Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: An Analytical Study on Forced Vibration of Beams Carrying a Number of Two Degrees-of-Freedom Spring–Damper–Mass Subsystems J. Vib. Acoust. 2016;138(6):061011-061011-15. doi:10.1115/1.4034252 Figure Legend: Frequency response at P1, P2, P3, and P4, as illustrated in Fig. 4(a) force is applied at P1, (b) force is applied at P2, and (c) force is applied at P3 (FR at P1 with the presented method,· FR at P1 with FEM, FR at P2 with the presented method, FR at P3 with FEM, FR at P3 with the presented method, FR at P3 with FEM, FR at P4 with the presented method, and FR at P4 with FEM)