Fig. 13From: The mechanism of spontaneous corrugation on the snowy and icy roads produced by the moving vehicles in cold regionsFour samples of running spectrum of 2.52 Hz (a), 3.56 Hz (b), 4.36 Hz (c) and 5.63 Hz (d), respectively, at the track rotating velocity of 12.0 rpm after 720 s of simulationBack to article page