Localization of elastic waves in periodic piezoelectric structures is studied.
针对压电周期结构中弹性波的局部化问题进行了研究。
We shall see that(7. 5. 25)is none other than the celebrated Snell's law applied to elastic waves.
我们很快就将看到，（7．5．25）恰恰就是应用弹性波上的有名的斯涅耳定律。
Steam zone or gas zone identification with elastic waves is the interest of the poroelasticity application.
利用声波（或地震波）进行地下蒸汽和含气识别是孔隙弹性波动理论研究的应用方向之一。
Scattering of elastic waves by an interface crack with adhesive contact near its tips is considered in this paper.
本文研究一类粘着型界面裂纹模型的弹性波散射问题。
The basic formula of pseudo spectral method are derived for simulating inhomogeneous anisotropic elastic waves field.
推导了用于非均匀各向异性弹性波场正演的伪谱法基本公式。
Finally, the problems of propagation of elastic waves in a porous, saturated elastic (or anelastic) medium are discussed.
文未对湿孔隙弹性介质及湿孔隙粘滞弹性介质中的弹性波传播问题作了讨论。
The properties of elastic waves excited from a two-dimensional (2d) point source propagation in 2d fractured rocks were in.
应用边界元法模拟了两种点源产生的弹性波在二维裂缝(岩石)中的传播特性。
Further investigation on the propagation of elastic waves along a fluid-filled borehole in slow formation is studied in the paper.
木文对低速地层裸眼井中弹性波的传播问题作了进一步研究。
Therefore, this paper, a new detection method - based on the theory of elastic waves to play France, carried out applied research.
因此，本文对一种新的检测方法——基于弹性波理论的打球法，进行了应用研究。
Based on the theory of magneto-elastic waves, a geomagnetic disturbance accompanying the propagation of seismic waves was studied.
本文应用磁弹性波理论，提出伴随地震波传播的同时，地磁场将产生一个扰动。
These different results from the elastic waves can be applied in seismic exploration, earthquake engineering and other related issues.
这些与弹性波不同的结果会在地震勘探、地震工程等有关问题的研究中得到应用。
Reflection and refraction of harmonic elastic waves at a unilateral frictional contact interface is studied theoretically in this paper.
研究简谐弹性波在一般各向异性介质单侧接触界面上的反射和折射问题。
As elastic waves propagate through disordered infinite linear periodic structures, localization phenomenon of elastic waves will appear.
弹性波在无限长直线型失谐周期结构中传播时，会出现弹性波局部化现象。
In this paper, the reflection and transmission of elastic waves by a layer with randomly distributed Penny-shaped cracks is investigated.
本文研究了具有随机分布币形裂纹的损伤层对弹性波的反射与透射。
Elastic waves from a point force in transversely isotropic, homogeneous media can be solved through the reflectivity-transmittivity matrix approach.
点力源在均匀横向各向同性介质中激发的弹性波可以用透射-反射矩阵法进行求解。
Straight linear defects have good performance in wave guidance; while branching linear defects can separate elastic waves with different frequencies.
直线型线缺陷有着良好的导波性能，分支型线缺陷可以实现弹性波的分离。
Based on the theory of elastic dynamics, the scattering of elastic waves and the dynamic stress concentration in a fiber-reinforced composite are studied.
基于弹性动力学理论，对纤维增强复合材料结构中弹性波散射及动应力集中问题进行了分析研究。
The periodic bar and beam structures are modeled as one-dimensional periodic wave-guides and the expression of transfer matrix of elastic waves is derived.
将周期杆梁结构看成一维周期波导，推导了结构中弹性波传递矩阵的表达式。
The corresponding theory and method were introduced. The physical process of ultrasonic lapping was studied on mechanics of elastic waves by elastodynamics.
利用声弹性理论，从声弹性机制的层面上，研究了轮齿超声研抛的机理；
The unknown mode coefficients of elastic waves are determined by means of the continuous conditions of displacement and stress on the boundary of the interfaces.
根据界面处位移与应力的连续条件，确定了未知弹性波模式系数。
It is showed by theoretical study and tests that existing fluid in porous medium and its movements are main reasons of dispersion and attenuation of elastic waves.
理论研究和实验表明，多孔隙介质中流体的存在及其运动是弹性波频散和衰减的主要原因。
The theory expresses the sound fields by a superposition of various surface elastic waves-circumferential waves and reveal the vibro-acoustic coupling mechanism in viewpoint of wave.
此理论将声场表示成各种表面弹性波-环绕波的再辐射的叠加，从波动的角度揭示声-振耦合机理。
Based on Biot's dynamic theory, the method of complex variable functions is used to solve the problem of scattering of elastic waves by circular cavity with lining in saturated soil.
运用复变函数法，在Biot波动理论的基础上，对饱和土中的圆形衬砌结构进行分析。
When elastic waves propagate in structures with obstacles such as cutouts, cracks or interfaces and so on, wave scattering and dynamic stress concentration can occur near these scatterers.
弹性波在含有孔洞、裂纹或界面等障碍物的结构中传播时，会在它们附近发生散射，导致散射体附近产生动应力集中。
In this paper we present the principle and technique for measuring velocity of elastic waves in the bedrock with deep holes, and the effective watertight and pressure-proof measures taken.
本文介绍了基岩深孔的弹性波测试原理和测试技术及深孔测试中所采取的有效防水防压措施。
It is pointed out that there is a close relation between the lateral variation of elastic waves velocities that propagate in the crust or upper mantle and the lateral regime in the same medium.
指出地壳和上地幔弹性波速的横向变化，与介质温度状态的横向差异存在密切关系。
In this paper, the plane and anti-plane problems of the diffraction of elastic waves by a cavity filled with another medium are discussed. The method calculation, of the wave field is given in detail.
本文讨论了填充介质腔为弹性波绕射的平面及反平面问题，详细地给出了波场的计算方法。
In this paper, the plane and anti-plane problems of the diffraction of elastic waves by a cavity filled with another medium are discussed. The method calculation, of the wave field is given in detail.
本文讨论了填充介质腔为弹性波绕射的平面及反平面问题，详细地给出了波场的计算方法。
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