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Control of wind-induced vibration of long-span bridges and tall buildings

GU Ming

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 51-62 doi: 10.1007/s11709-007-0005-3

Abstract: The multiple tuned mass damper (MTMD) system is applied to control vertical bending buffeting responselever-type tuned mass damper (TMD) with an adjustable frequency is proposed to control vertical bending buffetingand torsional buffeting and flutter in the whole velocity range of bridge decks.

Keywords： torsional buffeting     large-scale     semiactive     adjustable frequency     building aeroelastic    

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Mechanism of self-excited torsional vibration of locomotive driving system

Jianxin LIU, Huaiyun ZHAO, Wanming ZHAI

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 465-469 doi: 10.1007/s11465-010-0115-9

Abstract: A single wheelset drive model and 2-DOFs torsional vibration model were established to investigate theself-excited torsional vibration of a locomotive driving system.The simulation results indicate that the self-excited torsional vibration occurs when the steady slip

Keywords： locomotive     driving system     self-excited torsional vibration     mechanism     influence factor    

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Flexural-torsional buckling behavior of aluminum alloy beams

Xiaonong GUO,Zhe XIONG,Zuyan SHEN

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 163-175 doi: 10.1007/s11709-014-0272-8

Abstract: This paper presents an investigation on the flexural-torsional buckling behavior of aluminum alloy beamsunder concentrated loads, the failure pattern, load-deformation curves, bearing capacity and flexural-torsionalIt is found that all the beam specimens collapsed in the flexural-torsional buckling with excessive deformationMoreover, the span, loading location and slenderness ratio influence the flexural-torsional bucklingSecondly, besides the experiments, a finite element method (FEM) analysis on the flexural-torsional buckling

Keywords： flexural-torsional buckling     aluminum alloy beams (AAB)     finite element method (FEM)     theoretical formula    

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Control efficiency optimization and Sobol’s sensitivity indices of MTMDs design parameters for buffeting

Nazim Abdul NARIMAN

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1,   Pages 66-89 doi: 10.1007/s11709-016-0356-8

Abstract: dedicated to formulate the surrogate models to represent the control efficiency of the vertical and torsionalThe optimization results revealed better performance of the MTMDs in controlling the vertical and the torsional

Keywords： MTMDs     power spectral density     fast Fourier transform     minimax optimization technique     Sobol’s sensitivity indices     Box-Behnken method    

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A novel structural modification to eliminate the early coupling between bending and torsional mode shapes

Nazim Abdul NARIMAN

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 131-142 doi: 10.1007/s11709-016-0376-4

Abstract: structural modification approach has been adopted to eliminate the early coupling between the bending and torsionalBoth vertical and torsional displacements are calculated at the mid span of the deck to analyze boththe bending and the torsional stiffness of the system before and after the structural modification.Furthermore, the coupling between the vertical and torsional mode shapes has been removed to larger naturalThe novel structural approach manifested great efficiency in increasing vertical and torsional stiffness

Keywords： aeroelastic instability     structural damping     flutter wind speed     bending stiffness     torsional stiffness    

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An analytical method for calculating torsional constants for arbitrary complicated thin-walled cross-sections

DU Baisong, GE Yaojun, ZHOU Zheng

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 293-297 doi: 10.1007/s11709-007-0038-7

Abstract: In this paper, an analytical method is proposed for calculating torsional constants for complicated thin-walledAfter changing the form of the equations and combining these two unknowns into one, torsional functionAll the torsional functions can be easily obtained from these homogeneous linear equations, and torsionalconstants can be easily obtained from the torsional functions.The advantage of this method is that we can easily and directly obtain torsional constants from the torsional

Keywords： homogeneous     complicated thin-walled     numerical example     advantage     torsional function    

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Lateral-torsional buckling capacity assessment of web opening steel girders by artificial neural networks

Yasser SHARIFI,Sajjad TOHIDI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 167-177 doi: 10.1007/s11709-014-0236-z

Abstract: A three-dimensional (3D) finite element (FE) model using ABAQUS for the elastic flexural torsional analysisnetwork (ANN) approach has been also employed to derive empirical formulae for predicting the lateral-torsional

Keywords： steel I-beams     lateral-torsional buckling     finite element (FE) method     artificial neural network (ANN) approach    

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Proposing two new methods to decrease lateral-torsional buckling in reduced beam section connections

Samira EBRAHIMI; Nasrin BAKHSHAYESH EGHBALI; Mohammad Mehdi AHMADI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1581-1598 doi: 10.1007/s11709-022-0886-1

Abstract: Reduced web section (RWS) connections can prevent lateral-torsional buckling and web local buckling experiencedAccording to the results, RBS-ST and RW-RBS connections can decrease or even eliminate lateral-torsional

Keywords： RBS     RBS-ST     RW-RBS     lateral-torsional buckling     cyclic performance    

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Hole quality in longitudinal–torsional coupled ultrasonic vibration assisted drilling of carbon fiber

Guofeng MA, Renke KANG, Zhigang DONG, Sen YIN, Yan BAO, Dongming GUO

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 538-546 doi: 10.1007/s11465-020-0598-y

Abstract: The advanced longitudinal–torsional coupled ultrasonic vibration assisted drilling (LTC-UAD) method has

Keywords： longitudinal–torsional coupled     ultrasonically drilling     CFRP     thrust force     hole quality    

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Torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic half-space

Dazhi WU,Lu YU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 194-202 doi: 10.1007/s11709-015-0292-z

Abstract: Considering the interactions between an embedded foundation and saturated soil, the torsional vibrationsAccording to the dynamic equilibrium equations of a foundation under harmonic torque, the torsional vibrationsSelected examples are presented to investigate the influence of relevant parameters on the torsional

