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1 Journal of Applied Mathematics and Computational Mechanics

1 2021

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Mathematical modeling of short pulsed laser irradiation in the cornea: a dual phase lag model

Autar Ram, Kumar Anuj

Journal of Applied Mathematics and Computational Mechanics

2021

Vol. 20, nr 3

5--16

A simple mathematical model for the temperature evolution in the cornea exposed to short-pulsed Ho: YAG laser under Laser Thermo Keratoplasty (LTK) treatment is developed by incorporating both the heat flux phase-lag and temperature gradient phase-lag in Fourier’s heat transfer model. An analytical solution to the mathematical model is obtained using the Laplace transformation technique. The computational results for the temperature profile and the temperature variation with time are presented through the graphs. The effect of some typical parameters: the heat flux phase-lag and the temperature gradient phase-lag on the temperature distribution and temperature variations are illustrated and discussed.