8th International Colloquium on Bluff Body Aerodynamics and Applications Northeastern University, Boston, Massachusetts, USA 7-11 June, 2016

COLLOQUIUM PROGRAM

Conference Venue: The main venue of the conference is the Curry Student Center, located on the main campus of Northeastern University (NEU), 360 Huntington Avenue, Boston, 02115 Massachusetts (USA). All activities (unless otherwise noted) will be held in this building. Important notes for Presenters and Session Chairs:  Please take a moment to familiarize with the color-coded designation of each text box item, used in this program: Registration and information times Opening and closing ceremonies, IAWE award ceremony Plenary lectures Parallel technical sessions Lunches and breaks with poster presentation Conference dinner, receptions and other breaks (without poster presentation) Special meetings, committee meetings and meetings by invitation only  Every oral presentation, other than those in the plenary sessions, is scheduled for 15 minutes (12 min. for presentation, 2 min. for questions and 1 min. for transition). Session chairs are kindly asked to strictly enforce the schedule.  All posters (for poster presentation) must be set up on the designated poster board in the Indoor Quad – 1st Floor area of the Curry Student Center before the first break of the day. The presenter should be available to answer questions during both the first morning break and at lunchtime. Posters should be a maximum of 180 cm wide (6 feet) and 120 cm high (4 feet). A sign indicating abstract/paper ID will be visible on the designated poster board.

TUESDAY, 7 JUNE 2016 Colloquium Registration 6:00pm-8:00pm (NEU Visitor Center, West Village F: Building 23F on campus map)

Ice Breaker Reception 6:30pm-8:30pm (NEU Visitor Center, West Village F: Building 23F on campus map)

Principal 1 Organizers:

BBAA VIII

WEDNESDAY, 8 JUNE 2016 Colloquium Registration 8:00am-4:00pm (Curry Student Center - Indoor Quad, 1st Floor) (Curry Student Center: Bldg. 50 on campus map)

Opening Ceremony (Curry Student Center - Ballroom) Opening remarks by: Luca Caracoglia (Colloquium Chairman), Ahsan Kareem (IAWE President), 8:30am-9:00am Arthur F. Kramer (Senior Vice-Provost for Research, NEU), Thomas C. Sheahan (Senior Associate Dean For Academic Affairs, College of Engineering, NEU)

Plenary Lecture 1 (Curry Student Center - Ballroom) 297. Plant-wind Interactions, from Small Leaves to Canopies 9:00am-10:00am Emmanuel de Langre, Ecole Polytechnique, (Moderator: Luca Caracoglia)

10:00am-10:15am BBAA VIII Group Picture

Coffee Break & Poster Session P1 (buildings and Coffee Break & Poster Session P2 (bluff-body large structures) (Curry Student Center – Indoor aerod.) (Curry Student Ctr. - Indoor Quad, 1st Quad, 1st Floor) Floor) 110. Assessment of wind loads on gable and hip 53. Wind tunnel tests and numerical simulation roof buildings through large scale testing at the of time-varying aerodynamic forces on straight Wall of Wind experimental facility blades of a vertical axis wind turbine Garth Arch, Mohammadtaghi Moravej, Yixin Peng, You-Lin Xu, Sheng Zhan Bodhisatta Hajra, Ioannis Zisis, Arindam Gan Chowdhury, Peter Irwin, Wimal Suaris 160. Studies on interference effects of building 74. Aerodynamic interference between high- models exposed to tornado-like vortex speed railway vehicle and viaduct under cross 10:15am-10:45am Sabareesh GR, Shuyang Cao, Jin Wang, Masahiro wind Matsui, Yukio Tamura Xu-hui He, Yun-feng Zou, Han-feng Wang 41. Aerodynamic optimization of two large span 236. Numerical analysis of wind loads on a structures by CFD-oriented synthetic method container ship: validation and impact of Yi Yang, Yan Xiao geometrical simplifications Wendy Janssen, Bert Blocken, Herm Jan van Wijhe 214. Wind-induced internal pressure of building 252. Investigation of wind pressure of translating with roof opening by wind tunnel tests tornado on spherical dome structures Shouke Li, Shouying Li, Zhengqing Chen, Xiuyong Jiahao Zu, Guirong Yan, Chao Li Wang, Jianda Yu, Hongxin Sun

Curry Student Center - Curry Student Center - Room Curry Student Center – Ballroom 318-322 Room 333

A1: Fluid-structure interaction B1: Environmental flows – full C1: Bluff-body aerodynamics – – galloping, aerodynamics and scale, CFD and experimental circular cylinders wakes methods (Session Chair: G. Bartoli) (Session Chair: G. Piccardo) (Session Chair: G. Bitsuamlak) 10:45am-11:00am 44. Galloping of transversely 202. Seasonal variability of near- 108. Drag coefficients for rough inclined slender cylinders ground Bora turbulence circular cylinders revisited Zeng-shun Chen, Kam Tim Tse, Petra Lepri, Željko Večenaj, John Holmes K. C. S. Kwok, Gang Hu Hrvoje Kozmar, Branko Grisogono 11:00am-11:15am 167. Aerodynamic coupling 18. Investigation on wind 244. Prediction of wind-induced effect and non-linear behavior characteristics for large span dynamic response of overhead

