autores Fernandes, Joao Paulo Tian, Q. Xiao, Qianfei Sun, Yanlei Sun,Yanlei Hu, Haiyan Liu, Hui Flores, Paulo
palavras-chave Absolute Nodal Coordinate Formulation (ANCF) ElastoHydroDynamic (EHD) lubrication Geared multibody system Sliding frictional force Time-varying meshing stiffness