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Abstract
In this article we extend our previous research and study thermal deformation in a three-dimensional thin metal film exposed to ultrashort pulsed lasers based on a hyperbolic two-step model. A finite-difference scheme on a staggered grid is employed for solving the energy equations and the dynamic equations of motion. In particular, a fourth-order compact scheme is employed for evaluating the stress derivatives in the dynamic equations of motion. This method allows us to avoid nonphysical oscillations in the solution. Its performance is demonstrated by investigating thermal deformation in a gold thin film.
The authors thank the referees for their valuable suggestions.
