| Opening ceremony | Venue: Wufu Hall | |
| Moderator: Hang Wang | ||
08:40-09:00 | Welcome address Pengzhi Lin, Advisory Board member of Local Organsing Committee, Vice-Director of State Key Laboratory of Hydraulics and Mountain River Engineering | |
Welcome address Yong Xia, Co-Chair of Local Organsing Committee, Chief Engineer of POWERCHINA Chengdu Engineering Co., Ltd | ||
Opening address Sean Mulligan, Chair of IAHR Committee on Hydraulic Structures | ||
Group photograph | ||
Keynote 1 | Venue: Wufu Hall | |
| Chair: Pengzhi Lin | ||
09:00-09:45 | Sediment routing strategy for recoveringsediment connectivity Tetsuya Sumi, Kyoto University | |
Keynote 2 | Venue: Wufu Hall | |
| Chair: Daniel Valero | ||
10:15-11:00 | Nonlinear weirs: An efficient solutionfor enhancing dam safety and optimizing spillway projects Sébastien Erpicum, University of Liege | |
09:45-10:15 | Coffee break | |
Keynote 3 | Venue: Wufu Hall | |
| Chair: Daniel Valero | ||
11:00-11:45 | Dispersed flood discharge and zonedenergy dissipation for super‑high dams in confined valleys Bin Liu, POWERCHINA ChengduEngineering Co., Ltd | |
11:45-14:00 | Lunch break | |
Open Meeting of Committee onHydraulic Structures | Venue: Juying Hall | |
| 12:50-14:00 | ||
Session A1. Dams & Reservoirs | Venue: Juying Hall | |
| Chair: Sébastien Erpicum | ||
14:00-14:15 | Hyper Reynolds number spillway overflow events: Prototype experience at three large dams in Australia Hubert Chanson and Carlos Gonzalez | |
14:15-14:30 | Measuring free-surface properties on a steppedspillway with a depth camera Phillip Langohr, Daniel Bung and Matthias Kramer | |
14:30-14:45 | Hydraulic performance of an enclosed spillway-sluice dewatering scheme: A case study of Cobb Dam, New Zealand Mengxin Xu and Yifan Yang | |
14:45-15:00 | Prototype measurement campaign in alow-level outlet: Challenges and insights Simone Pagliara, Benjamin Hohermuth, Stefan Felder and Robert Boes | |
15:00-15:15 | Comprehensive modeling and high-precision prediction of spillway atomization rainfall and fog flow for high dam safety Duan Chen, Ze Fang, Yujie Ma and Wenfei Liu | |
Session A2. Hydro-Environment Impact | Venue: InternationalConference Hall | |
| Chair: Yuhong Zeng | ||
14:00-14:15 | Assessment of the ecological impacts of open-loop pumped-hydro storage on early life stages of fish in the Great Lakes Xin Shen, Tomas Höök, Marc Gaden, Hudson Wulff and Jeremy Bricker | |
14:15-14:30 | Impacts of altered hydrological and sediment regimes on fish richness in the Upper Yangtze River Shanchuan Zhe, Yu Wan, Hongbo Du, Jianping Wu and Wenjie Li | |
14:30-14:45 | Thermal response of cascade reservoirs under future climate warming in the upper Yangtze River Basin Guangyang Hu, Zhonghua Yang, Yao Yue and Fengpeng Bai | |
14:45-15:00 | Fish habitat suitability assessment usingXGBoost: A comparison with fuzzy logic andgeometric mean models Junfeng Chen, Shicheng Li, James Yang and Anders Ansell | |
15:00-15:15 | Unconventional sources and sinks of dissolved gas in hydropower systems Pengcheng Li | |
15:15-15:30 | Coffee break | |
Session B1. Dams & Reservoirs | Venue: Juying Hall | |
| Chair: Duan Chen | ||
15:30-15:45 | Experimental analysis of scale effects on aeration efficiency for flow over a stepped spillway Tohid Jamali, Daniel Bung and Sébastien Erpicum | |
15:45-16:00 | On the specific interfacial area in self-aerated flows: Fundamentals of air-water mass transfer Hubert Chanson | |
16:00-16:15 | Variation of the ratio of bubble diameter to bubble chord length in a highly aerated free-surface flow Abhishek Mondal, Daniel Bung and Sébastien Erpicum | |
16:15-16:30 | Impact of bubble diameters in the population balance model on aeration by numerical simulation Wenwen Wang, Wenjuan Gou and Jiajie Song | |
16:30-16:45 | Flow characterisation of planar plunging water jet by coupling intrusive and non-intrusive experimental approaches Rui Shi, Hang Wang and Hubert Chanson | |
Session B2. Modelling Technology | Venue: International Conference Hall | |
| Chair: Yiyi Ma | ||
