Nonlinear Dynamic Identification of Beams Resting on Nonlinear Viscoelastic Foundations Based on the Time-Delayed Transfer Entropy and Improved Surrogate Data Algorithm

Table 3

The ratio between the average of the absolute values of the nonlinear restoring force term () and the average of the absolute values of the linear restoring force term () at the position of sampling point 4 at different nonlinearity degrees.

Nonlinearity degree	0	1	2	3	4	5	6	7
The ratio	0	0.0048	0.0238	0.0472	0.0923	0.1349	0.1632	0.2123