查询词典 elastic

In this paper, based on an optimum difference operator for spatial differential given by Holberg, an optimum difference method of modeling crosswell elastic wavefield is put forward, which adopts the staggered-grid technique and calculates the wavefield at different grid points. When the half length of optimum difference operator is taken as four to six points, the required number of grid points per wavelength equals to three, crosshole elastic wavefield numerical modeling can attain satisfied accuracy.

本文以Holberg提出的一种空间微分的最佳差分算子为基础，采用交错网格技术，提出了一种模拟井间弹性波场的最佳差分法，该方法能在大空间网格点上得到精确的波场值，当最佳差分算子的半长度取4～6个点，每个波长只采3个样点时，井间弹性波场的模拟就可以得到满意的精度，其计算速度比常规有限差分法至少快一个数量级。

This paper studies the stress of gravity dam heel with careful numerical simulation, and analyses the effect of the variety of the elastic modulus of homogeneous or non-homogeneous foundations on the principal tensile stresses of gravity dam heel. The conclusions are as follows:① When the elastic modulus of homogeneous dam base and variated element in the critical place is changed with the same the fluctuation, the effect on the dam heel stresses caused by the latter is much more prominent than the former one.

本文通过精细网格模拟研究了重力坝坝踵应力情况，就均质坝基和非均质坝基弹模变化对坝踵主拉应力的影响，得出了如下结论：①均质坝基弹模与非均质坝基敏感区域的变异单元弹模变化相同的幅度，非均质情况引起的坝踵应力的变化远大于均质情况。

The classical elastic theory is precisely based on the Hooke's law, and issuitable to the depicting and describing of seismic wave propagation in the elasticmedia. But either from the experimental results of testing on the core, or from thepractical results of exploration and exploitation in the oilfield, the subsurface mediumshows more or less the non-elastic characteristics, namely viscoelastic behavior.

经典的弹性理论是建立在精确遵守虎克定律的基础之上的，弹性波动理论适用于对弹性介质中传播的地震波的刻画和描述，但是无论是对地下岩芯的实验室测试，还是油田的勘探开发实践，都已经证实地下介质或多或少地表现出非完全弹性，即粘弹性行为。

In vivo imaging of the nude mouse elastic cartilage beneath the hypodermis by THG microscopy keeps the high resolution and contrast in all three dimensions, which exhibits the superiority of intra-vital observations on elastic cartilage by THG microscopy.

利用三倍频显微术取得在活体裸鼠耳朵中的弹性软骨影像，深於皮下组织之下仍保持著三度空间上的高解析度和高对比度，这展现出三倍频显微术用於观察活体内弹性软骨的优越性。

Using the prevalent relation of no converse thermodynamics of elastic-plastic medium and the Baider free energy,the mechanical actions of elastic-glutinous-plastic hole medium are researched under the effect of impactive static water.

利用弹塑性介质的不可逆热力学的普遍的关系，采用德拜形式的自由能对弹粘塑性孔隙介质在冲击静水作用下的力学行为进行了研究。

In this method, the equivalent elastic and elastic-plastic response spectra are ensured considering of structural inelasticity, the explicit expression of response spectra including Newmark-Hall deformation reduction factors is achieved.

该方法首先考虑结构的非弹性反应确定等效弹性反应谱和弹塑性反应谱，并建立了使用Newmark-Hall变形折减系数的能力谱的明确表达式。

The analytic expressions for the displacement components and stresses at any point of an infinite micropolar orthotropic elastic medium with an overlying elastic half space as a result of moving inclined load of arbitrary orientation were obtained.

在无限大微极正交各向异性弹性介质上覆盖弹性介质的弹性半空间的任意点上，作用着任意方向倾斜的移动荷载，给出了位移分量和应力的解析表达式·假设倾斜荷载是法向荷载和切向荷载的线性组合·利用Fourier变换采用特征值方法，并利用数值技术反演了Fourier变换·给出了铝环氧树脂复合材料的数值结果图形

In order to investigate the coupling characteristics between elastic deflections and rigid motions of the blades, the moderate deflection beam model was adopted to treat elastic deflections and two methods were adopted to treat rigid motions based on infinitesimal rotation and finite rotation.

为了研究桨叶刚柔耦合特性，采用中等变形梁模型处理桨叶弹性变形，分别采用小转角和有限转角两种方法处理桨叶绕铰的刚性运动。

The results show that the calculated elastic properties are close to the experimental results. The high value of Poisson's ratio and low value of elastic anisotropy ratio imply that the interatomic force in ZrCr2 is weakly directional.

结果表明：计算得到的ZrCr2 Laves相的弹性性质与实验结果相近，其泊松比和弹性各向异性系数大小说明ZrCr2 中原子键合的方向性并不强烈； ZrCr2 Laves相的内禀和外禀层错能分别为112 mJ/m2和98 mJ/m2。

At first, the conventional elastic parameters inversion based on Shuey formula and simplified Shuey formula is discussed for the model of Chinese and Mexican, and the errors of inversion elastic parameters is analyzed.

对于不同地区、不同深度的含气和含水砂岩等各种模型其反演参数的误差情况不同，并且利用不同的入射角度对应的反射系数反演的误差也相差很大，许多情况反演的误差甚至非常大，没有一定的规律可循。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。