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Spatial rigid-multi-body systems with lubricated spherical clearance joints : m...
Flores, Paulo; Lankarani, Hamid M.The dynamic modeling and simulation of spatial rigid-multi-body systems with lubricated spherical joints is the main purpose of the present work. This issue is of paramount importance in the analysis and design of realistic multibody mechanical systems undergoing spatial motion. When the spherical clearance joint is modeled as dry contact; i.e., when there is no lubricant between the mechanical elements which c...
Development of a planar multi-body model of the human knee joint
Machado, Margarida F.; Flores, Paulo; Claro, José Carlos Pimenta; Ambrósio, Jorge; Silva, Miguel; Completo, António; Lankarani, Hamid M.The aim of this work is to develop a dynamic model for the biological human knee joint. The model is formulated in the framework of multibody systems methodologies, as a system of two bodies, the femur and the tibia. For the purpose of describing the formulation, the relative motion of the tibia with respect to the femur is considered. Due to their higher stiffness compared to that of the articular cartilages, ...
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