Sponsors: 2

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[email protected] http://www.northeastern.edu/bbaa8/ of conductor galloping bridge site in sharp and desolate transmission lines Hisato Matsumiya, Takashi gorge with high altitude Dahai Wang, Xinzhong Chen, Lin Nishihara, Tomomi Yagi Yongping Zeng, Shuai Zhou, Yang Kejian Chen 11:15am-11:30am 277. Bluff body shear layer 122. RANS and LES simulations 162. Experimental study on the control of the 2D square prism with validation for cross- aerodynamic behavior of a wake ventilation flow in a generic circular cylinder with perforated Daniel Lander, Daniel Moore, enclosure shrouding Michael Amitay, Chris Letchford Twan van Hooff, Bert Blocken, Marco Belloli, Sara Muggiasca, Yoshihide Tominaga Lorenzo Rosa, Alberto Zasso 11:30am-11:45am 63. Predicting galloping of an 177. Experimental modelling of 153. Fluctuating pressure acting elliptical cylinder using a non- stratification effects for on leeward circular cylinder of linear quasi-steady model atmospheric boundary layer fixed tandem circular cylinders Arash Raeesi, Shaohong Cheng, using wind tunnel simulation Minoru Noda, Shinya Onishi, David S.-K. Ting S. Kuznetsov, S. Pospíšil, M. Fumiaki Nagao Macháček, V. Michalcová, V. Uruba, P. Jonáš, H. Kozmar 11:45am-12:00pm 228. Vorticity evolution in the 99. Stadia and arenas: 55. Pressure distribution around wake of an accelerating sphere aerodynamics and beyond circular cylinders with porous Mathew Marzanek, Clinton Robin Stanfield, Stefano layer coating in the lee and flow Bond, John N. Fernando, David Cammelli, Richard Wood analysis E. Rival Katharina Klausmann, Bodo Ruck

Lunch & Poster Sessions P1 and P2 - continued 12:00pm-1:00pm (Curry Student Center – Indoor Quad, 1st Floor)

Curry Student Center - Curry Student Center - Room Curry Student Center – Ballroom 318-322 Room 333

A2: Fluid-structure interaction - B2: Tall buildings – CFD and C2: Bluff-body aerodynamics – vortex shedding and VIV wind tunnel methods CFD (Session Chair: Y. Modarres- (Session Chair: J. Galsworthy) (Session Chair: S. Cao) Sadeghi) 1:00pm-1:15pm 38. Numerical investigation of 113. Wind pressure distribution 253. Optimizing the vortex induced vibrations of on a high-rise building in an aerodynamics of bluff bodies wavy cylinders urban area using LES based on a using CFD-based surrogate Kai Zhang, Hiroshi Katsuchi, Dai coherent structure model modeling Zhou, Hitoshi Yamada Pham Van Phuc, Tsuyoshi Nozu, Fei Ding, Seymour M. J. Spence, Hirotoshi Kikuchi, Masahiro Ahsan Kareem Matsui, Yukio Tamura 1:15pm-1:30pm 216. Vortex shedding and 258. Wind pressure prediction 235. A practical verification and transition to lock-in of a square by Large-Eddy Simulation for validation approach for prism in cross-flow oscillation high-rise building with inner Computational Wind Engineering Lorenzo Banfi, Luigi Carassale, balcony and corner cut simulations using an Andrea Freda Takamasa Hasama, Yoshiaki Itoh, experimental design technique Koji Kondo, Manabu Yamamoto, Reamonn Mac Reamoinn, Tetsuro Tamura, Mitsuo DongHun Yeo Yokokawa 1:30pm-1:45pm 178. Non-linear modelling of 224. Multi-scale methodology to 279. Finite element based large aerodynamic damping in vortex assess wind loads on building eddy simulation of a flow over induced vibrations louvers an oscillating cylinder Francesca Lupi, Hans-Jürgen Daniele Rocchi, Tommaso Reed Cummings, Steven Tran, Niemann, Rüdiger Höffer Argentini, Andrew Allsop, Luca Onkar Sahni Amerio, Luca Bernini, Sergio Racco 1:45pm-2:00pm 29. Translational vortex-induced 12. Mitigating wind-induced 104. RANS and hybrid LES/RANS

Principal 3 Organizers:

BBAA VIII

vibration simulation based on response of a tall building with simulations of flow over a square fixed mesh using moving an innovative façade system cylinder reference frame Gang HU, Kenny C. S. Kwok, K.T. Jianghua Ke, DongHun Yeo Qingliang Zhan, Zhiyong Zhou, Tse Yaojun Ge 2:00pm-2:15pm 176. Vortex and flow induced 256. Using detached eddy 201. Reactive plume dispersion vibration of two circular simulation to supplement code over idealized urban roughness cylinders in tandem by based wind design for an Zhangquan Wu, Chun-Ho Liu numerical simulation irregular observation tower Gabriel Fernando Narváez, Edith Xiaoye YuPaul Tsang, Alex To, Beatriz Schettini, Jorge Hugo Andrew Allsop Silvestrini 2:15pm-2:30pm 26. Flow around a finite circular 255. High performance 205 Computational studies of cylinder coated with porous computation by BCM-LES on pressure distribution around media flow and pressure field around a bending 5:1 rectangular Haidong Yuan, Chao Xia, Yu buildings cylinder Chen, Zhigang Yang Tetsuro Tamura, Hidenori Kawai, Dinh Tung Nguyen, David Kazuaki Uchibori, Rahul Bale, Hargreaves, John Owen Keiji Onishi, Makoto Tsubokura, Koji Kondo, Tsuyoshi Nozu 2:30pm-2:45pm 165. Comparison of structural 209. Flow enhancement in tall 242. Turbulence model form mode effects on bending and buildings for wind energy uncertainty quantification for tension dominated flexible generation bluff body RANS simulations cylinders in VIV Ehsan Hassanli, Seyed Amir Stephanie Zéoli, Laurent Ersegun Gedikli, Jason Dahl Hosein Jafari, Kenny C. S. Kwok Bricteux, Catherine Gorlé 2:45pm-3:00pm 87. Experimental study on 47. Simultaneous measurement 51. LES study of stratification aerodynamic vibrations of of wind velocity field and wind effects on aerodynamic rectangular cross sections forces on a square building characteristics of flow past a having low side ratios Gongbo Zu, Kit Ming Lam, Lu horizontal rectangular cylinder in Kazutoshi Matsuda, Kusuo Kato, Cheng a channel of finite depth Yusuke Tamai, Kentaro Suda Haotian Dong, Shuyang Cao, Yaojun Ge

