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Analysis of the dynamic stress of planar flexible-links parallel robots

DU Zhaocai, YU Yueqing, YANG Jianxin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 152-158 doi: 10.1007/s11465-007-0025-7

Abstract: This paper presents a method for the dynamic stress analysis of planar parallel robots with flexibleThe finite element-based dynamic model of flexible parallel robots is proposed.Considering the effects of bending-shearing strain and tensile-compression strain, the dynamic stressDue to the flexibility of the links, the dynamic stresses are well illustrated through numerical simulationThe dynamic stress analysis is demonstrated to have a significant impact on the analysis, design and

Keywords： numerical simulation     Due     coupling     software SAMCEF     flexibility    

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Separation and extraction of bridge dynamic strain data

Baijian WU, Zhaoxia LI, Ying WANG, T. H. T. CHAN,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 395-400 doi: 10.1007/s11709-009-0049-7

Abstract: Through comparing the measured data of dynamic strains due to loading and temperature by the stain gaugeresponsibility for the errors, and the main reason is that the random disturbance shifts the real strain/stressamplitude picked up by real structural stress or strain.

Keywords： dynamic     valuable     separatrix     strain/stress amplitude     frequency    

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Fault-Induced Coal Burst Mechanism under Mining-Induced Static and Dynamic Stresses Article

Wu Cai, Linming Dou, Guangyao Si, Yawei Hu

Engineering 2021, Volume 7, Issue 5,   Pages 687-700 doi: 10.1016/j.eng.2020.03.017

Abstract: mechanisms of fault reactivation and its induced coal burst based on the superposition of static and dynamic)-dominated and seismic-based dynamic stress (FRSDS)-dominated.The results show that fault-induced coal burst is triggered by the superposition of high static stressin the fault pillar and dynamic stress from fault reactivation.High static stress comes from the interaction of the fault and the roof structure, and dynamic stress

Keywords： Coal burst     Fault reactivation     Mining-induced stress     Seismic-based dynamic stress     Fault pillar    

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Numerical analysis of vehicle-bridge coupling vibration concerning nonlinear stress-dependent damping

Pengfei LI; Jinquan ZHANG; Shengqi MEI; Zhenhua DONG; Yan MAO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 239-249 doi: 10.1007/s11709-021-0804-y

Abstract: Damping is known to have a considerable influence on the dynamic behavior of bridges.This study investigated the application of stress-dependent damping associated with vehicle-bridge couplingvibration and based on that investigation proposed the stress-dependent damping ratio.The results of the investigation show that the stress-dependent damping ratio is significantly differentThe acceleration response of the bridge which was calculated using the stress-dependent damping ratio

Keywords： vehicle-bridge vibration system     dynamic analysis     stress-dependent damping     energy dissipation    

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Research on the dynamic mechanical characteristics and turning tool life under the conditions of excessively

Genghuang HE, Xianli LIU, Fugang YAN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 329-334 doi: 10.1007/s11465-012-0303-x

Abstract:

The dynamic mechanical characteristics of excessively heavy-duty cutting were analyzed based on theBy investigating the influence of dynamic mechanical characteristics on the tools’ failure in limitedheavy-duty cutting processes, the model of dynamic shearing force in the cutting area was establishedHowever, the experimental results showed that the dynamic shear flow stress in the cutting area greatly

Keywords： extreme loading cutting     shear flow stress     dynamic cutting force     fatigue fracture    

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Dynamic Analysis for the Lateral Movement of a Lifting Pipe in Deep Sea Mining

Liu Jiang,Mao Jiling,Liu Beiying,Ling Sheng

Strategic Study of CAE 2001, Volume 3, Issue 11,   Pages 74-79

Abstract:

Dynamic analysis for the lateral movement of a lifting pipe in deep sea mining is made by using nonlinearThe factors influencing the dynamic stress and deformation of the lifting pipe are analyzed in detail

Keywords： deep sea mining     lifting pipe     dynamic stress     displacement delaying time     nonlinear finite element method    

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Research on Direction and Location for Danger Prediction of Coal or Rock Dynamic Disaster

Xiao Hohgfei,He Xueqiu,Feng Tao,Wang Enyuan

Strategic Study of CAE 2005, Volume 7, Issue 11,   Pages 81-86

Abstract: non-touch electromagnetic emission (EME) method to better forecast or predict the danger of coal or rock dynamicchanging rules of EME signals in various directions by means of the coupling equation between EME and stressby numerical simulation for stress field.feasible to study the direction and location of dangerous areas in predicting the danger of coal or rock dynamicdisaster by means of the coupling between EME and stress.

Keywords： rock or coal dynamic disaster     danger prediction     direction and location     deformation and fracture of coalor rock     couples between EME and stress     electromagnetic emission (EME)    

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EFFECTS OF TRANSPORT STRESS ON THE INTESTINES INVOLVING NEURONAL NITRIC OXIDE SYNTHASE

Frontiers of Agricultural Science and Engineering   Pages 285-295 doi: 10.15302/J-FASE-2022469

Abstract:

● Transport stress declined the level of leukocytes including lymphocytes

Keywords： intestine     nNOS     nNOS-positive neurons     transport stress    

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Analysis on annealing-induced stress of blind-via TSV using FEM

Jie SHAO, Tielin SHI, Li DU, Lei SU, Xiangning LU, Guanglan LIAO

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 401-410 doi: 10.1007/s11465-017-0457-7