15:30-15:45 | Machine learning-based prediction of discharge magnification ratio for triangular labyrinth weirs Mohammad Danish Mustafa, Talib Mansoor and Mohammad Muzzammil | |
15:45-16:00 | Machine learning for estimating the discharge coefficient of swirling device in morning glory shaft spillway Haozhen Meng, Yangyu Deng, Jinbu Yin, Junling He and Zhiming Liu | |
16:00-16:15 | CFD derived stage discharge rating curves for simple and complex urban CSO points Antonio Lastra de la Rubia, Javier Climent and Celia Ortega Flores | |
16:15-16:30 | Deformation prediction model of concrete dam based on FEM-PSO-ELM Bin Yan, Dongyu Liu, Jing Zhang, Xin Yu, Longxiao Cong and Zhenwei Gao | |
16:30-16:45 | Analysis of overall stability of Jinping-I Arch Dam under hydro-mechanical coupling based on ANSYS Junteng Wang, Xinyi Tang, Chenxiang Huang, Baoquan Yang and Chen Yuan | |
16:45-17:00 | Coffee break | |
Session C1. High Dam Hydraulics | Venue: Juying Hall | |
| Chair: Jorge Matos | ||
17:00-17:15 | A computational study on the influence of surface roughness and flow velocity on spillway cavitation dynamics Nicola Andreini, Mirco Magnini, Michael Pfister and Valentin Heller | |
17:15-17:30 | Experimental and mechanistic investigation of hydraulic concrete abrasion under oblique submerged sand-laden jet impingement Kang Liu, Haoran Wang, Zhigang Wang, Yongcan Chen and Hui Xie | |
17:30-17:45 | Study on the mechanism and damage evolution of cavitation erosion in hydraulic concrete Han Hu, Jian Yan, Duan Chen and Siyu Chen | |
| 17:45-18:00 | Study on water wings and cavitation characteristics at the end of middle pier under high-altitude conditions Siyu Chen, Caihuan Wang, Dongmei Hou and Han Hu | |
Session C2. Hydro-Environment Impact | Venue: International Conference Hall | |
| Chair: Yao Yue | ||
17:00-17:15 | The structural optimization and hydraulic characteristics analysis of one practical fishway project Jiahong Zhang, Di Zhang, Yakun Liu and Zhenyu Li | |
17:15-17:30 | Design and experimental study of fish passages combining nature-like fishway and U-channels in actual projects Huojian Liu, Xin Tang, Zhixiong Liu and Jiawei Zhou | |
17:30-17:45 | Hydraulic characteristics of ecological nonlinear stepped weirs: Preliminary insights Xiaoyang Shen | |
| 17:45-18:00 | Effects of leaky barriers on open-channel flow characteristics: A numerical investigation Jiaying Wu and Yuhong Zeng | |
Day One | Monday | 29 June 2026
Day Two | Tuesday | 30 June 2026
Day Three | Wednesday
Day Four | Thursday
Day Five - Six | Friday - Saturday | 3-4 July 2026
Keynote 4 | Venue: Wufu Hall | |
| Chair: Sean Mulligan | ||
08:45-09:30 | Addressing the challenges to achieve technical excellence in water infrastructure projects – A guide for technical specialists Chris Nielsen, Engineers Australia | |
| 08:45-09:30 | Take bus to Sichuan University (Wangjiang Campus); Bus departs at main entrance of Wufu Building | |
Welcoming Remarks | Venue: A331, College of Water Resourcesand Hydropower | |
| 08:40-08:45 | Openingremarks by Daniel Valero | |
Closing Remarks | Venue: A331, College of Water Resourcesand Hydropower | |
| 17:15-17:30 | ||
Keynote J1 | Venue: A331, College of Water Resources and Hydropower | |
| Chair: Daniel Valero | ||
08:45-09:30 | Toward a unified theory of jet-driven scour Michele Palermo, University of Pisa | |
Keynote J2 | Venue: A331, College of Water Resources and Hydropower | |
| Chair: Daniel Valero | ||
09:30-10:15 | How to write a paper Valentin Heller, The University of Nottingham | |
Keynote 5 | Venue: Wufu Hall | |
| Chair: Sean Mulligan | ||
09:30-10:15 | Recent fundamental researches in high-speed air-water flows and engineering applications Wangru Wei, Sichuan University | |
10:15-10:30 | Coffee break | |
15:00-15:15 | Coffee break | |
16:30-16:45 | Coffee break | |
10:15-10:30 | Coffee break | |
15:30-15:45 | Coffee break | |
12:00-13:30 | Lunch break | |
Take bus to Kuanzhai Alley (Broad and Narrow Alley). Bus departs at main entrance of Wufu Building after the closing ceremony * | ||
19:00-22:00 | Gala Dinner ** | |
* If you miss the bus, take a taxi to Xiaolong Fan Dajiang (小龙翻大江) Hotpot at Kuanzhai Alley (宽窄巷子).
