1 results about "Kinematic wave" patented technology

The application discloses a high-resolution flood simulation method coupling topological optimization motion wave and cellular automata, comprising the following steps: obtaining the basin data of a target region, and re-projecting the basin data to a high-resolution grid coordinate system to construct an upstream and downstream relationship grid graph; traversing the upstream and downstream relationship grid graph, taking the rainfall runoff obtained at a current time as a lateral inflow, combining a water flow state at a previous time step and an inflow state of a corresponding grid in an upstream to construct a one-dimensional motion wave equation, and solving the one-dimensional motion wave equation to obtain a river water level at the current time; taking the river water level as an initial condition, starting a two-dimensional diffusion process on the basis of the upstream and downstream relationship grid graph, and iteratively obtaining a submerged range and a water depth distribution graph at the current time step; and repeating the above steps to obtain the submerged range and the water depth distribution graph at all time steps. The method provided by the application can realize fast deduction of a large-scale, high-resolution and physically strictly conservative flood evolution process.