A comparison of continuous mass-lumped finite elements with finite differences for 3-D wave propagation

  title={A comparison of continuous mass-lumped finite elements with finite differences for 3-D wave propagation},
  author={Elena Zhebel and Sara Minisini and Alexey Kononov and Wim A. Mulder},
The finite-difference method on rectangular meshes is widely used for time-domain modelling of the wave equation. It is relatively easy to implement high-order spatial discretization schemes and parallelization. Also, the method is computationally efficient. However, the use of finite elements on tetrahedral unstructured meshes is more accurate in complex geometries near sharp interfaces. We compared the standard eighth-order finite-difference method to fourth-order continuous mass-lumped… CONTINUE READING


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