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Static behavior of planar intersecting CFST connection in diagrid structure

Ling LI, Xianzhong ZHAO, Ke KE

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 355-365 doi: 10.1007/s11709-011-0125-7

Abstract: Intersecting connection plays an important role in the new diagrid structural system for high-rise buildingsTo investigate the static behavior of the intersecting connection of concrete-filled steel tubular (CFSTTest and simulation results prove that, intersecting connection can develop fully plastic deformationParametric analysis indicates that bearing capacity of planar intersecting CFST connection mainly dependsCapacity estimation method for planar intersecting CFST connection is proposed basing on the capacity

Keywords： diagrid structure     concrete-filled steel tube     planar intersecting connection     experimental research     mechanism    

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Genetic evidence in planar cell polarity signaling pathway in human neural tube defects

Chunquan Cai, Ouyan Shi

Frontiers of Medicine 2014, Volume 8, Issue 1,   Pages 68-78 doi: 10.1007/s11684-014-0308-4

Abstract: The planar cell polarity (PCP) pathway controls the process of convergent extension (CE) during gastrulation

Keywords： planar cell polarity     neural tube defects     rare mutations    

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Static balancing of planar articulated robots

Giuseppe QUAGLIA,Zhe YIN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 326-343 doi: 10.1007/s11465-015-0355-9

Abstract:

Static balancing for a manipulator’s weight is necessary in terms of energy saving and performance improvement. This paper proposes a method to design balancing devices for articulated robots in industry, based on robotic dynamics. Full design details for the balancing system using springs are presented from two aspects: One is the optimization for the position of the balancing system; the other is the design of the spring parameters. As examples, two feasible balancing devices are proposed, based on different robotic structures: The first solution consists of linkages and springs; the other consists of pulleys, cross mechanisms and (hydro-) pneumatic springs. Then the two solutions are compared. Pneumatic, hydro-pneumatic and mechanical springs are discussed and their parameters are decided according to the requirements of torque compensation. Numerical results show that with the proper design using the methodology presented in this paper, an articulated robot can be statically balanced perfectly in all configurations. This paper therefore provides a design method of the balancing system for other similar structures.

Keywords： robotics     static balancing     pneumatic spring     mechanical spring     torque compensation    

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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: This study investigates the cusp points and assembly changing motions in a two degrees of freedom planar

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

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Stability analysis of slopes with planar failure using variational calculus and numerical methods

Norly BELANDRIA, Roberto ÚCAR, Francisco M. LEÓN, Ferri HASSANI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1262-1273 doi: 10.1007/s11709-020-0657-9

Abstract: technique of variational calculus applied to estimate the slope stability considering the mechanism of planarThe surface of the critical planar failure is determined by applying the condition of transversalityThe number of slices is varied in one of the examples, while the surface of the critical planar failureAll the results obtained by considering normal stress, safety factors, and critical planar failure are

Keywords： slopes stability     planar failure     variational calculus     numerical methods    

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Numerical investigation of the chemical and electrochemical characteristics of planar solid oxide fuel

Yuzhang WANG, Shilie WENG, Yiwu WENG

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 195-206 doi: 10.1007/s11708-011-0148-8

Abstract: A fully three-dimensional mathematical model of a planar solid oxide fuel cell (SOFC) with complete direct

Keywords： planar solid oxide fuel cell (SOFC)     direct internal reforming     chemical reaction     methane     electrochemical    

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Polyhedral linkages obtained as assemblies of planar link groups

GÖkhan KİPER, Eres SÖYLEMEZ

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 1,   Pages 3-9 doi: 10.1007/s11465-013-0363-6

Abstract: means of obtaining polyhedral linkages for homothetic deployment of polyhedral shapes by embedding planarmay be suitable for such a purpose and what are the compatibility conditions for spatially assembling planar

Keywords： polyhedral linkages     homothety     homohedra     tangential polyhedra    

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Risk evaluation for the task transfer of an aircraft maintenance program based on a multielement connection

Frontiers of Engineering Management doi: 10.1007/s42524-023-0282-0

Abstract: A multielement connection number-based evaluative model is employed to characterize decision-specificMoreover, the paper conducts a temporal risk trend analysis founded on partial connection numbers of

Keywords： risk evaluation     maintenance steering group     analytic network process     task transfer     maintenance program    

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Mouth the mirror of lungs: where does the connection lie?

Jananni Muthu,Sivaramakrishnan Muthanandam,Jaideep Mahendra

Frontiers of Medicine 2016, Volume 10, Issue 4,   Pages 405-409 doi: 10.1007/s11684-016-0476-5

Abstract:

Periodontitis is the chronic destructive disease of the periodontium (Gums) caused by host bacterial interactions. The effect of such host bacterial interactions in oral cavity also evokes a systemic response. Numerous studies have found common mechanisms of destruction for periodontal diseases and other chronic diseases like diabetes mellitus, atherosclerosis, respiratory diseases, and adverse pregnancy outcomes. Oral colonization by respiratory pathogens appears to be a risk factor for development of respiratory diseases and oral interventions aimed at reducing oral bacterial count have resulted in reduced incidence of these reparatory illness. This reflects the importance of oral hygiene among patients with respiratory illness. This review highlights the association between periodontal diseases and respiratory diseases.

