Abstract
In order to avoid burns from ultrasonic radiation, it is important to accurately predict the temperature rise caused by the absorption of ultrasonic radiation in tissue. We describe a preliminary study on the simulation of the temperature rise distribution when the thermal diffusivity is changed. The sound pressure distribution is calculated by the finite difference time domain (FDTD) method, and the thermal conduction distribution in tissue is calculated by the heat conduction equation (HCE) method. Because the boundary condition affects the calculation results, the measured experimental temperature is used for calculations.
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