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Abstract Optimum distribution of the thermo seeds in a tumor is key to magnetic induction therapy planning. The core objective is to achieve the desired temperature distribution using the minimum number of thermo seeds. The optimum distribution of the thermo seeds is found using the simulated annealing (SA) algorithm combined with bio-heat production and transfer theory. This paper describes the calculational method to solve for the distribution of thermo seeds using the SA algorithm, including the design of the thermo seed distribution model, the bio-heat production and transfer model and the SA scheme. The algorithm is designed for the thermo seed distribution, initial temperature, stop condition, evaluation functions, acceptance probability and annealing strategy. The modeling and meshing of the tumor region, the modeling of the thermo seed implantation, the temperature distribution, and the iteration process are all introduced to show the feasibility of solving for the thermo seed distribution using the SA algorithm.
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| Keywords
magnetic induction therapy
simulated annealing algorithm
thermo seed
bio-heat transfer
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Issue Date: 15 February 2014
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2014,
Vol. 54
)
