Title :
12F-4 Investigation of Efficient Ultrasonic Array Focusing in Attenuative Solids
Author :
Ganguli, A. ; Gao, R.X. ; Liang, K. ; Jundt, J.
Author_Institution :
Univ. of Massachusetts Amherst, Amherst
Abstract :
This paper presents a study on the performance of ultrasound focusing in attenuative media with phased arrays. An analytical model and a 2D finite element (FE) model developed on the ANSYS platform are presented. Simulation results demonstrate that in an attenuative medium, an optimum frequency range exists for the most efficient energy transfer from the source to the focal point. The determination of the optimum frequency range provides guidance for subsequent transducer design.
Keywords :
finite element analysis; ultrasonic absorption; ultrasonic transducer arrays; 2D finite element model; ANSYS platform; attenuative solids; energy transfer; optimum frequency range; transducer design; ultrasonic array focusing; Analytical models; Energy exchange; Focusing; Frequency; Iron; Phased arrays; Solids; Ultrasonic imaging; Ultrasonic transducer arrays; Ultrasonic transducers;
Conference_Titel :
Ultrasonics Symposium, 2007. IEEE
Conference_Location :
New York, NY
Print_ISBN :
978-1-4244-1384-3
Electronic_ISBN :
1051-0117
DOI :
10.1109/ULTSYM.2007.296
