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Thermo-elastic extended meshfree method for fracture without crack tip enrichment

A. ASADPOUR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 441-447 doi: 10.1007/s11709-015-0319-5

Abstract: presenting an extended meshfree method for thermo- elastic fracture which does not exploit a crack tipTo ensure that crack tip is at the correct position, a Lagrange multiplier field ahead of the crack tip

Keywords： meshfree method     thermo-elasticity    

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Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials

Amun JARZEMBSKI, Cedric SHASKEY, Keunhan PARK

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 43-71 doi: 10.1007/s11708-018-0524-8

Abstract: The discussed methods utilize the AFM tip as a nanoscopic tool to extract spatially resolved electronicresponse, optical scattering, and atomic force interactions, all of which can be readily probed by an AFM tipTherefore, they use the AFM tip as a thermal detector to directly relate absorbed IR light to the thermalthe light absorption by molecular vibrational resonances using AFM’s superb sensitivity in detecting tip-sample

Keywords： spectroscopy     atomic force microscopy     photo-thermal induced resonance     scanning near-field optical microscopy     tip-enhanced    

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Measurement and analysis of tip clearance unsteady flow spectrum in axial-flow fan rotor

LIU Bo, HOU Weimin, MA Changyou, WANG Yangang, ZHOU Qiang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 448-452 doi: 10.1007/s11708-008-0088-0

Abstract: The tip clearance unsteady flow development from the inlet to the outlet of an axial-flow rotor was revealedby analyzing pressure frequency spectrum acquired from measuring the unsteady pressure field of the tipThe experiment provides test basis for thoroughly understanding the tip clearance unsteady flow and buildinginteraction models of tip clearance flow and main flow.

Keywords： development     endwall     unsteady pressure     pressure measurement     experiment    

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Stress field near circular-arc interface crack tip based on electric saturation concept

Longchao DAI, Xinwei WANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 320-325 doi: 10.1007/s11465-009-0042-9

Abstract: complex potentials in both the matrix and the inclusion, and the stress intensity factor at the crack tip

Keywords： piezoelectric material     arc crack     strip saturation     stress intensity factor    

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Error compensation for tool-tip trace during cutting of laminated paper for rapid prototyping

Yucheng DING, Changhe LI, Dichen LI, Guoxin YU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 111-119 doi: 10.1007/s11465-009-0020-2

Abstract: Therefore, the knife tip, which engages into the sheet paper during cutting, tends to follow the pathdriven bearing axis by the error that depends on the path tangential and the eccentricity of the knife tipA tractrix model is applied to describe the kinetic motion of the knife tip and a method is formulatedto compensate for the tracing error of the eccentric knife tip by modifying the original cross-sectionA study has also been performed regarding the effect of the knife tip geometry on the cutting notch of

Keywords： rapid prototyping     laminated object manufacturing     knife-cutting     tracing error    

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Gold modified microelectrode for direct tetracycline detection

Hongtao WANG, Huimin ZHAO, Xie QUAN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 313-319 doi: 10.1007/s11783-011-0323-5

Abstract: tetracycline (TC) by the microelectrode, which was fabricated by electrodeposited gold colloids on tungsten tip

Keywords： microelectrode     tungsten tip     gold colloids     tetracycline    

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Condition monitoring of a wind turbine generator using a standalone wind turbine emulator

Himani,Ratna DAHIYA

Frontiers in Energy 2016, Volume 10, Issue 3,   Pages 286-297 doi: 10.1007/s11708-016-0419-5

Abstract: The intend of this paper is to give a description of the realization of a low-cost wind turbine emulator(WTE) with open source technology from graze required for the condition monitoring to diagnose rotor and stator faults in a wind turbine generator (WTG). The WTE comprises of a 2.5 kW DC motor coupled with a 1 kW squirrel-cage induction machine. This paper provides a detailed overview of the hardware and software used along with the WTE control strategies such as MPPT and pitch control. The emulator reproduces dynamic characteristics both under step variations and arbitrary variation in the wind speed of a typical wind turbine (WT) of a wind energy conversion system (WECS). The usefulness of the setup has been benchmarked with previously verified WT test rigs made at the University of Manchester and Durham University in UK. Considering the fact that the rotor blades and electric subassemblies direct drive WTs are most susceptible to damage in practice, generator winding faults and rotor unbalance have been introduced and investigated using the terminal voltage and generated current. This wind turbine emulator (WTE) can be reconfigured or analyzed for condition monitoring without the need for real WTs.

