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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.The displacement and rotation angle curves of the proposed method fit well with the ADAMS model.

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

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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 tipThe crack is modeled by partition of unity enrichment of the displacement and temperature field.To 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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Lateral displacement of soft ground under vacuum pressure and surcharge load

Chin-Yee ONG, Jin-Chun CHAI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 239-248 doi: 10.1007/s11709-011-0110-1

Abstract: Surcharge load (e.g. embankment fill) will induce settlement and outward lateral displacement, whilevacuum pressure will induce settlement and inward lateral displacement of a ground.Ideally, combination of surcharge load and vacuum pressure can reduce or minimize the lateral displacementFor the conditions investigated, the results indicate that the outward lateral displacement increasesAlso, it is shown that for a given and condition, lateral displacement reduces with the increase

Keywords： vacuum consolidation     lateral displacement     PVD     finite element analysis     surcharge load    

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Influence of advanced engineering measures on displacement and stress field of surrounding rock in tunnels

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0966-x

Abstract: A numerical method was used to investigate the influence of LRAF methods on the stress and displacementThe numerical results indicated that the anchor cable and grouting modification reduced the displacementThe anti-fault cavern resisted the dislocation displacement and reduced the maximum dislocation magnitude, displacement gradient, and shear stress.

Keywords： anti-fault effect     engineering measures     LRAF method     stress and displacement field     tunnel-crossing    

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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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Quality control based on electrode displacement and force in resistance spot welding

Chuntao JI, Lipeng DENG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 412-417 doi: 10.1007/s11465-010-0114-x

Abstract: The behaviors of electrode displacement and force during spot welding under various conditions, such

Keywords： aluminum     electrode displacement     electrode force     nugget size     data acquisition    

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Full-field dynamic strain reconstruction of an aero-engine blade from limited displacement responses

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0731-1

Abstract: a method of full-field and real-time strain reconstruction of an aero-engine blade based on limited displacementLimited optical measured displacement responses are utilized to reconstruct the full-field strain.A displacement-to-strain transformation matrix is derived on the basis of the blade mode shapes in theThree discrete vibrational displacement responses measured by laser triangulation sensors are used toprovides a low-cost, real-time, and visualized measurement of blade full-field dynamic strain using displacement

Keywords： aero-engine blade     displacement response     dynamic strain reconstruction     mode shape     strain gauge    

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Evaluation of liquefaction-induced lateral displacement using Bayesian belief networks

Mahmood AHMAD, Xiao-Wei TANG, Jiang-Nan QIU, Feezan AHMAD

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 80-98 doi: 10.1007/s11709-021-0682-3

Abstract: Liquefaction-induced lateral displacement is responsible for considerable damage to engineered structuresTherefore, an accurate estimation of lateral displacement in liquefaction-prone regions is an essentialThis paper presents a novel probabilistic framework for evaluating liquefaction-induced lateral displacementThe results reveal that the BBN models are able to learn complex relationships between lateral displacementstudy also presents a sensitivity analysis to evaluate the impacts of input factors on the lateral displacement

Keywords： Bayesian belief network     seismically induced soil liquefaction     interpretive structural modeling     lateral displacement    

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Quality monitoring of resistance spot welding based on electrode displacement characteristics analysis

ZHANG Pengxian, ZHANG Hongjie, CHEN Jianhong, MA Yuezhou

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 330-335 doi: 10.1007/s11465-007-0058-y

Abstract: First, twelve parameters related to weld quality are mined from electrode displacement signal on the
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Pore-scale simulation of water/oil displacement in a water-wet channel

Jin Zhao, Guice Yao, Dongsheng Wen

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 803-814 doi: 10.1007/s11705-019-1835-y

Abstract: The results show that during a water displacement process, an initial continuous oil phase can be snappedwetting and non-wetting phases, the snapped-off phenomenon can be eliminated or reduced during the displacementA stable displacement can be obtained under high number conditions.Different displacement effects can be obtained at the same number due to its significant influence

Keywords： VOF     pore scale     immiscible displacement     EOR     snap-off     Ca    

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Assessment of bridge expansion joints using long-term displacement measurement under changing environmental

Youliang DING, Aiqun LI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 374-380 doi: 10.1007/s11709-011-0122-x

Abstract: increase in temperature and to decrease with increased traffic loading, while the correlation between displacementBased on these models, the effects of the environmental conditions are removed to obtain the normalized displacement

Keywords： structural health monitoring     displacement     expansion joint     temperature effect     wind effect     traffic loading    

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Research on direct digital process of inductance sensor

WANG Xuan-ze, YANG Lian-gen, ZHONG Yu-ning

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 317-322 doi: 10.1007/s11465-006-0023-1

Abstract: Amplitude-displacement and phase-displacement equations are deduced for non-ideal carrier wave and inductanceAccording to the characteristic of the amplitude-displacement and phase-displacement curves, we obtaindisplacement by phase and amplitude respectively when the sensor is close to the zero point position

Keywords： traditional     corresponding     phase-displacement     Amplitude-displacement     characteristic    

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Title Author Date Type Operation

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

Wu REN, Yunxin WU, Zhaowei ZHANG

Journal Article

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

Lateral displacement of soft ground under vacuum pressure and surcharge load

Chin-Yee ONG, Jin-Chun CHAI

Journal Article

Influence of advanced engineering measures on displacement and stress field of surrounding rock in tunnels

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

Quality control based on electrode displacement and force in resistance spot welding

Chuntao JI, Lipeng DENG

Journal Article

Full-field dynamic strain reconstruction of an aero-engine blade from limited displacement responses

Journal Article

Evaluation of liquefaction-induced lateral displacement using Bayesian belief networks

Mahmood AHMAD, Xiao-Wei TANG, Jiang-Nan QIU, Feezan AHMAD

Journal Article

Quality monitoring of resistance spot welding based on electrode displacement characteristics analysis

ZHANG Pengxian, ZHANG Hongjie, CHEN Jianhong, MA Yuezhou

Journal Article

Pore-scale simulation of water/oil displacement in a water-wet channel

Jin Zhao, Guice Yao, Dongsheng Wen

Journal Article

Assessment of bridge expansion joints using long-term displacement measurement under changing environmental

Youliang DING, Aiqun LI

Journal Article

Research on direct digital process of inductance sensor

WANG Xuan-ze, YANG Lian-gen, ZHONG Yu-ning

Journal Article