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Vibration testing of a steel girder bridge using cabled and wireless sensors

Dapeng ZHU, Yang WANG, James BROWNJOHN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 249-258 doi: 10.1007/s11709-011-0113-y

Abstract: Operating deflection analysis is successfully conducted using the wireless measurement of traffic and

Keywords： wireless sensing     structural health monitoring (SHM)     signal conditioning     operating deflection analysis    

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Thermal deflection analysis of the solidified shell in continuous casting of slab

LIU Hongzhao, WANG Zhongmin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 175-179 doi: 10.1007/s11465-007-0029-3

Abstract: reciprocal theorem of work or Betti-Maxwell s reciprocal theorem and the superposition principle, the deflectionThe meaning of each term in the deflection expression obtained by the reciprocal theorem of work is explained

Keywords： s reciprocal     loading     deflection expression     reciprocal     opposite    

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The Finite Element Analysis for Supporting Wheel Deflection’s Contact of Large-scale Rotary Kiln With

Li Xuejun,Zhang Meiyang,Chu Fulei

Strategic Study of CAE 2007, Volume 9, Issue 12,   Pages 16-20

Abstract:

Because of the influence of rotary kiln supporting wheel's deflectioncontact area's contact stress,  according to Hertz contact theory,  the relative among deflectionelement method,  the contact problems when supporting wheel is under parallel and the maximum deflection These analysis conclusions can provide effective theoretic guidance for rotary kiln axial adjusting

Keywords： large-scale with multi-supporting     supporting wheel deflection     contact stress     finite element analysis    

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Mechanics analysis of thin-walled box continuous girder with variable cross-sections in considering effectof large deflection and shear lag

Yuji CHEN, Qizhi LUO,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 352-356 doi: 10.1007/s11709-009-0057-7

Abstract: vertical displacement, and evolving five generalized displacements with the spline function, the large deflectionThe effect of large deflection on the stress and displacement of the thin-walled box continuous girder

Keywords： thin-walled box girder with variable cross-sections     potential variational theory     shear lag     large deflection    

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Operating mechanism and set pair analysis model of a sustainable water resources system

Chaoyang DU,Jingjie YU,Huaping ZHONG,Dandan WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 288-297 doi: 10.1007/s11783-014-0642-4

Abstract: This paper presents a sustainable water resources system (SWRS) and analyzes the operating mechanismThe SWRS’s operating mechanism is composed of dynamic, resistance and coordination components, and itThe study introduces a new approach, set pair analysis theory, to measure the state of a SWRS, and anevaluation index system is established using the subsystems and operating mechanism of a SWRS.An evaluation model of the SWRS based on set pair analysis theory is constructed, and an example of SWRS

Keywords： sustainable water resources system     operating mechanism     set pair analysis model     Shanghai    

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Improved prediction of pile bending moment and deflection due to adjacent braced excavation

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0961-2

Abstract: This study develops equations to predict the existing pile bending moment and deflection produced bypractically unfeasible to obtain measurement data; hence, artificial data for the bending moment and deflectionThe developed equations were established through a multiple linear regression analysis of the artificialThe estimation results of the developed equations can provide satisfactory pile bending moment and deflection

Keywords： pile responses     excavation     prediction     deflection     bending moments    

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Modeling of large-deflection links for compliant mechanisms

Zhonglei FENG, Yueqing YU, Wenjing WANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 294-301 doi: 10.1007/s11465-010-0019-8

Abstract: In this study, a new approach of a two-DOF PRBM is proposed to simulate both the tip locus and tip deflectionangle of large-deflection links for compliant mechanisms on the basis of the angular deflection approximation

Keywords： compliant mechanism     pseudo-rigid-body model (PRBM)     large-deflection link     angular deflection approximation    

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New nonlinear stiffness actuator with predefined torque‒deflection profile

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0721-3

Abstract: springs and especially designed cams, which could perform a predefined relationship between torque and deflectionAn analytical methodology that maps the predefined relationship between torque and deflection to theSimulations of different torque‒deflection profiles were carried out to verify the accuracy and applicabilityof performing predefined torque‒deflection profiles.Three kinds of prototype experiments, including verification experiment of the predefined torque‒deflection

