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We use SW4 3.0 ( Sjögreen and Petersson, 2012; Petersson and Sjögreen, 2012; Petersson and Sjögreen, 2017; Petersson and Sjögreen, 2015; Petersson and Sjögreen, 2023; Zhang et al., 2021) published under the GPL 2 license.
Acknowledgement
We thank the Computational Infrastructure for Geodynamics (http://geodynamics.org) which is funded by the National Science Foundation under awards EAR-0949446, 1550901 and 2149126.
Cite Code As
Petersson, N. Anders, Sjogreen, Bjorn, Tang, Houjun, & Pankajakshan, Ramesh. (2023, September 6). geodynamics/sw4: SW4, version 3.0 (Version v3.0). Zenodo. https://doi.org/10.5281/zenodo.8322590
Primary References
Sjögreen, B.; Petersson, N.A. (2012), A Fourth Order Accurate Finite Difference Scheme for the Elastic Wave Equation in Second Order Formulation, Journal of Scientific Computing, 52 (1) , 17-48, doi: 10.1007/s10915-011-9531-1, url: http://link.springer.com/10.1007/s10915-011-9531-1
Petersson, N.A.; Sjögreen, B. (2012), Stable and efficient modeling of anelastic attenuation in seismic wave propagation, Communications in Computational Physics, 12 (01) , 193-225
Petersson, N.A.; Sjögreen, B. (2023), User's guide to SW4, version 3.0, LLNL-SM-741439 (LLNL-SM-741439)
Petersson, N.A.; Sjögreen, B. (2015), Wave propagation in anisotropic elastic materials and curvilinear coordinates using a summation-by-parts finite difference method, Journal of Computational Physics, 299, 820-841, doi: 10.1016/j.jcp.2015.07.023, url: http://linkinghub.elsevier.com/retrieve/pii/S0021999115004684
Zhang, L.; Wang, S.; and Petersson, N.A. (2021), Elastic Wave Propagation in Curvilinear Coordinates with Mesh Refinement Interfaces by a Fourth Order Finite Difference Method, SIAM J. Sci. Comp. 43(2) pp. A1472-A1496. doi:10.1137/20M1339702
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