Research on Dynamic Stability Optimization of Rock Spreader considering Prevention of Geological Subsidence and Local Collapse in Reclamation Area

Table 11

Comparison of dynamic performance of discharging boom before and after optimization.

Frequency order	Before optimization	After optimization	Changes (%)
1	1.68	1.44	−14.28
2	3.37	3.23	−4.15
3	4.78	4.68	−2.09
4	6.59	5.09	−22.76
5	8.36	6.46	−22.73
6	8.93	8.51	−4.70