Sixth International Colloquium onBluff Body Aerodynamics & Applications

Milano,July 20 – 24, 2008

Program and SummariesOrganized by Dipartimento di Meccanica - CIRIVE

Politecnico di Milano

Sponsored by:

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Sixth International Colloquium on Bluff Body Aereodynamics & Applications

SCIENTIFIC PROGRAM Monday, July 21st Invited Lecture: Pressure Distributions And Flow Fields Providing Extreme Aerodynamic Forces, Prof. Yukio Tamura, Wind Engineering Research Centre, Tokyo Polytechnic University

Experimental Investigations on Buildings 1 – (10:00 – 13:00) Experimental Study of Wind Pressures on Irregular-Plan Shape Buildings, J.A. Amin, A.K. Ahuja, Indian Institute of Technology Roorkee, India

Wind Tunnel Tests And Numerical Simulations On The New Train Station And Highway Tollgate In Reggio Emilia, P. Biagini, C. Borri, A. Borsani, L. Procino, Università di Firenze, Italy

Characteristics Of Wind Load On A Hemispherical Dome In Smooth Flow And Turbulent Boundary Layer Flow, C. M. Cheng, C. L. Fu

,

Y.Y. Lin, Tamkang University, Taiwan

Acquisition Data Management From Vibration Of A Tall Rectangular Building, H. Eimani-Kalehsar, Mohaghegh-Ardebili University, Iran

Foundation Erosion Of Houses Due To Action Of Wind, A. Goliger, Council for Scientific and Industrial Research, South Africa, J. Mahachi, National Home Builders Registration Council, South Africa, H. J. Niemann, Ruhr-Universität, Germany

Study on Aerodynamic Stability of a High-Rise Building with Base Isolation by means of New Hybrid Aerodynamic Vibration Technique, T. Koizumi, Technical Research Institute, Obayashi Corporation, Japan, M. Kanda, Nihon University, Japan

Effects Of Initial Conditions On The Flight Of Plate-Like Debris, B. Kordi, G. A. Kopp, The University of Western Ontario, Canada

Wind Tunnel Experiment For Unsteady Internal Pressure In Building, M. Matsui, Y. Tamura, A. Yoshida Tokyo Polytechnic University, Japan

X

Presentation of the Benchmark on the Aerodynamics of a Rectangular Cylinder (BARC) Prof. Guido Buresti, Prof. Luca Bruno, Prof. Francesco Ricciardelli Rectangular Cylinder 1– (14:00 – 16:00) 3D Flow Around A Rectangular Cylinder: A Computational Study, A. Bosco, Aachen Institut for advanced studies in Computational Engineering Science, Germany, L.. Bruno, Politecnico di Torino, Italy, N. Coste, OptiFlow Company, France, D. Fransos, Politecnico di Torino, Italy

Observations Of The Wind Tunnel Blockage Effects On The Mean Pressure Distributions Around Rectangular Prisms In Smooth And Grid Turbulent Flows, N. E. Amrouche, USTHB Algérie , A. Laneville Université de Sherbrooke, Canada

Effect Of Local Air Compressibility On The Aerodynamics Of Rectangular Prisms At Mach Number Below 0.30, G. L. Larose, NRCC, Canada, A. D’Auteuil Carleton University, Canada

Analysis Of Non-Stationary Flow Around A Rectangular Cylinder, S. Malavasi, M. Negri , Politecnico di Milano, Italy

Detached-Eddy Simulation Of Flow Around A 1:5 Rectangular Cylinder, C. Mannini, Università di Firenze, Italy, A. Soda, University of Zagreb, Croatia, R. Voss, G. Schewe, German Aerospace Center (DLR) , Germany

Sectional Aerodynamic Forces And Their Longitudinal Correlation On A Vibrating 5:1 Rectangular Cylinder, F. Ricciardelli, Università di Reggio Calabria, Italy, A. M. Marra, Università di Firenze, Italy

Rectangular Cylinder 2 – (16:20 – 18:20) Unsteady Aerodynamic Forces On Square Cylinders With Sharp And Rounded Corners, A. Mola, G. Bordonaro, M. Hajj Virginia Polytechnic Institute and State University, USA

