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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, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0003-3094-0848
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0002-8209-1449
Univ Genoa, Scuola Politecn, DICCA, Via Montallegro 1, I-16145 Genoa, Italy..
2019 (English)In: International Journal of Multiphase Flow, ISSN 0301-9322, E-ISSN 1879-3533, Vol. 110, p. 148-164Article in journal (Refereed) 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.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 110, p. 148-164
Keywords [en]
Homogenization, Biot-Allard equations, Poroelasticity, Interface conditions
National Category
Applied Mechanics
Identifiers
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
Note

QC 20190109

Available from: 2019-01-09 Created: 2019-01-09 Last updated: 2019-01-09Bibliographically approved

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Lacis, UgisBagheri, Shervin

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