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Aerodynamic interference effects and mitigation measures on vortex-induced vibrations of two adjacent cable-stayed bridges

Xiaoliang MENG, Ledong ZHU, Zhenshan GUO

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4,   Pages 510-517 doi: 10.1007/s11709-011-0129-3

Abstract: By examining the two neighboring Haihe Bridges with semi- and full-closed bridge decks, the aerodynamicinterference between the two decks on the vortex-induced vibration (VIV) and the corresponding aerodynamicinterference and that the extent of the influence varies with the shapes of the windward and leeward deckseffective combined measure of adding wind barriers and sharpening the wind fairing noses of the two box decks

Keywords： separated parallel decks     vortex-induced vibration     aerodynamic interference     aerodynamic mitigation measure    

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Adsorption of phosphate on magnetite-enriched particles (MEP) separated from the mill scale

Muhammad Kashif Shahid, Yunjung Kim, Young-Gyun Choi

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1151-2

Abstract: MEP were separated from mill scale at low magnetic intensity i.e., 300 to 500 gauss.

Keywords： Adsorption     Magnetite     Mill-scale     Phosphate     Wastewater treatment    

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Predictor-corrector algorithm for solving quasi-separated-flow and transient distributed-parameter model

Ping ZHANG, Guoliang DING

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 535-541 doi: 10.1007/s11708-010-0113-y

Abstract: The successive sub?stitution (SS) method is a suitable approach to solving the transient distributed-parameter model for heat exchangers. However, this method must be enhanced because its convergence heavily depends on the iterative initial pressure. When the iterative initial pressure is improperly assigned, the calculated flow rates become negative values, causing the state parameters to exhibit negative values as well. Therefore, a predictor-corrector algorithm (PCA) is proposed to improve the convergence of the SS method. A predictor is developed to determine an appropriate iterative initial pressure. Total fluid mass is adopted as the convergence criterion of pressure iteration instead of outlet flow rate as is done in the SS method. Convergence analysis and case study of the PCA and SS method are conducted, which show that the PCA has better convergence than the SS method under the same working conditions.

Keywords： algorithm     convergence     heat exchanger     modeling     transient    

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Structural optimization of typical rigid links in a parallel kinematic machine

Xinjun LIU, Zhidong LI, Xiang CHEN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 344-353 doi: 10.1007/s11465-011-0227-x

Abstract:

The motion dynamics and accuracy of parallel kinematic machines largely depend on the weights andwork employs the techniques of topology and size optimization to design two typical rigid links of a parallel

Keywords： topology optimization     size optimization     parallel kinematic machine (PKM)    

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Optimal design of a linkage–cam mechanism-based redundantly actuated parallel manipulator

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 451-467 doi: 10.1007/s11465-021-0634-6

Abstract: A redundantly actuated parallel manipulator (RAPM) with mixed translational and rotational degrees of

Keywords： redundant actuation     parallel manipulator     linkage–cam mechanism     Jacobian     optimal design    

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Variable identification and automatic tuning of the main module of a servo system of parallel mechanism

YANG Zhiyong, XU Meng, HUANG Tian, NI Yanbing

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 82-88 doi: 10.1007/s11465-007-0014-x

Abstract: The variables of the main module of a servo system for miniature reconfigurable parallel mechanism were

Keywords： acceleration     reconfigurable parallel     additive     sequence     parallel mechanism    

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Cusp points and assembly changing motions in the PRR-PR-PRR planar parallel manipulator

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0743-x

Abstract: Most parallel manipulators have multiple solutions to the direct kinematic problem.study investigates the cusp points and assembly changing motions in a two degrees of freedom planar parallel

Keywords： planar parallel manipulator     assembly changing motions     cusp points     quartic polynomial     discriminant    

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A rolling 3-UPU parallel mechanism

Zhihuai MIAO, Yan’an YAO, Xianwen KONG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 340-349 doi: 10.1007/s11465-013-0282-6

Abstract:

A novel rolling mechanism is proposed based on a 3-UPU parallel mechanism in this paper.

Keywords： parallel mechanism     rolling mechanism     screw theory    

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Group-based multiple pipe routing method for aero-engine focusing on parallel layout

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 798-813 doi: 10.1007/s11465-021-0645-3

Abstract: in limited three-dimensional space is a typical nondeterministic polynomial hard problem, where the parallelThis paper presents an automatic multiple pipe routing method for aero-engine that focuses on parallelFurthermore, to eliminate the minor angle deviation of parallel pipes that would cause assembly stress

Keywords： multiple pipe routing     optimization algorithm     aero-engine     pipe grouping     parallel layout    

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New kind of subarea-parallel scanning mode for laser metal deposition shaping

BIAN Hongyou, LIU Weijun, ZHAO Jibin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 417-422 doi: 10.1007/s11465-007-0071-1

