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A study of forward problem of magnetoacoustic tomography with magnetic induction

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4 Author(s)
Wenjing He ; Inst. of Electr. Eng., Chinese Acad. of Sci., Beijing, China ; Guoqiang Liu ; Yang Zhang ; Xiaoping Zeng

Magnetoacoustic tomography with magnetic induction (MAT-MI) is a recently introduced method for imaging electrical impedance properties, which integrates classic electrical impedance tomography and ultrasonic technique. In this paper, a new method is proposed to avoid the singularity of the divergence of Lorentz force on the interfaces between two kinds of medium. A two-dimensional model was used for computer simulation studies to evaluate the proposed theory. The sound source distribution and the characteristics of the radiated acoustic field were investigated under three types of stimulation. The numerical results were derived through finite element method, and theoretical analysis was also carried out, both of which confirm the validity of the proposed method.

Published in:

Engineering in Medicine and Biology Society (EMBC), 2010 Annual International Conference of the IEEE

Date of Conference:

Aug. 31 2010-Sept. 4 2010