| 双相各向同性介质弹性波高精度波场分离数值模拟方法 |
| |
| 引用本文： | 陈可洋.双相各向同性介质弹性波高精度波场分离数值模拟方法[J].内陆地震,2011,25(3):215-228. |
| |
| 作者姓名： | 陈可洋 |
| |
| 作者单位： | 中国石油大庆油田有限责任公司勘探开发研究院,黑龙江 大庆,163712 |
| |
| 摘 要： | 为了便于研究双相介质固流相混合弹性波场中纵横波波场的传播规律,提出了基于交错网格的Biot双相各向同性介质弹性波动方程高精度波场分离正演数值模拟方法.采用高阶交错网格有限差分法来构建一阶双曲型双相各向同性介质弹性波动方程正演算子实现波场正演,并在每一步递推过程中,分别计算出同相和流相分量相应的散度场(纯纵波场)和旋度场...
|
| 关 键 词： | Biot双相各向同性介质 纯快慢纵波 纯横波 波场分离 正演数值模拟 散度场和旋度场 固相和流相 |
HIGH-PRECISION WAVE FIELD SEPARATION NUMERICAL SIMULATION OF ELASTIC WAVE IN TWO-PHASE ISOTROPIC MEDIA |
| |
| CHEN Ke-yang.HIGH-PRECISION WAVE FIELD SEPARATION NUMERICAL SIMULATION OF ELASTIC WAVE IN TWO-PHASE ISOTROPIC MEDIA[J].Inland Earthquake,2011,25(3):215-228. |
| |
| Authors: | CHEN Ke-yang |
| |
| Institution: | CHEN Ke-yang (Exploration and Development Research Institute of Daqing Oilfield Company Limited of CNPC,Daqing,Heilongjiang province,163712) |
| |
| Abstract: | In order to study the propagation of the compress wave and shear wave in the hybrid wave field of the two-phase medium,the author puts forward high-precision wave field separation numerical simulation scheme on the isotropic Biot two-phase medium elastic wave equation based on the staggered-grid characteristic,and uses high-order staggered-grid finite-difference method to construct the wave field simulation operator with the first-order hyperbolic two-phase isotropic elastic wave equation,and calculates the... |
| |
| Keywords: | Biot two-phase isotropic medium Pure fast & low P wave Pure S wave Wave field separation Forward numerical simulation Divergence field and curl field Solid phase & fluid phase |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
