1 May 1994 Finite element modeling of a finite piezoelectric sensor/actuator embedded in a fluid-loaded plate
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Abstract
The sensor response of a piezoelectric transducer embedded in a fluid loaded structure is modeled using a hybrid numerical approach. The structure is excited by an obliquely incident acoustic wave. Finite element modeling in the structure and fluid surrounding the transducer region is used and a plane wave representation is exploited to match the displacement field at the mathematical boundary. On this boundary, continuity of field derivatives is enforced by using a penalty factor. Numerical results are presented for the sensor response and it is found that the sensor at that location is not only non-intrusive but also sensitive to the characteristic of the structure.
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Jae-Wan Kim, Vasundara V. Varadan, Vijay K. Varadan, "Finite element modeling of a finite piezoelectric sensor/actuator embedded in a fluid-loaded plate", Proc. SPIE 2192, Smart Structures and Materials 1994: Mathematics and Control in Smart Structures, (1 May 1994); doi: 10.1117/12.174220; https://doi.org/10.1117/12.174220
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