Determining the Stress-Intensity Factors K_Ⅱ of Plane-Strained Cracks by the Method of Released-Caustics;
用解冻焦散线法测定平面应变裂纹的应力强度因子K_Ⅱ
The out of displacement of a symmetric cracked plate under bending is evaluated by measuring the caustics.
利用焦散线法研究含对称型裂纹平板表面离面位移，验证用级数形式表述平板裂纹尖端附近应力场、位移场的理论结
Static and dynamic fracture behaviors of functionally gradient materials (FGMs) with linear variation of the shear modulus are experimentally studied with caustics method and high speed photography technique,and numerically investigated through finite element method (FEM).
焦散线方法与高速摄影技术结合,对线性规律功能梯度材料的Ⅰ型静、动态断裂特性进行实验研究,并利用有限元软件进行数值模拟。
The local stress singularities for laminate composite material at concentrated loads are studied by the method of optical caustics.
本文利用焦散线理论和复合材料力学的弹性理论封闭解,对集中载荷作用下半无限正交复合材料板的奇异应力场进行了光力学可视化分析。
Experimental investigation on dynamic mechanical behaviors of cracks induced by V-notch borehole blasting with dynamic caustics
切槽孔爆破动态力学特征的动焦散线实验
It is an effective new method to make further analysis of crack propagation for blasting fracture with dynamic caustics.
应用爆炸加载的透射式动焦散线测试系统,分析了爆炸裂纹的扩展规律。
Based on the principle of elasto -plastic fracture mechanics and the caustics method,three experitnental methods for the measurement of COD are proposed and discussed.
根据焦散线法和弹塑性断裂力学原理，提出和分析了测量裂纹尖端ＣＯＤ的三种实验方法，对焦散线法和伪焦散线法联合测定ＣＯＤ的方法进行了深入的研究，并列举了该法的具体应用，从而改进了ＴｈｅｏｃａｒｉｓＰＳ提出的经典焦散线测量方法。
In this article, the caustics method and holo-photoelasticity method are used to investigate the distribution of contact forces inside a pack of discrete square cells submitted to a compressive load.
本文运用焦散线法和激光全息光弹法对受集中荷载作用的颗粒堆中力的分布进行了较为详细的实验研究,通过对实验数据的定量分析得知:与传统连续介质弹性理论所揭示的规律不同,堆积体内部力的传递与分布遵循抛物线型方程。
The 3-D contact stress in bolted joint parts and its contact coverage are investigated ex-perimentally with the photoelastic method and the newly developed caustics method.
所得实验结果为汽缸盖接触联结系统的设计、机械螺栓联结零件的有限元计算及其可靠性分析，提供了实验依据，并开拓了焦散线法实验的应用范围。
Based on the principle of the method of caustics,the calcuiating formulae for the factorof J-integral of linear elastic fracture mechanics and elasto-plastic fracture mechanics whenmeasured by the said method have been derived.
根据焦散线法的基本原理，推出了该法测量线弹性断裂力学和弹塑性断裂力学参数Ｊ积分的计算公式，并列举了有机玻璃材料和幂硬化金属材料的Ｊ积分测量和计算实例。
Study on the Applicability of Caustics to Rock Type Media
焦散线法对岩石类介质的适用性研究
Experimental investigation on dynamic mechanical behaviors of cracks induced by V-notch borehole blasting with dynamic caustics
切槽孔爆破动态力学特征的动焦散线实验
Attenuation, Scattering, Modeling water surface, Light shafts, Caustics.
衰减，散射，水面建模，光线束，焦散。
debunching force
分散[散焦, 散束]力
Suppression Effect of Self-defocusing Media on Hot Images from Obscurations in an Intense Laser Beam
自散焦介质对非线性热像的抑制效应
A caustic curve or surface.
焦散曲面，焦散表面
Notice that in all cases, the rays either diverge from or converge toward the foci.
注意在所有的情况下，光线不是从焦点发散就是会聚到焦点。
Determination of sulfur content in petroleum coke by energy-dispersive X-ray fluorescence spectrometry
能量色散X射线荧光分析法测定石油焦硫含量的研究
"Diverging lens causes the rays of a parallel beam of light to spread out and appear to come form a point, i.e. the rays diverge. It produces a virtual image at its principal focus. Such a lens is thinner at the center than at the edge"
散光镜使一束平行光线散开而形似出发于一点,在其主焦点上产生虚像, 这种透镜的心比边缘薄
defocus-dash mode
散焦－长划存储方式
automatic focus and stigmator
自动调焦和消象散装置
The act or result of causing a lens to deviate from accurate focus.
散焦，去焦使透镜偏离准确的焦点的行为或结果
focus-coil assembly
电磁聚焦组件;聚焦线圈系统;聚焦线圈系统
I tackle the perturbation problem of the nonlinear Schrodinger equation because of its importance.
本人首先用此方法处理了自散焦非线性薛定谔方程的孤子微扰问题。
Numerical Research on Induced Focusing of Optical Beams in Self-defocusing Media;
自散焦介质中光束诱导聚焦的数值研究
Performance Analysis of the Elliptic Beam Ring-focus Antenna with a Variable Focal Distance
椭圆波束变焦距环焦天线的性能分析
To cause(a beam or a lens) to deviate from accurate focus.
（使）散焦使（一束光或一个透镜）从准确的焦点上偏散开来
graticule =reticule,reticle
(观景片或对焦屏)标线
