弹性波

词组短语

elastic wave

与弹性波相关的网络例句 [注：此内容来源于网络，仅供参考]

In this paper, on the base of paraxial approximations, we present a set of absorbing boundary conditions of 3D elastic wave equations and apply to the 3D elastic wave numerical modeling in isotropic medium.

本文基於傍轴近似法提出了计算三维弹性波方程的吸收边界条件公式，表示了各边界面、边棱和角点处波场所满足的单程波方程，并在三维弹性波数值模拟中进行了应用。

The P-wave velocity-depth profile and electrical conductivity-depth profile can be calculated from the experimental data and the fundamental geothermal parameters in northern margin of the North China craton. The comparison of the calculated results with the elastic and electrical structure of this area reveals that the v of amphibolite is approximately equal to the middle crust, the electrical conductivity of amphibolite intersects the range of the middle and lower crust in this area.

利用实验获得的弹性波纵波速度及其温度系数和压力系数以及电导率与温度的关系，结合现今华北克拉通地热学的基本参数，计算得到斜长角闪岩的弹性波纵波速度－深度剖面和电导率-深度剖面，将二者分别与华北克拉通北缘深部地壳的弹性及电性结构进行对比的结果表明：高温高压下绿泥石化斜长角闪岩的弹性波纵波速度与该地区中地壳速度相当，电导率介于中、下地壳范围内。

This paper proposes an equivalent second order elastic wave equation to solve the problem of being unable to completely separate the coupled P and S wave by full elastic wave equation.

给出了一种等价的二阶弹性波动方程，以解决弹性波场中完全弹性波动方程不能完全分离耦合的纵、横波波场问题。

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。

The establishment and initiatory application of this new measurement method shows that it is feasible to study elastic velocities and equation of state of widely earth's interior materials in advance under high pressure and high temperature.

新的弹性波速测量方法的建立和初步的应用研究，表明在高温高压条件下进一步广泛地开展对地球深部物质的弹性波波速及状态方程的研究成为可能。

The propagation matrix method used widely in stratified media is extended to laterally inho-mogeneous media,and a numerical method known as generalized propagation matrix method for simulating elastic seismic wave propagation in inhomogeneous media is presented by using mixed variable elastic wave equation and matrix exponent solution of system of linear ordinary differential equations.

应用混合变量弹性动力学方程和线性常微分方程组的矩阵指数解法，将层状介质中广泛应用的弹性波传播矩阵解法推广至横向非均匀介质，给出了一种可计算复杂地质体中弹性波传播的广义传播矩阵数值解法。

In this paper, micro-rock mining in the breakdown of elastic waves generated by the information source, application of rock mass elastic wave and the related breakdown of the theory and technology, to explore unknown goaf water accumulation and nucleation process, found the exact elastic wave velocity than the VP / VS, the amplitude ratio VSH / VPH, spectral, waveform, and frequency of abnormal microseism.

本文以采动岩体微破裂产生的弹性波为信息源，应用弹性波与岩体破裂的相关理论与技术，探索地下采空区不明水体的蓄积和成核过程，发现存在确切的弹性波波速比VP/VS、振幅比VSH/VPH 、波谱、波形以及微震频度的异常。

Based on continuous conditions of general displacements and stresses at interfaces of adjacent layers and given boundary conditions, the reflection and transmission coefficients of elastic wave were obtained by virtue of partial wave method and propagator matrix method.

以多层纯弹性结构为研究对象，验证本文提出方法的正确性，然后对弹性波在多层电磁弹性结构中的反射与透射特性进行了计算和分析，并讨论入射角、入射波频率和电磁边界条件对这些系数的影响。

The results of 3-D numerical modeling of the transversely isotropic media with horizontal symmetry axis and the orthorhombic symmetry media showed that quasi P wave,quasi-SV wave and quasi-SH wave occurred during elastic wave propagation in 3-D anisotropic media. Meanwhile, the special phenomena such as the S wave splitting, the blind zone of S wave splitting and quasi-SV wave-front triplication were clearly observed. In addition, the elastic wave-fronts are spatially changed, and the coupled relations among the quasi-P wave,quasi-SV wave and quasiSH wave in 3-D anisotropic media are very complex.

