...Sadik Lafta Omairey; Peter Donald Dunning; Srinivas Sriramula Purpose The purpose of this study is to enable performing reliability-based design optimisation (RBDO) for a composite component while accounting for several multi-scale uncertainties using a large representative volume element (LRVE...

... response surface closer to the actual limit state surface. Structural reliability analysis Response surface method Downhill simplex algorithm Uncertainty Limit state function Probability of failure In the second step, the DSA is applied to select a suitable initial experimental design...

...Hui Lü; Kun Yang; Wen-bin Shangguan; Hui Yin; DJ Yu Purpose The purpose of this paper is to propose a unified optimization design method and apply it to handle the brake squeal instability involving various uncertainties in a unified framework. Design/methodology/approach Fuzzy random...

... for the effective and robust implementation of BA. Findings The paper reveals the inner dependent relationship between factors and output in both of original and improved BA. It figures out the weakness in original BA and improves that. It suggests that uncertainty brought about by factors are mainly caused...

... constant in J/(kg K). Differentiating the preceding equation with respect to time, the following equation can be obtained as: Uncertainty Computer calculation Parameter estimation method Pneumatic system Polynomial chaos expansion The load sensing proportional valve (LSPV) can effectively...

...Yuying Xia; M. Friswell Purpose – Many analysis and design problems in engineering and science involve uncertainty to varying degrees. This paper is concerned with the structural vibration problem involving uncertain material or geometric parameters, specified as fuzzy parameters. The requirement...