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Abstract

Summary

We propose a new lowrank finite-difference method for elastic wave propagation in time domain. Firstly, based on elastic wavefield vector decomposition, we derive recursive integral time extrapolation operators for P-and S-wave, respectively. And we employ lowrank decomposition method to approximate these extrapolation operators. Then, we design the corresponding finite-difference scheme. Compared with conventional finite-difference method, the lowrank finite-difference method has higher accuracy and allows us to use large time-step in elastic wave simulation. Numerical experiments confirm that the proposed method can be an effective tool to simulate elastic waves.

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/content/papers/10.3997/2214-4609.201600813
2016-05-30
2024-04-25

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References

  1. Aki, K. and Richards, P. G.
    [2002] Quantitative seismology, University Science Books(2nd Edition).
     [Google Scholar]
  2. Du, X., Fowler, P. J. and Fletcher, R. P.
    [2014] Recursive integral time-extrapolation methods for waves; A comparative review. Geophysics, 79(1), T9–T26.
     [Google Scholar]
  3. Fomel, S., Ying, L. and Song, X.
    [2013] Seismic wave extrapolation using lowrank symbol approximation. Geophysical Prospecting, 61(3), 526–536.
     [Google Scholar]
  4. Pestana, R.C. and Stoffa, P. L.
    [2010] Time evolution of the wave equation using rapid expansion method. Geophysics, 75(4), T121–T131.
     [Google Scholar]
  5. Song, X., S. Fomel, S. and Ying, L.
    [2013] Lowrank finite-differences and low-rank Fourier finite-differences for seismic wave extrapolation. Geophysical Journal International, 193, 960–969.
     [Google Scholar]
  6. Tal-Ezer, Kosloff, H.D. and Koren, Z.
    [1987] An accurate scheme for seismic forward modeling. Geophysical Prospecting, 35(5), 479–490.
     [Google Scholar]
  7. Viriex, J.
    [1984] SH-wave propagation in heterogeneous media; Velocity-stress finite-difference method. Geophysics, 49(11), 1933–1942.
     [Google Scholar]
  8. Wu, W., Lines, L.R. and Lu, H.
    [1996] Analysis of high-order, finite-difference schemes in 3D reverse-time migration. Geophysics, 61(3), 845–856.
     [Google Scholar]
  9. Zhang, Q., and McMechan, G. A.
    [2010] 2D and 3D elastic wavefield vector decomposition in the wavenumber domain for VTI media. Geophysics, 75(3), D13–D26.
     [Google Scholar]
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Lowrank Finite-difference Method for Elastic Wave Propagation
Conference Proceedings 2016, 1 (2016); https://doi.org/10.3997/2214-4609.201600813
/content/papers/10.3997/2214-4609.201600813
/content/papers/10.3997/2214-4609.201600813
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