c1=2,c2=1,m1=2,m2=1,c=1,v=0.35vc.mp4 from Dynamic fracture of a dissimilar chain N. Gorbushin G. Mishuris 10.6084/m9.figshare.9387122.v1 https://rs.figshare.com/articles/media/c1_2_c2_1_m1_2_m2_1_c_1_v_0_35vc_mp4_from_Dynamic_fracture_of_a_dissimilar_chain/9387122 video file (reflected wave) 2019-08-08 15:30:51 brittle fracture discrete dissimilar structure crack propagation subsonic and supersonicsteady-state regimes Wiener–Hopf technique