Install the "Smart Brain" on the "Great Power Weapon" at the Danjiangkou Reservoir, using digital twin technology for the first time to ensure full storage safety

Tech 2023-10-19 15:48:28 Source: Network

Real time deduction using the digital twin Danjiangkou engineering systemHubei Daily News (Reporter Ai Hongxia, Correspondent Jia Qian) At 19:00 on October 12th, the Danjiangkou Reservoir was filled to a design water level of 170 meters, marking the second full storage of the dam since it was raised in 2013. This time, the Danjiangkou Reservoir is using digital twin technology for the first time to ensure the safety of the full storage project, water supply, and water quality

^{Real time deduction using the digital twin Danjiangkou engineering system}

Hubei Daily News (Reporter Ai Hongxia, Correspondent Jia Qian) At 19:00 on October 12th, the Danjiangkou Reservoir was filled to a design water level of 170 meters, marking the second full storage of the dam since it was raised in 2013. This time, the Danjiangkou Reservoir is using digital twin technology for the first time to ensure the safety of the full storage project, water supply, and water quality.

It is reported that the Digital Twin Danjiangkou Project is the first digital twin project in China to be deeply applied in the full storage of large reservoirs, and was completed this year. This engineering platform has achieved synchronous tracking and dynamic deduction of dam performance, reservoir bank stability, and water quality for the first time, providing forward-looking, scientific, and precise decision-making support for achieving the dual victories of autumn flood prevention and post flood water storage in the Han River this year.

The Digital Twin Danjiangkou Project can be understood as a twin brother of the Danjiangkou Reservoir in the digital world. "Li Quanhong, Director of the Technical Development Department of the Middle Route Water Source Co., Ltd. of the South to North Water Diversion Project (hereinafter referred to as the" Middle Route Water Source Company "), introduced that this system is equivalent to installing a" smart brain "on a" national treasure ", forming a digital twin that is synchronized with the physical world in real time through the digital mapping of the Danjiangkou water conservancy hub, We have basically achieved dynamic comprehensive evaluation of engineering safety, rolling guarantee of water supply safety, and precise simulation of water quality safety, allowing scientific disposal to "run" ahead of risks.

On October 10, 2021, the Danjiangkou Reservoir reached a normal storage level of 170 meters for the first time. Unlike the "civil defense" scene when the reservoir was first fully stored in 2021, "technical defense" became the key word in this full storage battle.

In front of the computer, the staff lightly clicked the mouse, and the key values and real-time images of the reservoir's full storage suddenly appeared on the screen. It is reported that within one minute, the system can complete a digital calculation of the safety of the 170 meter reservoir dam, predict the evolution process before the risk comes, propose various disposal plans, and guide frontline decision-making.

In the past, the calculation of dam safety behavior required our team to complete massive calculations over several months, and the disposal based on analysis conclusions was time-consuming and laborious, with limitations in post disposal. "said Jie Zhiqiang, Technical Director of the Finite Element Structural Analysis Model for Dam Safety of the Digital Twin Danjiangkou Project.

The staff simulated for reporters how the new system would function in the event of sudden water pollution under high water levels: randomly input the concentration values of pollutants at a tributary station in the Danjiangkou Reservoir area, and the system quickly deduced important conclusions such as the transportation and diffusion path of the pollutant in the next seven days, its content in different water bodies and depths, and its impact on the water delivery at the head of the Taocha Canal through a water quality transport and diffusion model. Timely issued warnings and provided guiding plans.

Thanks to the digital twin Danjiangkou project, the system can also quickly deduce the evolution process of geological disasters. Under the background of technological empowerment after full storage, questions such as whether, when, how, and how geological disasters will occur, as well as their impact on surrounding facilities, can be answered, providing solid support for water conservancy decision-making. Li Quanhong said that at present, Zhongdian Water Source Company is also synchronously improving the Danjiangkou Reservoir Area One Map Project, using high-precision real-time 3D technology to achieve centimeter level prediction of the reservoir area's inundation situation, ensuring the maximum safety of the reservoir area.

Illustrated:

^{Digital Twin Danjiangkou Engineering System Interface}

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