用直接测试法确定材料的弹性常数。
The elastic constants of materials are determined by the direct measuring method.
提出了一种实用的声学法测量复合材料弹性常数的方法。
A test method of velocity measurement for elastic constants of composite material is proposed.
本文基于定向平均法计算了缝纫复合材料的宏观弹性常数。
The elastic constants of stitched composites were calculated based on orientation averaging method.
本文给出了几种测定冻结温度下光弹性材料弹性常数的方法。
Several measuring methods of elastic constants of photoelastic materials in frozen temperature are given out in this paper.
提出了一个新的物理参量“Y弹性常数”，并阐述了其物理含义。
New physical parameters "Y elastic constants" and their physical meanings are proposed at the first time.
另外，对直接用混合法则计算工程弹性常数的方法作了误差分析。
Moreover, it makes an error analysis of the method by which engineering elastic constants are directly calculated with the rule-of-mixtures.
裂纹数密度对随机裂纹介质的各个弹性常数具有不同程度的影响；
Numerical example indicates that the random distribution characteriztics can be different for different elastic constants under the same random distribution of crack number density.
介绍了用数字散斑相关方法（DSCM）测量岩石弹性常数的原理。
The principle for measuring rock elastic constants using digital speckle correlation method (DSCM) is introduced.
探针悬臂在垂直于样品表面方向上的弹性常数较小，针尖不易损坏。
Due to the small spring constant of the cantilever in direction perpendicular to the sample surface tip damage is reduced.
从而为识别混凝土坝体和岩石基础弹性常数提供了一条新的有效途径。
Therefore it provides a new effective way for discerning elastic parameters of concrete dam body and rocky foundation.
分析了复合材料面层的弹性常数、泡沫芯层的模量和夹层结构的刚度；
The elastic modulus of foam core and composite skins and the stiffness of sandwich are analyzed.
从而为识别混凝土坝体和岩石基础弹性常数提供了一条新的有效途径。
Consequently a new reliably approach to identify dynamic elastic modulus of dam concrete and that of rock basement.
同时，分步反演的方法可以较好地反演出原位地应力及三阶弹性常数。
The result also shows that the two-step method can give a better estimation of TOECs and in situ stress.
弹性常数的研究及其应用得出：动态参数对解决岩石力学问题更为有效。
From the study and application of elastic parameter, it is found that the dynamic factors put large effects on the solution of rock mechanics.
然后用高斯分布函数作为取向分布函数模拟了弹性常数随织构的变化情况。
Then, Gaussian distribution function was adopted as orientation distribution function to simulate the variety of the elastic constants with the texture.
用有限元法分析纸浆模塑包装结构，需要事先确定纸浆模塑材料的弹性常数。
It is necessary to determine the elastic constants of molded pulp material in advance for analyzing the packaging structure made of molded pulp by finite element method.
此解满足所有弹性力学基本方程，包含了全部弹性常数，可满足任意精度要求。
Every equation of elasticity can be satisfied and all the elastic constants are taken into account. Arbitrary precision of a desired order can be obtained.
基于三维均匀化方法并结合有限元技术，计算三维蜂窝夹层板的等效弹性常数。
Using the 3-D homogenization method and the finite element technique, we evaluate the effective elastic constants of the 3-D honeycomb sandwich panel.
和实验值对照，外推得到的高强玻璃纤维的弹性常数和工程常数是相当准确的。
The elastic moduli and the engineering constant of the fiber can be obtained from the elastic moduli of the composite by fitting the experimental date in Halpin-Tsai equation.
第二部分是对稀有气体晶体的体弹性常数和孤立单一密排面的弹性常数进行了计算。
The second part mainly has carried on the computation of the body elastic constants and the isolated single closed-packed plane of the rare-gas crystal.
进而分析了近表面层厚度的变化及不同的弹性常数分布对超声波模式和速度的影响。
The different wave modes have been distinguished and the phase velocities of these modes have been obtained.
五个待定参数用零温零压下晶体的总能、三个二阶弹性常数以及晶格常数的实验值确定。
Five undetermined parameters are determined by experimental data of the total energy, three second order elastic constants and the lattice constant of the crystal at o K and zero pressure.
在考虑裂纹受压闭合与滑动摩擦的基础上，给出了损伤张量、损伤应变及有效弹性常数。
Considering the crack-closing and friction between crack-surface under compression, the damage tensor, damage strain and effective elastic moduli are formulated.
合成了几种具有大介电各向异性和小弹性常数的线性多烯化合物，并对其物理性质进行了测定。
Several linear polyene compounds with extraordinarily large dielectric anisotropy and small elastic constant were synthesized and their physical properties evaluated.
文中还讨论了弹性常数取用值误差对位移反分析计算成果的影响和地下厂房稳定性研究等问题。
This paper also discusses the influence on the results of back analysis due to the error of fetched value of elasticity constant and the stability study of underground powerhouse.
基于刚度体平均方法，建立了相应的刚度预报模型，得到了三维四向编织复合材料的工程弹性常数。
The model to predict stiffness was then established based on the stiffness volume average method. The elasticity constants of the material were obtained.
在反复进行优化模拟后，对分子模型体系进行了静态力学性能的分析，得到了SU-8胶的力学弹性常数。
After repeated optimization simulation, a stable cell structure was obtained. The elastic constants of SU-8 photoresist were gained after analysis of the static elastic properties.
碾压混凝土由于采用逐层碾压的施工方法，致使所形成的大体积混凝土在竖向和水平向具有不同的弹性常数。
The Roller Compacted Concrete has different elastic constants in horizontal and ver-tical directions, because of layer by layer compaction in the construction.
在此基础上，分析了单层碳纳米弹簧的弹性常数与弹簧结构参数（如管直径、弹簧直径、簧圈节距等）间的关系；
Based on this, the interrelations between the elastic coefficient and the structural parameters of the nanospring, such as tube diameter, spring diameter and coil pitch, are carefully studied.
在此基础上，分析了单层碳纳米弹簧的弹性常数与弹簧结构参数（如管直径、弹簧直径、簧圈节距等）间的关系；
Based on this, the interrelations between the elastic coefficient and the structural parameters of the nanospring, such as tube diameter, spring diameter and coil pitch, are carefully studied.
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