Coffee Break 3:00pm-3:30pm (Curry Student Center – Indoor Quad, 1st Floor)

Curry Student Center - Curry Student Center - Room Curry Student Center – Ballroom 318-322 Room 333

A3: Bridge aerodynamics – B3: Tall buildings and slender C3: Bluff-body aerodyn. - buffeting and flutter structures – modeling and experiments, full-scale (Session Chair: Y. Ge) special issues methods (Session Chair: K. C. S. Kwok) (Session Chair: D. Zuo) 3:30pm-3:45pm 166. Sectional model tests of 23. A simplified method for peak 120. Analyzing nonstationary tandem bridge decks in dynamic factors of non-Gaussian wind wind characteristics of typhoon suspension systems pressures Chan-hom measured atop the Pierre-Olivier Dallaire, Zachary Xiang Zhuang, Xin Dong, Yimin Shanghai World Financial Taylor, Stoyan Stoyanoff, RWDI Zheng, Xin Zhao Center Zifeng Huang Ming Gu 3:45pm-4:00pm 220. A concept and 282. A generalized gust factor 140. An experimental identification of pressure modal technique for the evaluation of investigation of the unsteady admittance for distributed wind–induced vibrations of pressures on rectangular fluctuating pressures on bridge slender structures cylinders in a non-stationary decks Luisa Carlotta Pagnini, Giuseppe wind field Zhongxu Tan, Ledong Zhu, Qing Piccardo Matthew Mason, Tierney

Sponsors: 4

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[email protected] http://www.northeastern.edu/bbaa8/ Zhu, Youlin Xu, George, Oliver Paxton, Evmen Wong, Ting Yang 4:00pm-4:15pm 267. Identification of six- 223. A fully-coupled generalized 22. Experimental investigation component aerodynamic model for multi-directional wind of aeroelastic instability of admittance functions of a flat loads on tall buildings: a square-section cylinders closed-box bridge deck and its development of the quasi-static Cung H. Nguyen, John H. G. verification theory Macdonald, Stefano Cammelli Le-Dong Zhu, Zi-Ran Xu, Qi Wei Cui, Luca Caracoglia Zhou, Quan-Shun Ding 4:15pm-4:30pm 189. Effects of nonstationarity 115. Aerodynamic behavior of 275. The assessment of an inlet on nonlinear bridge 1000m-high super tall buildings turbulence generator for urban aerodynamics Bo Li, Qingshan Yang, Giovanni wind flows Teng Wu, University at Buffalo Solari Dominic Flynn, Hassan Hemida, Chris Baker 4:30pm-4:45pm 77. A new technique of 195. Large Eddy Simulation of 278. The influence of synchronous multi-strip force contaminant dispersion from freestream turbulence measurements for span-wise weak wind region behind a approach trajectory on the bluff correlation of buffeting forces building body aerodynamics of a square Lei Yan, Le-Dong Zhu, Richard G. Hiroki Ono, Koichi Sada prism J. Flay Daniel Lander, Michael Amitay, Gregory A. Kopp, Chris Letchford 4:45pm-5:00pm 144. Buffeting loads on high-rise 271. Adaptive mesh refinement 157. Flow and turbulence in the and long-span structures strategy for CFD based boundary layer wind tunnel Kristoffer Hoffmann, Robin aerodynamic analysis of a cubical controlled using various George Srouji, Svend Ole bluff object hardware devices Hansen Tibebu H. Birhane, Girma T. Sergey Kuznetsov, Matko Bitsuamlak Ribičić, Stanislav Pospíšil, Mihael Plut, Arsenii Trush, Hrvoje Kozmar 5:00pm-5:15pm 262. Buffeting response analysis 42. Determination of peak factors 24. Effects of oncoming flow of a long-span suspension of non-Gaussian wind pressures conditions on the aerodynamic bridge under non-stationary Fuyou Xu, Xingliang Ma forces of a cantilevered square winds in mountain area prism Yanwen Su, Guoqing Huang Hanfeng Wang, Si Peng, Xuhui He, Yu Zhou 5:15pm-5:30pm 8. Multi-stage indicial functions 245. Aerodynamic shape 237. Numerical simulation of and post-flutter simulation of optimization of tall buildings flow around a circular cylinder: long-span bridges using twisting and corner comparison of LES and URANS Zhitian Zhang modifications turbulence models Ahmed Elshaer, Girma Fabio Malizia, Peter Hespel, Bert Bitsuamlak, Ashraf El Damatty Blocken

IAWE Board Meeting 6:30pm-8:30pm (Dinner by Invitation only, NEU Faculty Club, 716 Columbus Place, 6th Floor)

Principal 5 Organizers:

BBAA VIII

THURSDAY, 9 JUNE 2016 ASCE Environmental Wind Engineering Committee Meeting 8:00am-9:00am (Curry Student Center – Room 348) (Curry Student Center: Bldg. 50 on campus map) Colloquium Registration 8:30am-4:00pm (Curry Student Center - Indoor Quad, 1st Floor)

