Ninth MSU-UAB Conference on Differential Equations and Computational Simulations. Electron. J. Diff. Eqns., Conference 20 (2013), pp. 1-14.

Hydrodynamic modeling of ns-laser ablation

David Autrique, Vasilios Alexiades, Harihar Khanal

Abstract:
Laser ablation is a versatile and widespread technique, applied in an increasing number of medical, industrial and analytical applications. A hydrodynamic multiphase model describing nanosecond-laser ablation (ns-LA) is outlined. The model accounts for target heating and mass removal mechanisms as well as plume expansion and plasma formation. A copper target is placed in an ambient environment consisting of helium and irradiated by a nanosecond-laser pulse. The effect of variable laser settings on the ablation process is explored in 1-D numerical simulations.

Published October 31, 2013.
Math Subject Classifications: 92C45, 35K60, 65M99.
Key Words: Nanosecond laser ablation; hydrodynamic model; multiphase; plasma.

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David Autrique
Physics, Optimas Research Center - TU Kaiserslautern
67653 Kaiserslautern, Germany
email: dautriqu@physik.uni-kl.de
Vasilios Alexiades
Mathematics, University of Tennessee
Knoxville, TN 37996, USA
email: alexiades@utk.edu
Harihar Khanal
Mathematics, Embry-Riddle Aeronautical University
Daytona Beach, FL 32114, USA
email: Harihar.Khanal@erau.edu

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