Keywords： monitoring (CM)     wind turbine emulator (WTE)     wind turbine generator (WTG)     maximum power point tracking (MPPT)     tip    

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A dynamic model of mobile concrete pump boom based on discrete time transfer matrix method

Wu REN, Yunxin WU, Zhaowei ZHANG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 360-366 doi: 10.1007/s11465-013-0280-8

Abstract: Next the tip displacement is calculated and compared with the result of ADAMS software.

Keywords： multi-body     mobile concrete pump boom     discrete time transfer matrix method (DTTMM)     kinematic     dynamic     tip    

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The application of DX piles in the LNG storage tanks

He Dexin,Zhang Chengwei,Zheng Jianhua,He Jiantong and Zhang Xinsheng

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 19-25

Abstract: transfer mechanism, and study the distribution and development of the skin friction resistances and tip

Keywords： DX piles     skin friction resistances     tip resistances     ultimate bearing capacities     settlement    

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The Method for Separating Image of the Bent Optical Fiber Tip Resonated AF/PSTM

Wu Shifa,Pan Shi,Zhang Jian,Liu Wei,Wang Jingzhi,Huang Yuqi

Strategic Study of CAE 2001, Volume 3, Issue 8,   Pages 33-36

Abstract: The AF/PSTM bi-functional tip is made of bent optical fiber and works on constant amplitude resonance

Keywords： AF/PSTM     PSTM false image eliminated     PSTM image separated     PSTM numerical simulation    

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Fabrication of Periodic Nanostructures Using AFM Tip-Based Nanomachining: Combining Groove and Material Article

Yanquan Geng, Yongda Yan, Jiqiang Wang, Emmanuel Brousseau, Yanwen Sun, Yazhou Sun

Engineering 2018, Volume 4, Issue 6,   Pages 787-795 doi: 10.1016/j.eng.2018.09.010

Abstract:

This paper presents an atomic force microscopy (AFM) tip-based nanomachining method to fabricate periodic

Keywords： Atomic force microscopy     Nanomachining     Periodic nanostructure     Single-crystal copper    

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Title Author Date Type Operation

Thermo-elastic extended meshfree method for fracture without crack tip enrichment

A. ASADPOUR

Journal Article

Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials

Amun JARZEMBSKI, Cedric SHASKEY, Keunhan PARK

Journal Article

Measurement and analysis of tip clearance unsteady flow spectrum in axial-flow fan rotor

LIU Bo, HOU Weimin, MA Changyou, WANG Yangang, ZHOU Qiang

Journal Article

Stress field near circular-arc interface crack tip based on electric saturation concept

Longchao DAI, Xinwei WANG

Journal Article

Error compensation for tool-tip trace during cutting of laminated paper for rapid prototyping

Yucheng DING, Changhe LI, Dichen LI, Guoxin YU

Journal Article

Gold modified microelectrode for direct tetracycline detection

Hongtao WANG, Huimin ZHAO, Xie QUAN

Journal Article

Condition monitoring of a wind turbine generator using a standalone wind turbine emulator

Himani,Ratna DAHIYA

Journal Article

A dynamic model of mobile concrete pump boom based on discrete time transfer matrix method

Wu REN, Yunxin WU, Zhaowei ZHANG

Journal Article

The application of DX piles in the LNG storage tanks

He Dexin,Zhang Chengwei,Zheng Jianhua,He Jiantong and Zhang Xinsheng

Journal Article

The Method for Separating Image of the Bent Optical Fiber Tip Resonated AF/PSTM

Wu Shifa,Pan Shi,Zhang Jian,Liu Wei,Wang Jingzhi,Huang Yuqi

Journal Article

Fabrication of Periodic Nanostructures Using AFM Tip-Based Nanomachining: Combining Groove and Material

Yanquan Geng, Yongda Yan, Jiqiang Wang, Emmanuel Brousseau, Yanwen Sun, Yazhou Sun

Journal Article