Numerical simulation of metal plates under laser irradiation based on fluid-solid coupling

zhang li; he jia; tan fuli

Volume 23 Issue 04

Apr. 2011

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wang zhao, gao shuang, liang jing, et al. Imagingvelocity interferometer system for any reflector for shock diagnostics[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

zhang li, he jia, tan fuli. Numerical simulation of metal plates under laser irradiation based on fluid-solid coupling[J]. High Power Laser and Particle Beams, 2011, 23.

wang zhao, gao shuang, liang jing, et al. Imagingvelocity interferometer system for any reflector for shock diagnostics[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

zhang li, he jia, tan fuli. Numerical simulation of metal plates under laser irradiation based on fluid-solid coupling[J]. High Power Laser and Particle Beams, 2011, 23.

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Numerical simulation of metal plates under laser irradiation based on fluid-solid coupling

1.
Institute of Fluid Physics,CAEP,P.O.Box 919-113,Mianyang 621900,China

Publish Date: 2011-04-14

Abstract

Abstract

The thermal field of metal plates in flows under laser irradiation has been computed. The flow was governed by the 3-D Reynolds averaged Navier-Stokes equations and the solid was governed by the energy equation. The k-ε turbulence model was used for turbulence simulation. Thus by using dynamic mesh model to simulate the flow’s “wash out” effect, the physical process of laser ablation was described commendably with fluid-solid coupling method. The results of thermal field and flow field show that the flow just cools the metal plates when the flow velocity and laser power are low. With the flow velocity and laser power getting higher, the flow’s “wash out” effect becomes more important for the thermal field of metal plates.
- thermal field,
- flow field,
- fluid-solid coupling,
- “wash out” effect,
- dynamic mesh

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