Curry Student Center - Curry Student Center - Room Curry Student Center – Ballroom 318-322 Room 333 A4: Bridge aerodynamics – B4: Modeling and simulation of C4: Aerodynamics of large flutter thunderstorm-downburst loads structures (Session Chair: S. Pospíšil) (Session Chair: X. Chen) (Session Chair: Rüdiger Höffer) 9:00am-9:15am * 14. A generic model for the A2 130. Monte Carlo simulation of 185. Pressure differences across instability of bluff bridge decks thunderstorm outflows and the shell of a hyperbolic natural- Allan Larsen wind-excited response of draft cooling tower exposed to structures stationary tornado-like vortices Giovanni Solari, Davide Rainisio Jinxin Cao, Shuyang Cao, Lin Zhao, Yaojun Ge 9:15am-9:30am 134. Numerical investigations on 183. Time-frequency domain 265. Wind load characteristics the soft flutter characteristics for modeling framework for non- and wind induced response of a bridge deck stationary aerodynamic load saddle-shape cable nets roof in Xuyong Ying, Fuyou Xu, Zhe effects different terrains Zhang Ahsan Kareem, Yanlin Gao, Liang Fanghui Li, Xinzhong Chen, Ming Hu Gu 9:30am-9:45am 152. Effects of ice accretion on 284. Full-scale downburst 161. Effects of wind girders on the risk of flutter damage versus boundary layer the buckling of open-topped oil Zachary Taylor, Pierre-Olivier wind tunnel pressures: a survey storage tanks under static wind Dallaire, Peter Irwin, Stoyan analysis loading Stoyanoff Acir M. Loredo-Souza, Elias G. Jumpei Yasunaga, Takayuki Lima, Matthew B. Vallis, Marcelo Yamaguchi , Yasushi Uematsu M. Rocha, Adrian R. Wittwer, Mario Gustavo K. Oliveira 9:45am-10:00am 212. Mitigation of the torsional 46. Effects of wind direction and 131. Wind-induced load effects flutter phenomenon of bridge roof shape on unsteady wind on free-standing lattice towers deck section during a lifting pressure on a low rise building Ileana Calotescu, Giovanni Solari phase under a short-rise-time gust Thomas Andrianne, Vincent de Takashi Takeuchi, Junji Maeda, Ville de Goyet Ryota Kawakami, Naohiro Takeuchi 10:00am-10:15am 243. Flutter analysis of the 97. Investigation of a downburst 170. Fluctuating pressure and Stonecutters Bridge model loading event on a full-scale low- loading Effect on full-scale Fan Feng, Elena Dragomirescu, rise building cooling tower considering Ayman Sabri Franklin T. Lombardo, Matthew incoming turbulence S. Mason Lin Zhao, Yaojun Ge, Ashan Kareem 10:15am-10:30am 276. Effect of initial conditions 217. Non-synoptic wind-induced 31. Wind-induced responses of a and grid refinement on bridge effects on linear bluff-body 200 m high cooling tower based- flutter calculations using CFD aerodynamics on full aero-elastic model and HPC Jianming Hao, Teng Wu Yun-feng Zou, Xu-hui He Panneer Selvam, Harold Bosch

Sponsors: 6

b

[email protected] http://www.northeastern.edu/bbaa8/ Coffee Break & Poster Session P3 (bridges / cables) Coffee Break & Poster Session P4 (bluff-body (Curry Student Center - Indoor Quad, 1st Floor) aer.) (Curry Student Ctr. - Indoor Quad, 1st Fl.) 32. Studies on aerostatic instability mode of new 93. An analysis of the influence of a tornado suspension bridge with double main spans generator’s geometry on the flow field Qiang Zhou, Shuyang Cao, Haili Liao, Mingshui Li Stefanie Gillmeier, Mark Sterling, Hassan Hemida 17. Laboratory measurements on conversion factor 111. An improved inflow turbulence generator 10:30am-11:00am of high-mode Vortex-Induced Vibration (VIV) for LES evaluation of wind load on high-rise amplitude between a flexible bridge and 1:1 section building model Yuanlin Yu, Yi Yang, Zhuangning Xie Shuai Zhou, Zhengqing Chen 66. Coupling and nonlinearity and spanwise 213. Study of interference effects on wind- correlation in aerodynamic force of a rectangular induced response for cooling towers in power cylinder plant Qi Wang, Haili Liao, Jiawei Wan Huawei Niu, Xuan Zhou, Zhengqing Chen, Wei Zhang

Plenary Lecture 2 (Curry Student Center - Ballroom) 114. Aerodynamics and structural health monitoring of long-span cable-supported bridges 11:00am-12:00pm You-Lin Xu, The Polytechnic University, China (Moderator: A. Kareem) IAWE Award Ceremony (Curry Student Center - Ballroom) 12:00pm-12:10pm Moderators: Ahsan Kareem (IAWE President), Giovanni Solari (Chairman, IAWE Award Committee) Lunch & Poster Sessions P3 and P3 - continued 12:10pm-1:00pm (Curry Student Center – Indoor Quad, 1st Floor) Curry Student Center - Curry Student Center - Room Curry Student Center – Ballroom 318-322 Room 333

A5: Stay and cable aerodynamics B5: Tornadic flows and loads on C5: Wind energy systems

