Robust Design Optimization of Car-Door Structures with Spatially Varied Material Uncertainties

Table 3

Results for the lightweight design optimization associated with various probability-based constraints.

Probability-based constraint
							Mean	COV (%)
	1.4284	1.9427	0.6406	0.7791	0.5985	1.2617	4.9889	9.78
	1.4531	1.9819	0.6780	0.8121	0.6369	1.3291	5.1712	10.66
	1.4775	2.1364	0.7385	0.8976	0.7643	1.4917	5.6679	8.91
	1.4749	2.1245	0.7346	0.9115	0.7585	1.4731	5.8578	10.52

f₀ = 22 Hz and s₀ = 123 N/mm.