Finite element predictions of guided ultrasonic wave fields generated by piezoelectric transducers

2001 ◽  
Author(s):  
P. N. Marty
Keyword(s):  
Finite Element ◽  
Ultrasonic Wave ◽  
Piezoelectric Transducers ◽  
Wave Fields

Finite element simulation of ultrasonic standing wave fields inside cylindrical piezoelectric transducers

2019 ◽  
Vol 539 (1) ◽  
pp. 112-117
Author(s):  
S. A. Shcherbinin ◽  
I. A. Shvetsov ◽  
A. V. Nasedkin ◽  
N. A. Shvetsova ◽  
A. N. Rybyanets
Keyword(s):  
Finite Element ◽  
Finite Element Simulation ◽  
Standing Wave ◽  
Piezoelectric Transducers ◽  
Wave Fields ◽  
Element Simulation ◽  
Ultrasonic Standing Wave

3D Coupled Thermomechanical Finite Element Analysis of Ultrasonic Consolidation

2007 ◽  
Vol 539-543 ◽  
pp. 2651-2656 ◽  
Author(s):  
C.J. Huang ◽  
E. Ghassemieh
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Friction Coefficient ◽  
Stress Field ◽  
Ultrasonic Wave ◽  
Ultrasonic Vibration ◽  
Softening Effect ◽  
Element Analysis ◽  
Consolidation Process ◽  
Ultrasonic Consolidation

A 3-D coupled temperature-displacement finite element analysis is performed to study an ultrasonic consolidation process. Results show that ultrasonic wave is effective in causing deformation in aluminum foils. Ultrasonic vibration leads to an oscillating stress field. The oscillation of stress in substrate lags behind the ultrasonic vibration by about 0.1 cycle of ultrasonic wave. The upper foil, which is in contact with the substrate, has the most severe deformation. The substrate undergoes little deformation. Apparent material softening by ultrasonic wave, which is of great concern for decades, is successfully simulated. The higher the friction coefficient, the more obvious the apparent material softening effect.

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