| 裂缝排列方向及界面对波的共同作用 |
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| 引用本文： | 张光莹,曾新吾.裂缝排列方向及界面对波的共同作用[J].石油地球物理勘探,2003,38(2):168-172. |
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| 作者姓名： | 张光莹 曾新吾 |
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| 作者单位： | 国防科技大学理学院
(张光莹)，国防科技大学理学院(曾新吾) |
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| 基金项目： | 国家自然科学基金资助项目 ( 4 0 0 740 2 5 )，教育部优秀青年教师资助计划项目 |
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| 摘 要： | 本文用伪谱法模拟了弹性波在具有一个平直界面的介质——一部分是无裂缝岩石，另一部分是含有固定方向排列裂纹的这种岩石中的传播。主要就介质的各向异性界面及裂纹的排列方向对波的共同作用进行了模拟和分析。结果表明，裂纹的排列方向及界面的位置不同，界面对波的作用亦不同。
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| 关 键 词： | 裂缝排列方向 界面对波 伪谱法 排列裂纹 界面 各向异性 散射 地震勘探 |
Common action of aligned fracture and interface on elastic wave |
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| Zhang Guangying and Zeng Xinwu.,College of Science,National University of Defense Technology,Changsha City,Hunan Province,China.Common action of aligned fracture and interface on elastic wave[J].Oil Geophysical Prospecting,2003,38(2):168-172. |
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| Authors: | Zhang Guangying and Zeng Xinwu College of Science National University of Defense Technology Changsha City Hunan Province China |
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| Affiliation: | Zhang Guangying and Zeng Xinwu.,College of Science,National University of Defense Technology,Changsha City,Hunan Province,410073,China |
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| Abstract: | The paper simulated the propagation of elastic wave in a medium with horizontal interface by pseudo spectral method (PSM).The medium consists of two parts: one part is rock without fracture,the other part is rock with fracture aligned along fixed direction.The paper mainly simulated and analyzed the common action of heterogeneous interface of medium and aligned direction of fracture on elastic wave.The results showed that the different positional relations between aligned direction of fracture and interface have different effects of interface on elastic wave. |
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| Keywords: | pseudo spectral method aligned fracture interface anisotropy dispersion |
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