Wind-Tunnel Study On Effects Of Small-Scale Turbulence On Flow Patterns Around Rectangular Cylinder, H. Yamada, H. Katsuchi, Yokohama National University, Japan

XI

Open Channel Flow over a Pair of Rectangular Cylinders at Incidence, J.M. Tsikata, M. Agelinchaab, M.F. Tachie, University of Manitoba, Canada

Characteristics Of Flows Around A Rectangular Cylinder Of Which Vibration Is Suppressed By Pulsating Jets From The Leading Edges, T. Nomura, Nihon University, Japan, K. Suzuki, The Zenitaka Corporation Japan

Instantaneous Pressure Distribution On Square Cylinder In Turbulent Flow, C. W. Park, Daebul University Korea, S. Lee Chungbuk National University, South Korea

Suppression Of Aeroelastic Vibration Of Shallow Rectangular Prism Due To Its Horizontal Plates On Both Ends, R. Doi, Y. Kubo, K. Kimura, K. Kato, Kyushu Institute of Technology, Japan Tuesday, July 22nd Invited Lecture: The Flow Around High Speed Trains, Prof. Christopher Baker, University of Birmingham, UK Bridges 1 – (10:00 – 13:00) – Parallel session Aerodynamic Characteristics Of Split Deck Sections For Long Suspension Bridges, E. Dragomirescu, H. Kim, T. Kitagawa, Nagoya University, Japan

Aerodynamic Design Of Kwangyang Suspension Bridge With Main Span 1545m, S. D. Kwon, S. H. Lee, Chonbuk National University, Korea, H. Uejima, Ishikawajima-Harima Heavy Industries Co., Japan, M. J. Lee, Yooshin Engineering Corp., Korea, J. Kim, Daelim Industrial Co., Korea

Aerodynamic Investigation of Generic Bridge Deck Section Models, H. R. Bosch, T. Dhall Turner-Fairbank Highway Research Center, McLean, Virginia, USA

Aerodynamic Stabilizing Mechanism For A Cable Stayed Bridge With Two Edge Box Girder, Sukamta, F. Nagao, M. Noda, K. Muneta, University of Tokushima, Japan

XII

Aeroelastic Analysis Of Suspension Bridge Decks Using Finite Element Method, H. Eimani Kalesar, A. Farid Saleh, University of Mohaghegh-Ardebili, Ardebil, Iran

Bluff Body Aerodynamics Application in Challenging Bridge Span Length, Y. J. Ge, H. F. Xiang, Tongji University, China

New Consideration on Flutter Properties basing on SBS-Fundamental Flutter Mode, Similar Selberg’s Formula, Torsional Divergence Instability, and New Coupled Flutter Phenomena affected by Structural Coupling, M. Matsumoto, H. Matsumiya, S. Fujiwara, Y. Ito, Kyoto University, Japan

Edge Degree-Of-Sharpness And Integral Length Scale Effects On The Aerodynamics Of A Bridge Deck, L. Bruno, D. Fransos, Politecnico di Torino, Italy

Equivalent-Static Wind Loads For Long-Span Bridges, S. Stoyanoff, M. Hunter, P. Irwin, RWDI, Canada Bridges 2 – (14:00 – 16:00) – Parallel session The Passive Control Of Separation For Aerodynamic Stability Of The Girder Of Long Span Bridges, T. Noda, Y. Kubo, K. Yoshida, K. Kimura, K. Kato, Kyushu Institute of Technology Tobata, Japan

Estimation Of Aerodynamic Admittance By Numerical Computation, H. Uejima, S. Kuroda, IHI Corporation, Japan, H. Kobayashi Ritsumeikan University, Japan

Experimental And Computational Enhancement For Hybrid Analysis Of Suspension Bridges, J. Á. Jurado, A. León, F. Nieto, S. Hernández University of Coruña, Spain

Full-Scale Identification Of Modal And Aeroelastic Parameters For The Clifton Suspension Bridge, N. Nikitas, J. H. G. Macdonald, University of Bristol, UK, J. B. Jakobsen, University of Stavanger, Norway

Innovative Solutions For Long-Span Suspension Bridges, G. Bartoli, P. D’Asdia, S. Febo, C. Mannini,

