id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-1574	Balcau, Monica; Plesa, Angela; Opruta, Dan	Contributions to the Study of Dynamic Absorbers, a Case Study	2012	4	.pdf	application/pdf	2000	69	55	Figure 1: Mechanical system This case starts from the differential equation sys- tem governing the torsional vibrations created by the mechanical system presented in Figure 2: m1 d2a1 dt2 + c12(a1 − a2) = Px cos(Ωxt− ε) (1) m4 d2a4 dt2 + c34(a4 − a3) = 0 Figure 2: Equivalent mechanical system The relative linear elongations (displacement) ai measured on the reduced circle of radius r (of the vibrations of the four reduced masses) are expressed in relation to the linear amplitudes Ai:	cache/ap-1574.pdf	txt/ap-1574.txt