan för teknikvetenskap (SCI), Centra, Linné Flow Center, FLOW.ORCID-id: 0000-0002-8209-1449
Univ Genoa, Scuola Politecn, DICCA, Via Montallegro 1, I-16145 Genoa, Italy..
2019 (engelsk)Inngår i: International Journal of Multiphase Flow, ISSN 0301-9322, E-ISSN 1879-3533, Vol. 110, s. 148-164Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Multiscale homogenization represents a powerful tool to treat certain fluid-structure interaction problems involving porous, elastic, fibrous media. This is shown here for the case of the interaction between a Newtonian fluid and a poroelastic, microstructured material. Microscopic problems are set up to determine effective tensorial properties (elasticity, permeability, porosity, bulk compliance of the solid skeleton) of the homogenized medium, both in the interior and at its boundary with the fluid domain, and an extensive description is provided of such properties for varying porosity. The macroscopic equations which are derived by homogenization theory employ such effective properties thus permitting the computation of velocities and displacements within the poroelastic mixture for two representative configurations of standing and travelling waves.

sted, utgiver, år, opplag, sider
Elsevier, 2019. Vol. 110, s. 148-164
Emneord [en]
Homogenization, Biot-Allard equations, Poroelasticity, Interface conditions
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-240698DOI: 10.1016/j.ijmultiphaseflow.2018.09.006ISI: 000452945400012Scopus ID: 2-s2.0-85054025880OAI: oai:DiVA.org:kth-240698DiVA, id: diva2:1276937
Merknad

QC 20190109

Tilgjengelig fra: 2019-01-09 Laget: 2019-01-09 Sist oppdatert: 2019-01-09bibliografisk kontrollert

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Lacis, UgisBagheri, Shervin

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