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双流不稳定性的数值研究 总被引:1,自引:1,他引:0
本文用一维半粒子云网格法作数值模拟,研究了双流系统的发展,得到了线性增长率,以及饱和、场能振荡、波与粒子相互作用和频率移动等非线性图象。 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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二维等离子体模拟粒子云网格方法的并行计算与性能分析 总被引:5,自引:0,他引:5
在共享和分布式存储两种并行计算环境下,组织了二维等离子体模拟粒子云网格法程序(2DCIC)的并行计算。首先,通过分析串行算法和2DCIC程序的单机执行特征,设计了并行算法和实现策略;然后,基于共享存储和消息传递现任中并行程序设计方式,在四种共享和颁式存储并行机上,组织了具体的并行计算,对性能结果进行了的比较分析,获得也若干重要的结论。 相似文献
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