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Numerical Modeling of Short-Pulse Laser Interactions with Multi-Layered Thin Metal Films

E. Majchrzak1, B. Mochnacki2, A. L. Greer3, J. S. Suchy4
Silesian University of Technology, 44-100 Gliwice, Konarskiego 18a, Poland. e-mail: (corresponding author)
Czestochowa University of Technology, Dabrowskiego 71, 42-200 Czestochowa, Poland
University of Cambridge, Penbroke Street, Cambridge, CB23QZ, UK
AGH University of Science and Technology, 30-059 Cracow, Poland

Computer Modeling in Engineering & Sciences 2009, 41(2), 131-146.


Multi-layered thin metal film subjected to a short-pulse laser heating is considered. Mathematical description of the process discussed bases on the equation in which there appear the relaxation time and the thermalization time (dual-phase-lag-model). In this study we develop a three level implicit finite difference scheme for numerical modelling of heat transfer in non-homogeneous metal film. At the interfaces an ideal contact between successive layers is assumed. At the stage of computations a solution of only one three-diagonal linear system corresponds to transition from time t to t + Δt. The mathematical model, numerical algorithm and examples of computations are presented in the paper.


microscale heat transfer, multi-layered metal films, laser pulse, numerical simulation

Cite This Article

Majchrzak, E., Mochnacki, B., Greer, A. L., Suchy, J. S. (2009). Numerical Modeling of Short-Pulse Laser Interactions with Multi-Layered Thin Metal Films. CMES-Computer Modeling in Engineering & Sciences, 41(2), 131–146.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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