Articles | Volume 8, issue 5
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.
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.