Estimation of surface heat flux and temperature distributions in a multilayer tissue based on the hyperbolic model of heat conduction

Haw Long Lee, Wen Lih Chen, Win Jin Chang, Yu Ching Yang

研究成果: Article同行評審

18 引文 斯高帕斯(Scopus)

摘要

In this study, an inverse algorithm based on the conjugate gradient method and the discrepancy principle is applied to solve the inverse hyperbolic heat conduction problem in estimating the unknown time-dependent surface heat flux in a skin tissue, which is stratified into epidermis, dermis, and subcutaneous layers, from the temperature measurements taken within the medium. Subsequently, the temperature distributions in the tissue can be calculated as well. The concept of finite heat propagation velocity is applied to the modeling of the bioheat transfer problem. The inverse solutions will be justified based on the numerical experiments in which two different heat flux distributions are to be determined. The temperature data obtained from the direct problem are used to simulate the temperature measurements. The influence of measurement errors on the precision of the estimated results is also investigated. Results show that an excellent estimation on the time-dependent surface heat flux can be obtained for the test cases considered in this study.

原文English
頁(從 - 到)1525-1534
頁數10
期刊Computer Methods in Biomechanics and Biomedical Engineering
18
發行號14
DOIs
出版狀態Published - 2015 十月 26

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biomedical Engineering
  • Human-Computer Interaction
  • Computer Science Applications

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