Research on the Simulation of Wheelset Response Characteristic Identification of Railway Fastener Loosening

Figure 8

Loose fastener condition. The red square and cross is the position of loose fastener: one loose fastener in condition 1, two opposite in condition 2, and two consecutive in condition 3. The looseness of fastener could be set separately. (a) Condition 1. (b) Condition 2. (c) Condition 3.

(a)

(b)

(c)