Abstract
This chapter introduces some advanced concepts of one-dimensional electromagnetic (EM) FDTD simulation. First, it changes the formulation slightly and introduces the use of the flux density into the simulation. One of the most significant developments in the FDTD method is a means to simulate frequency-dependent dielectric materials. Then, the chapter introduces the use of the discrete Fourier transform in FDTD simulation. This is an extremely powerful method to quantify the output of the simulation. The chapter concludes with the simulation of human muscle tissue. Muscle tissue can be adequately simulated over a frequency range of about two decades with the Lorentz formulation.
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