The wave propagation phenomenon in a single straight chain of disks made of PSM9 was simulated numerically using the finite element code ABAQUS. The results yield information on the stress wave propagation along the chain. Qualitative agreement with experimental data that was obtained using an optical method of dynamic photo‐elasticity and strain gages was obtained. The results of the comparison clearly demonstrate that the stress propagation phenomena are largely governed by the quality of the contacts between the disks. Based on the obtained results justifications for further research efforts on this subject are presented. © 2004 American Institute of Physics