(Session Chair: G. Larose) building structures (VAWT, HAWT) C5 ends 3:15 pm

(Session Chair: M. Sterling) (Session Chair: A. Zasso) 1:00pm-1:15pm 285. Stall-type galloping and its 251. Laboratory investigation of 156. Experimental study on the aerodynamic stabilization of stay- the effect of tornado translation wake characteristic of a vertical cables of cable-stayed bridges on its near-ground flow field axis wind turbine Tomo Tanaka, Masaru Alireza Razavi, Partha P. Sarkar Houigab Jeong, Soon-Duck Kwon Matsumoto, Hiroshi Ishizaki, Hiroshi Kibe 1:15pm-1:30pm 80. Aerodynamic responses of 105. Simulations of tornado-like 141. Blockage corrections in stay cables with multiple spiral- vortices in a large scale Ward- wind tunnel tests of Darrieus protuberances in low Scruton type tornado simulator wind turbine number range Zhuo Tang, Changda Feng, Liang Houigab Jeong, Seungho Lee, Duy Hung Vo, Hiroshi Katsuchi, Wu, Delong Zuo, Darryl James Soon-Duck Kwon Hitoshi Yamada, Ippei Sasaki, Eiichi Ookado, Ryohei Ariji 1:30pm-1:45pm 86. Influence of wind direction 192. Development of a 3D 179. Perturbation methods for and atmospheric turbulence tornado wind field model the reliability analysis of flow- wind-induced vibrations of ice- Jin Wang, Weichiang Pang, induced dynamic instabilities of accreted bridge cables Shuyang Cao, Fanfu Fan wind turbine blades Stanislav Pospíšil, Arsenii Trush, Pariya Pourazarm, Luca Sergey Kuznetsov, Hrvoje Kozmar, Caracoglia, Matthew Lackner, Jiří Náprstek Yahya Modarres-Sadeghi 1:45pm-2:00pm 187. Two-dimensional numerical 132. Effect of equivalent height, 15. Time domain analysis of simulation of wake interference surface area and volume of the unsteady aerodynamic forces on effects on suspension bridge dome to prism on tornado a parked wind turbine tower

Principal 7 Organizers:

BBAA VIII

hanger cables forces using CFD subjected to high winds Zhiwen Liu, Huixing Gong, Majdi Yousef, Panneer Selvam Gholamreza Amirinia, Sungmoon Zhengqing Chen Jung 2:00pm-2:15pm 116. Investigation on the dynamic 60. Experimental study on 64. Aeroelastic model tests of a behavior of an OHL conductor tornado-induced wind pressures wind turbine blade for validating bundle with light and heavy ice on a low-rise building load prediction in time domain accretion Jin Wang, Shuyang Cao, Heather Scot Sauder, Partha P. Dominik Stengel, Mathias Clobes, Weichiang Pang, Jinxin Cao Sarkar Klaus Thiele 2:15pm-2:30pm 148. Effects of a helical fillet on 241. The effect of building 286. Aerodynamic shape the wind-induced response of openings on the structural tailoring of ultra-tall wind bridge cables in dry conditions reactions in a light wood-frame turbine towers Kunihiro Yamauchi, Hidesaku structure under tornado loading Yanlin Guo, Yan Fang, Fei Ding, Uejima , Sean McTavish, Guy David Roueche, David Prevatt, Yahya Kurama, Ahsan Kareem Larose Frederick Haan 2:30pm-2:45pm 296. Optimization of bridge cables 6. Debris flight in tornadoes 250. Integration of wind turbines with concave fillets Chris Baker in tall buildings for wind power Celeste Burlina, Christos T. generation Georgakis, Søren V. Larsen, Seyed Amir Hosein Jafari, Kenny Philipp Egger Chung Sau Kwok, Ehsan Hassanli 2:45pm-3:00pm 164. Enabling analytical 136. Increase the performance formulation for the tornado- of Savonius wind rotor via a induced dynamic response of straight and arc-shaped curtain tall buildings Zhiqiang Li, Dabo Xin Thai-Hoa Le, Luca Caracoglia 3:00pm-3:15pm Coffee Break Coffee Break 196. The load of the wind turbine structure by a continuous wind direction fluctuation Koji Nishimura, Hironori Kikugawa, Jun Kaneto

Coffee Break 3:00pm-3:30pm (Curry Student Center - Indoor Quad, 1st Floor)

Curry Student Center - Curry Student Center - Room Curry Student Center –

Ballroom 318-322 Room 333 A6: Bluff-body aerod. and FSI of B6: Special topics in C6: Train, vehicle and ship rectangular cylinders and environmental flows, debris and aerodynamics special structures multiple-hazard simulation (Session Chair: C. Baker) (Session Chair: H. Yamada) (Session Chair: J. Holmes) 3:30pm-3:45pm 101. On the Reynolds-number 102. Experimental and numerical 90. Effect of ground sensitivity of vortex-ring modeling of fire spotting configuration on the formation in the wake of phenomenon aerodynamic forces and accelerating elliptical flat plates Ali Tohidi, Nigel B. Kaye moments of a train with open John N. Fernando, David E. Rival underbody Hassan Hemida, Daniele Rocchi, Andrew Quinn, Gisella Tomasini 3:45pm-4:00pm 151. A 2DOF analysis model for 34. A preliminary CFD study of 168. Fluctuating aerodynamic vibration of flexible envelope the impact of wind heterogeneity force on railway vehicle under with a dominant opening and its on the flight of compact debris in crosswind using large-eddy verification a 2-D urban canyon simulation Jingyao Zhang, Gregory A. Kopp Nigel Kaye, Arash Karimpour Koji Nakade, Yuhei Noguchi, Katsuhiro Kikuchi

