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1 Computer Assisted Mechanics and Engineering Sciences

1 2008

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Application of Trefftz method for temperature rise analysis on human skin exposed to radiation

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Kita E. , Hirayama Y.

tom Vol. 15, No. 1

45-52

This paper describes the application of the Trefftz method to the temperature rise in human skin exposed to radiation from a cellular phone. A governing equation is given as the Poisson equation. An inhomogeneous term of the equation is approximated with a polynomial function in Cartesian coordinates. The use of the approximated term transforms the original boundary-value problem to that governed with a homogeneous differential equation. The transformed problem can be solved by the traditional Trefftz formulation. Firstly, the present method is applied to a simple numerical example in order to confirm the formulation. The temperature rise in a skin exposed to radiation is considered as a second example.