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

Table 1

Relative error of recovery coefficient under the collision between sphere and static rigid plane.

	⁢The model of this paper		⁢Nonlinear viscoelastic model		⁢Hertz-damp model
		Error (%)		Error (%)		Error (%)
0.1	0.0724	27.6	0.0680	32.0	0.6639	563.9
0.2	0.1618	19.1	0.1544	22.8	0.6715	235.8
0.3	0.2690	10.3	0.2568	14.4	0.6841	128.0
0.4	0.3779	5.5	0.3619	9.5	0.7024	75.6
0.5	0.4831	3.4	0.4710	5.8	0.7258	45.2
0.6	0.5916	1.4	0.5762	4.0	0.7563	26.1
0.7	0.6937	0.9	0.6827	2.5	0.7960	13.7
0.8	0.7965	0.4	0.7874	1.6	0.8477	6.0
0.9	0.9000	0.0	0.8936	0.7	0.9142	1.6
1.0	1.0000	0.0	1.0000	0.0	1.0000	0.0