Institution: | (1) Bristol Center for Applied Nonlinear Mathematics, Department of Engineering Mathematics, University of Bristol, Queen s Building, University Walk, Bristol BS8 1TR, United Kingdom;(2) Department of Applied Mechanics, Budapest University of Technology and Economics, Pf. 91, Budapest H-1521, Hungary;(3) Research Group on Dynamics of Vehicles and Machines, Hungarian Academy of Sciences, Pf. 91, Budapest H-1521, Hungary |