Study on the properties of the two types of channel wave with 3D finite-difference method

This article studies the formation, propagation and spatial distribution of the two types of channel wave in three-dimensional space, using three-dimensional inhomogeneous isotropic medium wave equation and solving the elastic wave equation with finite-difference method. Geological model designed in this paper are symmetric model about coal seam. At final we analysis the formation, propagation characteristics and spatial distribution of the two types of channel wave, compare distinction and connection of the two types of channel wave and then provide a theoretical basis and guidance for the channel wave exploration.