Structural Reliability Analysis via the Multivariate Gegenbauer Polynomial-Based Sparse Surrogate Model

Figure 1

The first six orders of the Gegenbauer polynomial with various realizations of the parameter , and 3.0. (a) : the Legendre polynomial. (b) β = 1: the Chebyshev polynomial. (c) β = 2.0. (d) β = 3.0.

(a)

(b)

(c)

(d)