|
|
|
|
|
Oscar Bermejo, Juan Manuel Gallardo, Adrian Sotillo, Arnau Altuna, Roberto Alonso and Andoni Puente
Labyrinth seals are commonly used in turbomachinery in order to control leakage flows. Flutter is one of the most dangerous potential issues for them, leading to High Cycle Fatigue (HCF) life considerations or even mechanical failure. This phenomenon dep...
ver más
|
|
|
|
|
|
|
|
|
|
|
Davide Pederbelli, Luca Goglio, Davide Paolino, Massimo Rossetto and Andrea Tridello
Modern structures are designed to withstand in-service loads over a broad frequency spectrum. Nonetheless, mechanical properties in numerical codes are assumed to be frequency-independent to simplify calculations or due to a lack of experimental data, an...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhi Bian, Xiaojia Wang, Zhe Zhang, Chao Song, Tongzhou Gao, Weiping Hu, Linlin Sun and Xiao Chen
As a popular technique, additive manufacturing (AM) has garnered extensive utilization in various engineering domains. Given that numerous AM metal components are exposed to fatigue loads, it is of significant importance to investigate the life predictio...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yibing Yu, Linlin Sun, Zhi Bian, Xiaojia Wang, Zhe Zhang, Chao Song, Weiping Hu and Xiao Chen
A novel fatigue evolution model considering the effect of defect size and additive manufacturing building direction based on the theories of continuum damage mechanics and its numerical implementation in ABAQUS is proposed in this paper. First, the const...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dong Qin, Xu Geng, Zhao Jie and Hu Yaoyu
The traditional study on fatigue strength for ship structures usually focuses on high cycle fatigue and ignores low cycle fatigue. However, given the recent trend towards large-scale ship development, the stress and deformation experienced by ship struct...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jörg R. Riccius and Evgeny B. Zametaev
A numerical turbine-blade fatigue-life analysis method is suggested. This method comprises a stationary thermal 3D finite element (FE) analysis of the hot run for the combined high-cycle fatigue (HCF) and creep analysis, and a follow-on (one-way coupled)...
ver más
|
|
|
|
|
|
|
|
|
|
|
Michael P. Milz, Andreas Wirtz, Mohamed Abdulgader, Anke Kalenborn, Dirk Biermann, Wolfgang Tillmann and Frank Walther
Offshore installations, e.g., offshore wind turbines and pipelines, are exposed to various mechanical loads due to wind or waves and corrosive loads such as seawater or mist. ZnAl-based thermal sprayed coatings, often in conjunction with organic coatings...
ver más
|
|
|
|
|
|
|
|
|
|
|
Erfan Maleki, Okan Unal, Seyed Mahmoud Seyedi Sahebari, Kazem Reza Kashyzadeh and Igor Danilov
In this study, deep learning approach was utilized for fatigue behavior prediction, analysis, and optimization of the coated AISI 1045 mild carbon steel with galvanization, hardened chromium, and nickel materials with different thicknesses of 13 and 19 µ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yong Chen, Lu Jin, Xu Tang, Dandan Huang and Jiguo Zhang
The vibration characteristics of a composite fan blade are much more complex than those of a solid titanium fan blade due to the anisotropic material properties and complex excitations coming from unsteady flow and mechanically induced vibration. In this...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaojie Zhang, Yanrong Wang and Xianghua Jiang
Resonant response of turbomachinery blades can lead to high cycle fatigue (HCF) if the vibration amplitudes are significant. Therefore, the dangerousness assessment of the resonance crossing is important. It requires accurate predictions of the aerodynam...
ver más
|
|
|
|
|
|