Abstract: However, in TSV manufacturing, thermo-mechanical stress is induced during the annealing process, oftenTop interface stress analysis on the TSV structure shows that the curvature of via openings releasesstress concentration that leads to ~60 MPa decrease of normal stresses,  Keywords： through silicon via (TSV)     annealing-induced stress     interface stress     plastic deformation     finite element    

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An investigation on stress distribution effect on multi- piezoelectric energy harvesters

Hailu YANG, Dongwei CAO

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 301-307 doi: 10.1007/s11709-017-0404-z

Abstract: The stress distribution will significantly affect the piezoelectric material performance.When the same multi piezoelectric units work together, if the stress state of the piezoelectric unitsFor uneven stress distribution, the optimal output mode is that each of the piezoelectric units rectified

Keywords： piezoelectric transducer     uneven stress     impedance matching     optimal energy output    

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The formation mechanism and the influence factor of residual stress in machining

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 265-269 doi: 10.1007/s11465-014-0311-0

Abstract: On the basis of the analytical model for residual stress, a series of simulations for residual stressorder to obtain the influences of cutting speed, depth of cut and tool edge radius on surface residual stressAnd these influences are explained from the perspective of formation mechanism of residual stress in

Keywords： residual stress     analytical model     strain     plastic     cutting parameter    

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Stress corrosion and residual stress of H2S in petrochemical special equipment

Zhang Yiliang,Xu Jinquan,Wang Yuci

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 38-43

Abstract:

To understand the present status of the issue of H2S stressoverview containing the environment definition, test method, influence factor, evaluation standard of stresscorrosion and the material demand in H2S stress corrosion issue is accomplished.Meanwhile, a discussion of the causation, test method and elimination measure of welding residual stress

Keywords： H2S stress corrosion     operation manual     evaluation standard     welding residual stress    

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Magnetostriction varieties and stress relief caused by pulsed magnetic field

Zhipeng CAI, Xinjie DUAN, Jian LIN, Haiyan ZHAO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 354-358 doi: 10.1007/s11465-011-0123-4

Abstract:

Magnetostriction is investigated to evaluate the stress relief caused by pulsed magnetic field treatment, because this physical property is closely associated with residual stress.The stress variations caused by pulsed magnetic treatment are also compared.It is found that magnetostriction variations are closely associated with stress changes.is nearly a constant during magnetic field treatment, which is valuable for stress relief evaluation

Keywords： magnetostriction     pulsed magnetic field treatment     stress relief    

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Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 294-300 doi: 10.1007/s11465-015-0351-0

Abstract: experimental and simulated results for the 1D and 2D specimens reveals that deformation and thermal stress

Keywords： in-plane     Young’s modulus     curvature temperature     thermal stress     coating    

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Parametric equations for notch stress concentration factors of rib–deck welds under bending loading

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 595-608 doi: 10.1007/s11709-021-0720-1

Abstract: The effective notch stress approach for evaluating the fatigue strength of rib–deck welds requires notchstress concentration factors obtained from complex finite element analysis.First, we developed a model for investigating the effective notch stress in rib–deck welds.analysis to investigate the effects of multiple geometric parameters of a rib–deck weld on the notch stressThe notch stress concentration factors estimated from the developed formulas show agree well with the

Keywords： notch stress concentration factor     rib–deck weld     parametric analysis     regression analysis     parametric    

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Title Author Date Type Operation

Analysis of the dynamic stress of planar flexible-links parallel robots

DU Zhaocai, YU Yueqing, YANG Jianxin

Journal Article

Separation and extraction of bridge dynamic strain data

Baijian WU, Zhaoxia LI, Ying WANG, T. H. T. CHAN,

Journal Article

Fault-Induced Coal Burst Mechanism under Mining-Induced Static and Dynamic Stresses

Wu Cai, Linming Dou, Guangyao Si, Yawei Hu

Journal Article

Numerical analysis of vehicle-bridge coupling vibration concerning nonlinear stress-dependent damping

Pengfei LI; Jinquan ZHANG; Shengqi MEI; Zhenhua DONG; Yan MAO

Journal Article

Research on the dynamic mechanical characteristics and turning tool life under the conditions of excessively

Genghuang HE, Xianli LIU, Fugang YAN

Journal Article

Dynamic Analysis for the Lateral Movement of a Lifting Pipe in Deep Sea Mining

Liu Jiang,Mao Jiling,Liu Beiying,Ling Sheng

Journal Article

Research on Direction and Location for Danger Prediction of Coal or Rock Dynamic Disaster

Xiao Hohgfei,He Xueqiu,Feng Tao,Wang Enyuan

Journal Article

EFFECTS OF TRANSPORT STRESS ON THE INTESTINES INVOLVING NEURONAL NITRIC OXIDE SYNTHASE

Journal Article

Analysis on annealing-induced stress of blind-via TSV using FEM

Jie SHAO, Tielin SHI, Li DU, Lei SU, Xiangning LU, Guanglan LIAO

Journal Article

An investigation on stress distribution effect on multi- piezoelectric energy harvesters

Hailu YANG, Dongwei CAO

Journal Article

The formation mechanism and the influence factor of residual stress in machining

Zhaoxu QI,Bin LI,Liangshan XIONG

Journal Article

Stress corrosion and residual stress of H2S in petrochemical special equipment

Zhang Yiliang,Xu Jinquan,Wang Yuci

Journal Article

Magnetostriction varieties and stress relief caused by pulsed magnetic field

Zhipeng CAI, Xinjie DUAN, Jian LIN, Haiyan ZHAO

Journal Article

Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Journal Article

Parametric equations for notch stress concentration factors of rib–deck welds under bending loading

Journal Article