1JAMES F TRESSLER, WENWU CAO, KNJI UCHINO, et al. Finite element analysis of the cymbal-type flextensional transducer[J]. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 1998, 45(5) :1363-1369.
2SMITH R R, HUNT J T, BARACH D. Finite element analysis of acoustically radiating structures with application to sonar transducers[J]. JASA, 1973, 54(5):1227-1288.
3NAJIB N ABBOUD, GREGORY L WOJCIK, DAVID K VAUGHAN, et al. Finite element modeling for ultrasonic transducers[C]. Proc. SPIE Int. Symp. Medical Imaging, 1998.
