The 3rd International Workshop on Long-Wave Runup Models Wrigley Marine Science Center Catalina Island, California - Ju

1. The 3rd International Workshop on Long-Wave Runup ModelsWrigley Marine Science CenterCatalina Island, California - June 17-19, 2004 The NEES Multidirectional/Tsunami Wave Basin Update and Future Plans Solomon Yim, Harry Yeh, Cherri Pancake, and Daniel Cox Oregon State University

2. Project Goals Develop Experimental Facility for Tsunami Research Community • Leverage existing wave research facility • Expand capacity to tsunami waves and • 3-D bathymetry • Enhance Effectiveness of Tsunami Researchers • Reduce requirement for on-site presence • Facilitate re-use of previous experimentation • Support integration of simulation and • experimentation

3. The NSF NEES Research Program Network for Earthquake Engineering Simulation ($82M Major Research Equipment Grant) • 15 Equipment Sites (~$52M) • 3 Shake table research equipment • 2 Centrifuge research equipment • 1 Tsunami wave basin (unique facility nationwide) • 6 Large-scale laboratory experimentation systems • 1 Large-scale lifeline testing • 2 Field experimentation and monitoring installations

4. The NSF NEES Research Program A High-Performance Internet Network (NEESgrid) (~$10M) • Distributed virtual laboratory for earthquake experimentation and simulation • Support collaboratory experimental and computational research and education • Enable development of complex, comprehensive accurate analytical and numerical models of structural response to all forms of earthquake generated loading • Provide remote, shared access to equipment and data

5. The NSF NEES Research Program • A NEES Consortium (~$3M) • Developed as a non-profit organization • Manage and fund (with NSF support) NEES collaborative activities for FY2004-2014 • NSF Funding for FY2004-2014 (~$35M/year) • $20M/year for: (1) conducting experiments; (2) management, operation and maintenance of equipment sites; (3) IT support; and (4) NEES Consortium operation (all via Consortium, Inc.) • $15M/year for (1) Grand Challenge, (2) Small Group, and (3) Individual Investigator research activities

6. Wave Research Laboratory (before)

7. Tsunami Wave Basin Expansion (after)

8. Basin Dimensions Length : 26.5 m Width : 18.5 m Depth : 1.5 m 49.4 m 26.5 m 2.1 m NEES Directional Basin/Wave Generator Upgrade Before After Wave Generator • Stroke : 0.9 m • Velocity : 0.5 m/sec • Tsunami Height : 0.2 m • Additional Access Ramp • Building Extension • 2 m • 2 m/sec • 0.8 m

9. Wave Basin Expansion

10. Wave Research Laboratory Flythrough

11. The NEES Tsunami Basin Wave Generator • A twenty-nine segment directional wave generator along 26.5 m (87 ft) east wall • Each 0.9 m (3 ft) wide segment has: maximum stroke of 2 m (6.6 ft) maximum velocity of 2 m/s (6.6 ft/s) • Independent segment edge motions controlled by 30 electric motors with bell drives • Capable of generating a 0.8 m (2.6 ft) solitary wave height in a 1 m (3.2 ft) water depth

12. C = [g(h+H)]1/2 h = H sech2[(3H/4h3)1/2(Ct-x)] H h h p/g = h + h - s u = Ch/(h+h) s Tsunami Wave Definition Sketch

13. Wave Board: Maximum Conditions Stroke = [16Hh/3]1/2 u = CH/(h+H) H+h F/b = g(H+h)2/2 ? (0)

14. Design Conditions • H = 0.8 m, h = 1.0 m • Stroke = [16Hh/3]1/2 = 2.07 m • C = [g(h+H)]1/2 = 4.20 m/sec • u = CH/(h+H) = 1.87 m/sec • F/b = g(H+h)2/2 = 15,892 Newtons/m • For b = .91 m (3 ft), F = 14,462 Newtons • Peak Power = F * u = 27,044 N m/sec • Total Power = Peak Power * # Boards (29) = 784,269 N m/sec = 784 Kilowatts = 1052 HP

15. 6 of 29 Wave Boards

16. Single Wave Board and Drive

17. Guide Bearing, Hinge

18. Belt Drive

19. The NEES Tsunami Wave Basin

20. The NEES Tsunami Wave Basin

21. The NEES Tsunami Wave Basin

22. Update on NEES Tsunami Wave Basin Project • Oregon State’s Wave Research Laboratory (WRL) now hosts one of the most advanced tsunami testing facilities in the world • 3-D Tsunami Wave Basin Construction Completed • Grant Opening held on Sept. 13, 2003 • Performance specification testing on going • Test of concept experiments on going • IT development on going

23. NEES Tsunami Wave Basin Grand Opening

24. Geo Sciences Seismic Hazard Seismic Event Tsunami Generation Wave Propagation/Inundation Engineering Wave-Structure-Soil Interaction Performance Simulation System Response Performance Modeling Social Science Impact Assessment Consequences (Evacuation Scenario) Tsunami Scenario under NEES

25. Envisioned Tsunami Basin Experiments • Tsunami Wave Forces on Structures and Seabed • Structure Force Coefficients : Lift, Drag, Inertia, Pressure • Wave-Structure-Soil Interaction • Coupled Structure-Soil and Fluid Dynamics including Structural and Soil Motions, Wave Diffraction/Reflection, Turbulence, Breaking, Energy Dissipation • Scale Effects in Tsunami Runup and Velocity Measurements • Reynolds Number : Viscosity • Finite Amplitude : Convective Accelerations • Macro-Roughness Effects on Tsunami Behavior • Wave Attenuation : Natural and Constructed Roughness • Debris Flow : Motion Initiation and Debris Concentration

26. User-controlled live cameras

27. Wave Basin Expansion

28. Electronic Notebook

29. Future Plans • National Collaborative Research • NEES Supported Earthquake/Tsunami Related Research • NSF Supported Non-NEES Research • National Laboratories (e.g. NOAA, FEMA, etc.) • International Collaborative Research • Joint Research Programs • Japan (Port and Airport Research Institute) • Taiwan (Tainan Hydraulic Laboratory) • Other Countries?? • Government and Industry Applied Research and Testing • State, County, City Coastal Structures • Industrial Oil and Gas Exploration and Production Structures • Aquaculture structures and Equipment

30. One of the “Best” Use of the Large Wave Flume