Sponsors: 8

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[email protected] http://www.northeastern.edu/bbaa8/ 4:00pm-4:15pm 73. Direct measurement 248. Comparison on wind effects 219. Combined effects of vehicle compared to the quasi-steady of tornadic and straight-line wind body geometry and drag approach to determine the fields on spherical dome reduction techniques on drag unsteady forces on an inclined structures coefficient D-section cylinder Yi Zhao, Guirong Yan, Jiahao Zu, G. Abhishek, Ramsankar Karine Lavertu, Hachimi Fangping Yuan, Isaac M. Veerakumar, M. Sreesankaran, Fellouah, André Laneville Kakkattukuzhy G. R. Sabareesh, N. Jalaiah 4:15pm-4:30pm 62. Modeling the wind-structure 89. Numerical simulation of the 181. Vibration of highway interaction of inflatable radomes impact force by a falling sphere Variable Message Signs caused with numerical simulation in air by wind and truck-induced gusts Anthony A. DiCarlo, Sarah E. Takashi Nomura, Koutaro Harold Bosch, Cezary Briggs, Jonathan T. Sullivan Watanabe Bojanowski, Steven Lottes, Jerry Shen 4:30pm-4:45pm 204. Wind tunnel studies of 139. A hybrid stochastic wave 273. 3D RANS simulations of pressure distribution around a and proper orthogonal wind loads on large passenger 5:1 rectangular cylinder decomposition-based simulation ships in the Rotterdam Cruise Dinh Tung Nguyen, John Owen, approach for multivariate Terminal David Hargreaves nonstationary wind turbulence Wendy Janssen, Bert Blocken, processes Herm Jan van Wijhe Liuliu Peng, Guoqing Huang, Xinzhong Chen, Ahsan Kareem 4:45pm-5:00pm 288. Vortex-shedding 264. Evaluation of joint multiple 57. Influence of ground mechanism for the BARC natural hazards for coastal configurations in wind tunnels on rectangular section in smooth community the slipstream of a high-speed and turbulent flow Jin Zhu, Wei Zhang train Claudio Mannini, Antonino Chao Xia, Xizhuang Shan, Zhigang Maria Marra, Luca Pigolotti, Yang Gianni Bartoli 5:00pm-5:15pm 211. Wake-oscillator models for 48. Development of GIS-based 83. Experimental study on the vortex-induced vibrations of a wind risk map based on wind- aerodynamic admittance of 4:1 rectangular cylinder induced risk analysis railway vehicles on a truss-girder Antonino Maria Marra, Claudio Jin-Ho Kim, Hyeyun Ku, Hee-Jun bridge Mannini, Gianni Bartoli Yang Qingsong Duan, Cunming Ma, Haili Liao 5:15pm-5:30pm 65. The mean wake of low- 54. Temperature and moisture 159. Using appropriate boundary aspect-ratio surface-mounted effects on the tropical cyclone layer tripping on high-speed train finite-height square prisms and boundary layer: pressure and models used in wind tunnel the effects of incidence angle wind fields experiments to minimize David Sumner, Sanjith Reda Snaiki, Teng Wu Reynolds number effect Unnikrishnan, Ming Teng, Adam Uwe Fey Beitel, Anurag Das, Mackenzie Fulton

Colloquium Banquet 6:30pm-8:30pm Top of the Hub Restaurant & Lounge Prudential Tower, 800 Boylston Street, Boston, MA 02199-8142

Principal 9 Organizers:

BBAA VIII

FRIDAY, 10 JUNE 2016 Colloquium Registration 8:30am-4:00pm (Curry Student Center - Indoor Quad, 1st Floor) (Curry Student Center: Bldg. 50 on campus map)

Curry Student Center - Curry Student Center - Room Curry Student Center – Ballroom 318-322 Room 333

A7: Bridge aerodyn. – shape B7: Tall buildings – nonlinear C7: Low-rise buildings – PBWE modifications and mitigations response and PBWE and modeling issues (Session Chair: H.-K. Kim) (Session Chair: V. Denoël) (Session Chair: G. Kopp) 9:00am-9:15am 272. Adding aerodynamic 261. Moment-based 91. Wind fragility assessment of damping: the wing design for characterization for non- window systems installed in the Third Bosphorus Bridge Gaussian wind pressures: Revisit apartment buildings Marco Belloli, Sara Muggiasca, Ying Luo, Guoqing Huang, Kurtis Hee Jung Ham, Woo-Seok Yun, Lorenzo Rosa, Alberto Zasso Gurley, Jie Ding Ho-Jeong Kim, Sungsu Lee, Seung Hun Choi 9:15am-9:30am 291. Full-scale measurement of 254. The role of aerodynamics in 294. Mitigating wind and flood: the wake of a suspension bridge performance-based design The increased wind vulnerability Etienne Cheynet, Jasna Fei Ding, Wei-Chu Chuang, of static elevation vs. Bogunović Jakobsen, Jonas Seymour M. J. Spence, Ahsan amphibious retrofit Snæbjörnsson, Nikolas Angelou, Kareem Elizabeth English, Fatemeh Torben Mikkelsen, Mikael Orooji, Carol J. Friedland Sjöholm, Benny Svardal 9:30am-9:45am 59. Aeroelastic analyses of the 129. Inelastic crosswind 225. Evaluation of mean deck widening of the Rande responses of tall buildings with pressure field above a roof using cable-stayed Bridge in Vigo bilinear hysteretic restoring force PIV data and a 2D interpolation (Spain) characteristics algorithm José Ángel Jurado, Changda Feng, Xinzhong Chen, Chieh-Hsun Wu, Abul Fahad Hernández, Miguel Cid, Antonio Daan Liang Akon, Gregory A. Kopp Álvarez, Félix Nieto 9:45am-10:00am 109. Dynamic stability of the 287. Probability-based direct 266. Effects of high ridges on Golden Gate Bridge numerical estimation of wind- wind load of Chinese traditional deteriorated by roadway wind induced non-structural damage timber slope roofs barriers on tall buildings Wenshan Shan, Qingshan Yang, Andrija Buljac, Hrvoje Kozmar, Laura Ierimonti, Ilaria Venanzi, Bo Li, Yukio Tamura Stanislav Pospíšil, Michael Luca Caracoglia Macháček, Radomil Král 10:00am-10:15am 180. Computational fluid 268. A reduced-order stochastic 231. Coupled wind-induced dynamics simulation and model to study damage and responses and equivalent static parametric study of wake effect intervention costs on tall wind loads on long-span roof of bridge tower on a truck buildings in non-synoptic winds structures by consistent LRC Nasi Zhang, Harold Bosch, Jerry Luca Caracoglia method Shen Nan Luo, Haili Liao, Mingshui Li 10:15am-10:30am 94. Experimental study on static 27. Research on aerodynamic 290. Pressure distributions on a aerodynamic forces of a forces of a high-rise building with low-rise building in a laboratory combined rail-cum-road bridge vertical partitions protruded simulated downburst under different highway traffic from facades by high frequency Chowdhury Jubayer, Ahmed flows force balance wind tunnel tests Elatar, Horia Hangan Shixiong Zheng, Tang Yu, Tianqi Fangchao Hou, Yong Quan, Ming Geng Gu

