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。
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。
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。
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 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。
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。
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。
In this paper, we theoretically and experimentally researched the standard equation of measurement technique of the concentration of protein in milk through laser scattering theory.
本论文从理论和实验上详细研究了利用激光散射原理快速测量牛乳蛋白质含量测定技术中的标准方程。
This paper presents a method of measuring the particle mean size and dust concentration by small angle near forward light scattering optics and the extinction theory.
本文综合前向小角光散理论及消光原理，提出一种测量粉尘平均粒径及粉尘浓度的光学方法。
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。
When the sample concentration is too high, the condition of irrelated single scattering would be breached and multiple scattering would occur and thereby leads to the lessening of measurement results.
浓度太高，破坏了不相关单散射的条件，从而会引起强烈的复散射，使测试结果偏小。
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。
Based on the theory of light scattering, a method is proposed to measure the concentration and size of particles in dispersed two-phase flow.
以光散射原理为基础测量弥散型两相流中颗粒相浓度及粒径大小的方法。
Through the theoretical analysis, a function relation between the back-scattering light intensity and flue-dust concentration under the condition of lower concentration is received.
通过理论分析得出在烟尘浓度较低的情况下散射光强与烟尘浓度函数关系。
The planar laser scattering was used to visualize the instantaneous flow while measuring total pressure and sampling the concentration of CO2 were used to obtain the time averaged results.
采用平面激光散射技术对其进行瞬态可视化成像，利用组分采样、测量总压进行时均分析。
The planar laser scattering was used to visualize the instantaneous flow while measuring total pressure and sampling the concentration of CO2 were used to obtain the time averaged results.
采用平面激光散射技术对其进行瞬态可视化成像，利用组分采样、测量总压进行时均分析。
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