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

Table 2

Approximated limit state function constructed by SRSM in PMA.

Iteration
1		0.3782			0.0381
2		0.1500			0.0151
3	0.2686	0.0790			0.0080
101	0.2484	0.0812			0.0082
102	0.2484	0.0812			0.0082
103	0.2484	0.0812			0.0082

Approximated limit state function: .