...Ke Liu; Mengli Yan; Aijun Xiang; Hao Ma; Hu Li; Zijian Xu; Le Dong; Changqi Luo; Debiao Meng Purpose Accurate reliability evaluation of turbine runners under long-term and complex loads is essential, but reliability analysis of turbine runners often suffers from high computational cost, high input...

... errors below 7.7%. Originality/value By integrating these two high-precision models within the reliability prediction framework, a comprehensive HCF reliability analysis is achieved that simultaneously accounts for uncertainties in aerodynamic excitation and material HCF strength. The analysis...

...Zhen-Ao Li; Yun-Wen Feng; Xian-Min Chen Purpose Complex structures are subjected to multiple sources of uncertainty during service life, and their intrinsic failure mechanisms are complicated. It is important to achieve accurate response prediction and reliability analysis as a prerequisite...

... applied in building and bridge structures are evaluated by the reliability analysis given by Mont Carlo simulation (MCS). The research mainly aimed at quantifying the effects of nanoparticles on enhancing the safety conditions of beams. Ultimately, the objective is to establish whether nanoparticles can...

...Chao Wu Purpose Mechanical structures in actual service conditions often exhibit multiple potential failure modes, which may occur independently, interactively or in a competitive manner. Therefore, a comprehensive reliability analysis considering multiple failure modes is essential. Design...

... the primary energy. As a critical part of the wind turbine, the gearbox of a wind turbine often bears a large external load. Especially at sea, due to the effects of ocean corrosion, waves and wind, the burden of the wind turbine gearbox is greater, which brings great challenges to its reliability analysis...

.... Therefore, the primary aim of this study is to address this issue. Design/methodology/approach This study first establishes reliability analysis models for medium- to high-strength steels, represented by X65 and X80. In these models, the effect of HID is expressed by reduced stress, and its statistical...

... Carlo method, providing valuable insights for subsequent analysis and structural optimization. Originality/value The use of the surrogate model approach for structural reliability analysis significantly improves solution efficiency. Furthermore, the integration of ISSA with the BP neural network...

... of reliability analysis and deflection behavior of a pre-tensioned TMS. The mean value first-order second-moment method (MVFOSM) method is used here to evaluate stochastic moments of a performance function with random input variables. Results suggest the influence of modulus of elasticity, the thickness...

... of the structure shows strong nonlinearity or even implicit, traditional methods often fail to meet the actual needs of engineering in terms of calculation accuracy or efficiency. Design/methodology/approach To improve the reliability analysis efficiency and calculation accuracy of complex structures...

...Xue-Qin Li; Lu-Kai Song; Guang-Chen Bai Purpose To provide valuable information for scholars to grasp the current situations, hotspots and future development trends of reliability analysis area. Design/methodology/approach In this paper, recent researches on efficient reliability analysis...

...Pengpeng Zhi; Yue Xu; Bingzhi Chen Purpose Most of the previous work on reliability analysis was based on the traditional reliability theory. The calculated results can only reflect the reliability of components at a specific time, which neglects the uncertainty of load and resistance over time...

... is predicted. Fatigue life evaluation is carried out from three aspects: reliability analysis, static analysis and fatigue life simulation. Findings The results show that the reliability of the test sample is 99.9 percent when the confidence is 90 percent and the durability is 1,073 load spectrum cycles...

... wavelet transform (DWT) of automobile coil spring signal is implemented as a response to different road surfaces. A reliability analysis is applied to determine the potential of the wavelet implementation in fatigue life analysis. The signals used in this study are highway and rural road. Findings...

... function and the failure is avoided. The traditional method of handling uncertainties is by using safety factors to set conservative limits for the design values of factors, such as stress, that are derived from uncertain design parameters. Structural reliability analysis is used to evaluate...