|
|
|
|
|
Zhi Shan, Zhiwu Yu, Xiao Li, Xiaoyong Lv and Zhenyu Liao
For concrete, fatigue is an essential mechanical behavior. Concrete structures subjected to fatigue loads usually experience a progressive degradation/damage process and even an abrupt failure. However, in the literature, certain essential damage behavio...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jin Gan, Di Sun, Hui Deng, Zhou Wang, Xiaoli Wang, Li Yao and Weiguo Wu
In order to investigate the non-linear fatigue cumulative damage of joints in ocean structural parts, one type of low carbon steel Q345D was employed to prepare designed T-type specimens, and a series of fatigue experiments were carried out on the specim...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jun Wu, Wen Wang, Minghui Lu and Yu Hu
A metal fatigue damage model is established in this study by employing real-time strain monitoring to evaluate the damage state of metal materials. The fatigue life simulation, based on crystal plasticity finite element analysis, establishes the constitu...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xu Zhang, Wenchi Ni and Liping Sun
In this paper, fatigue analysis of oil offloading lines (OOLs) in the floating production storage and offloading (FPSO) catenary anchor leg mooring (CALM) buoy offloading system under wave and current loads in the West Africa Sea area is carried out by t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hongxin Zhu, Yimin Zhu, Xiaoyi Zhang, Jian Chen, Mingyu Luo and Weiguang Huang
Performing online damage evaluation of blades subjected to complex cyclic loads based on the operating state of a gas turbine enables real-time reflection of a blade?s damage condition. This, in turn, facilitates the achievement of predictive maintenance...
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
|
|
|
|
|
|
|
|
|
|
|
Jian-Xiong Gao, Fei Heng, Yi-Ping Yuan and Yuan-Yuan Liu
Fatigue damage accumulation will not only cause the degradation of material performance but also lead to the growth of effective stress and critical stiffness. However, the existing fatigue reliability models usually ignore the effective stress growth an...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xing Zou, Botao Xie, Zhipeng Zang, Enbang Chen and Jing Hou
Sand waves are commonly formed on the sandy seabed of the continental shelf and characterized by their regular wave-like shape. When a submarine pipeline is laid on this type of seabed, it often experiences free spans due to the unevenness of the seabed....
ver más
|
|
|
|
|
|
|
|
|
|
|
Yuanzhi Guo, Shuqing Wang, Haiyan Guo and Xiancang Song
Due to inherent nonlinearities within floating systems and the second-order wave forces affecting them, the dynamic responses of floating systems manifest as bimodal Gaussian processes. Consequently, the classical spectral fatigue assessment method groun...
ver más
|
|
|
|
|
|
|
|
|
|
|
Idilson A. Nhamage, Ngoc-Son Dang, Claúdio S. Horas, João Poças Martins, José A. Matos and Rui Calçada
Railway infrastructures play a pivotal role in developing the national transportation system. Recently, the strategy of the railway engineer has been significantly shifted; along with the development of new assets, they tend to pay increasing attention t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mattia Mairone, Rebecca Asso, Davide Masera, Stefano Invernizzi, Francesco Montagnoli and Alberto Carpinteri
Orthotropic steel deck (OSD) bridges are lightweight constructions which are convenient, especially for the achievement of long spans. Conversely, due to the stress concentration in correspondence to the numerous and unavoidable welded construction detai...
ver más
|
|
|
|
|
|
|
|
|
|
|
Huawei Fu, Xuhong Zhou, Qishi Zhou, Ping Xiang, Zhibin Zhou and Qiang Fu
Reasonable fatigue load should be determined before bridge fatigue analysis. However, the design frequency calculation method of the standard vehicle does not always make sense when the standard vehicle load model that is provided by existing standards i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jianxing Yu, Fucheng Wang, Yang Yu, Haoda Li, Xin Liu and Ruoke Sun
Multilayer composite flexible risers have been widely used in engineering. However, this type of structure is complex, as there are influences between layers. Moreover, a range of uncertain factors need to be considered in fatigue analysis. Therefore, it...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kai Liu, Fangli Wang, Wei Pan, Le Yang, Shuwei Bai, Qiang Zhu and Mingbo Tong
In order to determine the average behavior time of widespread fatigue damage (WFD) in an aircraft multi-site damage (MSD) structure and complete the fatigue analysis of WFD sensitive parts, this paper adopts a probabilistic method to analyze the crack in...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ying Li, Yu Zhang, Wenhua Wang, Xin Li and Bin Wang
The decrease in structural capacities under the limit states caused by structural corrosion is a potential hazard for the safety of offshore structures. Considering the influence of corrosion factors, a fatigue analysis of the typical tubular joints of a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jianxing Yu, Fucheng Wang, Yang Yu, Xin Liu, Pengfei Liu and Yefan Su
This paper presents a full-scale deep-water steel catenary riser fatigue test system. The proposed system can carry out fatigue tests on steel catenary risers, hoses, and subsea pipelines up to 21 m in length, ranging from 8 to 24 inches in diameter. The...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fulei Jing, Junjie Yang, Shibai Tang, Quan Wen, Tao Zhang, Jian Wu and Xueling Fan
Considering the influence of non-equibiaxial stress state and initial residual strain on the compressive buckling of the ceramic layer, a quantitative characterization method of the damage generated at the interface between the top coat and bond coat in ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pengfei Wang, Weiqiang Wang, Sanlong Zheng, Bingbing Chen and Zengliang Gao
Nonlinear ultrasonic testing is highly sensitive to micro-defects and can be used to detect hidden damage and defects inside materials. At present, most tests are carried out on specimens, and there are few nonlinear ultrasonic tests for fatigue damage o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xuan Mei and Min Xiong
In order to investigate the effects of second-order hydrodynamic loads on a 15 MW floating offshore wind turbine (FOWT), this study employs a tool that integrates AQWA and OpenFAST to conduct fully coupled simulations of the FOWT subjected to wind and wa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xunqian Xu, Yu Li, Wei Huang, Dakai Chen, Chen Zhang and Wenkang Shi
Based on the nonlinear damage theory, this paper aims to explore the fatigue performance of steel bridge deck asphalt pavement under multistage fatigue load. Manson?Halford cumulative damage model and the modified model were introduced to describe loadin...
ver más
|
|
|
|
|
|