Annual Report, 2008
Slides Sets from Review Meeting, 20 Feb 09
Room 1049, Duncan Hall, Rice University.
- 0830-0900: Coffee, meet
- 0900-0910: Overview (Bill)
- 0910-0950: The SEAMX modeling framework and process development for SEAM QC (Bill)
- 0950-1005: Mass lumping for constant density acoustics and accuracy at interfaces (Igor)
- 1005-1015: Effective media with a continuum of scales and accurate FEM: viewpoint of Owhadi and Zhang (Bill)
- 1015-1030: Immersed finite element methods for accurate numerical wave propagation through interfaces (Tommy)
- 1030-1040: break
- 1040-1100: Discontinuous Galerkin methods for waves and comparison with FD methods (Xin)
- 1100-1120: Explicit finite difference simulations with graphical processing units (Igor)
- 1120-1150: Numerical upscaling for wave propagation (Tanya)
- 1150-1300: lunch at Cohen House
- 1300-1310: Overview of TRIP inversion projects (Bill)
- 1310-1340: Approximate inverse scattering using pseudodifferential scaling (Rami)
- 1349-1400: Differential semblance MVA via RTM - computing the gradient (Chao)
- 1400-1410: Introduction to TSOpt (Marco)
- 1410-1420: From Modeling to Inversion: adapting SEAMX to TSOpt (Bill)
- 1420-1430: Numerical upscaling and the adjoint state method (Tanya)
- 1430-1500: Nonlinear differential semblance for plane waves in layered media (Dong)
- 1500-1530: Discussion
- 1530-....: adjourn; further discussion in Room 2014, Valhalla
Note: several presentation featured animated illustrations or movies - the links in this list will not download the large movie files needed to view these. If you'd like to view the movies as well as peruse the still slides, get in touch with us and we'll tell you how to download the complete presentation.
- Bill
Expanded Abstracts from SEG 2008:
- William W. Symes, Igor Terentyev, and Tetyana Vdovina: Gridding requirements for accurate finite difference simulation, SM 1.5
Theses and Reports:
- Rami Nammour: Approximate inverse scattering by pseudodifferential scaling, MA Thesis (defended Nov 2008)
- Igor Terentyev: Framework design and implementation of finite difference based seismic simulations, MA Thesis (defended Dec 2008)
- Dong Sun: The nonlinear differential semblance algorithm for plane waves in layered media, MA Thesis (defended Oct 2008)
- Xin Wang: Application of nodal discontinuous Galerkin methods in acoustic wave modeling
- William W. Symes, Mass lumping for constant density acoustics
- William W. Symes and Tetyana W. Vdovina, The acoustic radiation solution
Papers in refereed journals (appeared, accepted, submitted)
- William W. Symes, Migration velocity analysis and waveform inversion, Geophysical Prospecting, 56, 765-790, 2008 (special section on waveform inversion)
- Peng Shen and William W. Symes: Automatic velocity analysis via shot profile migration, Geophysics, 73 (5), VE49-60, 2008 (supplement on velocity estimation for depth imaging)
- Anthony D. Padula, Shannon D. Scott, and William W. Symes: A software framework for abstract expression of coordinate-free linear algebra and optimization algorithms, ACM Transactions on Mathematical Software, to appear March 09. (final draft)
- William W. Symes and Tetyana Vdovina, Interface error analysis for numerical wave propagation, Computational Geosciences, to appear spring 09. (CAAM TR08-22)
- Kirk D. Blazek, Christiaan Stolk, and William W. Symes, Well-posedness of initial-boundary value problems for hyperbolic integro-differential equations with nonsmooth coefficients, submitted to Wave Motion. (latest pdf)