The computational accuracy and efficiency of finite element method and spectral element
method (SEM) are investigated thoroughly in time-domain elastic wavefield modeling. The …

The spectral element method (SEM) combines the geometrical flexibility of a finite element
method with the exponential convergence rate associated with spectral method, which has …

The finite element method is a very important tool for modeling seismic wave propagation in
complex media, but it usually consumes a large amount of memory which significantly …

High-efficient seismic wave forward modeling is important for the investigation of seismic
wave phenomenon in complex media and the imaging of subsurface structures of the Earth …

The mass-lumped method avoids the cost of inverting the mass matrix and simultaneously
maintains spatial accuracy by adopting additional interior integration points, known as …

Finite element method (FEM) with triangular mesh has the properties of flexibility and
adaptability in complex medium. However, the traditional finite element method is inefficient …

The spectral element method (SEM) has gained tremendous popularity within the
seismological community to solve the wave equation at all scales. Classic SEM applications …

Purely numerical methods based on finite-element approximation of the acoustic or elastic
wave equation are becoming increasingly popular for the generation of synthetic …

Application of local artificial boundary conditions in high-efficient spectral element method
(SEM) is a problem that needs further study, where difficulties focus on how to design an …

The development of an efficient algorithm for teleseismic wave field modeling is valuable for
calculating the gradients of the misfit function (termed misfit gradients) or Fréchet derivatives …