Research Article

An Efficient Polynomial Chaos Method for Stiffness Analysis of Air Spring Considering Uncertainties

Table 2

Range of variation of interval variables for the air spring system.

ParametersE (MPa)Cord angleCross section of cordC01 of rubberC10 of rubberThickness of rubber

Range of variation[1657, 1996][40.8, 49.1][5.4, 6.5][0.3, 0.9][0.03, 0.09][6, 8] mm