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- 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。
- 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。
- By way of adopting elastic wave equation and finite difference approximation calculating method, the numerical simulation of VSP synthetic record is realized in the paper. 本文采用弹性波方程，通过有限差分近似计算，实现了VSP合成记录的数值模拟。
- The study puts forward the precision difference solution to elastic wave equation, using staggered mesh random even rank, and formula for tilted contact surface's refraction blind zones. 研究提出了弹性波方程交错网格任意偶数阶精度差分解法及倾斜界面地表折射盲区计算公式。
- The study puts forward the accurate difference method for elastic wave equation, using staggered mesh random even order, and formula for tilted contact surface's refraction blind zones. 在朋友帮助下,问题已解决!研究提出了弹性波方程交错网格任意偶数阶精度差分解法及倾斜界面地表折射盲区计算公式。
- second-order elastic wave equation 二阶波动方程
- 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。
- We introduce perfectly matched layer to attenuate the refection of the artificial boundary, and construct boundary and corner point conditions of elastic wave equations in isotropy media. 为了消除边界反射，引入最佳匹配层，构造了各向同性介质中弹性波方程在不同边界和角点处的边界条件。
- Weak reflection and weak conversion makethe elastic wave equations be applicable to the elastic-wave reverse time recursionimage problem where interbed reverberation must be suppressed thoroughly. 由于这些方程的弱反射、弱转换特性，使它们特别适用于需要压制层间混响的弹性波道时递推成像一类的工程。
- SIMULATION OF PML ABSORBING BOUNDARY CONDITION WITH SECOND-ORDER ELASTIC WAVE EQUATION IN ANISOTROPIC MEDIA 各向异性介质中二阶弹性波方程模拟PML吸收边界条件
- THE REVERSE-TIME MIGRATION OF ELASTIC WAVE EQUATION AND ITS IMAGING CONDITIONIN TRANSVERSE ISOTROPIC MEDIA 横向各向同性介质中的弹性波方程逆时偏移及其成像条件
- FINITE ELEMENT METHOD OF THE ELASTIC WAVE EQUATION AND WAVEFIELD SIMULATION IN TWO-PHASE ANISOTROPIC MEDIA 双相各向异性介质中弹性波方程的有限元解法及波场模拟
- INVERSION OF TWO-DIMENSIONAL ELASTIC WAVE EQUATION WITH TWO VARIABLES WITHIN BORN APPROXIMATION Born近似二维弹性波方程的双参数反演
- Keywords absorptive boundary condition;numerical modeling;elastic wave equation;grid;wave field; 吸收边界条件;数值模拟;弹性波方程;网格;波场;
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- elastic wave equation [计] 弹性波方程
- 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.
- The paper also gives the prospect of wave equation migration. 对波动方程偏移成像发展趋势进行展望.
- A new type of elastic rod wave equation, nonlinear hyperelastic rod wave equation, is researched. 摘要讨论了一类新型的弹性杆波动方程（即非线性超弹性杆波动方程）的行波解。
- Keywords: concrete, crack, defect, elastic waves, imaging. 关键词：混凝土、裂缝、缺陷、弹性波、影像法。
