Articles | Volume 8, issue 5
https://doi.org/10.5194/se-8-969-2017
https://doi.org/10.5194/se-8-969-2017
Method article
 | 
28 Sep 2017
Method article |  | 28 Sep 2017

Element-by-element parallel spectral-element methods for 3-D teleseismic wave modeling

Shaolin Liu, Dinghui Yang, Xingpeng Dong, Qiancheng Liu, and Yongchang Zheng

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Cited articles

Capdeville, Y., Chaljub, E., Vilotte, J., and Montagner, J.: Coupling the spectral element method with a modal solution for elastic wave propagation in global Earth models, Geophys. J. Int., 152, 34–67, 2003.
Chen, M., Niu, F., Liu, Q., Tromp, J., and Zheng, X.: Multiparameter adjoint tomography of the crust and upper mantle beneath East Asia: 1. Model construction and comparisons, J. Geophys. Res., 120, 22–39, 2015.
Clayton, R. and Engquist, B.: Absorbing boundary condition for acoustic and elastic wave equation, B. Seismol. Soc. Am., 67, 1529–1540, 1977.
Cohen, G.: High-order numerical methods for transient wave equations, Scientific Computation, Springer-Verlag, Berlin Heidelberg, 2002.
Collino, F. and Tsogka, C.: Application of the perfectly matched absorbing layer model to the linear elastodynamic problem in anisotropic heterogeneous media, Geophysics, 66, 294–307, 2001.
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Short summary
Teleseismic wave adjoint tomography is able to image the deep structure of the lithosphere. Here we proposed the element-by-element spectral-element method (EBE-SEM) for efficient teleseismic wave modeling. A detailed discussion of the teleseismic seismic incident boundary condition and PML absorbing boundary condition for the scattered waves are presented. Beside the high efficiency of EBE-SEM for the forward modeling of teleseismic waves, it is able to easily construct misfit kernels.