S. Pastò, L. Procino, Università degli Studi di Firenze, Italy

XIII

Model Investigations And Aerodynamic Analysis Of Arch Bridge Over Vistula River In Puławy, A. Flaga, J. Bęc, G. Bosak, T. Lipecki, University of Technology, Poland Bridges 3 – (16:20 – 18:40) – Parallel session Prediction Of High Reynolds Number Flow Over A Twin Box Bridge Using LES, Z. Wei, Y. Ge, Tongji University, China

Recent Investigations On Long-Span Bridge Aeroelasticity In The Presence Of Turbulence Fields With Uncertain Span-Wise Correlation, L. Caracoglia, Northeastern University, USA

Self-Excited Nonlinear Response Of A Bridge-Type Cross Section In Post-Critical State, J. Naprstek, S. Pospısil, Academy of Sciences of the Czech Republic, R. Hoeffer, J. Sahlmen, Ruhr University Bochum, Germany

Stability Performance Of Suspension Bridges With A Rectangular, A Trapezoidal And A Hexagonal Cross-Sections, F.M. Fang, Y. C. Li, C. C. Chen, Taiwan

Structural Optimization Of The Flutter Problem In Suspension Bridges: An Analytical Formulation, S. Hernández, F. Nieto, J. Á. Jurado, University of La Coruña, Spain

Wind Barriers On Bridges: The Effect Of Wall Porosity, L. Procino, H. Kozmar, G. Bartoli, A. Borsani, Università degli Studi di Firenze, Italy

Aerodynamic instability of a deck section model: linear and non-linear approach to force modelling, G. Diana, D. Rocchi, T. Argentini, S. Muggiasca, Politecnico di Milano, Italy High Speed Train Aerodynamics 1: Cross Wind (HSTA1) – (10:00 – 13:00) – Parallel session Aerodynamic Calculations Of Crosswind Stability Of A High-Speed Train Using Control Volumes Of Arbitrary Polyhedral Shape, B. Diedrichs, Bombardier Transportation, Sweden

Calculation Of The Cross Wind Displacement Of Pantographs, A. Bouferrouk, C.J. Baker, M. Sterling, The University of Birmingham, UK, H. O’ Neil, S. Wood, Interfleet Technology Ltd, UK

XIV

Wind Tunnel Investigation Of An Ice 3 On An Embankment, M. Schober, M. Wiese, A. Orellano, Bombardier Transportation, Germany, P. Deeg, Deutsche Bahn, Germany, W. Wetzel, Siemens Transportation Systems, Germany

Wind Tunnel Tests On Train Scale Models To Investigate The Effect Of Infrastructure Scenario, F. Cheli, R. Corradi, D. Rocchi, G. Tomasini, Politecnico di Milano, Italy, E. Maestrini, Trenitalia, Italy

The Overshoot Of Aerodynamic Forces On A Railcar-Like Body Under Step-Function-Like Gusty Winds, T. Takeuchi, J. Maeda, H. Kawashita, Kyushu University, Japan

An Investigation Of The Aerodynamic Admittances And Aerodynamic Weighting Functions Of Trains, M. Sterling, C.J. Baker, A. Bouferrouk, The University of Birmingham, UK, H. O’ Neil, S. Wood, Interfleet Technology Ltd, UK, W. Pearce, E. Crosbie, RWDI Anemos Ltd. UK

Effects Of Tunnel Ventilation Modes On The Aerodynamic Drag Of A Low Speed Train, H.F. Wang, Y. Zhou, M. M. Alam, J. F. Huang, The Hong Kong Polytechnic University, Hong Kong High Speed Train Aerodynamics 2: Ballast Projection (HSTA2) – (14:00 – 16:00) – Parallel session A Generic Train-Underfloor Experiment For CFD Validation, H.J. Kaltenbach, Deutsche Bahn, Germany, I. A. Portillo, UNIFE, Belgium, M. Schober, Bombardier Transportation, Germany

Validation Of CFD For The Flow Under A Train With 1:7 Scale Wind Tunnel Measurement, M. Sima, A. Gurr, A. Orellano, Bombardier Transportation, Germany

