Direct Simulation of Seismic Wave Propagation

Martin Karrenbach
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Martin Karrenbach: Karlsruhe University, Geophysical Institute

A chapter in High Performance Computing in Science and Engineering ’99, 2000, pp 13-25 from Springer

Abstract: Abstract Full wave form modeling techniques in 3D complex heterogeneous elastic media axe computationally expensive, even on today’s largest supercomputers. In contrast asymptotic techniques only compute a small subset of the wave field, but can be very fast. Using asymptotic methods in combination with full wave form techniques can speed up the overall computation. I use a particular asymptotic method to compute dynamically the progressingly active computational domain for a parallel full wave form finite difference technique. This leads to an overall decreased computational runtime. This computational technique is applied to simulation in a industrially oriented oil/gas bearing subsruface model as well as to simulation of earthquake related scientific scenarios.

Keywords: Wave Field; Domain Decomposition; Direct Simulation; Seismic Wave Propagation; Finite Difference Technique (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-59686-5_3

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DOI: 10.1007/978-3-642-59686-5_3

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