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Fatigue crack growth simulations of 3-D linear elastic cracks under thermal load by XFEM

Himanshu PATHAK,Akhilendra SINGH,I.V. SINGH,S. K. YADAV

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 359-382 doi: 10.1007/s11709-015-0304-z

Abstract: This paper deals with the fatigue crack growth simulations of three-dimensional linear elastic cracksDifferent crack geometries such as planer, non-planer and arbitrary spline shape cracks are simulated

Keywords： 3-D cracks     fatigue life     Paris law     thermal load     XFEM    

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Initial life of corner fine cracks on the P60 rails

Shi Rong,Fan Zhiyi,He Yuelei

Strategic Study of CAE 2008, Volume 10, Issue 8,   Pages 65-68

Abstract: Outer rails on curve railway have corner fine cracks on the inner flank, and some cracks evaluate downInitially corner fine cracks expand slowly on the early stage, with the times of fatigue loads increasingcrack depth expanding speed rate dh/dN breaks.The times of fatigue loads at turn over point is definedas the initial life of corner fine cracks.

Keywords： rail     corner fine cracks     fatigue cracks     crack depth expanding speed     initial life    

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Detection for transverse corner cracks of steel plates’ surface using wavelet

Qiong ZHOU, Qi AN

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 224-227 doi: 10.1007/s11465-009-0017-x

Abstract: An algorithm is presented for detecting transverse corner cracks at a steel plate surface using waveletThe experiment shows that transverse corner cracks of steel plates can be more effectively extracted

Keywords： transverse corner cracks     defect detection     multi-scales wavelet analysis    

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Microbial self-healing of cracks in cement-based materials and its influencing factors

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0986-6

Abstract: Cracks can reduce service life because the transport of harmful substances can cause corrosion damagemethod, numerical modeling, and ultrasonic method can be employed to identify the self-healing effect of cracksThe results showed that microbial self-healing agents can repair cracks in cement-based materials inThe difficulties and future development of self-healing cracks were analyzed.With the development of intelligent building materials, self-healing cracks have become the focus of

Keywords： cement-based materials     cracks     microbial self-healing agent     mechanism     intelligent building materials    

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Investigation of Generalized SIFs of cracks in 3D piezoelectric media under various crack-face conditions

Jaroon RUNGAMORNRAT, Bounsana CHANSAVANG, Weeraporn PHONGTINNABOOT, Chung Nguyen VAN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 280-298 doi: 10.1007/s11709-019-0586-7

Abstract: and the permittivity of a medium inside the crack gap on intensity factors of planar and non-planar cracksThe mode-I stress intensity factors ( ) for two representative non-planar cracks under different crack-faceIn addition, for impermeable and semi-permeable non-planar cracks treated depends strongly on the electricfield whereas those of impermeable, permeable, and semi-permeable penny-shaped cracks are identicaland dependent on the electric field for the penny-shaped crack and the two representative non-planar cracks

Keywords： crack-face conditions     intensity factors     non-flat cracks     permittivity     piezoelectric media     SGBEM    

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Fast detection algorithm for cracks on tunnel linings based on deep semantic segmentation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 732-744 doi: 10.1007/s11709-023-0965-y

Abstract: deep semantic segmentation called LC-DeepLab is proposed for detecting the trends and geometries of cracksThe experimental results show that LC-DeepLab can accurately segment and highlight cracks from tunnel

Keywords： tunnel engineering     crack segmentation     fast detection     DeepLabv3+     feature fusion     attention mechanism    

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Ductile extension of 3-D external circumferential cracks in pipe structures

Wuchao YANG, Xudong QIAN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 294-303 doi: 10.1007/s11709-011-0115-9

Abstract: This study investigates the ductile fracture resistance of 3-D external circumferential cracks in theaxi-symmetric model provides conservative estimations of the fracture resistance for 3-D circumferential cracks

Keywords： ductile fracture     computational cell method     G-T model     J-R curve    

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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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Effect of calcium lactate on compressive strength and self-healing of cracks in microbial concrete

Kunamineni VIJAY, Meena MURMU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 515-525 doi: 10.1007/s11709-018-0494-2

Abstract: The influence of this addition on compressive strength, self-healing capability of cracks is highlighted

Keywords： calcium lactate     bacillus subtilis     compressive strength     self-healing of cracks    

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Fracture behavior of two non-symmetrical collinear cracks emanating from an elliptical hole in a piezoelectric

Junhong GUO, Zixing LU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 296-300 doi: 10.1007/s11465-011-0236-9

Abstract: Stroh-type formalism and the technique of conformal mapping, the problem of two non-symmetrical collinear cracksand anti-plane mechanical loading, which allowed us to take the electric field inside the hole and cracks

Keywords： piezoelectric materials     elliptical hole     semi-permeable crack     energy release rate     analytic solution    

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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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Title Author Date Type Operation

Fatigue crack growth simulations of 3-D linear elastic cracks under thermal load by XFEM

Himanshu PATHAK,Akhilendra SINGH,I.V. SINGH,S. K. YADAV

Journal Article

Initial life of corner fine cracks on the P60 rails

Shi Rong,Fan Zhiyi,He Yuelei

Journal Article

Detection for transverse corner cracks of steel plates’ surface using wavelet

Qiong ZHOU, Qi AN

Journal Article

Microbial self-healing of cracks in cement-based materials and its influencing factors

Journal Article

Investigation of Generalized SIFs of cracks in 3D piezoelectric media under various crack-face conditions

Jaroon RUNGAMORNRAT, Bounsana CHANSAVANG, Weeraporn PHONGTINNABOOT, Chung Nguyen VAN

Journal Article

Fast detection algorithm for cracks on tunnel linings based on deep semantic segmentation

Journal Article

Ductile extension of 3-D external circumferential cracks in pipe structures

Wuchao YANG, Xudong QIAN

Journal Article

A dimensional analysis on asphalt binder fracture and fatigue cracking

Qian ZHAO, Zhoujing YE

Journal Article

Effect of calcium lactate on compressive strength and self-healing of cracks in microbial concrete

Kunamineni VIJAY, Meena MURMU

Journal Article

Fracture behavior of two non-symmetrical collinear cracks emanating from an elliptical hole in a piezoelectric

Junhong GUO, Zixing LU

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