Abstract
It is shown that, if an elastic material exhibits two stress-free configurations, it is dynamically unstable in a definite sense.
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Abeyaratne, R., Knowles, J.K. Elastic Materials with Two Stress-Free Configurations. Journal of Elasticity 67, 61–69 (2002). https://doi.org/10.1023/A:1022545224008
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DOI: https://doi.org/10.1023/A:1022545224008