Research Article

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

Table 6

Approximated limit state function constructed by SRSM in SORA.

Iteration

1−0.01990.1130−0.0971−0.1101−0.01140.0103−0.0048−0.0000−0.00550.0117
20.35310.0717−0.0623−0.0691−0.00720.0066−0.00310.0000−0.00350.0073
30.35170.0718−0.0624−0.0693−0.00730.0066−0.0031−0.0000−0.00350.0073