A review of the spectral, pseudo‐spectral, finite‐difference and finite‐element modelling techniques for geophysical imaging
J Virieux, H Calandra, RÉ Plessix - Geophysical Prospecting, 2011 - earthdoc.org
Modelling methods are nowadays at the heart of any geophysical interpretation approach.
These are heavily relied upon by imaging techniques in elastodynamics and …
These are heavily relied upon by imaging techniques in elastodynamics and …
Non-conforming high order approximations of the elastodynamics equation
In this paper we formulate and analyze two non-conforming high order strategies for the
approximation of elastic wave problems in heterogeneous media, namely the Mortar …
approximation of elastic wave problems in heterogeneous media, namely the Mortar …
Stability of the high-order finite elements for acoustic or elastic wave propagation with high-order time stepping
JD De Basabe, MK Sen - Geophysical Journal International, 2010 - academic.oup.com
We investigate the stability of some high-order finite element methods, namely the spectral
element method and the interior-penalty discontinuous Galerkin method (IP-DGM), for …
element method and the interior-penalty discontinuous Galerkin method (IP-DGM), for …
Locally implicit discontinuous Galerkin method for time domain electromagnetics
In the recent years, there has been an increasing interest in discontinuous Galerkin time
domain (DGTD) methods for the solution of the unsteady Maxwell equations modeling …
domain (DGTD) methods for the solution of the unsteady Maxwell equations modeling …
[HTML][HTML] Explicit exactly energy-conserving methods for Hamiltonian systems
For Hamiltonian systems, simulation algorithms that exactly conserve numerical energy or
pseudo-energy have seen extensive investigation. Most available methods either require …
pseudo-energy have seen extensive investigation. Most available methods either require …
[图书][B] Finite element and discontinuous Galerkin methods for transient wave equations
G Cohen, S Pernet - 2017 - Springer
For a long time, wave equations in general and Maxwell's equations in particular were
solved in the time-harmonic domain 1 by finite element methods (FEM). Equations in time …
solved in the time-harmonic domain 1 by finite element methods (FEM). Equations in time …
Combination of the discontinuous Galerkin method with finite differences for simulation of seismic wave propagation
We present an algorithm for the numerical simulation of seismic wave propagation in models
with a complex near surface part and free surface topography. The approach is based on the …
with a complex near surface part and free surface topography. The approach is based on the …
Optimal energy conserving local discontinuous Galerkin methods for second-order wave equation in heterogeneous media
Solving wave propagation problems within heterogeneous media has been of great interest
and has a wide range of applications in physics and engineering. The design of numerical …
and has a wide range of applications in physics and engineering. The design of numerical …
[HTML][HTML] Moment fitted cut spectral elements for explicit analysis of guided wave propagation
In this work, a method for the simulation of guided wave propagation in solids defined by
implicit surfaces is presented. The method employs structured grids of spectral elements in …
implicit surfaces is presented. The method employs structured grids of spectral elements in …
Optimal error estimates for the fully discrete interior penalty DG method for the wave equation
MJ Grote, D Schötzau - Journal of Scientific Computing, 2009 - Springer
In Grote et al.(SIAM J. Numer. Anal., 44: 2408–2431, 2006) a symmetric interior penalty
discontinuous Galerkin (DG) method was presented for the time-dependent wave equation …
discontinuous Galerkin (DG) method was presented for the time-dependent wave equation …