Construction and Verification of Two-dimensional Surface Hydraulic Calculation Model

• Published in: Journal of physics. Conference series Vol. 2638; no. 1; pp. 12015 - 12019
• Main Authors: Zheng, Haiya, Fang, Xuezhi, Xiao, Jianhua, Liu, Rongwei, Zhang, Yancheng, Yu, Jiangshun, Cai, Yun
• Format: Journal Article
• Language: English
• Published: Bristol IOP Publishing 01.11.2023
• Subjects: Flood control; Flow control; Mathematical models; Physics; Shallow water; Simulation; Spatial distribution; Substations; Surface water; Technical services; Temporal distribution; Two dimensional flow; Two dimensional models; Water flow
• ISSN: 1742-6588; 1742-6596
• DOI: 10.1088/1742-6596/2638/1/012015

Abstract Accurate calculation and prediction of the surface water flow process in the substation and surrounding area is of great significance for on-site flood control and disaster reduction of the substation. Aiming at the dynamic process of surface water flow, this paper simulated the spatial and temporal distribution characteristics of surface water flow by establishing a two-dimensional hydrodynamic calculation model. Based on the N-S equation, a finite volume integral method is used to discrete the governing equations. On this basis, a hydrodynamic model for two-dimensional numerical simulation of surface water flow is constructed, and the basic governing equations for two-dimensional surface shallow water movement are derived. Based on the Toce River physical model and water flow control experiment, the corresponding conceptual model is established. On this basis, the measured data are used to verify the constructed two-dimensional surface hydrodynamic calculation model. The results show that the model can better simulate the process of surface water flow and describe its temporal and spatial distribution characteristics. The research results will provide effective technical support for substation site flood warning and prevention.