摘要
本文综述了爆炸力学计算中涉及的实际介质的状态方程,这些物质结构复杂,其描述方法与金属的状态方程有些不同.用物理力学观点及半经验、半理论方法进行描述.①用普遍的热力学方法导出介质的状态方程表达式,并用实测数据计算了有关的参量;②Grneisen系数值的计算以及它与体积和温度的关系;③多孔介质的优态方程;④从理论上系统地导出了波后卸载方程;⑤探讨了原予统计模型的边界势.
The real equation of state of materials is different from that of metals in the computation of explosion mechanics,due to its complicated material construction. The paper places the emphasis on the description of the real equation of state of materials. In terms of the physical mechanics and the semi-empirical-semi-theoretical method the description can be made as follows: 1) The equation of state is derived from the usual thermodynamics method, and some parameters are calculated with the help of experiment. 2) Griineisen parameter and its relation with tempeiature and volume are determined. 3) The equation of state of porous meterials. 4) The release equation behind shock front is derived systematically from theory. 5) The boundary potential of the atomic statistical model is discussed.
出处
《力学进展》
EI
CSCD
北大核心
1991年第2期176-189,共14页
Advances in Mechanics
关键词
爆炸
冲击
状态方程
多孔介质
equation of state
porous materials
Gruneisen parameter
release equation
boundary potential of the atomic statistical model
