Research Group, February 2002 After the QNDE Fun Run, July 2001 Robert, Thomas and Michael, December 2000 Eak in the lab :-) Ph.D. Students Advised Dr. Chris Pionke (finished advising Dr. Pionke after Dr. Gerald Wempner retired, 1993). Thesis Title: Convergence of Finite Elements Based on the Hu-Washizu Variation theorem with Minimum Compatibility Current Position: Research Engineer, Associate Professor, Department of Mechanical and Aerospace Engineering and Engineering Science, University of Tennessee, Knoxville Dr. Douglas A. Bruttomesso (1996). Thesis Title: Laser Ultrasonic Techniques to Determine the Influence of Geometric Features on Rayleigh Waves. Current Position: Research Engineer, Lockheed Martin, Princeton, New Jersey. Dr. Jerrol W. Littles, Jr. (1996). Thesis Title: Ultrasonic Characterization of Fiber Reinforced Polymeric (FRP) Composites. Current Position: Program Manager, Pratt and Whitney Aircraft Engines, West Hartford, Connecticut. Dr. Joseph O. Owino (1998). Thesis Title: Study of the Propagation of Rayleigh Waves in Cement-Based Materials. Current Position: UC Foundation Associate Professor, Department of Civil Engineering, University of Tennessee at Chattanooga 5. Dr. Mary Hughes (co-advised with Dr. Glenn Rix) (1999). Thesis Title: Nondestructive Determination of Unknown Pile Tip Elevations Using Modal Analysis. Current Position: Assistant Professor, Department of Civil Engineering, Auburn University. Dr. Christine S. Valle (co-advised with Dr. Jianmin Qu) (1999). Thesis Title: Guided Circumferential Waves in Annular Structures (Received Sigma Xi Outstanding Ph.D. Thesis Award). Current Position: Academic Prfoessional, College of Engineering, Georgia Institute of Technology, Atlanta, GA. Dr. Olajide David Dokun (co-advised with Dr. Rami Haj-Ali) (1999). Thesis Title: Laser Ultrasonic Techniques and Numerical Models for Damage and Degradation Tracking in FRP. Current Position: Project Engineer, Power Systems, Caterpillar Inc., Griffin, GA. Dr. Zhiqiang Shi (co-advised with Dr. Jacek Jarzynski) (2001). Thesis Title: Studies on Quantitative Acoustic Emission with Applications to Material Fatigue. Current Position, Research Engineer, Corning. Dr. Wonsiri Punurai (co-advised with Dr. Kim Kurtis) (2006). Thesis Title: Cement-based Materials’ Characterization using ultrasonic attenuation. Current Position, Lecturer, Department of Civil Engineering, Mahidol University, Thailand. Mr. Kritsakorn Luangvilai (expected 2006). Thesis Title: Advanced Signal Processing Techniques in Quantitative Nondestructive Evaluation. Passed qualifying exam, May 2001. M.S. Thesis/Project Students Advised 1. Dr. Douglas A. Bruttomesso (1992). Thesis Title: Development of a Heterodyne Interferometer with Applications for Acoustic Emission Testing. Current Position: Research Engineer, Lockheed Martin, Princeton, New Jersey. 2. Mr. Richard Whitcomb (1993). Thesis Title: Quantitative Ultrasonic Evaluation of Concrete. Current Position: Computer Consultant. 3. Dr. Jerrol W. Littles, Jr. (1993). Thesis Title: Scattering of Longitudinal Waves from a Distribution of Cracks. Current Position: Program Manager, Pratt and Whitney Aircraft Engines, West Hartford, Connecticut. 4. Mr. Daniel Carlin (1994). Thesis Title: Experimental and Numerical Characterization of Damage in FRP Beams. Current Position: Staff Engineer, Lockheed-Martin. 5. Mr. Raymond Q. Raparelli (1996). Thesis Title: Modal Analysis Applied to the Characterization of Pile Lengths. Current Position: Consulting Structural Engineer. 6. Dr. Stefan Hurlebaus (Diplomarbeit Student from University of Stuttgart on Deutscher Akademischer Austausch Dienst (DAAD) Program) (1996). Thesis Title: Laser Generation and Detection Techniques for Developing Transfer Functions to Characterize the Effect of Geometry on Elastic Wave Propagation. (Received Sigma Xi Outstanding M.S. Thesis Award). Current Position: Assistant Professor, Texas A&M University, College Station, TX. 7. Mr. Felix Bast (Diplomarbeit Student from University of Stuttgart on DAAD Program) (1996). Thesis Title: Feasibility Study and Optimization of the Design of an Injection Molded Plastic Bike Frame. Current Position: Staff Engineer, BMW, Munich, Germany. 8. Mr. Dirk Streitenberger (Diplomarbeit Student from University of Stuttgart on DAAD Program) (1996) Thesis Title: Analysis and Optimization of a New Design of a Bicycle Frame. Current Position: Staff Engineer, BMW, Munich, Germany. 9. Dr. Friedrich Moser (Diplomarbeit Student from University of Stuttgart on DAAD Program) (1997). Research Title: Application of Finite Element Methods to Study Transient Wave Propagation in Elastic Wave Guides. Current Position: Research Engineer, Bosch Company, Stuttgart, Germany. 10. Mr. Markus Kley (Studienarbeit Student from University of Stuttgart on DAAD Program) (1998). Thesis Title: Development of Dispersion Relationships for Layered Cylinders using Laser Ultrasonics. Current Position: Doctoral Student, University of Stuttgart. 