16 March 2018 Modeling electroelastic nonlinearities in ultrasound acoustic energy transfer systems
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Abstract
Ultrasound acoustic energy transfer systems are receiving growing attention in the area of contactless energy transfer for its advantages over other approaches, such as inductive coupling method. To date, most research on this approach has been on modeling and proof-of-concept experiments in the linear regime where nonlinear effects associated with high excitation levels are not significant. We present an acoustic-electroelastic model of a piezoelectric receiver in water by considering its nonlinear constitutive relations. The theory is based on ideal spherical sound wave propagation in conjunction with the electroelastic distributed-parameter governing equations for the receiver’s vibration and the electrical circuit.
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Vamsi C. Meesala, Vamsi C. Meesala, Muhammad R. Hajj, Muhammad R. Hajj, Shima Shahab, Shima Shahab, } "Modeling electroelastic nonlinearities in ultrasound acoustic energy transfer systems", Proc. SPIE 10595, Active and Passive Smart Structures and Integrated Systems XII, 105951G (16 March 2018); doi: 10.1117/12.2300858; https://doi.org/10.1117/12.2300858
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