Vibration driven random walk in a Chladni experiment

被引：14
|
作者：
Grabec, Igor [1 ]
机构：
[1] Amanova Ltd, Kantetova Ul 75, SI-1000 Ljubljana, Slovenia
来源：
PHYSICS LETTERS A | 2017年 / 381卷 / 02期
关键词：
Chladni figure; Random walk; Stochastic processes;
D O I：
10.1016/j.physleta.2016.10.059
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Drifting of sand particles bouncing on a vibrating membrane of a Chladni experiment is characterized statistically. Records of trajectories reveal that bounces are circularly distributed and random. The mean length of their horizontal displacement is approximately proportional to the vibration amplitude above the critical level and amounts about one fourth of the corresponding bounce height. For the description of horizontal drifting of particles a model of vibration driven random walk is proposed that yields a good agreement between experimental and numerically simulated data. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：59 / 64
页数：6
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