An acoustic wave equation for pure P wave in 2D TTI media

Ge Zhan; Reynam C. Pestana; Paul L. Stoffa

doi:10.1190/1.3627529

An acoustic wave equation for pure P wave in 2D TTI media

Ge Zhan, Reynam C. Pestana, Paul L. Stoffa

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

In this paper, a pure P wave equation for an acoustic 2D TTI media is derived. Compared with conventional TTI coupled equations, the resulting equation is unconditionally stable due to the complete isolation of the SV wave mode. To avoid numerical dispersion and produce high quality images, the rapid expansion method REM is employed for numerical implementation. Synthetic results validate the proposed equation and show that it is a stable algorithm for modeling and reverse time migration RTM in a TTI media for any anisotropic parameter values. © 2011 Society of Exploration Geophysicists.

Original language	English (US)
Pages (from-to)	168-173
Number of pages	6
Journal	SEG Technical Program Expanded Abstracts 2011
Volume	30
Issue number	1
DOIs	https://doi.org/10.1190/1.3627529
State	Published - May 25 2012

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Geophysics

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title = "An acoustic wave equation for pure P wave in 2D TTI media",

abstract = "In this paper, a pure P wave equation for an acoustic 2D TTI media is derived. Compared with conventional TTI coupled equations, the resulting equation is unconditionally stable due to the complete isolation of the SV wave mode. To avoid numerical dispersion and produce high quality images, the rapid expansion method REM is employed for numerical implementation. Synthetic results validate the proposed equation and show that it is a stable algorithm for modeling and reverse time migration RTM in a TTI media for any anisotropic parameter values. {\textcopyright} 2011 Society of Exploration Geophysicists.",

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AU - Pestana, Reynam C.

AU - Stoffa, Paul L.

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PY - 2012/5/25

Y1 - 2012/5/25

N2 - In this paper, a pure P wave equation for an acoustic 2D TTI media is derived. Compared with conventional TTI coupled equations, the resulting equation is unconditionally stable due to the complete isolation of the SV wave mode. To avoid numerical dispersion and produce high quality images, the rapid expansion method REM is employed for numerical implementation. Synthetic results validate the proposed equation and show that it is a stable algorithm for modeling and reverse time migration RTM in a TTI media for any anisotropic parameter values. © 2011 Society of Exploration Geophysicists.

AB - In this paper, a pure P wave equation for an acoustic 2D TTI media is derived. Compared with conventional TTI coupled equations, the resulting equation is unconditionally stable due to the complete isolation of the SV wave mode. To avoid numerical dispersion and produce high quality images, the rapid expansion method REM is employed for numerical implementation. Synthetic results validate the proposed equation and show that it is a stable algorithm for modeling and reverse time migration RTM in a TTI media for any anisotropic parameter values. © 2011 Society of Exploration Geophysicists.

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An acoustic wave equation for pure P wave in 2D TTI media

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