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Mechanical response of a thick poroelastic gel in contactless colloidal-probe rheology

hal.structure.identifierGulliver (UMR 7083)
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorKOPECZ-MULLER, Caroline
hal.structure.identifierUniversity of Twente
dc.contributor.authorBERTIN, Vincent
hal.structure.identifierGulliver (UMR 7083)
dc.contributor.authorRAPHAËL, Elie
hal.structure.identifierGulliver (UMR 7083)
dc.contributor.authorMCGRAW, Joshua
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorSALEZ, Thomas
dc.date.issued2023
dc.identifier.issn0080-4541
dc.description.abstractEnWhen a rigid object approaches a soft material in a viscous fluid, hydrodynamic stresses arise in the lubricated contact region and deform the soft material. The elastic deformation modifies in turn the flow, hence generating a soft-lubrication coupling. Moreover, soft elastomers and gels are often porous. These materials may be filled with solvent or uncrosslinked polymer chains, and might be permeable to the surrounding fluid, which complexifies further the description. Here, we derive the point-force response of a semi-infinite and permeable poroelastic substrate. Then, we use this fundamental solution in order to address the specific poroelastic lubrication coupling associated with contactless colloidal-probe methods. In particular, we derive the conservative and dissipative components of the force associated with the oscillating vertical motion of a sphere close to the poroelastic substrate. Our results may be relevant for dynamic surface force apparatus and contactless colloidal-probe atomic force microscopy experiments on soft, living and/or fragile materials, such as swollen hydrogels and biological membranes.
dc.description.sponsorshipConfinement des Polymères en Solution : Recherches Optiques Avancées Sous Confinement Extrême
dc.description.sponsorshipMouvement brownien au voisinage d'interfaces molles - ANR-21-ERCC-0010
dc.description.sponsorshipCapteur Interférométrique de Contraintes de Surface - ANR-21-CE06-0029
dc.description.sponsorshipFrottements dans les systèmes complexes - ANR-21-CE06-0039
dc.language.isoen
dc.title.enMechanical response of a thick poroelastic gel in contactless colloidal-probe rheology
dc.typeArticle de revue
dc.identifier.doi10.1098/rspa.2022.0832
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Matière Molle [cond-mat.soft]
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]
dc.subject.halPhysique [physics]/Mécanique [physics]/Mécanique des fluides [physics.class-ph]
dc.subject.halPhysique [physics]/Mécanique [physics]/Mécanique des matériaux [physics.class-ph]
dc.subject.halPhysique [physics]/Mécanique [physics]/Mécanique des solides [physics.class-ph]
dc.subject.halPhysique [physics]/Physique [physics]/Dynamique des Fluides [physics.flu-dyn]
dc.identifier.arxiv2212.05821
dc.description.sponsorshipEuropeBrownian Motion near Soft Interfaces
bordeaux.journalProceedings of the Royal Society of London A Mathematical and Physical Sciences
bordeaux.page20220832
bordeaux.volume479
bordeaux.issue2271
bordeaux.peerReviewedoui
hal.identifierhal-03892664
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03892664v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Proceedings%20of%20the%20Royal%20Society%20of%20London%20A%20Mathematical%20and%20Physical%20Sciences&rft.date=2023&rft.volume=479&rft.issue=2271&rft.spage=20220832&rft.epage=20220832&rft.eissn=0080-4541&rft.issn=0080-4541&rft.au=KOPECZ-MULLER,%20Caroline&BERTIN,%20Vincent&RAPHA%C3%8BL,%20Elie&MCGRAW,%20Joshua&SALEZ,%20Thomas&rft.genre=article


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