Journal
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
Volume 129, Issue 6, Pages 3449-3452Publisher
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.3583501
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- National Science Foundation [CMMI-0653883]
- Air Force Office of Scientific Research [FA9550-08-1-0241]
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This letter demonstrates that an eigenstrain is induced when a wave propagates through an elastic solid with quadratic nonlinearity. It is shown that this eigenstrain is intrinsic to the material, but the mean stress and the total mean strain are not. Instead, the mean stress and total means strain also depend on the boundary conditions, so care must be taken when using the static deformation to measure the acoustic nonlinearity parameter of a solid. (c) 2011 Acoustical Society of America. [DOI: 10.1121/1.3583501]
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