Cross-Comparison Of Measurement Techniques For The Determination Of Train-Induced Aerodynamic Loads On The Trackbed, P. Deeg, H. J. Kaltenbach, Deutsche Bahn, Germany, M. Jönsson. Bombardier Transportation, Germany, M. Wiese, Deutsches Zentrum für Luft und Raumfhart, Germany

Full Scale Aerodynamic Measurements Underneath A High Speed Train, A. Quinn, University of Birmingham, UK, M. Hayward, CTRL, UK

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High Speed Train Aerodynamics 3: Ballast Projection & Pressure Waves (HSTA3) – (16:20 – 18:20) – Parallel session Estimation Of The Flow Characteristics Between The Train Underbody The Ballast Track, J. Garcia, A. Crespo, I. Alonso, G. Giménez, Universidad Politécnica de Madrid, Spain

CFD Analysis Of The Under Carbody Flow Of An ETR500 Train, D. Rocchi, F. Cheli, Politecnico di Milano, Italy, R. Gregoire, E. Guilloteau, Alstom Transport, France The Measurement Of Train Slipstream Characteristics Using A Rotating Rail Rig, N. Gil, C. J. Baker, C. Roberts, The University of Birmingham, UK

CFD Simulations On The Generation Of The Pressure Wave When A High-Speed Train Enters A Tunnel With Different Portal Modifications, M. Schlämmer, M. Hieke, Deutsche Bahn, Germany

XVI

Wednesday, July 23rd

Invited Lecture: Insights Into The Understandings Of Stay Cable Vibration, Prof. Nicholas P. Jones, Johns Hopkins University Baltimore, USA Experimental Investigations on Circular Cylinders – (10:00 – 12:40) Steady Galloping and Unsteady Galloping of Bluff Bodies associated with Mitigation of Karman Vortex Shedding, M. Matsumoto, T. Yagi, M. Hashimoto, T, Nakase, K. Maeta, K. Hori, Y. Kawashima, Kyoto University, Japan

Flow Induced Vibration Characteristics Of A Cylinder In Cross Flow At Low-Reynolds Numbers, M.H. Bahmani, M.H. Akbari Shiraz University, Iran

Static Response Coefficients from Dynamic Cable-Model Tests, T. L. Andersen, J. B. Jakobsen, University of Stavanger, Norway

Properties Of Unsteady Pressure Acting On A Circular Cylinder Oscillating In A Wake Of A Prism, M. Noda, F. Nagao, H. Wada, The University of Tokushima, Japan, H. Naitou Kyoto University, Japan

Displacement Probability Distribution In The Case Of Galloping Of Conductors Covered With A D Section On A High-Voltage Overhead Test Line, P. Van Dyke, IREQ; Canada, A. Laneville, Université de Sherbrooke, Canada

Vortex Induced Vibrations At High Reynolds Numbers, G. Diana, M. Belloli, S. Giappino, S. Muggiasca, Politecnico di Milano, Italy

Dry Galloping Characteristics and Its Mechanism of Inclined/Yawed Cables, M. Matsumoto, T. Yagi, T. Shima, M. Tanaka, H. Naito, H. Hatsuda, Kyoto University, Japan

LES Of Flows Around A Circular Cylinder In The Critical Reynolds Number Region, Y. Ono, Obayashi Corporation, T. Tamura, Tokyo Institute Of Technology, Japan Experimental Investigations on Buildings 2 – (13:40 – 15:40) – Parallel session

XVII

Equivalent Static Wind Loads On Tall Buildings, L. Facchini, S. Pastò, L. Procino, P. Spinelli, Università di Firenze, Italy

Non-Stationary Tornado-Induced Wind Loads Compared With Traditional Boundary Layer Wind Loads On Low-Rise Buildings, F. L. Haan, . P. P. Sarkar, V. K. Balaramudu, W. Zhang, Iowa State University, USA

Measurements On The Surface Wind Pressure Characteristics Of Two Square Buildings Under Different Wind Attack Angles And Building Gaps, B. S. Shiau, Academia Sinica, Taiwan, H. C. Chang National Taiwan Ocean University, Taiwan

Influence Of Higher Modes On The Dynamic Response Of Irregular And Regular Tall Buildings, S. M. J. Spence, M. Gioffrè, V. Gusella, University of Perugia, Italy

