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NON-LINEAR VIBRATIONS OF A DISCRETE-CONTINUOUS TORSIONAL SYSTEM WITH NON-LINEARITIES HAVING CHARACTERISTIC OF A SOFT TYPE

โœ Scribed by A. PIELORZ

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
171 KB
Volume
225
Category
Article
ISSN
0022-460X

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โœฆ Synopsis

In this paper a non-linear discrete-continuous model of a multi-mass system torsionally deformed with a local non-linearity is investigated. It is assumed that the characteristic of the local non-linearity is of a soft type. Four non-linear functions describing this characteristic are proposed. In the discussion, the approach utilizing the wave solution of the equations of motion is used, similarly as for the case of a hard characteristic in reference [1]. The numerical analysis focuses on the investigation of the e!ect of the local non-linearity with a soft characteristic for two-mass and three-mass torsional systems on amplitude}frequency curves in selected cross-sections of the considered systems.

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