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ANALYSIS OF AN ENGINE-MOUNT SYSTEM WITH TIME-DEPENDENT MASS AND VELOCITY MATRICES

✍ Scribed by A. Muravyov; S.G. Hutton

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
279 KB
Volume
209
Category
Article
ISSN
0022-460X

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✦ Synopsis

In this paper a formulation of a dynamic model of a flexibly supported engine is presented, in which the contribution of rotating and reciprocating parts are taken into account with accuracy. This dynamic model contains a mass matrix and a velocity matrix as periodic functions of time. The derivation of these equations of motion on the basis of Lagrange's equations is presented.

Using the formulated dynamic model, an analysis of parametric resonance phenomena for engine-mount systems is conducted. Numerical examples demonstrate the possibility of dynamic instability in some cases.

As a particular case, flexibly supported rotor systems can be treated as well using the developed dynamic model.

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