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The new design method of the reinforcing bars in the prestressed anchorage plates

Zhang Xiangqun,Lin Bo,Liu Zhao

Strategic Study of CAE 2010, Volume 12, Issue 4,   Pages 82-85

Abstract:

The tooth plate anchorage zones of the prestressed concrete girder bridgebear the anchorage forces and radial forces of prestressed bars and are easy to form cracks or breakstrut-and-tie bar theory is constructed to form a novel design method for the prestressed bar design in the anchorage

Keywords： tooth plate anchorage zone     D region (discontinuity or disturbance region)     strut-and-tie model    

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Numerically investigating the crushing of sandstone by a tooth hob

Frontiers of Structural and Civil Engineering   Pages 964-979 doi: 10.1007/s11709-023-0978-6

Abstract: To investigate the mechanical process that occurs between rocks and tooth hobs, the crushing of sandstonewith a tooth hob was simulated using reconstructed multi-mineral mesoscopic numerical models of variousWhen a piece of sandstone is crushed by the tooth of a hob rolling at a constant speed, the resultantreaction forces of the sandstone on the tooth first hinder and then contribute to the rolling of theBecause the tooth was subjected to reaction forces from the sandstone, forces and moments were applied

Keywords： sandstone     tooth hob     crushing process     reaction force     numerical simulation    

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Coordinated shift control of nonsynchronizer transmission for electric vehicles based on dynamic tooth

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 887-900 doi: 10.1007/s11465-021-0653-3

Abstract: swiftness of gear shifting, this paper proposes a coordinated shift control method based on the dynamic toothspeed synchronization, angle synchronization is adopted to synchronize the SL quickly to the target tooth

Keywords： nonsynchronizer automated mechanical transmission (NSAMT)     planetary gear     coordinated shift control     dynamic tooth    

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Experimental investigation of fatigue behavior of spur gear in altered tooth-sum gearing

H. K. SACHIDANANDA, Joseph GONSALVIS, H. R. PRAKASH

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 268-278 doi: 10.1007/s11465-012-0331-6

Abstract:

This paper deals with the contact stress, power loss, and pitting of spur gear tooth in altered tooth-sumgearing for a tooth-sum of 100 teeth when altered by±4% tooth-sum.against the standard tooth-sum gearing.The tooth loads for the experimental investigations were determined considering the surface durabilityThe negative alteration in the tooth-sum performed better than the positive alteration in a tooth-sum

Keywords： spur gear     power recirculating test rig     altered tooth-sum gearing     scanning electron microscopy (SEM)    

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Multi-objective optimization of surface texture for the slipperswash plate interface in EHA pumps

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0704-4

Abstract: multi-objective optimization model to obtain the arbitrarily surface textures design of the slipper/swash plateimprovement in mechanical and volumetric efficiency by 1.4% and 0.8%, respectively, with the textured swash plate

Keywords： electro-hydrostatic actuator     axial piston pump     slipper/swash plate interface     multi-objective optimization    

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Model Tests and Comparative Study of the Pylon's Anchorage Zone of Two Long-span Cablae-stayed Bridges

Liu Zhao,Meng Shaoping,Lü Zhitao

Strategic Study of CAE 2003, Volume 5, Issue 12,   Pages 48-54

Abstract:

Two model tests for pylon´s anchorage zone of two long-span cable-stayed bridges, the SecondThe optimal configuration of prestress tendons in anchorage zone, and the emulation effects of segment

Keywords： cable-stayed bridge     pylon     model test     design research    

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Applying the multi-zone model in predicting the operating range of HCCI engines

Ming JIA, Maozhao XIE, Zhijun PENG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 414-423 doi: 10.1007/s11708-010-0108-8

Abstract: In this paper, a multi-zone model is developed to predict the operating range of homogeneous charge compression

Keywords： homogeneous charge compression ignition (HCCI) engine     multi-zone     operating range    

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Research on the depth effect of caisson foundation south anchorage of Taizhou Bridge

Pan Hui,Shao Guojian and Hu Feng

Strategic Study of CAE 2012, Volume 14, Issue 5,   Pages 62-65

Abstract:

The foundation of the gravity anchorage is usually simplified as shallowBecause the embedded depth of caisson foundation south anchorage of Taizhou Bridge is 42 m, FEM(finiteIt is clear that the depth effect improves the bearing capacity of anchorage foundation dramaticallyby comparing the variation of the displacement and the rotation angle of the anchorage foundation in

Keywords： gravity anchorage     caisson foundation     depth effect     FEM    

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Initial stiffness and moment resistance of reinforced joint with end-plate connection

Sufang WANG, Yiyi CHEN,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 345-351 doi: 10.1007/s11709-009-0054-x

Abstract: In beam-to-column joint with bolted end-plate connection, the structural details of column flange reinforcedby backing plate and column web panel reinforced by supplementary plate are analyzed.The design moment resistance of column flange reinforced by backing plate is deduced based on yield line

Keywords： steel structure     end-plate connection     backing plate     supplementary web plate     initial stiffness     moment resistance    

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On the improvement design of dynamic characteristics for the roller follower of a variable-speed plate

Hui Ching FAN, Hong Sen YAN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 5-15 doi: 10.1007/s11465-012-0310-y

Abstract: Then the motion characteristics between the plate cam and its roller follower are derived.

