Workshop 3: November 21-25, 2011

Wave Propagation and Scattering, Inverse Problems and Applications in Energy and the Environment

Location: Science Park 2, 4th Floor, Room 416

Mon, November 21
09:00-09:40 Registration
09:40-09:50 Opening
09:50-10:40 Ralf Hiptmair
Convergence of truncated T-matrix approximation
Presentation slides (PDF-File, 778KB)
10:40-11:10 Coffee
11:10-12:00 Timo Betcke
Modulated plane wave methods for Helmholtz problems in heterogeneous media
Presentation slides (PDF-File, 9.2MB)
12:00-14:00 Lunch
14:00-14:50 Susan Minkoff
Two scale wave equation modeling
Presentation slides (PDF-File, 2.7MB)
14:50-15:20 Coffee
15:20-16:10 Paul Childs
Numerics of waveform inversion for seismic data
16:10-17:00 Chris Stolk
Seismic inverse scattering by reverse time migration
Presentation slides (PDF-File, 2.1MB)
17:15 Poster Session & Welcome Reception
Tue, November 22
09:00-09:50 Martin Gander
Are absorbing boundary conditions and perfectly matched layers really so different?
Presentation slides (PDF-File, 5.9MB)
09:50-10:40 Lothar Nannen
Hardy space infinite elements for exterior Maxwell problems
Presentation slides (PDF-File, 2.7MB)
10:40-11:10 Coffee
11:10-12:00 Habib Ammari
Electromagnetic invisbility and super-resolution
Presentation slides (PDF-File, 698KB)
12:00-14:00 Lunch
14:00-14:50 Marcus Grote
Discontinuous Galerkin methods and local time stepping for transient wave propagation
Presentation slides (PDF-File, 11MB)
14:50-15:20 Coffee
15:20-16:10 Joachim Schöberl
Hybrid discontinuous Galerkin finite element methods for the Helmholtz equation
Presentation slides (PDF-File, 5.7MB)
17:15-18:00 Radon colloquium
Martin Gander: From Euler, Schwarz, Ritz and Galerkin to modern computing
Presentation slides (PDF-File, 3.2MB)
Wed, November 23
09:00-09:50 Ronny Ramlau
Inverse Problems in adaptive optics
09:50-10:40 Frederic Nataf
Time reversed absorbing condition in the partial aperture case
Presentation slides (PDF-File, 67MB)
10:40-11:10 Coffee
11:10-12:00 Olaf Steinbach
Boundary element methods for acoustic and electromagnetic scattering problems
12:00-14:00 Lunch
Thu, November 24
09:00-09:50 Roland Potthast
Approaches to dynamical inverse scattering problems
Presentation slides (PDF-File, 4.4MB)
09:50-10:40 Thanh Nguyen
Inverse obstacle scattering problems using multifrequency measurements
Presentation slides (PDF-File, 354KB)
10:40-11:10 Coffee
11:10-12:00 Guanghui Hu
Direct and inverse scattering of elastic waves by diffraction gratings
Presentation slides (PDF-File, 891KB)
12:00-14:00 Lunch
14:00-14:50 Jari Toivanen
Domain decomposition and multigrid preconditioners for the Helmholtz equation in layered and heterogeneous media
14:50-15:20 Coffee
15:20-16:10 Radek Tezaur
The discontinuous enrichment method and its domain decomposition solver for the Helmholtz equation
16:10-17:00 Ira Livshits
Algebraic multigrid algorithm for solving Helmholtz equations with large wave numbers
19:00 Conference Dinner
Fri, November 25
09:00-09:50 Manfred Kaltenbacher
Spectral finite elements for a mixed formulation in computational acoustics taking flow effects into acount
Presentation slides (PDF-File, 3.8MB)
09:50-10:40 Euan Spence
Stability and conditioning of boundary integral methods for high frequency scattering
10:40-11:10 Coffee
11:10-12:00 Simon Chandler-Wilde
Numerical-Asymptotic Integral Equation Methods for High Frequency Scattering
Presentation slides (PDF-File, 1.7MB)
12:00 Closing