The expression for calculating dynamic stress concentration factor is presented.
给出了动应力集中系数的计算表达式。
The expressions for calculating the dynamic stress concentration factors are given.
给出了界面处动应力集中系数的表达式。
Scattering of flexural waves and dynamic stress concentration in plate are different from static stress problem.
弯曲波的散射及动应力集中不同于静力问题。
Minimizing the dynamic stress concentration around holes in strut subjected to impact loading was studied in the paper.
用动态光弹性法和有限元法研究了带有圆孔的平面直杆在冲击载荷作用下动态应力集中的优化问题。
Coefficients of dynamic stress concentration change with lining aperture, thickness of lining, wave number and type of lining.
介质和衬砌内动应力集中系数随孔径、衬砌厚度、波数变化而变化，且与衬砌性质有关。
Based on the theory of elastic dynamics, the scattering of elastic waves and the dynamic stress concentration in a fiber-reinforced composite are studied.
基于弹性动力学理论，对纤维增强复合材料结构中弹性波散射及动应力集中问题进行了分析研究。
Scattering of steady_state SH_waves and dynamic stress concentration are studied with circular holes in piezoelectric medium under incident antiplane shear wave loading.
利用复变函数和波函数展开法，对稳态SH波在含有圆形孔洞的无限弹性压电介质中的散射与动应力集中问题进行研究。
An analytic method is developed for the problem of scattering of SH-wave and dynamic stress concentration around a circular cavity near the interface of elastic half space.
建立了求解在含有圆形孔洞的弹性半空间中SH波散射与圆形孔洞附近动应力集中问题的解析方法。
Multiple wave scattering and dynamic stress concentration in structures with interfacial layers are analyzed and studied to give the analytical method for solving this problem.
对含界层结构中弹性波多重散射与动应力集中问题进行了分析研究，给出了求解该问题的分析方法。
The main research contents in this dissertation are as follows: Elastic wave scattering and dynamic stress concentration in circular cylindrical shells with a hole are studied.
本论文具体研究工作如下：研究了含孔柱壳结构中弹性波散射与动应力集中问题。
An analytical series solution for dynamic stress concentration of lined cavities in a half space under incident plane SV waves was given by using wave function expansion method.
采用波函数展开法给出了半空间中衬砌洞室群在平面SV波入射下动应力集中问题的一个级数解析解。
When elastic waves propagate in structures with obstacles such as cutouts, cracks or interfaces and so on, wave scattering and dynamic stress concentration can occur near these scatterers.
弹性波在含有孔洞、裂纹或界面等障碍物的结构中传播时，会在它们附近发生散射，导致散射体附近产生动应力集中。
The scattering problems and the dynamic stress concentration problems of SH-wave by double circle cavities, and circle lining in near field are investigated in this thesis by the method of FEM.
本文采用有限元法研究近场双圆形孔洞、圆环形衬砌对瞬态sh波的散射和动应力集中问题。
Based on the solution of the diffracted wave field the general formulas for calculating dynamic stress concentration factor for a cavity of arbitrary shape in multiply-connected region are given.
基于绕射波场的解，文中给出了任意形状空腔动应力集中系数的一般算式。
Scattering of flexural waves by multiple cutouts and dynamic stress concentration in the thin plates were investigated in terms of the complex variable function method and multi-polar coordinates.
采用复变函数法和多极坐标方法，研究了弯曲波对含有多圆孔薄板的散射问题。
Analytical results show that steel-line thickness has a significant effect on peak dynamic stress concentration of the pipe, The thinner steel liner, a higher level of dynamic stress concentration;
研究结果表明：管道内钢衬的厚度对管道的环向动应力集中峰值有很显著的影响，钢衬越薄，动应力集中程度越高；
Based on the dynamic analysis on the system, the cylinder strength is analysed with consideration of the stress concentration phenomenon induced by holes.
在动力学分析基础上，对圆筒的强度进行了分析，考虑了筒身存在孔洞而出现的应力集中现象。
The dynamic concentration phenomena of shear stress, accelerations and velocities are investigated for the area including Beichuan county town with topography surface.
研究了北川县城附近区域的剪应力、加速度以及速度场的动态集中现象。
The dynamic concentration phenomena of shear stress, accelerations and velocities are investigated for the area including Beichuan county town with topography surface.
研究了北川县城附近区域的剪应力、加速度以及速度场的动态集中现象。
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