该文通过对带铝套管的分段弹侵彻半无限钢靶的研究分析，以流体动力学和侵彻力学为基础，提出了一个分段弹垂直侵彻半无限厚靶的简化模型。
In study of the penetration of a segmented rod with aluminum carrier tube into semi infinite steel target, we present a simplified model of based on hydrodynamics and penetrating mechanics.
该模型数学表达式具有半理论、半经验性质，能较好地反映弹塑性疲劳裂纹扩展的物理特征。
The mathematical expression of this model is half theoretical and half empirical in nature and can well represent the physical characteristics of EPFC growth.
应用有限棱柱单元法对群桩与土相互作用系统进行了三维弹塑性分析，并以无限棱柱元模拟半无限空间地基土的边界条件。
In this paper, the three dimensional elastoplastic analysis of a group pile soil interaction system is made by using the finite prism element method.
通过三维光弹实验测定了轴表面横向半椭圆裂纹的应力强度因子（SIF），并计算了与光弹轴裂纹几何及当地应力相对应的无限大体的SIF，从而求得SIF修正系数。
The SIF and its correction factor of the transverse surface semi-elliptic crack of a photoelastic axle are tested and studied with the method of three dimensional photo-elastics.
基于线性压电理论，研究了表面附有圆形电极板的半无限压电介质电极边缘的电弹场奇异分布特性。
Based on linear piezoelectricity, the singularly distributed stresses and electric displacement in the surface electrode border vicinity are investigated.
基于线性压电理论，研究了表面附有圆形电极板的半无限压电介质电极边缘的电弹场奇异分布特性。
Based on linear piezoelectricity, the singularly distributed stresses and electric displacement in the surface electrode border vicinity are investigated.
应用推荐