Abstract:In mountainous areas, the flooding of rivers causes the accumulation of floating debris, forming a floating composite on the river surface. This can easily lead to dragging off mooring navigation marks, ships' anchor cables coming loose, loss of control, and capsizing, severely impacting navigational safety. The removal of bamboo and wood debris in the floating composite has become an urgent need for the safety work of mooring in mountainous river areas. A method is proposed for removing anchor cable entanglements. Based on this, the LS-DYNA module of the numerical analysis software ANAYS is utilized to establish a model of the interaction between the proportion of high-energy abrasive particles in hydraulic jets and their erosion effect on wood materials. The research investigated the influence of abrasive particle proportions on the erosion effect of wood materials, providing technical support for the development of devices for removing anchor cable entanglements. The results show that during the erosion process of abrasive particles in hydraulic jets, the water column velocity is more concentrated compared to pure water. The stress on the target body during erosion is greater than with pure water, resulting in better erosion depth compared to pure water. However, the increase in abrasive particle proportion does not significantly increase this impact, and the presence or absence of abrasive particles has minimal effect on the size of the erosion aperture on wood materials.