Surrogate-Based Multisource Sensitivity Analysis of TBM Driving System

Table 2

Comparison of the measured and numerical results of the axial vibration accelerations.

Test point	Node	Predicted Value (g)	Measured Value (g)	Relative Error
Cutterhead	3	1.10	0.93	18%
Shield	43	0.56	0.40	40%
Gripper	50	0.04	0.08	50%