Fire scene high-precision simulation system and method

The invention relates to a high-precision simulation system and method for a fire scene, and the system comprises a building, and also comprises the following steps: S101, building a 3D model of the building, importing the 3D model into simulation software, and obtaining a fire simulation model; step S103, setting grid parameters in the fire simulation model; s105, setting an ignition point in the fire simulation model; s107, initial condition parameters of the building environment are set in the fire simulation model; and S109, performing numerical simulation of the fire in the fire simulation model, and recording a change result of the data. According to the simulation system, software is used for performing high-precision fire dynamics simulation, and detailed simulation data is generated through detailed building model design, accurate scene parameter setting, reasonable sensor arrangement and efficient simulation operation, so that a scientific basis is provided for formulating precautionary measures; me