期刊
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
卷 56, 期 -, 页码 34-42出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijnonlinmec.2013.05.002
关键词
Elastic metric; Distortions; Non-linear elasticity
类别
资金
- MIUR (the Italian Ministry of University and Research)
The mechanical behavior of soft matter is characterized by large shape changes, often accompanied by small changes of elastic energy; non-linear elasticity, with large, inhomogeneous, and anisotropic distortions, that may evolve in time, proved to be an effective modeling tool for many of such soft materials. Here, we deal with the definition of an appropriate strain measure, called the elastic metric, upon which the elastic energy density can be defined. Moreover, we discuss two key issues about distortions: one deals with the notion of compatible distortions, that is, distortion fields yielding a global configuration without any change of the elastic energy; the other concerns the symmetries of the material responses. We also present few selected examples of non-linear, anisotropic, elastic response where distortions play a key role. (C) 2013 Elsevier Ltd. All rights reserved.
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