Coffee Break & Poster Session P5 Coffee Break & Poster Session P6 (bluff-body 10:30am-11:00am (bridges/cables) (Curry Ctr - Indoor Quad, 1st Fl.) aer.) (Curry Student Ctr. - - Indoor Quad, 1st Fl.)

Sponsors: 10

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[email protected] http://www.northeastern.edu/bbaa8/ 125. Aerodynamic stability of iced stay cables on 145. Three dimensional numerical simulation of cable-stay bridge water film on stay-cable based on Eulerian Wall Shouying Li, Teng Wu, Tao Huang, Zhengqing Film model Chen Hongfu Zhang, Rui Wang, Shengnan Yang, Dabo Xin 133. Stochastic dynamic response of uncertain 107. The spanwise correlation of buffeting forces slender bridge tower subjected to fluctuating on rectangular cylinders under skew wind wind excitation Shaopeng Li, Mingshui Li, Liangliang Zhang Siyu Zhu, Tianyu Xiang, Yongle Li 126. Investigation on the unstable region of wake galloping for twin hangers of suspension bridges Shouying Li, Chunyun Xiao, Zhengqing Chen

Plenary Lecture 3 (Curry Student Center - Ballroom) 298. Active flow control and its application in fluid systems 11:00am-12:00pm Michael Amitay, Rensselaer Polytechnic Institute, USA (Moderator: Chris Letchford)

Lunch & Poster Sessions P5 and P6 - continued 12:00pm-1:00pm (Curry Student Center - Indoor Quad, 1st Floor)

Curry Student Center - Curry Student Center - Room Curry Student Center – Ballroom 318-322 Room 333

A8: Bridge aerodynamics – CFD B8: Environmental flows – C8: Wind loads on solar panels applications architectural engineering and renewable energy systems (Session Chair: A. Larsen) (Session Chair: N. Kaye) (Session Chair: Y. Tamura) 1:00pm-1:15pm 188. 2D CFD simulation of wind- 295. Computational fluid 289. Challenges in wind tunnel induced responses of bridge dynamics simulation of wind testing of ground mount decks based on fluid-structure flow and wind force on trees in photovoltaic solar racking interaction urban parks systems Yao-Jun Ge, Shi-Yi Liu, Kun Xu, Haiyan Miao, Harish Goplan, Yarrow Fewless, David Banks Ke Li, Jin-Lin Xia Venugopalan Raghavan, Poh Hee Joo, Lou Jing 1:15pm-1:30pm 207. Effects of computed flow 221. Influence of inflow 142. Characteristics of vertical separations on flutter parameter uncertainty in CFD displacement of solar wing derivatives simulations of urban system Anina Šarkić Glumac, Rüdiger environments Yong Chul Kim, Yukio Tamura, Höffer Clara García-Sánchez, Catherine Akihito Yoshida, Takashi Itoh, Gorlé Qingshan Yang, Wenshan Shan 1:30pm-1:45pm 281. Experimental and 135. Computational modeling of 35. Roof-mounted solar panels numerical aerodynamic analysis evaporative cooling using water under wind action of a concrete railway bridge in spray systems: application for an Hatem Alrawashdeh, Ted tandem arrangement with a actual urban area Stathopoulos truss road bridge Hamid Montazeri, Yasin Alberto Zasso, Daniele Rocchi, Toparlar, Bert Blocken, Jan Tommaso Argentini, Stefano Hensen Giappino, Tommaso Costantini 1:45pm-2:00pm 100. Optimization of stays and 154. Inflow-condition sensitivity 159. Torsional wind loads on deck shape in cable supported in the numerical simulation of tilted solar panels mounted on a bridges including structural and the urban environment flat roof aeroelastic constraints Alessio Ricci, Ivo Kalkman, Bert Jinxin Cao, Shuyang Cao, Yukio Santiago Hernández, Miguel Cid, Blocken, Massimiliano Burlando, Tamura, Yaojun Ge Félix Nieto, José Á. Jurado Andrea Freda, Maria Pia Repetto 2:00pm-2:15pm 184. LES for investigation of 210. Experimental and numerical 11. Wind loads on seated and

Principal 11 Organizers:

