Layout Design of Stiffened Plates for Large-Scale Box Structure under Moving Loads Based on Topology Optimization

Table 4

Comparison of mechanical performances.

	Max displacement (mm)	Max stress (MPa)	Mass (kg)
Initial model	0.12898	12.777	40058
New model	0.10655	10.234	35023
Variation	−17.39%	−19.9%	−12.57%