Numerical Study of Magnetoacoustic Signal Generation with Magnetic Induction Based on Inhomogeneous Conductivity Anisotropy

Table 1

Numerical studies on MAT-MI.

	Time invariant magnetic field	Static magnetic field	Model		Sound source
			Conductivity	Structure
Xu and He 2005 [11]	H	H	H and Iso	A sphere	Analytical solution
Li et al. 2006 [18]; Li et al. 2007 [19]	H	H	Inh and Iso	A two-layer concentric sphere	Numerical solution based on magnetic vector potential and electrical scalar potential method
Brinker and Roth 2008 [20]	Inh	H	H and Ani	A uniform sheet of tissue	Analytical and numerical solutions based on magnetic vector and electrical scalar potential method
Li et al. 2009 [21]	Inh	H	Inh and Iso	Two-layer eccentric spheres; a circular coil	Numerical solution based on finite element method
Li and He 2010 [22]	Inh	H	Inh and Iso	2D conductive sample; coil group	Numerical solution based on finite element method
Li 2010 [23]	Inh	H	Inh and Iso	Human breast and tumors; a circular coil	Analytical solution for homogeneous medium and conductivity boundary; numerical solution based on finite element analysis
Zhou et al. 2011 [24]	Inh	H	Inh and Iso	Breast tumor model; a circular coil	Analytical and numerical solutions using finite element method

∗H denotes homogeneous; Inh denotes inhomogeneous; Iso denotes isotropic; Ani denotes anisotropic.