11. Dr. Marc Niethammer (Studienarbeit Student from University of Stuttgart on DAAD Program) (1999). Thesis Title: Application of Time Frequency Representations to Characterize Ultrasonic Signals. Current Position: Postdoctoral Fellow, Harvard University. 12. Mr. Christoph Eisenhardt (Studienarbeit Student from University of Stuttgart on DAAD Program) (1999). Research Title: Characterization of the Effect of Cracks on Laser Generated and Detected Lamb Waves. Current Position: Staff Engineer, John Deere, Germany. 13. Mr. Kai Heller (Studienarbeit Student from University of Stuttgart on DAAD Program) (1999). Research Title: Laser Generated and Detected Lamb Waves to Characterize Adhesive Bond Properties. Current Position: Staff Engineer, Damiler-Chrysler, Stuttgart. 14. Dr. Robert Seifried (Studienarbeit Student from University of Stuttgart on DAAD Program) (2000). Thesis Title: Propagation of Guided Waves in Adhesive Bonded Components. Current Position: Research Faculty, University of Stuttgart. 15. Dr. Thomas Meurer (co-advised with Dr. Jianmin Qu) (Studienarbeit Student from University of Stuttgart on DAAD Program) (2000). Thesis Title: Wave Propagation in Hysteretic Media. (Received Sigma Xi Outstanding M.S. Thesis Award). Current Position: Research Faculty, University of Stuttgart. 16. Dr. Matthias Maess (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2001). Thesis Title: Characterization of Nonlinear Materials. Current Position: Doctoral Student, University of Stuttgart. 17. Mr. Christian Stolzenburg (co-advised with Dr. Jacek Jarzynski) (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2001). Thesis Title: Wave Propagation in Layered Media. Current Position: Doctoral Student, University of Stuttgart. 18. Mr. Jens Becker (co-advised with Dr. Jianmin Qu) (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2002). Thesis Title: Investigation of the Microstructure of Heterogeneous Materials using Ultrasonic Waves. (Received Sigma Xi Outstanding M.S. Thesis Award). Current Position: Graduate Student, University of Stuttgart. 19. Mr. Ruediger Benz (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2002). Thesis Title: Localization of Notches with Lamb Waves. Current Position: Graduate Student, Bosch Company. 20. Mr. Marc Dressler (co-advised with Dr. Jacek Jarzynski) (Diplomarbeit Student from University of Stuttgart on DAAD Program (2002). Thesis Title: Theoretical and Experimental Modeling of Ultrasonic Waves in Multi-Layered Media. Current Position: Graduate Student, Bosch Company. 21. Mr. Frank Blum (co-advised with Dr. Jacek Jarzynski) (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2003). Thesis Title: A Focused, Two Dimensional, Air-Coupled Ultrasonic Array for Non-Contact Generation. Current Position: Engineer in Stuttgart Germany. 22. Mr. Michael Junge (co-advised with Dr. Jianmin Qu) (Diplomarbeit Student from University of Stuttgart on DAAD Program (2003). Thesis Title: Characterization of Residual Stress using Rayleigh Surface Waves. Current Position: Graduate Student, University of Stuttgart. 23. Mr. Johannes Maess (co-advised with Dr. Jianmin Qu) (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2004). Thesis Title: Investigation of Damage in Polycrystal Materials using Ultrasonic Attenuation. Current Position: Graduate Student, University of Stuttgart. 24. Mr. Oliver Kotte (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2004). Thesis Title: Application of Image Processing Techniques for Lamb Wave Characterization. Current Position: Graduate Student, ETH. 25. Mr. Tobias Kreuzinger (co-advised with Dr. Jennifer Michaels) (Diplomarbeit Student from University of Stuttgart on DAAD Program (2004). Thesis Title: Digital Signal Processing Methods for Source Function Extraction of Piezoelectric Elements. 26. Mr. Thorsten Muller (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2005). Thesis Title: Nonlinear Ultrasonics: Signal Processing Considerations and a Nonlinear Parameter for Rayleigh Waves. 27. Mr. Jan Hermann (co-advised with Jianmin Qu) (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2005). Thesis Title: Generation and Detection of Higher Harmonics in Rayleigh Waves using Laser Ultrasound. 28. Mr. Helge Kuttig (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2005). Thesis Title: Model-based Signal Processing of Dispersive Waves with Chirplets. Current Position: Graduate Student, University of Stuttgart. 29. Mr. Christian Bermes (co-advised with Dr. Jianmin Qu) (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2006). Thesis Title: Generation and Detection of Nonlinear Lamb Waves for the Characterization of Material Nonlinearities. 30. Mr. Florian Kerber (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2006). Thesis Title: Dispersive Wave Analysis using the Chirplet Transform. 31. Mr. Juergen Koreck (co-advised with Dr. Jianmin Qu) (Diplomarbeit Student from University of Stuttgart on DAAD Program) (2006). Thesis Title:Computaional Characterization of Adhesive Bond Properties using Guided Waves in Adhesive Bonded Plates.