CN112805598A - 拓展有限差分稳定性条件的波场模拟方法、设备及介质 - Google Patents

拓展有限差分稳定性条件的波场模拟方法、设备及介质 Download PDF

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CN112805598A
CN112805598A CN201980036883.2A CN201980036883A CN112805598A CN 112805598 A CN112805598 A CN 112805598A CN 201980036883 A CN201980036883 A CN 201980036883A CN 112805598 A CN112805598 A CN 112805598A
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wave field
dispersion
wave
wave number
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CN112805598B (zh
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高英杰
张金海
姚振兴
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Institute of Geology and Geophysics of CAS
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/32—Transforming one recording into another or one representation into another
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/282—Application of seismic models, synthetic seismograms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
    • G01V1/364—Seismic filtering
    • G01V1/368—Inverse filtering

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
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Abstract

一种拓展有限差分稳定性条件的波场模拟方法，包括：基于波场数值模拟模型，进行时间步长迭代，采用空间滤波的方法滤除出现在高波数区域的波场分量(S1)；所有时间步长迭代结束，保存时间迭代所得的波场数据(S2)；针对波场数据中需要输出的目的波场数据进行逆时间频散变换操作，得到消除时间频散的波场数据(S3)；存储逆时间频散变换处理之后的波场数据(S4)。还提供用于执行拓展有限差分稳定性条件的波场模拟方法的电子设备和计算机可读存储介质。

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PCT国内申请，说明书已公开。

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  1. PCT国内申请，权利要求书已公开。
CN201980036883.2A 2018-06-08 2019-06-06 拓展有限差分稳定性条件的波场模拟方法、设备及介质 Active CN112805598B (zh)

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CN2018105856187 2018-06-08
PCT/CN2019/090303 WO2019233475A1 (zh) 2018-06-08 2019-06-06 拓展有限差分稳定性条件的波场模拟方法、设备及介质

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CN111460593B (zh) * 2020-04-24 2023-03-31 安徽大学 一种空间域电磁分量确定方法及系统
CN115081267B (zh) * 2022-05-18 2023-08-29 内蒙古农业大学 基于优化的时空变步长有限差分地震波数值模拟方法
CN116719088B (zh) * 2023-05-30 2024-05-14 长安大学 一种航空瞬变电磁数据噪声压制方法

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US20150355356A1 (en) * 2014-06-09 2015-12-10 John E. Anderson Method for Temporal Dispersion Correction for Seismic Simulation, RTM and FWI
CN106547023A (zh) * 2017-01-16 2017-03-29 青岛海洋地质研究所 一种精度高、计算稳定的复杂介质地震波场延拓方法
US20170336522A1 (en) * 2014-12-31 2017-11-23 Landmark Graphics Corporation Seismic Elastic Wave Simulation For Tilted Transversely Isotropic Media Using Adaptive Lebedev Staggered Grid
CN107942375A (zh) * 2017-11-17 2018-04-20 河海大学 一种基于声波方程的非线性优化隐式时空域有限差分数值模拟方法
CN107976710A (zh) * 2017-11-17 2018-05-01 河海大学 一种基于声波方程的线性优化隐式时空域有限差分数值模拟方法
WO2019199173A1 (en) * 2018-04-11 2019-10-17 Equinor Energy As Methods and systems for finite-difference wave equation modelling

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JPWO2008032646A1 (ja) * 2006-09-12 2010-01-21 国立大学法人大阪大学 時間依存シュレディンガー方程式の数値シミュレーション装置

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US20150355356A1 (en) * 2014-06-09 2015-12-10 John E. Anderson Method for Temporal Dispersion Correction for Seismic Simulation, RTM and FWI
US20170336522A1 (en) * 2014-12-31 2017-11-23 Landmark Graphics Corporation Seismic Elastic Wave Simulation For Tilted Transversely Isotropic Media Using Adaptive Lebedev Staggered Grid
CN106547023A (zh) * 2017-01-16 2017-03-29 青岛海洋地质研究所 一种精度高、计算稳定的复杂介质地震波场延拓方法
CN107942375A (zh) * 2017-11-17 2018-04-20 河海大学 一种基于声波方程的非线性优化隐式时空域有限差分数值模拟方法
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