Research on Multidisciplinary Optimization Design of Bridge Crane

Table 4

Comparing the stress and displacement.

Load step	Initial model		Final model
	Stress (MPa)	Displacement (mm)	Stress (MPa)	Displacement (mm)
L0	91.6	40.3	99	44.1
L1/L2	80.2		84.4
L3/L4	74.5		88.3