Wind Tunnel Tests On The Aeroelastic Behaviors Of Tension Structures, X. Sun, Y. Wu, Q. Yang, S. Shen, Harbin Institute Of Technology, China

Wind Induced Dynamics Of A Prismatic Slender Building With 1:3 Rectangular Section, A. Zasso, L. Rosa, G. Tomasini, A. Moussad, Politecnico di Milano, Italy Experimental Investigations on Buildings 3 – (16:00 – 17:20) – Parallel session The Interference Effect Of Surrounding Buildings On Wind Loads Of Low-Rise Buildings, Y. Sun, Y. Tamura, Y. Quan, M. Matsui, S. Xu, Tokyo Polytechnic University, Japan

Wind Loads On Open-Topped Oil Storrage Tanks, Y. Uematsu, C. Koo, K. Kondo, Tohoku University, Japan

Interference Excitation Mechanisms On Caarc Building Model, K. S. Wong, K. C. S. Kwok, P. A. Hitchcock, The Hong Kong University of Science and Technology, Hong Kong

Aeroelasticity Identification Of Square Buildings With Different Heights By Using Forced Actuation, J. C. Cheng Wu, Y. Y. Lin, C. H. Chang, Y. C. Chang, Tamkang University, Taiwan

XVIII

Wakes and Turbulence 1 – (13:40 – 15:40) – Parallel session The Interacting Wakes Of Two Flat Plates, F. Auteri, M. Belan, C. Cassinelli, G. Gibertini, Politecnico di Milano, Italy

Two-Equation Turbulence Models for Turbulent Flow over a NACA 4412 Airfoil at Angle of Attack of 15 Degree, O. Badran, Al-Balqà University, Jordan, R. Quadros, F. Aldudak, S. Jakirlic, C. Tropea, Technische Universitat Darmstadt, Germany

Drag Reduction Of Blunt Trailing-Edge Airfoils, J. P. Baker, C. P. Van Dam, Unversity of California, USA

Vortex Generators Effect On Low Reynolds Number Airfoils In Turbulent Flow, J. S. Delnero, J. M. Di Leo, M. Camocardi, D. François, J. Colman, Universidad Nacio-nal de La Plata, Argentina

Numerical Simulation Of Active Flow Control Based On Streamwise Vortices For A Blunt Trailing Edge Airfoil, A. N. Lahouti, H. Hangan, The University of Western Ontario, Canada

Wake Energy Redistribution Due To Trailing Edge Spanwise Perturbation, L S Doddipatla, H Hangan, V Durgesh, J W Naughton The University of Western Ontario , Canada Wakes and Turbulence 2– (16:00 – 17:00) – Parallel session Experimental And Numerical Results On Cavity Effects In Juncture Flow, B.J.C. Horsten, L.L.M. Veldhuis, Delft University of Technology, The Netherlands

Modeling Of Unsteady Turbulent Flow Past Roughened Circular Cylinders And Airfoils, M. Mamou, M. Beyers.. National Research Council Canada

Time-Averaged Phenomenological Investigation of a Wake Behind a Bluff Body, G.M.R. Van Raemdonck, M.J.L. Van Tooren, Delft University of Engineering, The Netherlands

Thursday, July 24th

XIX

Invited Lecture: Application of Aerodynamic Principles in the Design of Tall Buildings, Dr. Peter Irwin, Rowan Williams Davies & Irwin Inc., Canada Numerical Investigations on Buildings (10:00 – 13:00) Numerical Simulation Of Plume Dispersion Around An Isolated Cubic Building : Comparison Between RANS And LES Computations, Y. Tominaga, Niigata Institute of Technology, Japan, T. Stathopoulos, Concordia University, Canada Statistical Symmetries Of Flow-Induced Forces On Cylinders, Luigi Carassale University of Genova, Italy

Plume Buoyancy Effects in Pollution Dispersion Around a Cube, J. Abedi, M. Omidyeganeh, University of Calgary, Canada

Test Case Optimization Of An Urban Section, A. Borsani, S. Maltagliati, F. Martelli, L. Procino, Università degli Studi di Firenze, Italy

