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Simulation result of FDTD is the electromagnetic power deposition.

Soft source modeling for spiral antenna.

Perfect Match Layer (PML) as the Absorbing Boundary Condition (ABC).

z = -4cm Modeling Techniques FDTD Modeling Techniques The RF applicators located in water layers, 4cm away from the skin.

The layers from bottom to top are: water, skin, tumor, fat and muscle, illustrated by different colors. 2D illustration of the simulated modelĢD images of the human body. The FDTD model is 13cm by 13cm by 5cm and 23cm by 18cm. In the FDTD simulation, assume the human body is surrounded in water due to the RF applicator size and microwave power penetration. The RF applicator is illustrated in blue. Both are derived from patient's CT scans.

The above figures shows the 3D human model simulated in the FDTD programs. The waveguides used here are 10cm by 10cm and 10cm by 15cm rectangular waveguides working at 915MHz with the TE10 mode.