粘弹性介质中跨孔波场的交错网格有限差分法正演模拟
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Release time:2020-08-09
DOI number:10.3969/j.issn.1001-1749.2008.04.003
Affiliation of Author(s):中南大学地球科学与信息物理学院
Teaching and Research Group:中南大学应用地球物理系
Journal:物探化探计算技术
Place of Publication:中国
Funded by:2006BAC07B00-2
Key Words:地震波场; 交错网格; 有限差分法; 正演模拟
Abstract:井间地震正演模拟技术是研究地震波在井间传播规律的重要手段之一,可以帮助认识井间地震的复杂波场.从二维井问地震波传播波动方程出发,结合初始,边界条件,推导出了交错网格任意偶阶精度差分格式,阐述了非均匀差分网格的实现方法.在此基础上,编制了跨孔波场交错网格有限差分正演程序,并应用该程序对半空间粘弹性跨孔模型进行了正演计算,得到了震源在不同位置时的波场快照及地震记录图.这对于跨孔模型波传播规律的研究,具有重要意义.
Co-author:冯德山
First Author:喻振华
Indexed by:Applied Research
Document Code:1001-1749(2008) 04-0273-05
Discipline:地质资源与地质工程
Document Type:J
Volume:30
Issue:4
Page Number:273~277
ISSN No.:1001-1749
Translation or Not:no
CN No.:51-1242/P
Date of Publication:2008-07-15
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