** After the dinner, please return to the hotel on your own. Taxis are recommended. Our volunteers will be at the restaurant entrance to assist you with getting a taxi.
11:45-13:30 | Lunch break | |
Session D1. Modelling Technology | Venue: Juying Hall | |
| Chair: Hubert Chanson | ||
10:30-10:45 | Skimming flow over stepped spillways: Experimental and numerical modeling Brenda Vath, Fabián Bombardelli, Federico Zabaleta, Mariano de Dios and Sergio O. Liscia | |
10:45-11:00 | URANS modeling of prototype D-type hydraulic jumps: Validation and scale effects Leiza D'Angelo, Federico Zabaleta, Fabián Bombardelli, Gian Reyes Mendoza, Paula Consoli-Lizzi and Sergio Liscia | |
11:00-11:15 | Influence of a jet-guiding structure onflow under a roller drum gate – Comparison of flow measurements and numerical simulations Lisa Marie Berghammer, Tino Kostić, Nils Rüther and Hristo Dimitrov | |
11:15-11:30 | From numerical to physical: Dual-modeling strategies for hydraulic intake optimization at Saut Mortier pumped-storage hydropower project Sébastien Derrien, Julien Schaguene, Thibault Oudart, Olivier Bertrand and Salomé Gautier | |
11:30-11:45 | Flow patterns and velocity field within a hydraulic jump energy dissipator with a baffle block Jiayue Hu, Matthew Mason and Hubert Chanson | |
Session E1. Dams & Reservoirs | Venue: Juying Hall | |
| Chair: Valentin Heller, Wenjuan Gou | ||
13:30-13:45 | Numerical study on periodic pressure fluctuations driven by air-water interactions in a dropshaft-tunnel system Zhaolin Zheng and Yiyi Ma | |
13:45-14:00 | Hydraulics of framed-type dropshafts in tailings reservoir Weichen Ren, Yu Qing, Zhigang Wang and Hongwei Zhang | |
14:00-14:15 | Free-surface fluctuations in submerged hydraulic jumps generated by rectangular plunging jets: LIDAR and depth-camera measurements Edwin Patricio Casa-Tipán, José M. Carrillo, Luis G. Castillo and Juan T. García | |
| 14:15-14:30 | Experimental study of air-entraining vortices induced by free drainage Shangtuo Qian, Zhexin Zhang, Yaohui Chen, Pengcheng Li, David Zhu and Hui Xu | |
14:30-14:45 | Code-aligned finite element design methodology for structural verification of vortex drop structures Masooma Ijaz, Ketan Mandane, Sean Mulligan and Fergus Clifford | |
14:45-15:00 | Transient analysis of flow regime and energy dissipation on plunging dropshaft Yiran Wang, Yiyi Ma, Xiaodong Yu and Jiachun Liu | |
Session F1. Dams & Reservoirs | Venue: Juying Hall | |
| Chair: José Carrillo, Xuefang Li | ||
15:15-15:30 | Experimental analysis of the effect of air bubbles on the impact pressures induced by a free-overflow nappe Kawthar Achary, Pierre Archambeau, Benjamin Dewals, Michel Pirotton and Sébastien Erpicum | |
15:30-15:45 | Pressure fluctuations on a baffle block in a hydraulic jump energy dissipator Jiayue Hu, Matthew Mason and Hubert Chanson | |
15:45-16:00 | Hydraulic characteristics of a flood diversion sluice and optimization of its stilling basin Yanxiang Peng, Wenjiao Zhang, Zhongmei Wang, Xing Zhao, Mingcong Lv and Yuan Zhang | |
| 16:00-16:15 | Flow-induced dynamic pressure fields on a spillway chute Janine Vögele, Robert Boes and Ismail Albayrak | |
| 16:15-16:30 | Design optimization of spillway for Nam Phak Hydropower Project Anuj Pradhananga, Abdelghani Sichaib, Yanis Oukid, Mauro Puddu, Bellal Shah Ameerally and Surachai Mimae | |
Session G1. Modelling Technology | Venue: Juying Hall | |
| Chair: Carlos Gonzalez | ||
16:45-17:00 | PocketFlow: Real-time CFD for hydraulic insight Gangfu Zhang | |
17:00-17:15 | A weakly coupled SPH model for shallow water and Exner equations in erosive dam break flows Lirong Tian and Shenglong Gu | |
