Crop inter-row air supply spraying simulation method based on CFD theory

The invention relates to a CFD theory-based crop inter-row air supply spraying simulation method, and belongs to the technical field of precise pesticide application. The method comprises the steps of building a crop inter-row air supply spraying physical model, determining a fluid computational domain, dividing grids, setting boundary conditions, calculating and solving, and post-processing a result. The crop inter-row air-conveying spraying physical model comprises an atomizer, crop rows and an air conveying system, the atomizer is simulated by a DPM model, the air conveying system is simplified and replaced by an air duct, a momentum source item is arranged in a crop area, and a porous medium model is used for simulation. According to the simulation method provided by the invention, the hindering effect of the crop rows on the airflow and the fog drops is introduced into the computational domain, the interaction effect between the airflow and the crops is considered, the fog drop conveying process of the a