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- Elastic wave scattering of an interface cylindrical crack subjected 多环交界裂纹面在谐振应力波作用下的动应力强度因子
- A Successive Over-relaxation Numerical Technique for Elastic Wave Scattering 弹性波散射的逐次超松驰法
- Integral Equation in Transformed Field for Instantaneous Elastic Wave Scattering 瞬态弹性波散射的变换域积分方程法
- elastic wave scattering 弹性波散射
- The scattering problem of elastic wave by arbitrarily shaped cavities in an infinite anisotropic medium is investigated by the boundary intcgral equation (BIE) method. 本文借助于广义格林公式导出了用位移表示的各向异性介质中SH波入射时的边界积分方程.
- LU Jian-fei,WANG Jian-hua.The scattering of elastic waves by holes of arbitrary shapes in saturated soil[J].Acta Mechanica Sinica,2002,34(6):904-913. [8]陆建飞;王建华.;饱和土中的任意形状孔洞对弹性波的散射[J]
- Elastic wave inverse scattering perturbation theory 弹性波逆散射微扰论
- In this paper, based on the governing equation for flexural waves of orthotropic plates, deals with scattering of elastic wave by cutouts and dynamic stress concentrations in the thin plate. 采用各向异性平板弯曲波动理论及摄动方法,对正交各向异性平板开孔弯曲波的散射及动应力集中问题进行了分析研究,得到了此种平板稳态弯曲波动问题的渐近形式的分析解。
- The optical wave scattering from one-dimensional (1D) lossy dielectric Gaussian random rough surface is studied. 本文研究了一维有耗介质高斯随机粗糙面对光波的散射特性。
- 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。
- Keywords: concrete, crack, defect, elastic waves, imaging. 关键词:混凝土、裂缝、缺陷、弹性波、影像法。
- In order to ensure the accuracy and reliability of NDT,theories about acoustic wave scattering from rough surfaces were studied. 为保证超声无损评价检测的准确性和可靠性,本文研究了粗糙界面的声波散射理论。
- In this paper, using FEM method to numerical simulate the elastic wave equation. 本文采用有限元法进行弹性波方程数值模拟。
- A successive over-relaxation technique for solving the wave scattering problem in the inhomogeneous and isotropic medium is studied in this paper. 研究非均匀各向同性介质弹性波散射的逐次超松驰计算方法。
- In this study, we applied the reversibility of elastic wave to a discussion of the reverse time propagation of wave equation. 摘要本文应用波动方程式的可逆性讨论弹性波的逆时影像重建。
- The finite element method was used to calculate elastic wave propagation in the medium. 本文采用有限元素法计算弹性波在介质中的传播。
- The losses due to bulk wave scattering on non-synchronous area in SAW device was studied using boundary element method combined finite element method(FEM/BEM). 用有限元/边界元法(FEM/BEM)研究了表面波器件中非同步区域中体波散射引起的损耗。
- The computerized tomography(CT) of elastic wave is a forward problem in the geophysical domain for more than ten years. 弹性波计算机层析成像(CT)技术是十多年来地球物理领域里的一个前沿热门课题。
- Jiang Genshan,Tian Jing,Li Xiaodong.Theoretical analysis for sound wave scattering caused by parallel cylindrical tubes in boilers[J].Acta Acustica,2000,25(2):155-160(in Chinese). [2]姜根山;田静;李晓东.;锅炉换热器管束声散射的理论分析[J]
- Hardin B O, Richare F E. Elastic wave velocities in granular soils[J]. Divi. Proc. of ASCE, 1963,89[SM1]:3-65. 李新.;用超声波法测定三轴仪内非饱和砂土试件动剪切模量初探[A]