FD-injection-based elastic wavefield separation for open and closed configurations

HR Thomsen, EFM Koene… - Geophysical Journal …, 2021 - academic.oup.com
An important step in the processing of seismic data that are recorded at the free surface is
the isolation of the primary incident wavefield from the total recorded wavefield (which is …

Exact wavefield separation on an elastic-free surface with sharp corners

HR Thomsen - SEG International Exposition and Annual Meeting, 2018 - onepetro.org
We aim to develop a laboratory for elastic immersive wave experimentation with solid real
Earth and synthetic materials. By dynamically linking a physical experiment with a numerical …

A finite-difference algorithm to retrieve finite-difference modeled elastic waves at the free surface

E Koene, J Robertsson - SEG Technical Program Expanded …, 2018 - library.seg.org
Although drawbacks exist, finite-difference simulations remain a popular method to compute
solutions to the seismic wave equation. One such drawback, compared to other modeling …

A filtering approach to remove finite-difference errors from wave equation simulations

EFM Koene - 2021 - research-collection.ethz.ch
Seismograms (ie, recordings of seismic waves that propagate through the earth) can be
used to uncover information about the earth's subsurface. Such investigations require …