Patent ID: 11868690
Assignee: PEARL RIVER WATER RESOURCES RESEARCH INSTITUTE
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 7:
8. A device for analyzing a disaster prevention and mitigation effectiveness of an ecological seawall, comprising:
a seawall ecologicalization module used for performing a seawall ecologicalization on a target seawall by using preset vegetations, environment-friendly materials and ecological engineering methods to obtain a target ecological seawall;
a three-dimensional space hydrodynamic force establishment module used for establishing three-dimensional space hydrodynamic force for the target ecological seawall by using a preset Navier-Stokes equation and a preset PIMPLE algorithm;
a wave overtopping index simulation module used for carrying out a wave climbing simulation on a dike body and a wave overtopping simulation on a dike top of the target ecological seawall through the three-dimensional space hydrodynamic force to obtain a wave overtopping index;
a wave-flow bottom shear stress calculation module used for calculating a wave-flow bottom shear stress of the target ecological seawall by using a preset coastal hydrodynamic model, calculating a bed load sediment transportation volume according to the wave-flow bottom shear stress, and calculating a suspended load sediment transportation volume by using a preset convection-diffusion equation;
a development index determining module of tidal flats in front of dike used for mapping the three-dimensional space hydrodynamic force to a two-dimensional bed surface by using a preset finite area method, calculating a two-dimensional bed surface change index according to the suspended load sediment transportation volume and the bed load sediment transportation volume, and determining a development index of tidal flats in front of dike of the target ecological seawall by using a preset Exner equation according to the two-dimensional bed surface change index; and
a disaster prevention and mitigation effectiveness grade calculation module used for calculating a disaster prevention and mitigation effectiveness grade of the target ecological seawall according to the wave overtopping index and the development index of the tidal flats in front of dike.