Abstract: A new kind of subarea-parallel scanning mode for LMDS based on a subdividing profiled outline into monotonousSecond, the parallel scanning paths of all monotonous polygon subareas are finished, which diminishes

Keywords： scanning     parallel scanning     practical application     fabrication efficiency     LMDS    

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Error analysis and optimization of a 3-degree of freedom translational Parallel Kinematic Machine

S. SHANKAR GANESH,A. B. KOTESWARA RAO

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 120-129 doi: 10.1007/s11465-014-0300-3

Abstract:

In this paper, error modeling and analysis of a typical 3-degree of freedom translational Parallel X, Y and Z directions for a set of dimensions of the parallelAn attempt is made to find the optimal dimensions of the Parallel Kinematic Machine using Genetic Algorithmsmethodology presented and the results obtained are useful for predicting the performance capability of the Parallel

Keywords： translational Parallel Kinematic Machine     error modeling     global error transformation index    

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Elevated temperature creep model of parallel wire strands

Frontiers of Structural and Civil Engineering   Pages 1060-1071 doi: 10.1007/s11709-023-0981-y

Abstract: Parallel wire strands (PWSs), which are widely used in prestressed steel structures, are typically in

Keywords： parallel wire strands     experimental study     elevated temperature creep model    

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A comprehensive analysis of a 3-P (Pa) S spatial parallel manipulator

Yuzhe LIU,Liping WANG,Jun WU,Jinsong WANG

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 7-19 doi: 10.1007/s11465-015-0324-3

Abstract:

In this paper, a novel 3-degree of freedom (3-DOF) spatial parallel kinematic machine (PKM) is analyzed

Keywords： parallel mechanism     concomitant motions     kinematics     workspaces     error model    

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Design and analysis of the gripper mechanism based on generalized parallel mechanisms with configurable

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 765-781 doi: 10.1007/s11465-021-0655-1

Abstract: Generalized parallel mechanisms with a configurable moving platform have become popular in the researchfield of parallel mechanism.translations and two rotations plus an additional grasping motion) gripper mechanisms based on the generalized parallel

Keywords： generalized parallel mechanism     configurable moving platform     gripper mechanism     type synthesis     kinematic    

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Dynamic modeling of flexible-links planar parallel robots

DU Zhaocai, YU Yueqing, ZHANG Xuping, DU Zhaocai

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 232-237 doi: 10.1007/s11465-008-0032-3

Abstract: This paper presents a finite element-based method for dynamic modeling of parallel robots with flexible(KED) theory and Lagrange formula are used to derive the dynamic equations of planar flexible-links parallelThe dynamic behavior of the flexible-links planar parallel robot is well illustrated through numericalsimulation of a planar 3-RR parallel robot.have a significant impact on the position error and orientation error of the flexible-links planar parallel

Keywords： 3-RR parallel     KED     coupling     software SAMCEF     orientation    

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Title Author Date Type Operation

Aerodynamic interference effects and mitigation measures on vortex-induced vibrations of two adjacent cable-stayed bridges

Xiaoliang MENG, Ledong ZHU, Zhenshan GUO

Journal Article

Adsorption of phosphate on magnetite-enriched particles (MEP) separated from the mill scale

Muhammad Kashif Shahid, Yunjung Kim, Young-Gyun Choi

Journal Article

Predictor-corrector algorithm for solving quasi-separated-flow and transient distributed-parameter model

Ping ZHANG, Guoliang DING

Journal Article

Structural optimization of typical rigid links in a parallel kinematic machine

Xinjun LIU, Zhidong LI, Xiang CHEN

Journal Article

Optimal design of a linkage–cam mechanism-based redundantly actuated parallel manipulator

Journal Article

Variable identification and automatic tuning of the main module of a servo system of parallel mechanism

YANG Zhiyong, XU Meng, HUANG Tian, NI Yanbing

Journal Article

Cusp points and assembly changing motions in the PRR-PR-PRR planar parallel manipulator

Journal Article

A rolling 3-UPU parallel mechanism

Zhihuai MIAO, Yan’an YAO, Xianwen KONG

Journal Article

Group-based multiple pipe routing method for aero-engine focusing on parallel layout

Journal Article

New kind of subarea-parallel scanning mode for laser metal deposition shaping

BIAN Hongyou, LIU Weijun, ZHAO Jibin

Journal Article

Error analysis and optimization of a 3-degree of freedom translational Parallel Kinematic Machine

S. SHANKAR GANESH,A. B. KOTESWARA RAO

Journal Article

Elevated temperature creep model of parallel wire strands

Journal Article

A comprehensive analysis of a 3-P (Pa) S spatial parallel manipulator

Yuzhe LIU,Liping WANG,Jun WU,Jinsong WANG

Journal Article

Design and analysis of the gripper mechanism based on generalized parallel mechanisms with configurable

Journal Article

Dynamic modeling of flexible-links planar parallel robots

DU Zhaocai, YU Yueqing, ZHANG Xuping, DU Zhaocai

Journal Article