Hard versus soft impacts in oscillatory systems modeling

被引：46

作者：

Blazejczyk-Okolewska, Barbara ^{[1
]}

Czolczynski, Krzysztof ^{[1
]}

Kapitaniak, T ^{[1
]}

机构：

[1] Tech Univ Lodz, Div Dynam, PL-90924 Lodz, Poland

来源：

COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION | 2010年 / 15卷 / 05期

关键词：

Modeling of collisions; Hard impacts; Soft impacts; Cantilever beam; Periodic motion; Co-existing attractors; PIECEWISE-LINEAR-OSCILLATOR; MECHANICAL SYSTEM; GRAZING-INCIDENCE; BIFURCATIONS; DYNAMICS; CONSTRAINT; MOTION;

D O I：

10.1016/j.cnsns.2009.05.046

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The applicability of the soft and hard impact models in modeling of vibro-impact systems is discussed in the paper. We derive the conditions which allow the same rate of energy dissipation in dynamical systems which use both impact models. The advantages and disadvantages of both models in modeling are discussed. We show that in the case of the stiff base both methods give the same results but the elastic base application of the hard impact model leads to wrong results. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1358 / 1367

页数：10

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