Abstract:This paper develops an analytical 3D model of ultrasonic welding transducers. The presented model investigates the effects of the workpiece's stiffness and material properties on transducers' frequency response and mode shape. Longitudinal and lateral vibration is taken into account in the model. In order to analyze the forced vibration of the transducer, the effect of piezoelectric and excitation electrical fields are considered. The structural damping is considered as an imaginary Young's modulus. For valida… Show more
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