Keywords： embedded foundation     saturated soil     rigid foundation     elastic foundation     torsional vibration    

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A Comparative Assessment of Aerodynamic Models for Buffeting and Flutter of Long-Span Bridges

Igor Kavrakov, Guido Morgenthal

Engineering 2017, Volume 3, Issue 6,   Pages 823-838 doi: 10.1016/j.eng.2017.11.008

Abstract: This paper aims to investigate different formulations of self-excited and buffeting forces in the timeproperties implied in the aerodynamic models, such as aerodynamic damping and stiffness, fluid memory in the buffetingFurthermore, a simplified method for the computation of buffeting forces including the aerodynamic admittance

Keywords： Buffeting     Flutter     Long-span bridges     Bridge aerodynamics     Bridge aeroelasticity     Erection stage    

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Sensitivity analysis of torsional vibration behavior of the shafting of a turbo generator set to changes

XIE Danmei, ZHANG Hengliang, DONG Chuan, LIU Zhanhui, YANG Changzhu

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 483-486 doi: 10.1007/s11708-007-0072-4

Abstract: Aiming at a 300 MW turbo-generator model, the sensitivity of natural torsional frequencies and modesof torsional vibration (TV) to the rotational inertia and stiffness of the turbo-generator were analyzed

Keywords： Calculation     MW turbo-generator     sensitivity     stiffness    

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Safety and serviceability assessment for high-rise tower crane to turbulent winds

Zhi SUN, Nin HOU, Haifan XIANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 18-24 doi: 10.1007/s11709-009-0009-2

Abstract: safety and serviceability assessment of high-rise tower crane to turbulent winds based on time domain buffetingThe buffeting forces applied to the structure were computed according to the above-simulated wind velocitycalibrated finite element model and the nonlinear time history analysis was conducted to compute structural buffetingThe proposed method is then adopted for analyzing the buffeting response of an in-use tower crane under

Keywords： tower crane     buffeting response     wind velocity     modeling    

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Stability and dynamics of rotor system with 45° slant crack on shaft

Yanli LIN, Xiaohui SI, Fulei CHU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 203-213 doi: 10.1007/s11465-011-0131-4

Abstract: Stability and dynamic characteristics of the rotor system with a 45° slant crack on the shaft under torsionalcomponents, and when the two bending stiffness are identical, the multiple frequency components of the torsionalinvestigation shows that the vibration amplitudes in combined frequencies increase rapidly in transversal, torsional

Keywords： rotor dynamics     slant crack     stability     torsional excitation     open and close    

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Torsional behavior of triangular web profile (TRIWP) steel section by experimental study

Fatimah DE’NAN,Hazwani HASAN,Mohd Hanim OSMAN,Sariffudin SAAD

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 409-419 doi: 10.1007/s11709-016-0358-6

Abstract: This study examined the torsional behavior of TriWP steel sections and compared to that of the flat webFor both types of specimens, it was observed that the torsional rotation for bigger size [200 mm × 100At the maximum torsional loading, the experimental result was compared to the theoretical calculationFrom the graph of torsional load versus rotational angle, the torsional rotation for all TriWP steelsections were smaller than that of the FW steel section under the same torsional loading i.e., 0.2 kNm

Keywords： corrugated web     i-beam     non uniform steel section     torsion resistance     torsion angle     triangular web profile steel section    

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Title Author Date Type Operation

Control of wind-induced vibration of long-span bridges and tall buildings

GU Ming

Journal Article

Mechanism of self-excited torsional vibration of locomotive driving system

Jianxin LIU, Huaiyun ZHAO, Wanming ZHAI

Journal Article

Flexural-torsional buckling behavior of aluminum alloy beams

Xiaonong GUO,Zhe XIONG,Zuyan SHEN

Journal Article

Control efficiency optimization and Sobol’s sensitivity indices of MTMDs design parameters for buffeting

Nazim Abdul NARIMAN

Journal Article

A novel structural modification to eliminate the early coupling between bending and torsional mode shapes

Nazim Abdul NARIMAN

Journal Article

An analytical method for calculating torsional constants for arbitrary complicated thin-walled cross-sections

DU Baisong, GE Yaojun, ZHOU Zheng

Journal Article

Lateral-torsional buckling capacity assessment of web opening steel girders by artificial neural networks

Yasser SHARIFI,Sajjad TOHIDI

Journal Article

Proposing two new methods to decrease lateral-torsional buckling in reduced beam section connections

Samira EBRAHIMI; Nasrin BAKHSHAYESH EGHBALI; Mohammad Mehdi AHMADI

Journal Article

Hole quality in longitudinal–torsional coupled ultrasonic vibration assisted drilling of carbon fiber

Guofeng MA, Renke KANG, Zhigang DONG, Sen YIN, Yan BAO, Dongming GUO

Journal Article

Torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic half-space

Dazhi WU,Lu YU

Journal Article

A Comparative Assessment of Aerodynamic Models for Buffeting and Flutter of Long-Span Bridges

Igor Kavrakov, Guido Morgenthal

Journal Article

Sensitivity analysis of torsional vibration behavior of the shafting of a turbo generator set to changes

XIE Danmei, ZHANG Hengliang, DONG Chuan, LIU Zhanhui, YANG Changzhu

Journal Article

Safety and serviceability assessment for high-rise tower crane to turbulent winds

Zhi SUN, Nin HOU, Haifan XIANG

Journal Article

Stability and dynamics of rotor system with 45° slant crack on shaft

Yanli LIN, Xiaohui SI, Fulei CHU

Journal Article

Torsional behavior of triangular web profile (TRIWP) steel section by experimental study

Fatimah DE’NAN,Hazwani HASAN,Mohd Hanim OSMAN,Sariffudin SAAD

Journal Article