Robust design under mixed aleatory/epistemic uncertainties using gradients and surrogates

Journal of Uncertainty Analysis and Applications

Table 3 Comparison of NLMC and Kriging predictions for the initial guess with two shape design variables

	${\bar{C}}_{l_{min}}$	$σ_{C_{l_{min}}}$	${\bar{C}}_{d_{max}}$	$σ_{C_{d_{max}}}^{2}$
NLMC (3,000 optimizations)	0.195	2.1×10^-2	7.22×10^-3	7.9×10^-6
Kriging (13 optimizations)	0.195	2.1×10^-2	7.22×10^-3	7.9×10^-6