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凝聚态物质状态方程的一个数值模型
引用本文:段耀勇,郭永辉,邱爱慈.凝聚态物质状态方程的一个数值模型[J].核聚变与等离子体物理,2011,31(2):97-104.
作者姓名:段耀勇  郭永辉  邱爱慈
作者单位:(??????????о????????? 710024)
基金项目:国家自然科学基金资助项目
摘    要:建立了凝聚态物质的一个三项式状态方程:以Faussurier平均原子模型为基础计算电子热压和电子热能;以Cowan模型为基础计算离子热压和离子热能;用基于实验数据的半经验拟合公式计算物质的冷压和冷能.用实验数据检验了用平均原子模型计算的平均电离度.将状态方程与Hugoniot关系式相结合,计算了Be和Al的冲击绝热曲线...

关 键 词:凝聚态物质  冲击波  状态方程

A numerical model for the equation of state for condensed matter
DUAN Yao-yong,GUO Yong-hui,QIU Ai-ci.A numerical model for the equation of state for condensed matter[J].Nuclear Fusion and Plasma Physics,2011,31(2):97-104.
Authors:DUAN Yao-yong  GUO Yong-hui  QIU Ai-ci
Institution:(Northwest Institute of Nuclear Technology, Xi’an 710024)
Abstract:A numerical model for the equation of state for condensed matter is developed in the form of three-term type: the electronic thermal pressure and thermal energy are computed by using Faussurier’s average atom model; the ionic thermal pressure and thermal energy are calculated using Cowan’s ion model; the cold pressure and cold internal energy come from a semi-empirical fitting formula based on experimental data. The average ionizations computed by the average atom model are compared with experimental data. The equation of state combined with Hugoniot relation is used to calculate the Hugoniot curves of beryllium and aluminum, in which the electron shell-structure effect is embodied obviously.
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