1) effective dynamic parameter
有效动弹性参数
1.
It has put out the relationship of effective dynamic parameters of elasticity ( E ,ν , G ) and crack density parameters, according to the principle of energy balance, rock rupture mechanics and Castiglano’s theorem, by looking the cracked mass with random cracks as quasi-isotr.
将岩体中裂隙呈随机分布的裂隙岩体似为准各向同性裂隙岩体,根据能量平衡原理、岩石断裂力学理论和卡氏最小功能定理(Castiglano’stheorem),确定了准各向同性裂隙岩体的有效动弹性参数(E、ν、G)与裂隙密度参数(Xv)的数学关系。
2) the dynamical elasticity parameter
动弹性参数
1.
The speed of elasticity wave and the dynamical elasticity parameter is calculated by the experiment.
以川东北飞仙关组岩石(砂岩、灰岩)为实验试件,利用自行设计的声波测试装置,应用声波测试技术对川东北飞仙关组岩石的动力特性进行了室内试验研究,测出了岩石试件的弹性波速(纵波波速Vp、横波波速Vs),并获得该类岩组的一系列动弹性参数(动弹性摸量Ed、动泊松比υd、动剪切模量G、动体积模量K)。
4) equivalent elastic constants
等效弹性参数
1.
Then a homogenization finite element method (Homo FEM) is developed for the 2-D periodic structures and applied to the calculation of the equivalent elastic constants Es and?_(s) of a regular honeycomb structure with various relative densities.
同时,利用蜂窝结构的代表胞元模型,用常规的有限元方法（FEM）模拟计算出相应的等效弹性参数。
2.
A homogenization FEM is derived for the 2-D periodic structures and applied to the calculation of theequivalent elastic constants of a square honeycomb structure with various relative densities.
根据弹性均匀化理论,并结合有限元方法推导出适用于二维周期结构的均匀化有限元格式,计算出不同相对密度下的正方形孔洞材料的等效弹性参数以及等效弹性参数与胞元绕坐标系旋转一角度的函数关系,考察了胞壁固体相的力学性能参数对宏观力学性能的影响。
5) effective elastic constants
有效弹性常数
1.
A model fordetermining theeffective elastic constantsof stitched lamina is established,in which the effectsof stitching parameterson elastic constantsofstitched lamina areanalyzed by consid- ering the nonuniform distribution and in- plan waviness of fibers induced by stitching.
建立了缝纫单层板的有效弹性常数分析模型。
2.
The effective elastic constants of T700/QY8911 single ply plate of stitched lamina are calculated by the proposed model,and the comparison with unstitched model is also analyzed.
在此模型的基础上分析了T700/QY8911缝合单层板的有效弹性常数,并与未缝合模型进行了比较。
3.
A model of determining effective elastic constants of stitched laminate is established,in which the in-plane waviness of fibers induced by stitching is considered and assumption of sine(cosine) curve of the waviness is done.
建立了缝合单层板弹性常数分析模型,通过考虑缝线穿过纤维时产生的弯曲并假设近似正(余)弦曲线,计算T700/QY8911缝合单层板的有效弹性常数,并将其与未缝合模型比较,总结了各缝合参数(行距、针距、缝线半径)对有效弹性常数的影响,为分析缝合层合板弹性常数提供了依据。
6) effective elastic constant
有效弹性常数
1.
The finite element model based on multiple scale homogenization theory is built for studying on effective elastic constant of tube sheet.
根据多尺度均匀化理论建立了管板有效弹性常数研究的有限元计算模型 ,在弹性平面状态下 ,计算结果与ASME规范中采用的有效弹性常数进行了比较 ,其相对误差在 0 。
补充资料：连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条