Temperature-dependent thermomechanical modeling of soft tissue deformation

Zhang, J, Hills, J, Zhong, Y, Shirinzadeh, B, Smith, J and Gu, C 2018, 'Temperature-dependent thermomechanical modeling of soft tissue deformation', Journal of Mechanics in Medicine and Biology, vol. 18, no. 6, pp. 1-13.


Document type: Journal Article
Collection: Journal Articles

Title Temperature-dependent thermomechanical modeling of soft tissue deformation
Author(s) Zhang, J
Hills, J
Zhong, Y
Shirinzadeh, B
Smith, J
Gu, C
Year 2018
Journal name Journal of Mechanics in Medicine and Biology
Volume number 18
Issue number 6
Start page 1
End page 13
Total pages 13
Publisher World Scientific Publishing Co. Pte. Ltd.
Abstract Modeling of thermomechanical behavior of soft tissues is vitally important for the development of surgical simulation of hyperthermia procedures. Currently, most literature considers only temperature-independent thermal parameters, such as the temperature-independent tissue specific heat capacity, thermal conductivity and stress-strain relationships for soft tissue thermomechanical modeling; however, these thermal parameters vary with temperatures as shown in the literature. This paper investigates the effect of temperature-dependent thermal parameters for soft tissue thermomechanical modeling. It establishes formulations for specific heat capacity, thermal conductivity and stress-strain relationships of soft tissues, all of which are temperature-dependent parameters. Simulations and comparison analyses are conducted, showing a different thermal-induced stress distribution of lower magnitudes when considering temperature-dependent thermal parameters of soft tissues.
Subject Automation and Control Engineering
Keyword(s) Pennes' bio-heat equation
soft tissue thermomechanical deformation
temperature-dependence
thermal ablation
Thermomechanical response
DOI - identifier 10.1142/S0219519418400213
Copyright notice © 2018 World Scientific Publishing Company
ISSN 0219-5194
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