Numerical study on evolution of laserinduced shock wave

yang pengtao; hong yanji; huang hui; li qian

Volume 22 Issue 11

Sep. 2010

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Article Navigation > High Power Laser and Particle Beams > 2010 > 22(11): 0-

zhou cheng, gao yan-xia, wang pei-ji. Analysis of second-harmonic conversion efficiency by type Ⅰ phase matching in uniaxial crystals[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

yang pengtao, hong yanji, huang hui, et al. Numerical study on evolution of laserinduced shock wave[J]. High Power Laser and Particle Beams, 2010, 22.

zhou cheng, gao yan-xia, wang pei-ji. Analysis of second-harmonic conversion efficiency by type Ⅰ phase matching in uniaxial crystals[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

yang pengtao, hong yanji, huang hui, et al. Numerical study on evolution of laserinduced shock wave[J]. High Power Laser and Particle Beams, 2010, 22.

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Numerical study on evolution of laserinduced shock wave

1.
Department of Postgraduates,Academy of Equipment Command and Technology,Beijing 101416,China;
2.
Department of Basic Theories,Academy of Equipment Command and Technology,Beijing 101416,China

Publish Date: 2010-09-29

Abstract

Abstract

Shock wave merging happens when the waves have damped, for repetitively pulsed laser irradiation induced waves. The influence of laser duration on the wave evolution becomes important as the laser pulse interval is small. Thus the evolution of the shock waves was numerically studied with laser incident process being taken into account. Results show that the shock wave front is ellipsoidal at the beginning, and then becomes spherical gradually. The distance from the sphere center to the breakdown point decreases gradually to a constant value. Based on the application of laser shock wave merging, shock waveradius, shock wave length, and overpressure as functions of time and shock wave front radius were derived at the Mach number from 1 to 2．
- laser irradiation,
- shock wave,
- sphere shock wave front center,
- shock wave front radius,
- numerical calculation

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