BBAA VIII

span-wise domain size effect evaluation of wind flow in a elevated roof-mounted and evaluation of flutter compact urban area: validation equipment derivatives of a box girder and sensitivity analysis Lakshmana Doddipatla, Gregory Yasuaki Ito, Michael Graham Nestoras Antoniou, Hamid A. Kopp Montazeri, Hans Wigo, Marina Neophytou, Bert Blocken, Mats Sandberg 2:15pm-2:30pm 270. Comparative study of semi- 20. Effects of inflow turbulence 292. Full-scale evaluation of analytical and numerical on turbulent boundary layers wind load on a solar panel methods for aerodynamic over two-dimensional Zienab M. Samani, Girma T. analysis of long span bridges continuous hills Bitsuamlak, Horia Hangan Igor Kavrakov, Khaled Ibrahim, Tong Wang, Shuyang Cao, Yao- Guido Morgenthal Jun Ge 2:30pm-2:45pm 75. Numerical study on 263. Changes in pedestrian level 234. Blockage effects on large- nonlinear and motion coupling winds through city development: scale solar array models in a effects on self-excited forces of A study of the Financial District traditional boundary layer wind a bridge deck in tunnel Haili Liao, Jiawei Wan, Qi Wang Kimberley Adamek, Neetha Sarah Stenabaugh, Mike Vasan Gibbons, Matthew Browne, Scott Gamble 2:45pm-3:00pm 150. LES investigation of 186. Effects of atmospheric Reynolds number effects on stability on ventilation efficiency flow passing a twin-box girder in residential urban block model Shujin Laima, Chao Jiang, Hui Li Tingting Hu, Ryuichiro Yoshie

Coffee Break 3:00pm-3:30pm (Curry Student Center - Indoor Quad, 1st Floor)

Curry Student Center - Curry Student Center - Room Curry Student Center – Ballroom 318-322 Room 333

A9: Bluff body and bridge B9: Bluff bodies and non- C9: Low-rise buildings – aerodynamic loads (Session stationary flows experimental full scale methods chair: L.-D. Zhu) (Session Chair: G. Huang) (Session Chair: Y. Uematsu) 3:30pm-3:45pm 175. The lift on a truss girder in 117. CFD simulations of near- 193. Design wind force a grid generated turbulence field dispersion around isolated coefficient for the main wind Yingzi Zhong, Mingshui Li, Kai cubical buildings: Evaluation of force resisting systems of open- Wang URANS type framed membrane Yoshihide Tominaga, Ted structures Stathopoulos Yuki Takadate, Yasushi Uematsu, Eri Gavanski 3:45pm-4:00pm 137. Mitigation of vortex- 7. The aerodynamic admittance 103. Aerodynamic mechanisms induced vibration for a bridge function and non-stationary of roof-surface pressure deck by spanwise-distributed winds fluctuations on low-rise passive vortex generators Mike Jesson, Mark Sterling buildings Dabo Xin, Hongfu Zhang, Abul Fahad Akon, Gregory A. Jingping Ou Kopp 4:00pm-4:15pm 208. Nonstationary wind 293. Tornado like vortex induced 182. The impact of projections velocity field with multi-scale load on a bluff-body with and on balcony pressure coefficients spatial correlation: simulation without openings William Ashman, Weichiang and validation Zoheb Nasir, Girma Bitsuamlak Pang Haifeng Wang, Teng Wu 247. An alternative to the flutter 155. End treatment for reducing 146. The effect of a shutter on 4:15pm-4:30pm derivatives pressure coefficient of sound the wind induced loads on a Michael Styrk Andersen, Anders barriers window and wind driven rain

Sponsors: 12

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[email protected] http://www.northeastern.edu/bbaa8/ Brandt Seong-Wook Han, JunYong Park, intrusion into the building Ho-Kyung Kim through experiments at the Wall of Wind Experimental Facility Mohammadtaghi Moravej, Bodhisatta Hajra, Arindam Gan Chowdhury, Ioannis Zisis, Peter Irwin 4:30pm-4:45pm 206. The response of base 58. Comparison of the near-wake 269. Estimating the wind speeds pressure in a bluff body flow of bluff-based bodies with of typhoon Haiyan using exposed to synthetic jet different cross sections windicators and aerodynamic excitation Christine E. Klei-Wichmann, Eike modification of gable roof for Benjamin Bock, Nils Widdecke, Stumpf low-rise buildings to reduce Jochen Wiedemann, Timo wind demand Kuthada Jaime Hernandez Jr., Joshua C. Agar, Julian Eymard Maliwanag, Liezl Raissa E. Tan, William L. Mata

Closing Ceremony (Curry Student Center - Ballroom) 4:45pm-5:15pm Announcements and Remarks: the Chairman of the next BBAA Colloquium will announce the new venue in year 2020

SATURDAY, 11 JUNE 2016 Tour Activity: Freedom Trail Tour 10:00am-12:00pm (The meeting location is at the Visitor's Center in the Boston Common, accessible with the Green Line of the MBTA. The subway T stop is Park Street on the Green Line. Start time is 10 AM. Participants should plan to be there by 9:50 AM to ensure a prompt tour start.)

Principal 13 Organizers:

BBAA VIII

Directions and Campus Map

Curry Student Center: All talks will take place in the Curry Student Center (Building #50 on map). Registration, poster sessions and coffee breaks will take place on the 1st floor Indoor Quad. Sessions will take place in the 2nd floor Ballroom, and 3rd floor McLeod suites (318-322) and 333 Rooms.

Transportation to Northeastern:

Public Transit: Northeastern is well served by public transit: Green Line – Northeastern stop, Orange Line - Ruggles.

Parking: Parking is available in the Renaissance (Building #62 on map) and Gainsborough (Building #45 on map) Garages. The fee is based on an hourly fee structure. Weekend rates are available.

Campus Housing Location and Address: East Village Residence Hall, 291 St. Botolph Street, Boston, MA 02115, USA (more information forthcoming).

Sponsors: 14

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[email protected] http://www.northeastern.edu/bbaa8/

MAP OF CURRY STUDENT CENTER (CSC)

348 CSC

Principal 15 Organizers: