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Safety and Rapid Construction Technology in Expand Cutting at Existing Line with Controlled Rock Blasting

He Guangyi,Jing Shan,Wang Zhaoyou

Strategic Study of CAE 2000, Volume 2, Issue 6,   Pages 73-79

Abstract: blasting conditions, topography and geology of rock blasting for expanding cutting at the existing lineAs there has electrify overhead contact line and short space to the existing line, it is much more difficulttechnology adopted in the light of the features of expanding the cutting for electrified railway existing line

Keywords： eclectrified overhead contact line     existing line     expanding of cutting     controlled rock blasting     non-electric    

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New Monitoring Technologies for Overhead Contact Line at 400 km·h−1

Chul Jin Cho, Young Park

Engineering 2016, Volume 2, Issue 3,   Pages 360-365 doi: 10.1016/J.ENG.2016.03.016

Abstract: details of the video-based monitoring techniques that have been adopted to inspect the stability of overheadcontact line (OCL) components at 400 km·h−1 without direct contact with anyUnlike conventional OCL monitoring systems, which detect contact wire positions using either laser sensorsor line cameras, the developed system measures parameters in the active state by video data.According to experimental results that were obtained at a field-test site established at a commercial line

Keywords： High-speed railway     Overhead contact lines     Condition monitoring     Image processing based measurement    

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A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamic lubrication

Jian LIU,Yuxue CHEN,Zhenzhi HE,Shunian YANG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 156-167 doi: 10.1007/s11465-014-0297-7

Abstract:

A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamicTwo kinds of numerical results of transient EHL line contact problems under sinusoidal excitation or

Keywords： elastohydrodynamic lubrication     transient     line contact     matrix splitting iteration method     the Thomas method    

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Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 141-151 doi: 10.1007/s11708-009-0020-2

Abstract: When a liquid wets a solid wall, the extended meniscus near the contact line may be divided into three

Keywords： meniscus     thin film     contact line     disjoining pressure     evaporation    

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Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 242-248 doi: 10.1007/s11465-014-0305-y

Abstract: accumulated stress concentrations will cause the plastic deformation of rail towards generating corrugations, contactFirst of all, it’s important to analyze the contact length between the grinding stone and the rail, because the contact length is a critical parameter to measure the grinding capabilities of stones.Therefore the theoretical model for contact length is developed based on the geometrical analysis.

Keywords： rail grinding     contact length     dynamic model     Hamiltonian system     grinding stone     rail grinding car    

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Computation and investigation of mode characteristics in nonlinear system with tuned/mistuned contact

Houxin SHE, Chaofeng LI, Qiansheng TANG, Hui MA, Bangchun WEN

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 133-150 doi: 10.1007/s11465-019-0557-7

Abstract: This study derived a novel computation algorithm for a mechanical system with multiple friction contactThe procedure uses the incremental harmonic balance method to obtain the nonlinear parameters of the contactMoreover, this study analyzed the effects of the tuned and mistuned contact features on the nonlinear

Keywords： coupling vibration     nonlinear mode     original algorithm     contact interface    

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Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 150-159 doi: 10.1007/s11465-013-0266-6

Abstract:

The main purpose of this study is to analyze the thermomechanical behavior of the dry contact betweenwith coupling to determine the deformation established and the Von Mises stresses in the disk, the contact

Keywords： brake disks     heat flux     heat-transfer coefficient     Von Mises stress     contact pressure    

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Experimental study and numerical simulation on compressive buckling behavior of thin steel skins in unilateral contact

Nicholas KEAGE, Christopher MAIOLO, Rebecca PIEROTTI, Xing MA

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 335-343 doi: 10.1007/s11709-011-0121-y

Abstract: practical test and finite element analysis has been undertaken to further investigate the effects of contactResults from both analyses have been examined and compared to data established from previous studies on contactThe result of the investigation has confirmed contact buckling theories and has foreshadowed the onsetof the newly observed phenomenon of secondary contact buckling.

Keywords： compressive     buckling     thin steel skins     unilateral contact     rigid constraints    

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Contact Pressure and Fatigue Life Prediction of Kiln Rolling Ring Under Intermittent Contact

Shi Yu,Xiao Yougang,Lei Xianming

Strategic Study of CAE 2006, Volume 8, Issue 7,   Pages 54-57

Abstract:

The mathematical models of contact pressure distribution between rolling ring and shell under intermittentcontact are set up, the formulae of bending moment and bending stress of tyre are obtained.

