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

Table 4

Comparison of topology optimization design results.

Approach	Volume/volume fraction (mm^2)/%	Reliability index (β)	Computing time (s)	Design point
				/MPa	/N	/N
DTO	918.59/25.52	—	971.31	—	—	—
PMA	1345.49/37.37	3.003	8266.06	5.62 × 10^4	171.53	116.15
SORA	1345.49/37.37	3.003	2296.5	5.62 × 10^4	171.53	116.15