KFU. Card publication. A numerical investigation of fluid flows induced by the oscillations of thin plates and evaluation of the associated hydrodynamic forces

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A NUMERICAL INVESTIGATION OF FLUID FLOWS INDUCED BY THE OSCILLATIONS OF THIN PLATES AND EVALUATION OF THE ASSOCIATED HYDRODYNAMIC FORCES

Form of presentation

Articles in international journals and collections

Year of publication

2019

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Authors, employees of KFU

Egorov Andrey Gennadevich, author

Kamalutdinov Ayrat Marsovich, author

Nuriev Artem Nailevich, author

Bibliographic description in the original language

Nuriev Artem N., Kamalutdinov Airat M., Egorov Andrey G., A numerical investigation of fluid flows induced by the oscillations of thin plates and evaluation of the associated hydrodynamic forces//JOURNAL OF FLUID MECHANICS. - 2019. - Vol.874, Is.. - P.1057-1095.

Annotation

The paper is devoted to the problem of harmonic oscillations of thin plates in a viscous incompressible fluid. The two-dimensional flows caused by the plate oscillations and their hydrodynamic influence on the plates are studied. The fluid motion is described by the non-stationary Navier–Stokes equations, which are solved numerically on the basis of the finite volume method. The simulation is carried out for plates with different thicknesses and shapes of edges in a wide range of control parameters of the oscillatory process: dimensionless frequency and amplitude of oscillations. For the first time in the framework of one model all two-dimensional flow regimes, which were found earlier in experimental studies, are described. Two new flow regimes emerging along the stability boundaries of symmetric flow regimes are localized. The map of flow regimes in the frequency–amplitude plane is constructed. The analysis of the hydrodynamic influence of flows on the plates allow us to establish new effects associated with the influence of the shape of the plates on the drag and inertia forces. Due to these effects, the values of hydrodynamic forces can differ by 90 % at the same parameters of the oscillation. The lower and upper estimates of hydrodynamic forces obtained in the work have a good agreement with the experimental data presented in the literature.

Keywords

flow-structure interactions, vortex shedding, separated flows

The name of the journal

Journal of Fluid Mechanics

URL

https://www.cambridge.org/core/journals/journal-of-fluid-mechanics/article/numerical-investigation-of-fluid-flows-induced-by-the-oscillations-of-thin-plates-and-evaluation-of-the-associated-hydrodynamic-forces/D0F31CBA1782C32B74006FDF041DF731

Please use this ID to quote from or refer to the card

https://repository.kpfu.ru/eng/?p_id=211132&p_lang=2

Full metadata record

Field DC	Value	Language
dc.contributor.author	Egorov Andrey Gennadevich	ru_RU
dc.contributor.author	Kamalutdinov Ayrat Marsovich	ru_RU
dc.contributor.author	Nuriev Artem Nailevich	ru_RU
dc.date.accessioned	2019-01-01T00:00:00Z	ru_RU
dc.date.available	2019-01-01T00:00:00Z	ru_RU
dc.date.issued	2019	ru_RU
dc.identifier.citation	Nuriev Artem N., Kamalutdinov Airat M., Egorov Andrey G., A numerical investigation of fluid flows induced by the oscillations of thin plates and evaluation of the associated hydrodynamic forces//JOURNAL OF FLUID MECHANICS. - 2019. - Vol.874, Is.. - P.1057-1095.	ru_RU
dc.identifier.uri	https://repository.kpfu.ru/eng/?p_id=211132&p_lang=2	ru_RU
dc.description.abstract	Journal of Fluid Mechanics	ru_RU
dc.description.abstract	The paper is devoted to the problem of harmonic oscillations of thin plates in a viscous incompressible fluid. The two-dimensional flows caused by the plate oscillations and their hydrodynamic influence on the plates are studied. The fluid motion is described by the non-stationary Navier–Stokes equations, which are solved numerically on the basis of the finite volume method. The simulation is carried out for plates with different thicknesses and shapes of edges in a wide range of control parameters of the oscillatory process: dimensionless frequency and amplitude of oscillations. For the first time in the framework of one model all two-dimensional flow regimes, which were found earlier in experimental studies, are described. Two new flow regimes emerging along the stability boundaries of symmetric flow regimes are localized. The map of flow regimes in the frequency–amplitude plane is constructed. The analysis of the hydrodynamic influence of flows on the plates allow us to establish new effects associated with the influence of the shape of the plates on the drag and inertia forces. Due to these effects, the values of hydrodynamic forces can differ by 90 % at the same parameters of the oscillation. The lower and upper estimates of hydrodynamic forces obtained in the work have a good agreement with the experimental data presented in the literature.	ru_RU
dc.language.iso	ru	ru_RU
dc.subject	flow-structure interactions	ru_RU
dc.subject	vortex shedding	ru_RU
dc.subject	separated flows	ru_RU
dc.title	A numerical investigation of fluid flows induced by the oscillations of thin plates and evaluation of the associated hydrodynamic forces	ru_RU
dc.type	Articles in international journals and collections	ru_RU