On Einstein's Effective Viscosity Formula
In his PhD thesis, Einstein derived an explicit first-order expansion for the effective viscosity of a Stokes fluid with a suspension of small rigid particles at low density. His formal derivation relied on two implicit assumptions: (i) there is a scale separation between the size of the particles a...
Salvato in:
| Autori principali: | , |
|---|---|
| Natura: | Livre numérique |
| Lingua: | Anglais |
| Pubblicazione: |
Berlin :
European Mathematical Society
2023.
Berlin : |
| Serie: | Memoirs of the European Mathematical Society
7 |
| Accesso online: | Accès sur la plateforme EMS Press Accès sur la plateforme ISTEX Accès Université d'Orléans Accès INSA CVL |
| Nota: |
European Mathematical Society (Licence nationale) European Mathematical Society (Licence nationale) |
| Autres localisations: | Voir dans le Sudoc |
| Edition sous un autre format: | • On Einstein's Effective Viscosity Formula, 978-3-98547-055-6 |
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| 100 | 1 | |a Duerinckx, Mitia, |d 1992- | |
| 245 | 1 | 0 | |a On Einstein's Effective Viscosity Formula |c Mitia Duerinckx, Antoine Gloria. |
| 260 | |a Berlin : |b European Mathematical Society. | ||
| 260 | |a Berlin : |b European Mathematical Society, |c 2023. | ||
| 490 | 0 | |a Memoirs of the European Mathematical Society |x 2747-9099 |v 7 | |
| 500 | |a European Mathematical Society (Licence nationale) | ||
| 500 | |a European Mathematical Society (Licence nationale) | ||
| 506 | |a Accès en ligne pour les établissements français bénéficiaires des licences nationales | ||
| 506 | |a Accès soumis à abonnement pour tout autre établissement | ||
| 506 | |a Conditions particulières de réutilisation pour les bénéficiaires des licences nationales. https://www.licencesnationales.fr/wp-content/uploads/2022/07/EMS_ebooks_LN_CollEx_contrat.pdf | ||
| 520 | |a In his PhD thesis, Einstein derived an explicit first-order expansion for the effective viscosity of a Stokes fluid with a suspension of small rigid particles at low density. His formal derivation relied on two implicit assumptions: (i) there is a scale separation between the size of the particles and the observation scale; and (ii) at first order, dilute particles do not interact with one another. In mathematical terms, the first assumption amounts to the validity of a homogenization result defining the effective viscosity tensor, which is now well understood. Next, the second assumption allowed Einstein to approximate this effective viscosity at low density by considering particles as being isolated. The rigorous justification is, in fact, quite subtle as the effective viscosity is a nonlinear nonlocal function of the ensemble of particles and as hydrodynamic interactions have borderline integrability. In the present memoir, we establish Einstein's effective viscosity formula in the most general setting. In addition, we pursue the low-density expansion to arbitrary order in form of a cluster expansion, where the summation of hydrodynamic interactions crucially requires suitable renormalizations. In particular, we justify a celebrated result by Batchelor and Green on the second-order correction and we explicitly describe all higher-order renormalizations for the first time. In some specific settings, we further address the summability of the whole cluster expansion. Our approach relies on a combination of combinatorial arguments, variational analysis, elliptic regularity, probability theory, and diagrammatic integration methods. | ||
| 700 | 1 | |a Gloria, Antoine, |d 1979- |4 aut | |
| 776 | 0 | |t On Einstein's Effective Viscosity Formula |z 978-3-98547-055-6 | |
| 856 | 4 | |u https://doi.org/10.4171/mems/7 |z Accès sur la plateforme EMS Press | |
| 856 | 4 | |u https://revue-sommaire.istex.fr/ark:/67375/8Q1-8353W1KG-9 |z Accès sur la plateforme ISTEX | |
| 856 | 4 | |5 452349901:819157309 |u https://ezproxy.univ-orleans.fr/login?url=https://doi.org/10.4171/mems/7 |z Accès Université d'Orléans | |
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