... cylinders disks spheres Laplace transform The boundary conditions are given as: 5 σ r | r = a = 0 σ r | r = ka = 0 Using the dimensionless variables 6 v = u a ,     x = r a ,     τ = ct a renders Eq. 4...

...Rahul Mourya; Anindya Chatterjee In prior work, Calsamiglia et al. (1999, “Anomalous Frictional Behavior in Collisions of Thin Disks,” ASME J. Appl. Mech., 66, pp. 146–152) reported experimental results of collisions between thin plastic disks and a relatively rigid steel barrier. In those...