Method for simulating submerged flexible vegetation power and wave dissipation under combined action of wave flow

The invention discloses a method for simulating submerged flexible vegetation power and wave dissipation under the combined action of wave flow. The method comprises the following steps: S10, proposing a flow field calculation method under the combined action of wave flow based on a linear wave theory; s20, constructing a submerged flexible vegetation dynamic model under the combined action of wave flow; and S30, establishing a submerged flexible vegetation wave dissipation model under the combined action of wave flow. According to the flexible vegetation power and wave dissipation numerical simulation method under the combined action of the waves and the water flow, the interaction of the waves and the water flow is considered, the XBeaach model is improved and developed, the application range of the XBeaach model is widened, the accuracy of flexible vegetation stress motion simulation and wave propagation attenuation is improved, and a foundation is laid for research on flexible vegetation wave dissipation.