Application of enthalpy method for moving boundary problem in laser surface melting |
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| Authors: | Wang Huicai and Hong Youshi |
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| Affiliation: | (1) Laboratory for Nonlinear Mechanics of Continuous Media, Institute of Mechanics, Chinese Academy of Sciences, 100080 Beijing, China |
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| Abstract: | A numerical analysis was carried out to study the moving boundary problem in the physical process of pulsed Nd-YAG laser surface
melting prior to vaporization. The enthalpy method was applied to solve this two-phase axisymmetrical melting problem. Computational
results of temperature fields were obtained, which provide useful information to practical laser treatment processing. The
validity of enthalpy method in solving such problems is pressented.
Supported by the National Natural Science Foundation of China and the Chinese Academy of Sciences |
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| Keywords: | enthalpy method pulsed Nd-YAG laser Stefan problem temperature field latent heat of fusion |
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