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Finite element analysis on stress and optimization for hydraulic transmission box upper case

Liu Chuanfeng,Tian Aiqin

Strategic Study of CAE 2008, Volume 10, Issue 5,   Pages 70-74

Abstract:

Computer finite element method is a revolution of mechanical design, it can avoid risk and faults efficiently with the result of finite element analysis(FEA). This article is about upper case of hydraulic transmission box. First making three-dimension model and offering stress analysis model, then by finite element analysis and comparing two schemes,this design problem is solved by mending scheme.

Keywords： hydraulic transmission box     mechanics model     finite element analysis     stress diagram     static intensity     fatigue intensity    

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Influence of sprinkler irrigation droplet diameter, application intensity and specific power on flower

Yisheng ZHANG, Delan ZHU

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 165-171 doi: 10.15302/J-FASE-2017145

Abstract: The influences of different parameters such as droplet diameter, application intensity, specific powerEquations of application intensity, specific power with sprinkler irrigation time and flower injury ratioApplication intensity was also correlated with injury when the droplet diameter was larger than 1 mm.duration of sprinkler irrigation was 1, 5 and 10 min, the threshold of impinging damage of application intensity

Keywords： application intensity     damage     floriculture     flowers     specific power     sprinkler irrigation    

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Impact of inter-fuel substitution on energy intensity in Ghana

Boqiang LIN, Hermas ABUDU

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 27-41 doi: 10.1007/s11708-019-0656-5

Abstract: Energy intensity and elasticity, together with inter-fuel substitution are key issues in the currentThe current energy dynamics reveal the expected inverse relationship: higher energy intensity and lowerIt is observed further that the higher energy intensity invariably increases CO emission because approximatelyfuture scenario design was further conducted and the results were positive with growth, lower energy intensity

Keywords： energy intensity     energy elasticity     inter-fuel substitution prospects     energy contribution     Translog production    

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Dynamic mechanism for the decline of China’s energy intensity during the 11th FYP (Five-Year Plan)

Minghui LI

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 237-249 doi: 10.1007/s11708-010-0130-x

Abstract: From 2006 to 2009, the aggregate energy intensity of China fell by 14.38%, which means that China hasmade substantial progress towards its goal of achieving approximately a 20% reduction in energy intensityThis paper describes some new properties of the mechanism for the decrease in China’s energy intensitystructural energy savings are not the main factor, they are still a key factor for the decrease in energy intensityresidential energy savings are still a stable driver of momentum for the decline in China’s energy intensity

Keywords： energy intensity     structural energy savings     technical energy savings    

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Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 44-52 doi: 10.1007/s11709-012-0138-x

Abstract: Ground motion intensity measures are usually used to predict the earthquake-induced displacements inIn this study, the efficiency of various single ground motion intensity measures (scalar ) or a combinationAlthough no single intensity measure is efficient enough for all slope conditions, the spectral accelerationat 1.5 times of the initial slope period and Arias intensity of the input motion are found to be the

Keywords： seismic slope displacements     intensity measures     empirical prediction    

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Does financial development lower energy intensity?

Philip Kofi ADOM, Michael Owusu APPIAH, Mawunyo Prosper AGRADI

Frontiers in Energy 2020, Volume 14, Issue 3,   Pages 620-634 doi: 10.1007/s11708-019-0619-x

Abstract: However, the empirical evidence on the relationship between financial development and energy intensityGhana, this study provides an empirical answer to the question: does financial development lower energy intensityGenerally, the evidence revealed that financial development lowers energy intensity.

Keywords： financial development     energy intensity     energy efficiency     Ghana    

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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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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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Analysis on carbon emission reduction intensity of fuel cell vehicles from a life-cycle perspective

Frontiers in Energy doi: 10.1007/s11708-023-0909-1

Abstract: However, a sufficient hydrogen supply can significantly reduce the carbon intensity and FCV energy cost

Keywords： hydrogen energy     life-cycle assessment (LCA)     fuel cell vehicle     carbon emission     energy cost    

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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 (Kf) and fatigue life mathematical model was built by using the Stress FieldIntensity (SFI) and Local Stress-strain methods.taking into consideration the influences of corrosion depth in the ground environment and corrosion 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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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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Title Author Date Type Operation

Finite element analysis on stress and optimization for hydraulic transmission box upper case

Liu Chuanfeng,Tian Aiqin

Journal Article

Influence of sprinkler irrigation droplet diameter, application intensity and specific power on flower

Yisheng ZHANG, Delan ZHU

Journal Article

Impact of inter-fuel substitution on energy intensity in Ghana

Boqiang LIN, Hermas ABUDU

Journal Article

Dynamic mechanism for the decline of China’s energy intensity during the 11th FYP (Five-Year Plan)

Minghui LI

Journal Article

Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Journal Article

Does financial development lower energy intensity?

Philip Kofi ADOM, Michael Owusu APPIAH, Mawunyo Prosper AGRADI

Journal Article

A dimensional analysis on asphalt binder fracture and fatigue cracking

Qian ZHAO, Zhoujing YE

Journal Article

Hierarchical approach for fatigue cracking performance evaluation in asphalt pavements

Ibrahim ONIFADE, Yared DINEGDAE, Björn BIRGISSON

Journal Article

Assessment of fatigue life of remanufactured impeller based on FEA

Lei XU,Huajun CAO,Hailong LIU,Yubo ZHANG

Journal Article

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

Zhan Yu,Li Guofen,Wang Hongchang

Journal Article

Contact fatigue life prediction of a bevel gear under spectrum loading

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

Journal Article

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

Weiwei ZHANG,Xiaosong WANG,Zhongren WANG,Shijian YUAN

Journal Article

Analysis on carbon emission reduction intensity of fuel cell vehicles from a life-cycle perspective

Journal Article

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

Mu Zhitao

Journal Article

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

Hyungjoo CHOI, Husam NAJM

Journal Article