17:15-17:30 | Numerical simulation of dam-break flow with sediment particles by CLSVOF-DEM method Wenkang Meng and Ruidong An | |
| 17:30-17:45 | Application of multi-sensor fusion technology based on quadruped robot in three-dimensional reconstruction of construction tunnels Moyan Li, Yongcan Chen, Haoran Wang, Xuri Huang, Yonglong Li and Hui Xie | |
Closing address | Venue: Juying Hall | |
| 17:45-18:00 | ||
Session G2. Infrastructure Resilience | Venue: International Conference Hall | |
| Chair: Chris Nielsen | ||
16:45-17:00 | Understanding stakeholder perspectives on weir developments in Indonesia James Zulfan, Laura Montano, Fiona Johnson, Wiwandari Handayani and Stefan Felder | |
17:00-17:15 | MMOFF: A multimodal observation fusion framework for knowledge-driven dam hazard management Hai Yao, Yongcan Chen, Haoran Wang, Xuri Huang and Hui Xie | |
17:15-17:30 | An attempt to characterize in term of probability the freeboard of dams Paolo Salandin, Enrica Belluco, Pietro Giaretta, Tommaso Trentin and Giulia Mazzarotto | |
| 17:30-17:45 | From fragmented data to informed decisions: Digital transformation in inland waterway infrastructure management Daniela Schenk, Zorana Duric and Stephanie Kölker | |
Session JA | Venue: A331, College of Water Resourcesand Hydropower | |
| Chair: Sean Mulligan | ||
10:30-11:00 | Building beyond the paper Gangfu Zhang | |
11:00-11:30 | Three-dimensional characteristics of hydraulic jumps in compound channels Chengyang Ni and Hang Wang | |
11:30-12:00 | Hydraulic characteristics of tailwater emergency gate slot Ruolan Wang, Fan Yang, Wenyuan Zhang and Zhigang Wang | |
Session JC | Venue: A331, College of Water Resourcesand Hydropower | |
| Chair: Jorge Matos | ||
15:45-16:15 | Effects of different flow rates and submerged body widths on fish swimming behavior in water flows Yujie Ma, Jian Yan, Duan Chen, HuiGuo, Kui Wang and Ting Li | |
16:15-16:45 | Data-driven optimization and hydrodynamic mechanism validation of ecological scheduling for restoring spawning of four major Chinese carps in the Yangtze River Bingcheng Luo, Jiasheng Qin and Xiaoli Fu | |
16:45-17:15 | Overflow on vegetated broad-crested weirs Hongyu Li, Dongjie Zhang and Hang Wang | |
Session JB | Venue: A331, College of Water Resourcesand Hydropower | |
| Chair: Hubert Chanson | ||
13:30-14:00 | Hydraulic characteristics of helicoidal-ramp dropshaft with side sills Zihang Zhang, Fei Ma and Lei You | |
14:00-14:30 | Gas-liquid mass transfer in stepped chute flows Dongsheng Fan, Xueyou Zhang, Weiyang Zhao, Ruidi Bai, Jingjie Feng and Hang Wang | |
14:30-15:00 | Time-domain identification of vibration load and full-field dynamic displacement reconstruction for overflow dam pier under discharge excitation Bo Liu, Wentao Wang, Huokun Li and Gang Wang | |
| 15:00-15:30 | The safety optimization of transient flow protection in complex hydraulic systems Shilong Lv, Yongqin Luo, Qiang Yuan, Youhong Wang and Qian Tan | |
Technical Tour 1. The DYZ Line (North Line) | ||
| 08:00-09:30 | Take bus to Dujiangyan; bus departs at the main entrance of Wufu Building | |
| 09:30-12:00 | Visit Dujiangyan Irrigation System | |
| 12:00-13:30 | Lunch | |
| 13:30-14:00 | Take bus to Zipingpu Hydropower Station | |
14:00-15:00 | Visit Zipingpu Hydropower Station | |
15:00-15:30 | Take bus to Yingxiu | |
15:30-16:30 | Visit Yingxiu Earthquake Memorial Site | |
| 16:30-18:30 | Take bus back to Wangjiang Hotel | |
Post-Event Technical Tour. The Ertan Dam | ||
| 3 July | ||
| 08:00-08:30 | Take bus to Chengdudong Railway Station; bus departs at the main entrance of Wufu Building | |
| 09:20-13:50 | Take train to Yanbian; lunch served onboard | |
| 14:00-14:30 | Take bus to Ertan Hydropower Station | |
14:30-17:00 | Visit Ertan Hydropower Station | |