Keywords： periodontitis     respiratory diseases     acute pneumonia     COPD    

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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: Kineto-Elasto dynamics (KED) theory and Lagrange formula are used to derive the dynamic equations of planarThe dynamic behavior of the flexible-links planar parallel robot is well illustrated through numericalsimulation of a planar 3-RR parallel robot.demonstrated to have a significant impact on the position error and orientation error of the flexible-links planar

Keywords： 3-RR parallel     KED     coupling     software SAMCEF     orientation    

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Investigation of fatigue resistance of fillet-welded tube connection details for sign support structures

Hyungjoo CHOI, Husam NAJM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 199-214 doi: 10.1007/s11709-019-0592-9

Abstract: Stiffened and unstiffened fillet-welded tube-to-transverse plate connection details are widely used forThe main objective of this study is to evaluate fatigue resistance of fillet-welded tube connection detailsThe results of this investigation provides fatigue resistance of fillet-welded connection details inthe form of fatigue life, fatigue damage and safety factor for various connection parameters and structural

Keywords： fatigue     weld connections     base plate     fillet welds    

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Loss of liver kinase B1 causes planar polarity defects in cochlear hair cells in mice

Yuqin Men,Aizhen Zhang,Liwen Zhang,Yecheng Jin,Zhishuo Wang,Jing Zhao,Xiaolin Yu,Jian Zhang,Jiangang Gao

Frontiers of Medicine 2016, Volume 10, Issue 4,   Pages 481-489 doi: 10.1007/s11684-016-0494-3

Abstract: The orientation of stereociliary bundles and the migration of kinocilia are critical indicators of planarLKB1 deficiency in LKB1Pax2 CKO mice thus disrupted hair cell planar polarity during

Keywords： LKB1     stereociliary bundles     kinocilium     planar cell polarity     hearing     mice    

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An innovative model for predicting the displacement and rotation of column-tree moment connection under

Mohammad Ali NAGHSH, Aydin SHISHEGARAN, Behnam KARAMI, Timon RABCZUK, Arshia SHISHEGARAN, Hamed TAGHAVIZADEH, Mehdi MORADI

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 194-212 doi: 10.1007/s11709-020-0688-2

Abstract: carried out nonlinear finite element simulations to predict the performance of a column-tree moment connection

Keywords： column-tree moment connection     Finite element model     parametric study     fire     regression models     gene expression    

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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 flexible

Keywords： numerical simulation     Due     coupling     software SAMCEF     flexibility    

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Simulation of grid connection and maximum power point tracking control of brushless doubly-fed generator

Hicham SERHOUD, Djilani BENATTOUS

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 380-387 doi: 10.1007/s11708-013-0252-z

Abstract: model in a common synchronous reference frame of the brushless doubly-fed generator (BDFG), the grid connection

Keywords： brushless doubly-fed generator (BDFG)     modeling     grid connection control     back-to-back pulse-width modulation    

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Title Author Date Type Operation

Static behavior of planar intersecting CFST connection in diagrid structure

Ling LI, Xianzhong ZHAO, Ke KE

Journal Article

Genetic evidence in planar cell polarity signaling pathway in human neural tube defects

Chunquan Cai, Ouyan Shi

Journal Article

Static balancing of planar articulated robots

Giuseppe QUAGLIA,Zhe YIN

Journal Article

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

Journal Article

Stability analysis of slopes with planar failure using variational calculus and numerical methods

Norly BELANDRIA, Roberto ÚCAR, Francisco M. LEÓN, Ferri HASSANI

Journal Article

Numerical investigation of the chemical and electrochemical characteristics of planar solid oxide fuel

Yuzhang WANG, Shilie WENG, Yiwu WENG

Journal Article

Polyhedral linkages obtained as assemblies of planar link groups

GÖkhan KİPER, Eres SÖYLEMEZ

Journal Article

Risk evaluation for the task transfer of an aircraft maintenance program based on a multielement connection

Journal Article

Mouth the mirror of lungs: where does the connection lie?

Jananni Muthu,Sivaramakrishnan Muthanandam,Jaideep Mahendra

Journal Article

Dynamic modeling of flexible-links planar parallel robots

DU Zhaocai, YU Yueqing, ZHANG Xuping, DU Zhaocai

Journal Article

Investigation of fatigue resistance of fillet-welded tube connection details for sign support structures

Hyungjoo CHOI, Husam NAJM

Journal Article

Loss of liver kinase B1 causes planar polarity defects in cochlear hair cells in mice

Yuqin Men,Aizhen Zhang,Liwen Zhang,Yecheng Jin,Zhishuo Wang,Jing Zhao,Xiaolin Yu,Jian Zhang,Jiangang Gao

Journal Article

An innovative model for predicting the displacement and rotation of column-tree moment connection under

Mohammad Ali NAGHSH, Aydin SHISHEGARAN, Behnam KARAMI, Timon RABCZUK, Arshia SHISHEGARAN, Hamed TAGHAVIZADEH, Mehdi MORADI

Journal Article

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

DU Zhaocai, YU Yueqing, YANG Jianxin

Journal Article

Simulation of grid connection and maximum power point tracking control of brushless doubly-fed generator

Hicham SERHOUD, Djilani BENATTOUS

Journal Article