Reliability-Based Topology Optimization Using Stochastic Response Surface Method with Sparse Grid Design

Table 1

Comparison of topology optimization design results.

Approach	Volume/volume fraction; (mm^2)/%	Reliability index (β)	Computing time (s)	Design point
				/MPa	F/N
DTO	1047.19/38.78	—	314.74	—	—
PMA	1351.48/50.05	3.002	1655.11	1.59 × 10^5	117.68
SORA	1351.48/50.05	3.002	493.58	1.59 × 10^5	117.68