Experimental slowing of flexural waves in dielectric elastomer films by voltage

被引：13

作者：

Ziser, Yotam ^{[1
]}

Shmuel, Gal ^{[1
]}

机构：

[1] Technion Israel Inst Technol, Fac Mech Engn, IL-32000 Haifa, Israel

来源：

MECHANICS RESEARCH COMMUNICATIONS | 2017年 / 85卷

基金：

以色列科学基金会;

关键词：

Dielectric elastomer film; Electroelasticity; Dynamics; Lamb wave; Flexural wave; Plate modes; Finite deformation; ACTUATORS; MEMBRANES; STRESS; MODES;

D O I：

10.1016/j.mechrescom.2017.08.005

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Shape and physical properties of dielectric elastomers are changeable by voltage. Theoretical works show that these changes can be harnessed to tune the propagation of superposed elastic waves. We experimentally demonstrate this concept by manipulating waves in a dielectric elastomer film, focusing on the flexural mode at low frequencies. To this end, we design an experimental apparatus to pre-stretch, actuate, excite waves at low frequencies in a VHB (TM) 4910 film, and measure the velocity of the fundamental flexural mode. Our results show that the excited wave velocity is slowed down by the applied voltage, and provide experimental proof of concept for the application of deformable dielectrics as tunable waveguides. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：64 / 68

页数：5

共 36 条

[11] Controlling Bandgap in Electroactive Polymer-Based Structures [J].

Gei, Massimiliano ;

Roccabianca, Sara ;

Bacca, Mattia .

IEEE-ASME TRANSACTIONS ON MECHATRONICS, 2011, 16 (01) :102-107

[12] Voltage-controlled complete stopbands in two-dimensional soft dielectrics [J].

Getz, Roey ;

Kochmann, Dennis M. ;

Shmuel, Gal .

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2017, 113 :24-36

[13] A survey on dielectric elastomer actuators for soft robots [J].

Gu, Guo-Ying ;

Zhu, Jian ;

Zhu, Li-Min ;

Zhu, Xiangyang .

BIOINSPIRATION & BIOMIMETICS, 2017, 12 (01)

[14] Dynamic performance of dielectric elastomers utilized as acoustic actuators [J].

Hochradel, K. ;

Rupitsch, S. J. ;

Sutor, A. ;

Lerch, R. ;

Vu, D. K. ;

Steinmann, P. .

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 2012, 107 (03) :531-538

[15] An electro-mechanically coupled model for the dynamic behavior of a dielectric electro-active polymer actuator [J].

Hodgins, M. ;

Rizzello, G. ;

Naso, D. ;

York, A. ;

Seelecke, S. .

SMART MATERIALS AND STRUCTURES, 2014, 23 (10)

[16] Band-gap tunable dielectric elastomer filter for low frequency noise [J].

Jia, Kun ;

Wang, Mian ;

Lu, Tongqing ;

Zhang, Jinhua ;

Wang, Tiejun .

SMART MATERIALS AND STRUCTURES, 2016, 25 (05)

[17] On waves in an elastic plate [J].

Lamb, H .

PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-CONTAINING PAPERS OF A MATHEMATICAL AND PHYSICAL CHARACTER, 1917, 93 (648) :114-128

[18] Experimental study on the dynamic response of in-plane deformation of dielectric elastomer under alternating electric load [J].

Liu, Lei ;

Chen, Hualing ;

Sheng, Junjie ;

Zhang, Junshi ;

Wang, Yongquan ;

Jia, Shuhai .

SMART MATERIALS AND STRUCTURES, 2014, 23 (02)

[19] Tubular dielectric elastomer actuator for active fluidic control [J].

McCoul, David ;

Pei, Qibing .

SMART MATERIALS AND STRUCTURES, 2015, 24 (10)

[20] Effect of uniaxial stress on the propagation of higher-order Lamb wave modes [J].

Mohabuth, Munawwar ;

Kotousov, Andrei ;

Ng, Ching-Tai .

INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS, 2016, 86 :104-111

← 1 2 3 4 →