Journal
ENVIRONMENTAL MODELLING & SOFTWARE
Volume 139, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envsoft.2021.104994
Keywords
Post-disaster information; Dam-break flood; Spatiotemporal process; Rapid reproduction; 3D visualization
Categories
Funding
- National Natural Science Foundation of China [U2034202, 41871289and 41941019]
- Sichuan Science and Technology Program [2020JDTD0003]
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This study developed a platform for rapid 3D reproduction of dam-break floods, utilizing key technologies such as CA-based numerical models, post-disaster information-constrained reproduction, and dynamic augmented representation. Experimental results demonstrated that the system can achieve rapid reproduction in less than 1 hour.
The 3D reproduction of dam-break floods plays a key role in emergency management and disaster information dissemination. However, existing systems for the simulation of floods have some deficiencies. First, the input data parameters are complex. Second, the simulation process is cumbersome and time consuming, and it lacks a complete workflow. In this paper, we develop a platform for the rapid 3D reproduction of dam-break floods. Key technologies, such as numerical models of dam-break floods based on cellular automata (CA), 3D reproduction constrained by post-disaster information, and dynamic augmented representation, are discussed in detail. Then, two typical dam-break flood cases are selected for experimental analysis. The experimental results show that the system can support the rapid 3D reproduction of dam-break floods constrained by post-disaster information. Compared with that of other simulation systems, the reproduction time is reduced to less than 1 h, and this system supports rapid reproduction at different times and positions.
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