Keywords： cam mechanism     variable input speed     kinematic design     dynamic design     optimal design    

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Frequencies of circular plate with concentric ring and elastic edge support

Lokavarapu Bhaskara RAO,Chellapilla Kameswara RAO

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 168-176 doi: 10.1007/s11465-014-0299-5

Abstract: Values of frequency parameter for the considered circular plate are computed for different sets of valuesThe results for the first three modes of plate vibrations are computed and are presented in tabular form

Keywords： circular plate     frequency     elastic edge     rigid ring     mode switching    

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Primary cilia in hard tissue development and diseases

Frontiers of Medicine 2021, Volume 15, Issue 5,   Pages 657-678 doi: 10.1007/s11684-021-0829-6

Abstract: Bone and teeth are hard tissues. Hard tissue diseases have a serious effect on human survival and quality of life. Primary cilia are protrusions on the surfaces of cells. As antennas, they are distributed on the membrane surfaces of almost all mammalian cell types and participate in the development of organs and the maintenance of homeostasis. Mutations in cilium-related genes result in a variety of developmental and even lethal diseases. Patients with multiple ciliary gene mutations present overt changes in the skeletal system, suggesting that primary cilia are involved in hard tissue development and reconstruction. Furthermore, primary cilia act as sensors of external stimuli and regulate bone homeostasis. Specifically, substances are trafficked through primary cilia by intraflagellar transport, which affects key signaling pathways during hard tissue development. In this review, we summarize the roles of primary cilia in long bone development and remodeling from two perspectives: primary cilia signaling and sensory mechanisms. In addition, the cilium-related diseases of hard tissue and the manifestations of mutant cilia in the skeleton and teeth are described. We believe that all the findings will help with the intervention and treatment of related hard tissue genetic diseases.

Keywords： primary cilia     bone     mechanical sensing     hard tissue     cilium-related bone disease     tooth    

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Linear ultrasonic motor using quadrate plate transducer

Jiamei JIN, Chunsheng ZHAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 88-91 doi: 10.1007/s11465-009-0016-y

Abstract: A linear ultrasonic motor using a quadrate plate transducer was developed for precision positioning.

Keywords： ultrasonic motor     quadrate plate     coincident frequency     alternant contact    

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Progressive failure analysis of notched composite plate by utilizing macro mechanics approach

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 623-642 doi: 10.1007/s11709-021-0726-8

Abstract: In this study, gradual and sudden reduction methods were combined to simulate a progressive failure in notched composite plates using a macro mechanics approach. Using the presented method, a progressive failure is simulated based on a linear softening law prior to a catastrophic failure, and thereafter, sudden reduction methods are employed for modeling a progressive failure. This combination method significantly reduces the computational cost and is also capable of simultaneously predicting the first and last ply failures (LPFs) in composite plates. The proposed method is intended to predict the first ply failure (FPF), LPF, and dominant failure modes of carbon/epoxy and glass/epoxy notched composite plates. In addition, the effects of mechanical properties and different stacking sequences on the propagation of damage in notched composite plates were studied. The results of the presented method were compared with experimental data previously reported in the literature. By comparing the numerical and experimental data, it is revealed that the proposed method can accurately simulate the failure propagation in notched composite plates at a low computational cost.

Keywords： progressive failure     notched composite plate     Hashin failure criterion     macro mechanics approach     finite    

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Comprehensive comparison of small-scale natural gas liquefaction processes using brazed plate heat exchangers

Jitan WU, Yonglin JU

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 683-698 doi: 10.1007/s11708-020-0705-0

Abstract: The brazed plate heat exchanger (BPHE) has some advantages over the plate-fin heat exchanger (PFHE) when

Keywords： liquefied natural gas     brazed plate heat exchanger     energy consumption     economic performance     robustness    

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Title Author Date Type Operation

The new design method of the reinforcing bars in the prestressed anchorage plates

Zhang Xiangqun,Lin Bo,Liu Zhao

Journal Article

Numerically investigating the crushing of sandstone by a tooth hob

Journal Article

Coordinated shift control of nonsynchronizer transmission for electric vehicles based on dynamic tooth

Journal Article

Experimental investigation of fatigue behavior of spur gear in altered tooth-sum gearing

H. K. SACHIDANANDA, Joseph GONSALVIS, H. R. PRAKASH

Journal Article

Multi-objective optimization of surface texture for the slipperswash plate interface in EHA pumps

Journal Article

Model Tests and Comparative Study of the Pylon's Anchorage Zone of Two Long-span Cablae-stayed Bridges

Liu Zhao,Meng Shaoping,Lü Zhitao

Journal Article

Applying the multi-zone model in predicting the operating range of HCCI engines

Ming JIA, Maozhao XIE, Zhijun PENG,

Journal Article

Research on the depth effect of caisson foundation south anchorage of Taizhou Bridge

Pan Hui,Shao Guojian and Hu Feng

Journal Article

Initial stiffness and moment resistance of reinforced joint with end-plate connection

Sufang WANG, Yiyi CHEN,

Journal Article

On the improvement design of dynamic characteristics for the roller follower of a variable-speed plate

Hui Ching FAN, Hong Sen YAN

Journal Article

Frequencies of circular plate with concentric ring and elastic edge support

Lokavarapu Bhaskara RAO,Chellapilla Kameswara RAO

Journal Article

Primary cilia in hard tissue development and diseases

Journal Article

Linear ultrasonic motor using quadrate plate transducer

Jiamei JIN, Chunsheng ZHAO

Journal Article

Progressive failure analysis of notched composite plate by utilizing macro mechanics approach

Journal Article

Comprehensive comparison of small-scale natural gas liquefaction processes using brazed plate heat exchangers

Jitan WU, Yonglin JU

Journal Article