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Global unstructured simulations

Project GlobUS
Research Area Earth Sciences
Principal Investigator(s) Dr. Martin Käser
Institution(s)
  • Ludwig-Maximilians-Universität München, Department of Earth and Environmental Sciences, Geophysics, Germany
  • King Abdullah University of Science and Technology, Thuwal, Kingdom of Saudi Arabia

Abstract

The major discoveries of the interior of our planet have been achieved through the study of seismic waves. To this end, the discipline of global seismology is analyzing the translational and recently also the rotational movement of the ground occurring globally after an earthquake. Through an inversion process, tomographic images of the earth interior can be produced and converted into petrophysical properties. The key ingredient in this process is the simulation of wave propagation through planetary scale models with 3-D variations of anisotropic, viscoelastic properties and density. The main objective of this proposal is to apply a well-advanced simulation tool based on the discontinuous Galerkin method (SeisSol) to the problem of global wave propagation and inversion. This project will be tightly linked to the recently initiated ITN QUEST (www.quest-itn.org) network which has a focus on seismic imaging tools on all scales.

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