Keywords： compliant actuator     nonlinear stiffness actuator     nonlinear spring     predefined torque−deflection profile    

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Deflection Analysis of RC Beam Strengthened by Epoxy-bonded Glass Fiber Reinforced Plastic Plate

Duan Jingmin,Qian Yongjiu,Zeng Xiantao

Strategic Study of CAE 2004, Volume 6, Issue 10,   Pages 79-82

Abstract: In this paper, the pulling force of GFRP plate and the deflection of the plated beam have been analyzed

Keywords： strengthening     GFRP     RC beam     deflection    

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Operating characteristic analysis on the ultra-thin low temperature floor-heating system

Hualing ZHANG, Xiaopeng SONG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 127-132 doi: 10.1007/s11709-013-0200-3

Abstract: However, there is a lack of operating characteristic research in this region, especially the energy consumptionand operating mode are even less.Meanwhile, the energy consumption at supply water temperature 50°C increased 0.10 Nm /h, and the operatingConsidering both the thermal lag and operating efficiency, a reasonable suggestion was proposed in this

Keywords： ultra-thin floor heating panel     the preheating time     thermal comfort     energy saving    

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Instantaneous deflection of light-weight concrete slabs

Behnam VAKHSHOURI, Shami NEJADI

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 412-423 doi: 10.1007/s11709-017-0416-8

Abstract: moment together with the influences of ultimate moment capacity and service moment on the instantaneous deflectionmodels in the literature shows considerable differences between the recorded and estimated instantaneous deflectionBased on sensitivity analysis of the effective parameters, a new equation is proposed and verified topredict the instantaneous deflection of LWC slabs subjected to loading at the age of 14 d.

Keywords： instantaneous deflection     light-weight concrete     expanded polystyrene     effective moment of inertia     cracking    

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Identification of abnormal operating conditions and intelligent decision system

Xiuliang LI, Junjie JIANG, Hongye SU, Jian CHU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 456-462 doi: 10.1007/s11465-011-0224-0

Abstract: state” is difficult to form using the soil dug in the capsule because it can cause three abnormal operatingThese abnormal operating conditions can, in turn, trigger failure in tunneling, cutter-device damage,This present paper effectively integrates the mechanism of abnormal operating conditions and knowledge

Keywords： earth pressure balance (EPB) shield machine     soil pressure cabin     abnormal operating condition     belief rule-base    

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Experimental study on influence of operating parameters on tar components from corn straw gasification

Shuai GUO, Xiao WEI, Deyong CHE, Hongpeng LIU, Baizhong SUN

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 374-383 doi: 10.1007/s11708-020-0710-3

Abstract: Gasification is a promising approach for converting solid fuel sources, including renewable ones like biomass, for use. The main problem in biomass gasification is the formation of condensable tars, including polycyclic aromatic hydrocarbons (PAHs). This paper investigated the conversion of tar components during corn straw gasification. It analyzed collected tar components using a gas chromatograph-mass spectrograph (GC-MS). Experimental results indicate that, with increasing temperature from 700°C to 900°C, the concentrations of benzene, indene, phenanthrene, naphthalene, acenaphthylene, fluorene, and pyrene increased whereas those of toluene, phenol, 1-methylnaphthalene, and 2-methylnaphthalene decreased. As the equivalence ratio (ER) increased from 0.21 to 0.34, the concentrations of indene and phenanthrene increased from 0.148% and 0.087% to 0.232% and 0.223%, respectively. Further, the phenol content increased as ER increased from 0.21 to 0.26 and then decreased as the ER increased further to 0.34. Other parameters like the steam/biomass (S/B) ratio and catalyst also played a critical role in tar reduction. This paper demonstrates the conversion of some tar components and elucidates their chemical properties during gasification.

