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COLLOQUIUM: "Seismic Imaging and Inversion Based on Spectral-Element and Adjoint Methods"

Hosted by the
Princeton Plasma Physics Laboratory

Official Website: http://www.pppl.gov/events/colloquium-seismic-imaging-and-inversion-based-spectral-element-and-adjoint-methods

Professor Jeroen Tromp
The Department of Geosciences, Princeton University

TIME and LOCATION:
February 6, 2013, 4:15pm to 5:30pm
Princeton Plasma Physics Laboratory, MBG Auditorium

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Harnessing high-performance computers and accurate numerical methods to better constrain physical properties of Earth's interior is rapidly becoming one of the most important research topics in exploration and global seismology. We use spectral-element and adjoint methods to iteratively improve 3D subsurface images ranging from exploration to global scales. The spectral-element method, a high-order finite-element method with the advantage of a diagonal mass matrix, is used to accurately calculate three-component synthetic seismograms in complex 3D Earth models.