Improved Damping Constant of Hertz-Damp Model for Pounding between Structures

Table 2

Relative error of recovery coefficient under the collision between the pendulum and the static rigid wall.

	⁢The model of this paper		⁢Nonlinear viscoelastic model		⁢Hertz-damp model
		Error (%)		Error (%)		Error (%)
0.1	0.0738	26.2	0.0688	31.2	0.6604	560.4
0.2	0.1644	17.8	0.1550	22.5	0.6698	234.9
0.3	0.2696	10.1	0.2557	14.8	0.6835	127.8
0.4	0.3785	5.3	0.3622	9.5	0.7015	75.4
0.5	0.4857	2.9	0.4692	6.2	0.7250	45.0
0.6	0.5921	1.3	0.5769	3.9	0.7553	25.9
0.7	0.6949	0.7	0.6826	2.5	0.7955	13.6
0.8	0.7976	0.3	0.7869	1.6	0.8481	6.0
0.9	0.9000	0.0	0.8948	0.6	0.9137	1.5
1.0	1.0000	0.0	1.0000	0.0	1.0000	0.0