Bidirectional conveying coupling simulation method for coal conveying belt

The invention provides a bidirectional conveying coupling simulation method for a coal conveying belt, which comprises the following steps: establishing a belt bidirectional conveying physical model, importing multi-body dynamics simulation software, and generating a wall file of the belt bidirectional conveying model; establishing a coal particle three-dimensional point cloud model, and importing discrete element simulation software to generate a particle model; importing the wall file into the discrete element simulation software, completing setting of contact parameters of the coal particles and the belt bidirectional conveying model and basic physical characteristic parameters of the coal particles, and then performing simulation; inputting contact parameters among parts of a belt into the multi-body dynamics simulation software, inputting basic physical characteristics of coal particles into the discrete element simulation software, and performing coupling simulation on the contact parameters and the dis