Keywords： rolling ring     contact pressure     support angle     fatigue life    

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Maximizing power saving with state transition overhead for multiple mobile subscriber stations in WiMAX Article

Bo LI,Sung-kwon PARK

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 10,   Pages 1085-1094 doi: 10.1631/FITEE.1500314

Abstract: algorithms designed for multiple MSSs, the sleep state, which is set for activation of state transition overheadThe PSC setting for real-time connections in multiple MSSs with consideration of the state transition overhead

Keywords： Power saving class     State transition overhead     IEEE 802.16e/m     Quality of service    

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A low-overhead asynchronous consensus framework for distributed bundle adjustment

Zhuo-hao Liu, Chang-yu Diao, Wei Xing, Dong-ming Lu,roadliu@zju.edu.cn,dcy@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 10,   Pages 1413-1534 doi: 10.1631/FITEE.1900451

Abstract: Generally, the (DBA) method uses multiple worker nodes to solve the bundle adjustment problems and overcomes the computation and memory storage limitations of a single computer. However, the performance considerably degrades owing to the introduced by the additional block partitioning step and synchronous waiting. Therefore, we propose a low- consensus framework. A based asynchronous method is proposed to early achieve consensus with respect to the faster worker nodes to avoid waiting for the slower ones. A scene summarization procedure is designed and integrated into the block partitioning step to ensure that clustering can be performed on the small summarized scene. Experiments conducted on public datasets show that our method can improve the worker node utilization rate and reduce the block partitioning time. Also, sample applications are demonstrated using our large-scale culture heritage datasets.
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Performance of a hybrid anaerobic-contact oxidation biofilm baffled reactor for the treatment of decentralized

Minmin LIU,Ying ZHAO,Beidou XI,Li’an HOU,Xunfeng XIA

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 598-606 doi: 10.1007/s11783-013-0576-2

Abstract: A novel hybrid anaerobic-contact oxidation biofilm baffled reactor (HAOBR) was developed to simultaneouslyIn addition, the high solid retention time of contact oxidation biofilm contributed to stable performance

Keywords： combination filler     contact oxidation biofilm     food wastewater     anaerobic baffled reactor    

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Acoustic fault signal extraction via the line-defect phononic crystals

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 10-10 doi: 10.1007/s11465-021-0666-y

Abstract: In this paper, 2D line-defect phononic crystals (PCs) consisting of periodic acrylic tubes with slitThe defect band, namely, the formed resonance band of line-defect PCs enables the incident acoustic waveThe effectiveness of weak harmonic and periodic impulse signal detection via line-defect PCs are investigatedAll the numerical and experimental results indicate that line-defect PCs can be well used for extracting

Keywords： phononic crystals     line-defect     fault signal extraction     acoustic enhancement    

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Calculating frictional force with considering material microstructure and potential on contact surfaces

XU Zhongming, HUANG Ping

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 474-477 doi: 10.1007/s11465-007-0082-y

Abstract: The friction work is calculated with considering the potential change of contact surfaces during sliding

Keywords： coefficient     dissipation mechanism     universal adhesive     interfacial     Independent Oscillator    

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Contact of surfaces and contact characteristics of offset surfaces

CAO Lixin, GONG Hu, LIU Jian

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 318-324 doi: 10.1007/s11465-008-0067-5

Abstract: Based on differential geometry, the contact problems of two surfaces are discussed in this paper.For line contact two surfaces, the condition of the second order line contact is that the principal directionsand curvatures of the two surfaces are the same along the contact curve.If two surfaces keep the second order line contact, their two offset surfaces will also keep the secondorder line contact, and their third order remained errors are also uniform with that of the two offset

Keywords： relative     important geometrical     relationship     geometrical invariant     calculation    

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Title Author Date Type Operation

Safety and Rapid Construction Technology in Expand Cutting at Existing Line with Controlled Rock Blasting

He Guangyi,Jing Shan,Wang Zhaoyou

Journal Article

New Monitoring Technologies for Overhead Contact Line at 400 km·h−1

Chul Jin Cho, Young Park

Journal Article

A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamic lubrication

Jian LIU,Yuxue CHEN,Zhenzhi HE,Shunian YANG

Journal Article

Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Journal Article

Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

Journal Article

Computation and investigation of mode characteristics in nonlinear system with tuned/mistuned contact

Houxin SHE, Chaofeng LI, Qiansheng TANG, Hui MA, Bangchun WEN

Journal Article

Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

Journal Article

Experimental study and numerical simulation on compressive buckling behavior of thin steel skins in unilateral contact

Nicholas KEAGE, Christopher MAIOLO, Rebecca PIEROTTI, Xing MA

Journal Article

Contact Pressure and Fatigue Life Prediction of Kiln Rolling Ring Under Intermittent Contact

Shi Yu,Xiao Yougang,Lei Xianming

Journal Article

Maximizing power saving with state transition overhead for multiple mobile subscriber stations in WiMAX

Bo LI,Sung-kwon PARK

Journal Article

A low-overhead asynchronous consensus framework for distributed bundle adjustment

Zhuo-hao Liu, Chang-yu Diao, Wei Xing, Dong-ming Lu,roadliu@zju.edu.cn,dcy@zju.edu.cn

Journal Article

Performance of a hybrid anaerobic-contact oxidation biofilm baffled reactor for the treatment of decentralized

Minmin LIU,Ying ZHAO,Beidou XI,Li’an HOU,Xunfeng XIA

Journal Article

Acoustic fault signal extraction via the line-defect phononic crystals

Journal Article

Calculating frictional force with considering material microstructure and potential on contact surfaces

XU Zhongming, HUANG Ping

Journal Article

Contact of surfaces and contact characteristics of offset surfaces

CAO Lixin, GONG Hu, LIU Jian

Journal Article