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Design optimization of a wind turbine gear transmission based on fatigue reliability sensitivity

Genshen LIU, Huaiju LIU, Caichao ZHU, Tianyu MAO, Gang HU

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1, Pages 61-79 doi: 10.1007/s11465-020-0611-5

Abstract: Various issues, such as overweight structure or insufficient fatigue reliability, require continuousIn this work, a novel gear transmission optimization model based on dynamic fatigue reliability sensitivityIn the model, the dynamic fatigue reliability of the gear transmission is evaluated based on stress–strengthreliability constraints.reliability.

Keywords： gear transmission fatigue reliability reliabi-lity sensitivity parameter optimization

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A dimensional analysis on asphalt binder fracture and fatigue cracking

Qian ZHAO, Zhoujing YE

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2, Pages 201-206 doi: 10.1007/s11709-017-0402-1

Abstract: Fracture and fatigue cracking in asphalt binder are two of most serious problems for pavement engineersTheorem and -integral analysis based on classic fracture mechanics, to evaluate the fracture and fatiguediscovered that the dimensional analysis could provide a new perspective to analyze the asphalt fracture and fatigue

Keywords： Dimensional analysis asphalt fracture fatigue cracking

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Hierarchical approach for fatigue cracking performance evaluation in asphalt pavements

Ibrahim ONIFADE, Yared DINEGDAE, Björn BIRGISSON

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3, Pages 257-269 doi: 10.1007/s11709-017-0410-1

Abstract: In this paper, a hierarchical approach is proposed for the evaluation of fatigue cracking in asphaltThe levels of fatigue damage analysis provides pavement engineers a variety of tools that can be used

Keywords： fatigue cracking energy based crack initiation mechanistic approach pavement analysis

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Assessment of fatigue life of remanufactured impeller based on FEA

Lei XU,Huajun CAO,Hailong LIU,Yubo ZHANG

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3, Pages 219-226 doi: 10.1007/s11465-016-0394-x

Abstract:

Predicting the fatigue life of remanufactured centrifugal compressor impellers is a critical problemA fatigue life simulation model was built, and fatigue life was analyzed based on the fatigue cumulativelife impact factors and fatigue fracture areas.Results showed that the load amplitude greatly affected fatigue life, the impeller was protected fromrunning at over-speed, and the predicted fatigue life was satisfied within the next service cycle safely

Keywords： remanufactured impeller fatigue life impeller failures finite element analysis (FEA)

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Study on fatigue performance of steel deck pavement for the Fourth Nanjing Yangtze River Bridge

Zhan Yu,Li Guofen,Wang Hongchang

Strategic Study of CAE 2013, Volume 15, Issue 8, Pages 75-78

Abstract: Based on the steel deck pavement of the Fourth Nanjing Yangtze River Bridge, this paper carried out fatigueThe splitting fatigue tests and five stress levels of 0.2, 0.3, 0.4, 0.5, 0.6 were used to study thefatigue property of each layer; in dition, the fatigue tests of composite beams with steel plates andthree load levels of 6 kN, 7 kN, 8 kN were chosen to study the fatigue property of the composite structureFinally, the fatigue equation by regression analysis was got.

Keywords： highway engineering steel deck pavement fatigue property splitting fatigue fatigue equation

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Current status and prospects of reliability systems engineering in China

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 492-502 doi: 10.1007/s42524-021-0172-2

Abstract: This study provides a systematic overview of the advent and evolution of reliability systems engineering

Keywords： reliability effectiveness model-based systems engineering reliability systems engineering

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Contact fatigue life prediction of a bevel gear under spectrum loading

Pan JIA, Huaiju LIU, Caichao ZHU, Wei WU, Guocheng LU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1, Pages 123-132 doi: 10.1007/s11465-019-0556-8

Abstract: Rolling contact fatigue (RCF) issues, such as pitting, might occur on bevel gears because load fluctuationsimulated with the finite element method, and the RCF life is predicted using the Brown–Miller–Morrow fatigueThe patterns of fatigue life on the tooth surface are simulated under various loading levels, and theThe effects of various fatigue damage accumulation rules on fatigue life are compared and discussed in

Keywords： bevel gear rolling contact fatigue (RCF) multiaxial fatigue criterion load spectrum damage accumulation

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Enhancing fatigue life of cylinder-crown integrated structure by optimizing dimension

Weiwei ZHANG,Xiaosong WANG,Zhongren WANG,Shijian YUAN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1, Pages 102-110 doi: 10.1007/s11465-015-0329-y

Abstract: During the engineering design of cylinder-crown integrated structure, in order to increase the fatigueSubsequently, strain-controlled fatigue test is carried out, and the stress-strain hysteresis loops andBased on linear fit, the fatigue properties are calculated and used for the fatigue life prediction.It is shown that the predicted fatigue life is significantly increased from 157000 to 1070000 cycles

Keywords： cylinder-crown integrated hydraulic press (CCIHP) adaptive macro genetic algorithms (AMGA) strain-controlled fatigue

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The Analyzing Method for Fatigue Life of Aircraft Structures Under Corrosive Environment

Mu Zhitao

Strategic Study of CAE 2002, Volume 4, Issue 3, Pages 68-72

Abstract: the environment characteristics and corrosion depth distribution law of the naval aircraft structures fatiguenotch factor (K_f) and fatigue life mathematical model was built by using the Stress Fieldtaking into consideration the influences of corrosion depth in the ground environment and corrosion fatigueenvironment of the humidity air, salt fog, salt fog + SO₂ this method made correction for fatigueFinally, combing with a real case of fatigue life and residual life prediction of the flange for the

Keywords： aircraft structure fatigue life corrosive environment fatigue notch factor

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Human reliability in maintenance task

Pacaiova HANA,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2, Pages 184-188 doi: 10.1007/s11465-010-0002-4

Abstract: The importance of considering the reliability of maintenance tasks and the method to reach it are also

Keywords： maintenance risk assessment failure reliability prevention

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Investigation of fatigue resistance of fillet-welded tube connection details for sign support structures

Hyungjoo CHOI, Husam NAJM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1, Pages 199-214 doi: 10.1007/s11709-019-0592-9

Abstract: results and the variability in existing fatigue testing results.The resulting fatigue resistance from FE analysis was expressed in terms of fatigue life, fatigue damage, and fatigue safety factor to determine the fatigue performance of fillet-welded connections.provided to determine input data and fatigue limit for the fatigue module.the form of fatigue life, fatigue damage and safety factor for various connection parameters and structural

Keywords： fatigue weld connections base plate fillet welds

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The Corrosion Fatigue and Life of Aircraft Structure in Servicing

Mu Zhitao,Jin Ping,Duan Chengmei

Strategic Study of CAE 2000, Volume 2, Issue 4, Pages 34-38

Abstract: method of establishing environmental spectrum for airport and the calculating methods of corrosion fatigueSome views for the research and development on corrosion fatigue of warplane in the future were put forward

Keywords： corrosion aircraft structure corrosion fatigue fatigue life corrosion environmental spectrum

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An overview of the reliability metrics for power grids and telecommunication networks

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 531-544 doi: 10.1007/s42524-021-0167-z

Abstract: In this study, we conduct a comprehensive overview of the development of reliability metrics for powerThe main purpose of this review is to promote and support the formulation of communication network reliabilitymetrics with reference to the development of power grid reliability.We classify the metrics of power grid into the reliability of power distribution and generation/transmissionThen, we exhibit and discuss the difference between the situations of the reliability metrics of the

Keywords： reliability metrics power grids telecommunication networks