Technical Programme >Workshops >Workshop 10



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Workshop description

Due to the increased computation power, accurate forward modeling programs can now be used for advanced inversion algorithms where the complete measured data is used. Especially, full-waveform inversion (FWI) is a promising technique that fully utilizes all of the information content present in high-frequency wave propagation data and is capable of yielding sub-wavelength resolution images. Whereas most developments and applications of FWI are for seismic imaging focused on the deeper subsurface, more and more developments are focused on the development and application of FWI for near surface characterization. Recently successful field data applications of FWI have been published in the non-destructive material testing using ultrasonics, the prospecting of the near-surface groundwater using ground penetrating radar, and the reconstruction of elastic properties from shallow seismic Rayleigh waves. During the workshop recent developments will be discussed of Seismic and Ground Penetrating Radar FWI. The workshop will include presentations about the theoretical background, synthetic examples, and several case histories for ultrasonics, shallow seismics and ground penetrating radar applications.

Workshop format

The workshop shall consist of oral presentations and three invited keynote speakers will give an overview of recent advances and applications.
Sufficient time will be given for discussion to allow for the exchange of knowledge and experiences.

Who should attend?

The workshop is designed to be followed by anyone with some background in Ground Penetrating Radar and/or seismic processing. Basic understanding of the physics of wave propagation is required.


Session New Methods and Solutions
09:30 Introduction
09:40 WS10-A01 Seismic Full Waveform Inversion for Characterizing Near-surface Structures - Potential Problems and Solutions (invited speaker)
H.R. Maurer* (ETH Zurich), A. Nuber (ETH Zurich), E. Manukyan (ETH Zurich) & S.A. Greenhalgh (ETH Zurich)
10:10 WS10-A02 Towards Robust Acoustic Full Waveform Inversion 
E. Manukyan* (ETH Zurich), H. Maurer (ETH Zurich) & A. Nuber (ETH Zurich)
10:35 WS10-A03 Alternative Multicomponent Observables for Robust Full-waveform Inversion - Application to a Near-surface Example
R. Valensi* (formerly IFSTTAR), R. Brossier (Univ. Grenoble Alpes), D. Leparoux (IFSTTAR) & P. Côte (IFSTTAR)
11:00 Coffee break
11:20 WS10-A04 Near-surface Characterization by Full Elastic Wave-field Inversion Based on the Scattering Integral Equation
G. Rizzuti* (Delft Inversion) & A. Gisolf (Delft Inversion)
11:45 WS10-A05 Semi-discrete Matrix Free Formulation of 3D Full Waveform Elastic Modeling and Inversion
S. Moore (IBM), S. Zhuk (IBM), D.S. Chunduri (IBM), T. Tchrakian (IBM), E. van den Berg (IBM), A. Akhriev* (IBM), A. Costa Noguiera Junior (IBM), A. Rawlinson (IBM) & L. Horesh (IBM)
12:10 Discussion session
Session FWI of GPR Data
12:20 WS10-B01 Simultaneous GPR Reconstruction of Electrical Conductivity and Permittivity (invited speaker)
H. Pinard (ISTerre, Universite Grenoble Alpes), M. Dietrich (ISTerre, Universite Grenoble Alpes), S. Garambois (ISTerre, Universite Grenoble Alpes), F. Lavoué (ISTerre, Universite Grenoble Alpes), L. Métivier (ISTerre, Universite Grenoble Alpes) & J.M. Virieux* (Universite Joseph Fourier)
12:50 WS10-B02 Application of Crosshole GPR Full-Waveform Inversion to Experimental Data - Overview of Recent Developments and Possible Pitfalls
A. Klotzsche* (Research Center of Juelich), J. van der Kruk (Forschungszentrum Juelich GmbH) & H. Vereecken (Forschungszentrum Juelich GmbH)
13:15 Discussion session
13:30 Lunch break
Session Seismic Field Data Applications
14:30 WS10-C01 Near-surface 2D SH-waveform Inversion - A Case Study from Slovakia (invited speaker)
D. Köhn* (Christian-Albrechts-University Kiel), E. Dokter (Christian-Albrechts-University Kiel), D. Wilken (Christian-Albrechts-University Kiel), D. De Nil (Christian-Albrechts-University Kiel) & W. Rabbel (Christian-Albrechts-University Kiel)
15:00 WS10-C02 Applications of 2-D Elastic Full Waveform Inversion to Shallow Seismic Rayleigh Waves
T. Bohlen* (Karlsruhe Institute of Technology), T. Forbriger (Karlsruhe Institute of Technology), L. Groos (Karlsruhe Institute of Technology), M. Schäfer (Karlsruhe Institute of Technology), C. Wolf (Karlsruhe Institute of Technology) & M. Binnig (Karlsruhe Institute of Technology)
15:25 Coffee break
15:45 WS10-C03 Full Waveform Inversion for Shallow Hazard Identification on a Narrow Azimuth Dataset
D. Bright* (BG Group plc), C.E. Jones (BG Group), Y. Belhassen (CGG), R. Brasil (CGG), H. Macintyre (BG Group) & C. França (BG Group)
16:10 WS10-C04 Application of 2D (visco)-elastic Rayleigh Waveform Inversion to Ultrasonic Data from the Porta Nigra in Trier (Germany)
D. Köhn* (Christian-Albrechts-University Kiel), T. Meier (Christian-Albrechts-University Kiel), M. Auras (Institut für Steinkonservierung e.V. Mainz), D. De Nil (Christian-Albrechts-University Kiel) & M. Fehr (Christian-Albrechts-University Kiel)
16:35 Wrap-up and closing