Non-Fourier based thermal-mechanical tissue damage prediction for thermal ablation.
Prediction of tissue damage under thermal loads plays important role for thermal ablation planning. A new methodology is presented in this paper by combing non-Fourier bio-heat transfer, constitutive elastic mechanics as well as non-rigid motion of dynamics to predict and analyze thermal distribution, thermal-induced mechanical deformation and thermal-mechanical damage of soft tissues under thermal loads. Simulations and comparison analysis demonstrate that the proposed methodology based on the non-Fourier bio-heat transfer can account for the thermal-induced mechanical behaviors of soft tissues and predict tissue thermal damage more accurately than classical Fourier bio-heat transfer based model.
a School of Engineering , RMIT University , Bundoora , VIC , Australia.
Xin
X
Li
a School of Engineering , RMIT University , Bundoora , VIC , Australia.
Yongmin
Y
Zhong
b Department of Surgery , School of Clinical Sciences at Monash Health, Monash University , Clayton , VIC , Australia.
Julian
J
Smith
a School of Engineering , RMIT University , Bundoora , VIC , Australia.
Chengfan
C
Gu
D055011:Ablation Techniques / Q000379:methods*; D003198:Computer Simulation; D006358:Hot Temperature; D006801:Humans; D006979:Hyperthermia, Induced; D008962:Models, Theoretical; D009369:Neoplasms / Q000628:therapy
bio-heat transfer; non-Fourier; soft tissue; thermal damage; thermo-mechanical
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