波传播

基于结构振动波传播理论，讨论了在简谐力作用下，裂纹简支梁的弯曲波动解。

Based on wave propagation theory , the wave solution of a simply supported beam with a crack is investigated .

三维爆轰波传播的LS方法研究

The LS method applied to three dimensional detonation wave propagation

二维地表局部不规则区域对P、SV波传播的影响

Effect of local surface and subsurface irregularities on the propagation of p , sv waves

微扰法研究薄膜负载对Lamb波传播的影响

Study to influence of thin layer loading on propagation of Lamb waves using perturbation method

三维介质中探地雷达（GPR）波传播逐段迭代射线追踪方法研究和应用

The 3-D Modeling by the Segment-by-Segment Iterative Ray-Tracing Method Study of GPR Wave

粘弹模量对金属基底-胶粘涂层结构中类Rayleigh波传播特性的影响

Study on effects of viscoelastic moduli on similar Rayleigh waves propagation in metal - adhesive coating structures

各向异性弹性层中SH波传播的边界元方法

Propagation of SH wave in anisotropic medium and the solution by boundary element method

有单面粘弹负载层时各向同性薄板中的SH波传播

The propagation of SH plate wave in an isotropic plate coated with one thin viscoelastic loading

在空间延展系统中，当增强外部光强时，作者观察到波传播的N∶N-1（N≥2）锁频现象。

We have observed N ∶ N-1 ( N ≥ 2 ) frequency-locking of propagating wave fronts when the light intensity is increased in a spatially extended system .

局部非均匀性介质中PSV波传播：混合公式及其应用

P SV-wave propagation in a medium with local heterogeneities : a hybrid formulation and its application

从电磁波传播方程出发，基于时域有限差分法（FDTD）进行离散求解，获得了适合含水量测试的同轴电缆电磁波反射（TDR）系统的FDTD方程。

For the applications of TDR system in measuring water content , FDTD equations were obtained based on the propagation equations of electromagnetic wave .

基于假设只有纯TEM波传播和零色散的情况下，通过保角变换得到了特性阻抗和有效介电常数的闭合形式的解析表达式。

Analytical closed form expressions for characteristic impedance and effective dielectric constant for the new line are obtained using conformal mapping method under the assumption of pure TEM propagation and zero dispersion .

使用一系列线性时变PDE方程对非线性的波传播方程进行迭代逼近。通过使用有限维系统对PDE进行近似，证明了迭代逼近法的收敛性。

As an example , we use a sequence of LTV PDEs to approximate the nonlinear wave equation and prove the convergence through finite approximations of PDE .

Godunov型的波传播方法被采用来离散求解所获得的控制方程。

Wave propagation scheme of Godunov-type is used to discretize and solve the non-conservation hyperbolic laws gotten .

基于Mindlin弹性厚板理论，采用Hamilton状态空间求解方法，研究了板条横向两侧为自由边界条件下的弹性波传播问题，给出了问题的分析解，以及各种振动模态和波传播模的存在性。

Appling Mindlin 's theory of thick plates and Hamilton formulism to propagation of elastic waves under free boundary condition , a solution of the problem was given .

考虑具有金属包层结构的一维非线性光子晶体，应用Maxwell经典电磁理论，建立了电磁波传播特性的理论分析模型，得到了其电磁场的全波解。

Considering one-dimensional nonlinear photonic crystal with metal cladding and using Maxwell 's classical electromagnetic theories , the theoretical analysis model of the electromagnetic wave propagations is founded to obtain the full-wave solutions of the electromagnetic fields .

本文将基于2D-FDTD（二维时域有限差分法方法）开展路面雷达电磁波传播的正演模拟研究。

So the research of forward simulation is done in this paper based on the 2D-FDTD method .

目的分析影响2型糖尿病（T2DM）患者踝肱指数（ABI）和脉搏波传播速度（PWV）的因素。

Objective To analyze the influential factors of ankle brachial index ( ABI ) and pulse wave velocity ( PWV ) in type 2 diabetic mellitus ( DM ) patients .

Biot理论将地下储层模拟为Biot介质，将储层参数与地震波传播有机的结合起来，更接近于地下的真实描述。

According to Biot theory , the underground reservoir is simulated as Biot media . The reservoir parameters are combined with the propagation of seismic wave to be further like the real description under ground .

根据Hamilton-Jacobi方程的Godunov差分格式，本文研究了非正交的贴体坐标系中非理想爆轰波传播方程的差分格式并提出了相应的数值方法。

According to the Hamilton-Jacobi formulation of the Godunov 's scheme , we study finite difference mothed for the propagation equation of non-ideal detonation in non-orthogonal body-fitted coordinate and present an algorithm .

另外，掘进巷道瓦斯爆轰波传播过程中，可以根据已知波前状态参数推导出能表征爆轰衰减规律的超压表达式，同时利用Hugoniot曲线对超压的衰减进行了描述。

The overpressure expression characterizing the gas detonation attenuation is inferred during detonation wave propagation in excavation roadway . Moreover , the overpressure attenuation is expressed in the Hugoniot curve of overpressure and specific volume .

采用二阶精度频散控制耗散格式（DCD）和8组分20个方程的基元反应模型，对轴对称变截面管道中氢氧爆轰波传播进行数值模拟。

Propagation of hydrogen-oxygen detonation wave in an abruptly expanding chamber and a gradually expanding chamber was simulated by solving the axisymmetrical Euler equations . The dispersion - control dissipation scheme ( DCD ) and a detailed chemical reaction kinetics model with 8 sections 20 reactions were adopted .

通过对正弦波在自由空间及多层介质空间中的传播的数值模拟，考察了MUSCL格式、网格密度、CFL数、以及网格形式对波传播的耗散和色散的影响，从而给出相应参数取值指导。

The study of impact of different MUSCL schemes , grid resolution , CFL numbers and grid forms on accuracy and dissipative and dispersive features is performed and the ranges of value for corresponding parameters are discussed and suggested based on the work done in this part .

杆系结构弹性波传播的实验研究

The experimental study on the elastic wave propagation of framed rods

地壳形变深井综合观测技术的新进展深电磁波传播测井仪

New Progress in Multi-component Observation of Crustal Deformation in Deep Boreholes

核爆炸条件下地冲击波传播的岩体阻尼研究

Study on Rock Damping in Case of Nuclear Explosive Wave Propagation

爆炸波传播的沟槽效应及分析

Damping Ditch Effect in Propagation of Blasting Seismic Wave and its Analysis

用传输函数构建的大气重力波传播理论模式

A theoretical model of gravity wave propagation based on the transfer function

岩石受力状态对弹性波传播速度的影响初探

Experiment on influence of stress states on elastic wave velocity

变截面铁氧体柱中电磁波传播的耦合波理论

The coupled-mode theory of wave propagation through ferrite rod with variable cross-section