Long-time rotational motion of a rigid body immersed in a viscous fluid

B. Cichocki and B.U. Felderhof

Physica A: Statistical Mechanics and its Applications, 1995, vol. 213, issue 4, 465-473

Abstract: A rigid body, immersed in a viscous incompressible fluid, and set in motion by a small applied torque of short duration, comes to rest very slowly. The time-dependence may be calculated from the frequency-dependent friction matrix. At long times the rotational velocity decays as t−52 with a coefficient which depends on the shape of the body. The rotational velocity autocorrelation function of a Brownian particle has the same time-dependence.

Date: 1995
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:213:y:1995:i:4:p:465-473

DOI: 10.1016/0378-4371(94)00230-Q

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