[1] P. Flores, J. Ambrósio, Revolute joints with clearance in multibody systems, Computers & Structures, 82 (2004) 1359-1369.
[2] S. Dubowsky, F. Freudenstein, Dynamic analysis of mechanical systems with clearances, Part I: Formation of dynamic model, Journal of Engineering for Industry, (1971) 305–309.
[3] J. Rhee, A. Akay, Dynamic response of a revolute joint with clearance, Mechanism and Machine Theory, 31 (1996) 121-134.
[4] P. Ravn, A continuous analysis method for planar multibody systems with joint clearance, Multibody System Dynamics, 2 (1998) 1-24.
[5] A.L. Schwab, J.P. Meijaard, P. Meijers, A comparison of revolute joint clearance models in the dynamic analysis of rigid and elastic mechanical systems, Mechanism and Machine Theory, 37 (2002) 895-913.
[6] P. Flores, J. Ambrósio, J.P. Claro, Dynamic analysis for planar multibody mechanical systems with lubricated joints, Multibody System Dynamics, 12 (2004) 47-74.
[7] Q. Tian, Y. Zhang, L. Chen, P. Flores, Dynamics of spatial flexible multibody systems with clearance and lubricated spherical joints, Computers & Structures, 87 (2009) 913-929.
[8] Q. Tian, C. Liu, M. Machado, P. Flores, A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems, Nonlinear Dynamics, 64 (2011) 25-47.
[9] V.L. Reis, G.B. Daniel, K.L. Cavalca, Dynamic analysis of a lubricated planar slider–crank mechanism considering friction and Hertz contact effects, Mechanism and Machine Theory, 74 (2014) 257-273.
[10] M. Machado, J. Costa, E. Seabra, P. Flores, The effect of the lubricated revolute joint parameters and hydrodynamic force models on the dynamic response of planar multibody systems, Nonlinear Dynamics, 69 (2012) 635-654.
[11] C. Brutti, G. Coglitore, P.P. Valentini, Modeling 3D revolute joint with clearance and contact stiffness, Nonlinear Dynamics, 66 (2011) 531-548.
[12] I. Khemili, L. Romdhane, Dynamic analysis of a flexible slider–crank mechanism with clearance, European Journal of Mechanics-A/Solids, 27 (2008) 882-898.
[13] S. Mukras, N.H. Kim, N.A. Mauntler, T.L. Schmitz, W.G. Sawyer, Analysis of planar multibody systems with revolute joint wear, Wear, 268 (2010) 643-652.
[14] Z. Zhang, L. Xu, Y.Y. Tay, P. Flores, H. Lankarani, Multi-objective optimization of mechanisms with clearances in revolute joints, in: New Trends in Mechanism and Machine Science, Springer, 2015, pp. 423-433.
[15] S.M. Varedi, H.M. Daniali, M. Dardel, A. Fathi, Optimal dynamic design of a planar slider-crank mechanism with a joint clearance, Mechanism and Machine Theory, 86 (2015) 191-200.
[16] A. Sardashti, H.M. Daniali, S.M. Varedi, Optimal free-defect synthesis of four-bar linkage with joint clearance using PSO algorithm, Meccanica, 48 (2013) 1681-1693.
[17] S. Erkaya, I. Uzmay, A neural–genetic (NN–GA) approach for optimising mechanisms having joints with clearance, Multibody System Dynamics, 20 (2008) 69-83.
[18] S. Rahmanian, M.R. Ghazavi, Bifurcation in planar slider–crank mechanism with revolute clearance joint, Mechanism and Machine Theory, 91 (2015) 86-101.
[19] J. Chunmei, Q. Yang, F. Ling, Z. Ling, The non-linear dynamic behavior of an elastic linkage mechanism with clearances, Journal of Sound and Vibration, 249 (2002) 213-226.
[20] A.M. Vaidya, P.M. Padole, A performance evaluation of four bar mechanism considering flexibility of links and joints stiffness, Open Mechanical Engineering Journal, 4 (2010) 16-21.
[21] S. Erkaya, Prediction of vibration characteristics of a planar mechanism having imperfect joints using neural network, Journal of Mechanical Science and Technology, 26 (2012) 1419-1430.
[22] G. Yang, J. Yang, C. Qiang, J. Ge, Q. Chen, Natural frequencies of a cantilever beam and block system with clearance while block staying on given position, Journal of Vibration and Control, 19 (2013) 262-275.
[23] E. Salahshoor, S. Ebrahimi, M. Maasoomi, Nonlinear vibration analysis of mechanical systems with multiple joint clearances using the method of multiple scales, Mechanism and Machine Theory, 105 (2016) 495-509.
[24] P. Flores, H.M. Lankarani, Contact force models for multibody dynamics, Springer International Publishing, 2016.
[25] P. Flores, Dynamic analysis of mechanical systems with imperfect kinematic joints, in, University of Minho, Braga, Portugal, 2004.
[26] J.K. Kevorkian, J.D. Cole, Multiple scale and singular perturbation methods, Springer-Verlag New York, 1996.
[27] A.H. Nayfeh, D.T. Mook, Nonlinear oscillations, John Wiley & Sons, 1995.
[28] A.F. El-Bassiouny, Structural modal interactions with internal resonances and external excitation, Physica Scripta, 72 (2005) 132-141.
[29] R.J. Schiling, S.L. Harris, Applied numerical methods for engineers using MATLAB, Brooks/Cole Publishing Co., Pacific Grove, CA, USA, 2000.