Spectral-element simulations of global seismic wave propagation: II. Three-dimensional models, oceans, rotation and self-gravitation

By Dimitri Komatitsch, Jeroen Tromp. 2002

639 citations recorded by the source corpus.

Subfields: Geophysics, Ocean Engineering

View Paper: https://www.semanticscholar.org/paper/36e4481fd32e07a8b4e5550a3dbc28d9781952b6

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In Ocean Engineering

Citations in the corpus

Forward and adjoint simulations of seismic wave propagation on fully unstructured hexahedral meshes (2011, background): “D global- and regional-scale simulations (Komatitsch & Vilotte 1998; Paolucci et al. 1999; Chaljub 2000; Komatitsch & Tromp 2002a,b; Capdeville et al. 2003; Chaljub & Valette 2004; Fichtner et al. 2009a), as well as local-scale simulations in complex and/or densely populated regions, for example in…”
TX2019slab: A New P and S Tomography Model Incorporating Subducting Slabs (2019, methodology): “In our previous work, we used the open‐source package “SPECFEM3DGLOBAL” Spectral‐Element Method (SEM; Komatitsch & Tromp, 2002a, 2002b) to model the effect of the 3‐”
High-order finite-element seismic wave propagation modeling with MPI on a large GPU cluster (2010, background): “Komatitsch and Tromp [70] and De Basabe and Sen [22] find that choosing the degree n = 4 gives a good compromise between accuracy and time step duration.”
Simulation Methods for Guided Wave-Based Structural Health Monitoring: A Review (2015, background): “Komatitsch and co-workers first applied the SEM to problems concerning seismic wave propagation [124, 125, 128].”
Whole-mantle radially anisotropic shear velocity structure from spectral-element waveform tomography (2014, methodology): “Using the SEM comes with numerous advantages, particularly in global-scale modelling (Komatitsch & Tromp 2002a,b; Chaljub et al. 2003), for instance: (1) accurate simulation of wave propagation in complex anisotropic and anelastic media, including treatment of phenomena often ignored by approximate…”
Finite-frequency sensitivity kernels for global seismic wave propagation based upon adjoint methods (2008, methodology): “…both the forward and adjoint wavefields based upon the spectral-element method (SEM), which has been successfully applied to simulate wave propagation on both global and regional scales (e.g. Komatitsch & Vilotte 1998; Komatitsch & Tromp 1999, 2002a,b; Chaljub et al. 2003; Komatitsch et al. 2004).”
Seismic imaging: From classical to adjoint tomography (2012, background): “…from computational fluid dynamics (Patera, 1984) for both global (Capdeville et al., 2003; Chaljub and Valette, 2004; Fichtner et al., 2009a; Komatitsch and Tromp, 2002a,2002b) and regional (Komatitsch et al., 2004; Lee et al., 2008; Peter et al., 2011a; Pilz et al., 2011; Stupazzini, 2006)…”
Global adjoint tomography: first-generation model (2016, methodology): “All numerical simulations were performed in parallel with the spectral-element seismic wave propagation solver SPECFEM3D_GLOBE.”
Rotational motions induced by the M8.1 Tokachi‐oki earthquake, September 25, 2003 (2005, methodology): “Seismograms are calculated using the spectral-element method [Komatitsch and Tromp, 2002a, 2002b] that was extended to allow outputting the curl of the velocity-wave field.”
AxiSEM: broadband 3-D seismic wavefields in axisymmetric media (2014, background): “D models in spherical geometry can be incorporated by spherical finite differences (Igel et al., 2002), or spectralelement methods (Komatitsch and Tromp, 2002a; Chaljub et al., 2007).”
Inferring upper-mantle structure by full waveform tomography with the spectral element method (2011, methodology): “(ii) Minimizing forward-modelling errors by using the spectral element method (SEM; e.g. Komatitsch & Vilotte 1998), which is also capable of accurately representing the effects of the oceans, topography/bathymetry, ellipticity, gravity, rotation and anelasticity (Komatitsch & Tromp 2002).”