The Effect Of Wind-Driven Rain On Cladding Pressure Of Buildings Under Wind And Rain Conditions, E. C. C. Choi, City University of Hong Kong, HONG KONG

Numerical Simulation Of Turbulent Flow Around A Building Complex, H.S. Kim , S. Lee , C.B. Choi, K.S. Yang, Chungbuk National University, South Korea

Pod-Based Identification Of Modal Parameters From Wind-Induced Structural Response, H. J. Kim, H. J. Ham, B. Bienkiewicz Kangwon National University, Korea

Numerical Computation Of Air Flow And Pollution Dispersion Around Buildings, M. Omidyeganeh, J. Abedi, University of Calgary, Canada

The Use Of The Proper Orthogonal Decomposition For Simultaneously Analyzing The Pressure Fields On Two Structures, R. Flores-Vera, G. L. Larose, H. Tanaka, University of Ottawa, Canada 3D Flow on Cylinders – (14:00-16:00) – Parallel session Flow Around Wall-Mounted Cylinders With Different Geometries: Experiment And Simulation, S. Becker, I. Ali, T. Uffinger University of Erlangen-Nuremberg, Germany

XX

Flow Fluctuations And Vorticity Dynamics In The Near-Wake Of A Triangular Prism In Cross-Flow, G. Buresti, G. V. Iungo, Università di Pisa, Italy

Characteristics Of Surface Pressures On Prisms Immersed In A Transient Gust Front Flow Field, K. Butler, S. Cao, Y. Tamura, Tokyo Polytechnic University, Japan, S. Ozono, A. Kareem, University of Notre Dame, USA

Fluid Force Acting on a Cylindrical Pier Standing in a Scour, T. Tsutsui, The National Defense Academy, Japan Characteristics Of Along-wind Loads On Rectangular Cylinders In Turbulent Boundary Layer Flows, C. M. Cheng, M. S. Tsai. J. Wang, Tamkang University, Taiwan Sports and Vehicles 1 – (14:00 – 16:00) – Parallel session Aerodynamic Design Of A Formula Sae Race Car, R.G.J. Flay,

A. R.

Hammond, The University of Auckland, New Zealand

Downwind Sails Aerodynamics Analysis, F. Fossati, I. M. Viola, Politecnico di Milano, Italy

Aerodynamics Of Biker Position, G. Gibertini, G. Campanardi, D. Grassi, C. Macchi, Politecnico di Milano, Italy

Surface Flow And Wake Structure Of A Rear View Mirror Of The Passenger Car, J. H Kim, M. H. Lee, Y. O. Han, I. H. Hwang, U. H. Jung, Yeungnam University, Korea.

Wind Tunnel And CFD Modelling Of Pressures On Downwind Sails, P. Richards, W. Lasher, University of Auckland, New Zealand

Sports and Vehicles 2 – (16:20 – 17:20) – Parallel session Design Of An Aerodynamic Aid For The Under-body Of A Trailer Within A Tractor-Trailer Combination, G.M.R. Van Raemdonck, M.J.L. Van Tooren, Delft University of Engineering, Delft, The Netherlands

Investigation Of The Turbulent Flow Over A Simplified Car Model Using High Order LES, M. Minguez, E. Serre, R. Pasquetti, Univ. Aix –Marseille, France

XXI

Large-Eddy Simulation Of Unsteady Vehicle Aerodynamics And Flow Structures, T. Nakashima, M. Tsubokura, T. Nouzawa, T. Nakamura, H. Zhang, N. Oshima, Hiroshima University, Japan Numerical Investigations on Circular Cylinders – (16:00 – 18:00) – Parallel session The Effect Of Non-harmonic Forcing On Bluff-Body Aerodynamics At A Low Reynolds Number E. Konstantinidis, D. Bouris, Univeristy of Western Macedonia, Greece Investigation Into Numerical Modelling Of The Drag Crisis For Circular Cylinders, N. Botterill, H. Morvan, J. Owen University of Nottingham, UK

Numerical Investigation Of Low Reynolds Number Flow Around Two Circular Cylinders In Tandem, E. Didier

and B. António, MARETEC

Instituto Superior Tecnico, Lisboa, Portugal

Analytical Models For The Lift And Drag Forces On Rotationally Oscillating Cylinders, I. Janajreh, Massachusetts Institute of Technology, USA, M. Hajj, Virginia Tech, USA

