A three-dimensional (3D) simulation of bioheat transfer is crucial to analyze the physiological processes and evaluate many therapeutic/diagnostic practices spanning from high to low temperature medicine. In this paper we develop an efficient numerical scheme for solving 3D transient bioheat transfer equations based on the alternating direction implicit finite-difference method (ADI-FDM). An algorithm is proposed to deal with the boundary condition for irregular domain which could capture accurately the complex boundary and reduce considerably the staircase effects. Furthermore, the local adaptive mesh technology is introduced to improve the computational accuracy for irregular boundary and the domains with large temperature gradient. The detailed modification to ADI-FDM is given to accommodate such special grid structure, in particular. Combination of adaptive-mesh technology and ADI-FDM could significantly improve the computational accuracy and decrease the computational cost. Extensive results of numerical experiments demonstrate that the algorithm developed in the current work is very effective to predict the temperature distribution during hyperthermia and cryosurgery. This work may play an important role in developing a computational planning tool for hyperthermia and cryosurgery in the near future.
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Research-Article
An Effective Finite Difference Method for Simulation of Bioheat Transfer in Irregular Tissues
Zhi Zhu He,
Zhi Zhu He
1
e-mail: zzhe@mail.ipc.ac.cn
1Corresponding author.
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Xu Xue,
Xu Xue
e-mail: xuexu6666@yahoo.cn
Beijing Key Laboratory of Cryo-Biomedical
Engineering and Key Laboratory of Cryogenics,
Technical Institute of Physics and Chemistry,
Chinese Academy of Sciences,
Beijing 100190,
Beijing Key Laboratory of Cryo-Biomedical
Engineering and Key Laboratory of Cryogenics,
Technical Institute of Physics and Chemistry,
Chinese Academy of Sciences,
Beijing 100190,
China
Search for other works by this author on:
Jing Liu
Jing Liu
Beijing Key Laboratory of Cryo-Biomedical Engineering and Key Laboratory of Cryogenics,
Technical Institute of Physics and Chemistry Chinese Academy of Sciences,
Beijing 100190,
Department of Biomedical Engineering,
School of Medicine,
Beijing 100084,
Technical Institute of Physics and Chemistry Chinese Academy of Sciences,
Beijing 100190,
China
;Department of Biomedical Engineering,
School of Medicine,
Tsinghua University
,Beijing 100084,
China
Search for other works by this author on:
Zhi Zhu He
e-mail: zzhe@mail.ipc.ac.cn
Xu Xue
e-mail: xuexu6666@yahoo.cn
Beijing Key Laboratory of Cryo-Biomedical
Engineering and Key Laboratory of Cryogenics,
Technical Institute of Physics and Chemistry,
Chinese Academy of Sciences,
Beijing 100190,
Beijing Key Laboratory of Cryo-Biomedical
Engineering and Key Laboratory of Cryogenics,
Technical Institute of Physics and Chemistry,
Chinese Academy of Sciences,
Beijing 100190,
China
Jing Liu
Beijing Key Laboratory of Cryo-Biomedical Engineering and Key Laboratory of Cryogenics,
Technical Institute of Physics and Chemistry Chinese Academy of Sciences,
Beijing 100190,
Department of Biomedical Engineering,
School of Medicine,
Beijing 100084,
Technical Institute of Physics and Chemistry Chinese Academy of Sciences,
Beijing 100190,
China
;Department of Biomedical Engineering,
School of Medicine,
Tsinghua University
,Beijing 100084,
China
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received December 9, 2011; final manuscript received March 11, 2013; published online June 21, 2013. Assoc. Editor: Franz-Josef Kahlen.
J. Heat Transfer. Jul 2013, 135(7): 071003 (8 pages)
Published Online: June 21, 2013
Article history
Received:
December 9, 2011
Revision Received:
March 11, 2013
Citation
Zhu He, Z., Xue, X., and Liu, J. (June 21, 2013). "An Effective Finite Difference Method for Simulation of Bioheat Transfer in Irregular Tissues." ASME. J. Heat Transfer. July 2013; 135(7): 071003. https://doi.org/10.1115/1.4024064
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