Keywords： gasification     tar components     operating parameters    

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Non linear modeling of three-dimensional reinforced and fiber concrete structures

Fatiha IGUETOULENE, Youcef BOUAFIA, Mohand Said KACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 439-453 doi: 10.1007/s11709-017-0433-7

Abstract: Under the effect of the ascending loading, the behavior of reinforced concrete structures is rather non linear. Research in industry and science aims to extend forward the use of non-linear calculation of fiber concrete for structural parts such as columns, veils and pious, as the fiber concrete is more ductile behavior then the classical concrete behavior. The formulation of the element has been established for modeling the nonlinear behavior of elastic structures in three dimensions, based on the displacement method. For the behavior of concrete and fiber concrete compressive and tensile strength (stress-strain) the uniaxial formulation is used. For steel bi-linear relationship is used. The approach is based on the discretization of the cross section trapezoidal tables. Forming the stiffness matrix of the section, the integral of the surface is calculated as the sum of the integrals on each of the cutting trapezoids. To integrate on the trapeze we have adopted the type of Simpson integration scheme.

Keywords： numerical modeling     column and beam     nonlinear analysis     fibers     pious     reinforcement     3D formulation     responseload-deflection    

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Prevention of surgical site infection under different ventilation systems in operating room environment

Zhijian Liu, Haiyang Liu, Hang Yin, Rui Rong, Guoqing Cao, Qihong Deng

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-020-1327-9

Abstract: Biological particles in the operating room (OR) air environment can cause surgical site infections (SSIseffective ventilation system among the four ventilation systems for ensuring air cleanliness in the operatingThis study also indicated that air cleanliness in the operating area depended not only on the airflow

Keywords： Operating room (OR)     Bacteria-carrying particles (BCPs)     Surgical site infections (SSIs)     Ventilation    

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Title Author Date Type Operation

Vibration testing of a steel girder bridge using cabled and wireless sensors

Dapeng ZHU, Yang WANG, James BROWNJOHN

Journal Article

Thermal deflection analysis of the solidified shell in continuous casting of slab

LIU Hongzhao, WANG Zhongmin

Journal Article

The Finite Element Analysis for Supporting Wheel Deflection’s Contact of Large-scale Rotary Kiln With

Li Xuejun,Zhang Meiyang,Chu Fulei

Journal Article

Mechanics analysis of thin-walled box continuous girder with variable cross-sections in considering effectof large deflection and shear lag

Yuji CHEN, Qizhi LUO,

Journal Article

Operating mechanism and set pair analysis model of a sustainable water resources system

Chaoyang DU,Jingjie YU,Huaping ZHONG,Dandan WANG

Journal Article

Improved prediction of pile bending moment and deflection due to adjacent braced excavation

Journal Article

Modeling of large-deflection links for compliant mechanisms

Zhonglei FENG, Yueqing YU, Wenjing WANG,

Journal Article

New nonlinear stiffness actuator with predefined torque‒deflection profile

Journal Article

Deflection Analysis of RC Beam Strengthened by Epoxy-bonded Glass Fiber Reinforced Plastic Plate

Duan Jingmin,Qian Yongjiu,Zeng Xiantao

Journal Article

Operating characteristic analysis on the ultra-thin low temperature floor-heating system

Hualing ZHANG, Xiaopeng SONG

Journal Article

Instantaneous deflection of light-weight concrete slabs

Behnam VAKHSHOURI, Shami NEJADI

Journal Article

Identification of abnormal operating conditions and intelligent decision system

Xiuliang LI, Junjie JIANG, Hongye SU, Jian CHU

Journal Article

Experimental study on influence of operating parameters on tar components from corn straw gasification

Shuai GUO, Xiao WEI, Deyong CHE, Hongpeng LIU, Baizhong SUN

Journal Article

Non linear modeling of three-dimensional reinforced and fiber concrete structures

Fatiha IGUETOULENE, Youcef BOUAFIA, Mohand Said KACHI

Journal Article

Prevention of surgical site infection under different ventilation systems in operating room environment

Zhijian Liu, Haiyang Liu, Hang Yin, Rui Rong, Guoqing Cao, Qihong Deng

Journal Article