| 1. | Hybrid method combining finite difference and pseudospectral method for solving the elastic wave equation
有限元法与伪谱法混合求解弹性波动方程 |
| 2. | The numerical modeling of 3 - d elastic wave equation using a high - order , staggered - grid , finite difference scheme
交错网格高阶差分法三维弹性波数值模拟 |
| 3. | 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
本文基于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。 |
| 4. | The main achievements are concluded in the following paragraphs . the elastic wave equations and the boundary conditions of saw in different media are studied , and the behaviors of saw in the isotropic , anisotropic and piezoelectric media are fully discussed
主要的研究工作总结如下：通过对不同介质中的弹性波方程和表面弹性波边界条件的研究，对各向同性、各向异性以及压电介质中的表面弹性波行为进行了详细的讨论。 |
| 5. | This conversion is based on the analytic expression of sonic and elastic wave equation , and use the different wave field extrapolation , which is initially used in seismic migration and forward modeling . this paper introduces the easy and efficient finite - difference method to realize the conversion by comparing three different methods
论文经过对三种常规波场延拓方法( kirchhoff积分法、频率波数域法和有限差分法)优缺点的比较，采用了简单易用的有限差分方法来实现这种转换。 |
| 6. | The amplitude characteristic equations of p wave and s wave in transverse isotropic media have been deduced by using the method of aki and richards , that is use the border conditions in elastic interface to solve the elastic wave equation and to decide the energy distribution of different types of wave
本文针对横向各向同性介质( ti - transverseisotropy ) ，利用aki和richards的方法，即根据弹性分界面上的边界条件求解弹性波动方程，确定各种波之间的能量分配关系，建立了横向各向同性介质中p波和sv波入射时的振幅特征方程。 |
| 7. | The seismic modeling algorithm includes in two key steps in which one is for calculating effective elastic parameters in a fractured and caved media by using elastic wave equation , the other is for wave extrapolating by using acoustic one - way wave equation based on an equivalent geology model consisting of those effective parameters
地震正演方法包含两个关键步骤，一是利用弹性波动方程计算含缝洞介质的有效弹性参数，另一步骤是根据有效弹性参数构成的等效地质模型，用单程声学波动方程进行波场延拓。 |