对方位各向异性介质模型和正交各向异性介质模型中弹性波的传播进行的三维数值模拟结果表明，弹性波在三维各向异性介质中传播时存在拟P波、拟SV波和拟SH波，并出现横波分裂、横波分裂盲区、波面三分叉等特殊现象，另外，性波场在空间是变化的，其拟P波、拟SV波和拟SH波的耦合关系比较复杂。

Based on basic theory of elastic wave propagation, wave equation forpropagation of elastic wave in 2 dimension vertical inhomogeneous mediumof similar concrete cutoff wall model is developed. 2 dimension elastic sheetof concrete cutoff wall is established to research law and energy distributionrelations between propagation, attenuation, reflection and transmission ofelastic wave in concrete cutoff wall; Based on the concept of resolution, thecontent of vertical reflection method used to inspect concrete cutoff wallresolution is raised and factors will have influences on resolution are analyzed,expression of defective layer composite reflection factor and detectabledefective layer maximum thickness are developed; Relations between allsteps of sampling system of vertical reflection are build, the influence ofcentrum characteristics and receiving sensor on testing results are analyzed,therefore parameter requirements for testing instrument and parameter selection principle of collected parameters are raised.

2从弹性波传播的基本理论研究出发，推导了弹性波在类似混凝土防渗墙模型的二维垂向不均匀介质中传播的波动方程式；建立了混凝土防渗墙二维弹性薄板模型，研究弹性波在混凝土防渗墙中的传播、衰减、反射、透射规律及能量分配关系；从分辨率的概念出发，提出了垂直反射法检测混凝土防渗墙分辨率的内涵，对影响分辨率的因素进行了分析，推导出了缺陷层复合反射系数、可检测缺陷层极限厚度的表达式；建立了垂直反射法采样系统各环节之间的关系，研究分析了震源特性、接收传感器对测试结果的影响，提出了对测试仪器参数的要求及采集参数的选择原则。

与弹性波相关的网络解释 [注：此内容来源于网络，仅供参考]

acoustic emission：声发射

声发射(Acoustic Emission)技术是一种可用于评价材料或构件损伤的无损检测诊断技术. 所谓声发射,是指材料在外力或内力作用下,局部源快速释放能量而产生瞬态弹性波的一种现象. 材料所释放出的弹性波反映了材料破坏过程中的一些物理特性,

Lindsay Davenport：达文波特

正如"球后"达文波特(Lindsay Davenport)所认为:"我一直都使用VS Control 135/15L型号的BABOLAT网线;这是令人信服和用起来最放心的产品,总之好极了!"由於天然羊肠线,具有韧度高、弹性强、击球稳定、减震系数高、回覆弹性好、保持弹性时间长等合成线无法达到的卓越性能,

elastic heat wave：热弹性波

elastic hardness 弹性硬度 | elastic heat wave 热弹性波 | elastic hysteresis 弹性滞后

inelasticity coefficient：非弹性系数

inelastic wave 非弹性波 | inelasticity coefficient 非弹性系数 | ineligible acceptance 不合格的银行承兑汇票

Poisson's ratio：波松比

折合弹性模数与压子和薄膜的弹性模数及波松比(Poisson's ratio)的关系为其中Ef、νf分别为薄膜的弹性模数及波松比,Ei、νi分别为压子的弹性模数及波松比.

rarefaction waves：稀疏波

毫米波:millimeter waves | 稀疏波:rarefaction waves | 弹性波:elastic waves

Elastic strain tensor：弹性应变张量

Elastic stiffness constant 弹性劲度常数 | Elastic strain tensor 弹性应变张量 | Elastic wave 弹性波

viscoelastic wave equation：粘弹性波动方程

viscoelastic wave 粘弹性波 | viscoelastic wave equation 粘弹性波动方程 | viscoelastoplastic material 粘弹塑性材料

elastica：弹性线

elastic wave in bar 杆中弹性波 | elastica 弹性线 | elastically supported beam 弹性支承梁

Elastic Waves：弹性波

由於地球内有一种推动岩层的应力,当应力大於岩层所能承受的强度时,岩层会发生错动,而这种错动会在一瞬间突然释放巨大能量,并以弹性波(elastic waves)的形式向四周传播,此弹性波即为地震波(seismic waves).