有限元, Stribeck摩擦模型, 干摩擦滑块, 接触

Based on finite element theory, the contact problem of sliding block was studied with the application of Stribeck friction model, and the stress and displacement distribution of sliding block were obtained. The numerical results show that: the stress distribution on contact surface is relative to the relative velocity of sliding block and friction coefficient, and the maximum relative error of stress can be 100.08%. The non-linear Stribeck friction model can better describe the real situation of contact surface, because of the consideration of impact of the relative velocity to the friction. Finally, with the designed program and ANSYS software, the comparison of the stress distribution under Coulomb friction condition was presented, which validated the accuracy of the designed program. 