Dynamics of a rigid body with an ellipsoidal cavity filled with viscous fluid

被引：11

作者：

Ramodanov, S. M. ^{[1
]}

Sidorenko, V. V. ^{[2
,3
]}

机构：

[1] Russian Acad Sci, Mech Engn Res Inst, Maly Kharitonievskiy Pereulok 4, Moscow 101990, Russia

[2] Russian Acad Sci, Keldysh Inst Appl Math, Miusskaya Sq 4, Moscow 125047, Russia

[3] Moscow Inst Phys & Technol, Inst Skiy S Str 9, Dolgoprudnyi 141700, Russia

来源：

INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS | 2017年 / 95卷

关键词：

Body with fluid-filled cavity; Reduced order model; Integral manifold; PRECESSION; LIQUID; MOTIONS; DRIVEN; FLOWS;

D O I：

10.1016/j.ijnonlinmec.2017.05.006

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

We revisit the approach proposed by F.L. Chernousko to modeling the dynamics of a rigid body with a cavity entirely filled with a highly viscous fluid. Within the approach, a finite-dimensional model of the body + fluid system is offered and the influence of the fluid is represented as a special torque acting upon the body with solidified fluid. Our aim is to develop further and expand a few technical aspects of the Chernousko model. In particular, we offer a coordinate-free form for some essential formulas and consider the case of constrained dynamics. To illustrate the results obtained we explore the motion of a physical pendulum with a fluid-filled cavity on a rotating platform. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：42 / 46

页数：5

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