工艺与制造英文2021
多孔介质中地震波传播的数值模拟
Numerical simulation of seismic waves in porous media components
M. Azeredo, V. Priimenko
摘要整理
本文提出了一种用于模拟孔隙弹性波传播的数学算法。研究表明，经典Biot方程可以在平层状三维多孔介质中转化为Ursin形式。基于该形式，推导了显式公式，为高效计算算法的开发奠定了基础。为验证算法的可靠性，分别采用孔隙弹性模型和等效弹性模型进行了数值模拟。结果表明该算法能够准确识别储层尺度（低频）和实验室尺度（高频）下的主要波事件。进一步分析了物理参数对慢波衰减和频散特性的影响规律。该研究为多孔介质中复杂波场的精确模拟提供了理论基础和计算工具，在油气勘探、地球物理反演等领域具有重要应用价值。
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