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Proceedings Paper

Universal numerical solver for solid, liquid, and gas: application to laser-induced melting and evaporation
Author(s): Takashi Yabe
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Paper Abstract

We have succeeded for the first time to simulate dynamic phase transition from metal to vapor. This success is due to the CIP method that can treat solid, liquid and gas together and can trace a sharp interface with almost one grid. We report here the application to laser-induced evaporation for nanosecond and femtosecond lasers. In both cases, aluminum is evaporated well after the laser beam ended. In the nanosecond laser, evaporation occurs with a large angle to the target normal causing filamentary structure. In the femtosecond laser, evaporation front is formed and shows discontinuous solution that continues over a long time.

Paper Details

Date Published: 30 January 2001
PDF: 7 pages
Proc. SPIE 4157, Laser-Assisted Microtechnology 2000, (30 January 2001); doi: 10.1117/12.413739
Show Author Affiliations
Takashi Yabe, Tokyo Institute of Technology (Japan)

Published in SPIE Proceedings Vol. 4157:
Laser-Assisted Microtechnology 2000
Vadim P. Veiko, Editor(s)

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