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Analytical study of wrinkling in thin-film-on-elastomer system with finite substrate thickness
  • ISSN号:0253-4827
  • 期刊名称:《应用数学和力学:英文版》
  • 时间:0
  • 分类:O343.3[理学—固体力学;理学—力学]
  • 作者机构:[1]School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China, [2]School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK 74078, U. S. A.
  • 相关基金:Project supported by the National Natural Science Foundation of China (Nos.l1572022 and 11172022)
中文摘要:

出现起皱,一部电影在一个预先拉紧的弹性体的底层罐头上结合了形式周期的起皱的模式,在每天的普通现象生活。在存在理论模型,这部电影比的薄得多底层以便底层罐头被认为与无限的厚度弹性体。在这份报纸,有限底层厚度的效果为免费边界状况理论上被分析盒子。基于最小的势能原则,一个理论模型被建立,并且起皱的波长和振幅模式被获得。当底层的厚度是时,超过 200 预定比这部电影的厚度大,这的结果学习同意很好,结果为无限的底层厚度从以前的模型获得了。为薄底层,然而,有限底层厚度的效果变得重要。精确地在这份报纸给的模型描述有限底层厚度的效果,提供为未来 thin-film-on-substrate 的重要设计指南系统象可拉长的电子设备那样。

英文摘要:

Surface wrinkling, a film bonded on a pre-strained elastomeric substrate can form periodic wrinkling patterns, is a common phenomenon in daily life. In existing theoretical models, the film is much thinner than the substrate so that the substrate can be considered to be elastomeric with infinite thickness. In this paper, the effect of finite substrate thickness is analyzed theoretically for free boundary condition cases. Based on the minimum potential energy principle, a theoretical model is established, and the wave length and amplitude of the wrinkling pattern are obtained. When the thickness of the substrate is more than 200 times larger than the thickness of the film, the results of this study agree well with the results obtained from the previous models for infinite substrate thickness. However, for thin substrates, the effect of finite substrate thickness becomes significant. The model given in this paper accurately describes the effect of finite substrate thickness, providing important design guidelines for future thin-film-on-substrate systems such as stretchable electronic devices.

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期刊信息
  • 《应用数学和力学:英文版》
  • 主管单位:交通部
  • 主办单位:上海大学
  • 主编:周哲玮
  • 地址:上海市宝山区上大路99号上海大学122信箱
  • 邮编:200444
  • 邮箱:amm@department.shu.edu.cn
  • 电话:021-66135219 66165601
  • 国际标准刊号:ISSN:0253-4827
  • 国内统一刊号:ISSN:31-1650/O1
  • 邮发代号:
  • 获奖情况:
  • 上海市优秀科技期刊一等奖,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国数学评论(网络版),波兰哥白尼索引,德国数学文摘,荷兰文摘与引文数据库,美国工程索引,美国科学引文索引(扩展库),英国科学文摘数据库,日本日本科学技术振兴机构数据库,美国应用力学评论
  • 被引量:541