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<p>Biothermomechanics encompasses bioheat transfer, biomechanics, burn damage, and physiological aspects. Living skin tissue is one of the most important branches of biothermomechanics, as it has applications in clinical treatments. This paper addresses the thermoelastic responses of living biological skin tissues subjected to a magnetic shock from a continuous magnetic source without energy dissipation. The skin tissue studied is subjected to radiational and thermal heating from a short laser pulse in the context of generalized thermoelasticity with the Green–Naghdi (GN) model. Laplace transform and numerical inverse transform methods are employed to determine the variations in displacement, temperature increment, and stress tensor. The effects of the laser incident beam and thermal damage on the thermoelastic behaviors of living skin tissue were specifically discussed. The absorbed energy in the discussed skin tissue played a crucial role in determining the propagation speed of thermal waves in the framework of the GN model of thermoelasticity. The novelty of the present study summarized as it extends the GN thermoelastic framework to living skin tissue under combined magnetic and laser excitations, revealing how absorbed energy controls thermal wave propagation and damage. This dual-physics, clinically relevant modeling approach is a new contribution to biothermomechanics and biomedical engineering<b>.</b></p>

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Modeling of thermoelastic response of living skin tissue to magnetic shock and laser irradiation using the GN type II model

  • 期刊论文

  • 发表日期：

    2026年4月11日

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  • Rabab Alzahrani,
  • Murdhy A. Aldawsari,
  • Atef Ismail,
  • Mohamed I. M. Hilal

摘要

Biothermomechanics encompasses bioheat transfer, biomechanics, burn damage, and physiological aspects. Living skin tissue is one of the most important branches of biothermomechanics, as it has applications in clinical treatments. This paper addresses the thermoelastic responses of living biological skin tissues subjected to a magnetic shock from a continuous magnetic source without energy dissipation. The skin tissue studied is subjected to radiational and thermal heating from a short laser pulse in the context of generalized thermoelasticity with the Green–Naghdi (GN) model. Laplace transform and numerical inverse transform methods are employed to determine the variations in displacement, temperature increment, and stress tensor. The effects of the laser incident beam and thermal damage on the thermoelastic behaviors of living skin tissue were specifically discussed. The absorbed energy in the discussed skin tissue played a crucial role in determining the propagation speed of thermal waves in the framework of the GN model of thermoelasticity. The novelty of the present study summarized as it extends the GN thermoelastic framework to living skin tissue under combined magnetic and laser excitations, revealing how absorbed energy controls thermal wave propagation and damage. This dual-physics, clinically relevant modeling approach is a new contribution to biothermomechanics and biomedical engineering.