Simulation Of Sea Current Vortex Shedding Induced Vibrations In The Nemo Tower, F. Fossati, G. Fichera, Università degli Studi di Catania, Italy

A New General 3DOF Quasi-Steady Aerodynamic Instability Model, H. Gjestrup, A. Larsen, COWI A/S, Denmark, C. Georgakis, H. Koss, FORCE, Denmark POSTER SESSION Dynamical Analysis Of The Cross-Wind Response Of A Vibrating Tall Industrial Chimney Due To Turbulent Wind Flow, P. Gòrsky, Opole University of Technology, Poland

CFD Verification Of Aerodynamic Devices Performance For The Messina Strait Bridge, F. Nieto, S. Hernandez, University Of La Coruna, A. Zasso, D. Rocchi, Politecnico di Milano, Italy

Investigation On The Dependence Of Bridge Deck Flutter Derivatives On Steady Angle Of Attack, C. Mannini, G. Bartoli University of Florence, Italy

XXII

Drag And Lift Coefficients For Wind Loads On Louvered Highway Signs, M. R. Hajj, C. Mesrobian, Virginia Tech, USA

Aerodynamic Loads On Porous Fabrics And Meshes, A. Scarabino, J. S. Delnero, M. Camocardi, M. Giannecchini, M. Martínez, Universidad Nacional de La Plata, Argentina

Transient Gust Effects On Flow Past A Bluff Body, N. Murgai, F. L. Haan, Iowa State University, USA

Vortex Shedding Induced Vibrations Of A Light Mast, B. Bessason, J. T. Snæbjörnsson University of Iceland, Iceland Field Observations Of Wind-Induced Mast-Arm Lighting Pole Vibration, D. Zuo, C. Letchford Texas Tech University, USA

Wind Tunnel Tests On Natural Ventilation In The Historical Bulding ‘Palazzo Pitti’ L. Procino, G. Bartoli, C. Balocco, G. Grazzini, A. Borsani, Università degli Studi di Firenze, Italy

Numerical Investigation Of The Flow Around A Rectangular Cylinder Near A Solid Wall, S. Malavasi, N. Trabucchi, Politecnico di Milano, Italy

Assessment Of Structural Capacity Of An Overhead Power Transmission Line Tower Under Wind Loading, S. Banik, H. Hong, G. A.Kopp University of Western Ontario, Canada

Chaotic Vibrations In A Buckled Beam Induced By A Galloping Phenomenon, A. Barrero-Gil, G. Alonso, Universidad Politecnica Madrid, Spain

Wind Resistant Design Of 2MW, E-82 Wind Turbines In Earthquake-Prone Areas In Italy, C. Borri, G. Bartoli, P. Biagini, E. Marino, S. G. Morano, S. Matthiesen, P. Papadopoulos Università Degli Studi di Firenze, Italy

Evaluation of the Collector for Bluff Body Testing in an Open Test Section Wind Tunnel, K. P. Garry, J. Holt, M. Chauvet, Cranfield University UK

A LES/RANS Hybrid Simulation Of Canopy Flows, S. Iizuka, H. Kondo, National Institute of Advanced Industrial Science and Technology (AIST), Japan

Design Wind Loads On A Wind Turbine For Strong Wind H. Kawai, K. Michishita, A. Deguchi, Kyoto University Gokasyo, Japan

XXIII

Fluctuating Wind Velocity Characteristics Of The Wake Of A Conical Hill That Cause Large Horizontal Response Of A Cantilever Model, K. Kimura, K. Toyoda, K. Takakura, K. Kato, Y. Kubo, Kyushu Institute of Technology, Japan

Safety Analysis On A Prismatic Body Undergoing Flow-Induced Vibration Using ‘Decision Tree’, R.Ajith Kumar, V. Sugumaran, B.H.L. Gowda, C.H. Sohn Kyungpook National University, South Korea

Diagnosis Of Fatigue Collapses Of Slender Structures Due To Aerodynamic Wind Actions, M. P. Repetto, G. Solari University of Genoa, Italy

