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On the Velocity of a Small Rigid Body in a Viscous Incompressible Fluid in Dimension Two and Three
In this paper we study the evolution of a small rigid body in a viscous incompressible fluid, in particular we show that a small particle is not accelerated by the fluid in the limit when its size converges to zero under a lower bound on its mass. This result is based on a new a priori estimate on t...
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Published in: | Journal of dynamics and differential equations 2024-12, Vol.36 (4), p.3109-3124 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | In this paper we study the evolution of a small rigid body in a viscous incompressible fluid, in particular we show that a small particle is not accelerated by the fluid in the limit when its size converges to zero under a lower bound on its mass. This result is based on a new a priori estimate on the velocities of the centers of mass of rigid bodies that holds in the case when their masses are also allowed to decrease to zero. |
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ISSN: | 1040-7294 1572-9222 |
DOI: | 10.1007/s10884-023-10263-5 |