17:00-18:00 | Take bus to Panzhihua | |
18:00-19:30 | Dinner and hotel check-in | |
| 4 July | ||
| 09:00-09:20 | Hotel check-out and take bus to The Third Line Construction Museum of China | |
| 09:30-11:00 | Visit The Third Line Construction Museum of China | |
| 11:00-12:30 | Lunch | |
12:30-13:00 | Take bus to Panzhihua Railway Station | |
| 13:30-18:00 | Taketrain to Chengdu | |
Technical Tour 2. The JAL Line (South Line) | ||
| 08:00-09:30 | Take bus to Jianzishan Navigation-Power Hub; bus departsat the main entrance of Wufu Building | |
| 09:30-10:30 | Visit Jianzishan Navigation-Power Hub | |
| 10:30-11:30 | Take bus to Leshan | |
| 11:30-13:00 | Lunch | |
13:00-14:30 | Visit Leshan Giant Buddha | |
14:30-15:30 | Take bus to Augu Hydropower Station | |
15:30-16:30 | Visit Augu Hydropower Station | |
| 16:30-18:30 | Take bus back to Wangjiang Hotel | |
Session F2. Coastal Defence Structures | Venue: International Conference Hall | |
| Chair: Davide Wüthrich, Lian Tang | ||
15:15-15:30 | Tsunami-like tidal bores in curved estuarine reaches: field observations and seawall mitigation Dongzi Pan, Kun He, Gang Chen and Ying Li | |
15:30-15:45 | Numerical modelling of oblique tsunami run-up on slopes Zhiwen Chen, Valentin Heller and Riccardo Briganti | |
15:45-16:00 | Experimental investigation of isolated floating plate impacting the cylinder by regular breaking waves Xiaolin Han and Zhiguo He | |
| 16:00-16:15 | Experimental investigation of the direction-adaptive fairing on bridge pier with waves Jianguo Wang and Kai Wei | |
| 16:15-16:30 | Experimental study on hydraulic model of underwater rock plug blasting Yong He, Jiawei Zhou and Chuansong Weng | |
Session E2. Sediment & Debris | Venue: International Conference Hall | |
| Chair: Ismail Albayrak, Yuqi Shan | ||
13:30-13:45 | Hydrodynamic loading of debris accumulations at high Froude numbers Ajit Kumar, Stefano Pagliara and Michele Palermo | |
13:45-14:00 | Experimental study of backwater effects induced by bridge pier arrays Davide Wüthrich, Arthur Naipal, Tijmen Schevers and Wim Uijttewaal | |
14:00-14:15 | Effect of deck proximity on hydrodynamic forces and flow field Huan Wei, Michele Palermo and Stefano Pagliara | |
| 14:15-14:30 | Modeling the impact forces of stony debris flows on in-river hydraulic structures Andrea Cao, Pietro Giaretta and Paolo Salandin | |
14:30-14:45 | Combined numerical and physical modeling for the hydro-sedimentary study of Sukkur barrage Sébastien Derrien, Olivier Bertrand, Florian Ronzani, Arthur Lopez and Thibaut Ulrich | |
14:45-15:00 | Ultimate scour depth for river-crossing tunnels in the urban core of Guangzhou Shuqin He, PengJie Gong and Haibin Li | |
Session D2. Sediment & Debris | Venue: International Conference Hall | |
| Chair: Stefano Pagliara | ||
10:30-10:45 | Influence of secondary currents on hydro-abrasion at the solis sediment bypass tunnel Ismail Albayrak, Pauline M. Haver, Elena Pummer, Dila Demiral-Yüzügüllü and Robert Boes | |
10:45-11:00 | Self-lining mechanism in sediment-laden flows with strip roughness for abrasion reduction in sediment bypass tunnels Xujian Wu, Michio Sanjou, Kazumasa Matsumoto, Taka-Aki Okamoto and Tetsuya Sumi | |
11:00-11:15 | Influence of angled underflow baffles with limited width on bedload transport in rectangular channels Tino Kostic, Subhojit Kadia and Nils Rüther | |
11:15-11:30 | Preliminary analysis of scour at bridge pier in layered soils Michele Palermo, Yuanjie Jin and Simone Pagliara | |
11:30-11:45 | Experimental study on the riverbed scouring downstream of piano key weirs: Effects of ogee-shaped outlet keys Sikandar Yosufzai, Subhojit Kadia, Tino Kostić and Nils Rüther | |
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