Compressible Flow CFD Method From Very Low Mach Number Flow With Sound To Hypersonic Flow, E. Shima, Japan Aerospace Exploration Agency, Japan

Extended Lattice Boltzmann Equation for Simulation of Flows around Bluff Bodies in High Reynolds Number, T. C. Liu, G. Liu, W. Wu, X. Zhang, Y. Ge China Highway Planning and Design Institute, China

Mechanism On Reduction Of Aerodynamic Forces And Suppression Of Aerodynamic Response Of A Square Prism Due To Separation Interference Method, Y. Kubo, K. Hayashida, T. Noda, K. Kimura, Kyushu Institute of Technology, Japan

Wind Action Evaluation On Tension Roofs Of Hyberbolic Paraboloid Shape, F. Rizzo, P. D’Asdia, L. Procino Università degli Studi “G. D’Annunzio”, Chieti-Pescara, Italy

Some Considerations On The Aerodynamics Of High Speed Pantograph: CFD And Wind Tunnel Tests, R. Gregoire, Alstom Transport, France, A. Collina, F. Resta, D. Rocchi, Politecnico di Milano, Italy POSTER SESSION High Speed Train Aerodynamics Comparison Between Field Measurements And Numerical Simulations Of The Wind Speed Along The HS/HC Rome-Naples Railway Line, A. Freda, G. Solari, A. Torrielli, Università di Genova, Italy, A. Buonanno, M. Mancini, M. Testa, RFI, Rete Ferroviaria Italiana, Italy

XXIV

Aerodynamic Forces On Multiple Unit Trains In Cross Winds, C.J. Baker, M. Sterling, A. Bouferrouk, The University of Birmingham, UK, H. O’ Neil, S. Wood, Interfleet technology Ltd, UK, E. Crosbie, RWDI Anemos Ltd. UK

Recent Development Of Numerical Simulation for Aerodynamics Of High-Speed Trains: Wind Gust Modeling And Shape Optimization, S. Krajnović, Chalmers University, Sweden

Improved Methodologies For The Analysis Of The Crosswind Stability Of Railway Vehicles, A. Carrarini, DLR, Germany. Crosswind Stability Of High-Speed Trains: A Stochastic Approach, C. Proppe, C. Wetzel, Universitat Karlsruhe, Germany

Structural Deformation Caused By Aerodynamic Excitations During The Passing Of Maglev Vehicles, S. Monaco, F. Dignath, ThyssenKrupp Transrapid, Germany

Pressure Measurement On Real High-Speed Trains Travelling Through Tunnels, A. Martinez, E. Vega, J. Gaite, J. Meseguer, Universidad Politécnica de Madrid, Spain

Sensitivity Of The Wave-Steepening In Railway Tunnels With Respect To the Friction Model, S. Adami, H. J. Kaltenbach, Detusche Bahn, Germany

Risk Analysis Of Cross Wind On HS/HC Rome-Naples Railway Line, F. Cheli, D. Rocchi, F. Ripamonti, G. Tomasini, Politecnico di Milano, M. Testa; RFI, Italy

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SOCIAL EVENTS

20th JULY WELCOME DRINK We will have the pleasure to offer you a refreshing drink during the pre-registration From 5 pm on at the congress venue: Campus Bovisa Atrio Grande Capannone

21st JULY WELCOME PARTYIn a unique atmosphere we will enjoy an Italian cocktail Sponsored by Comune di MilanoMeeting point 8:30 pm in PALAZZO REALE, Piazza Duomo, 12 Milano

22nd JULY 6:30 pm (just at the end of the afternoon session) BBAA General Assembly7:30 pm (just at the end of the BBAA GA) IAWE Executive Board Meeting

23rd JULY GALA DINNERThe Congress Social Dinner will be hosted at VILLA PARRAVICINI with its splendid view COMO LAKE and its wonderful landscapes.Sponsored by Ansaldo BredaMeeting point at 6:30 pm: CAMPUS BOVISA The bus will take 1.30 hour each wayThe way back is foreseen at 11pm and 12

VIII

C

M

Y

CM

MY

CY

CMY

K

EVENTS_p8.pdf 11/07/2008 18.01.00