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格子玻尔兹曼方法已被广泛应用于模拟流体,但主要应用于模拟不可压流体。应用二维正方格阵上的3速9点模型模拟激波的传播。考察了激波关系式、激波的宽度和结构。模拟结果与由Chapman-Enskog展开导出的流体方程的解相符。这说明格子玻尔兹曼方法能够模拟可压缩流体。 相似文献
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MECHANISM OF HOT ELECTRON GENERATION AND STIMULATED RAMAN SCATTERING IN LASER CAVITY TARGET PLASMA 下载免费PDF全文
Stimulated Raman Scattering (SRS) and X-ray spectrum emitted from many kinds of targets were experimentally investigated on the Nd:glass laser facility Shenguang-I in Shanghai, China. By theoretical analysis and computer simulation for these experiments, the result showed that the mechanism of hot electron generation in laser cavity target was mainly SRS, according to detailed comparison between the cavity target and the plane target. Other results, such as the energy fraction and temperatures of hot electron, energy and angular distribution and wave spectrum in SRS, were also presented in detail. 相似文献
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Theoretical and experimental studies of the angular distributions of scattered laser light in laser-Au-plate-target coupling are reported. A simple model that describes three-dimensional plasmas and scattered laser light is presented. The approximate shape of critical density surface has been given and the three-dimensional laser ray tracing is applied in the model. The theoretical results of the model are consistent with the experimental data for the scattered laser light in the polar angle range of 25o to 145o from the laser beam. 相似文献
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