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The origins of schedule management: the concepts used in planning, allocating, visualizing and managing time in a project

Lynda M. BOURNE, Patrick WEAVER

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 150-166 doi: 10.15302/J-FEM-2018012

Abstract: This paper traces the development of the concepts most project managers take for granted including bar

Keywords： time management     scheduling     CPM     PERT     Gantt     Critical Path     bar chart    

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DE based economic control chart design and application for a typical petrochemical process

Zhi LI, Feng QIAN, Wenli DU, Weimin ZHONG

Frontiers of Engineering Management 2017, Volume 4, Issue 3,   Pages 348-356 doi: 10.15302/J-FEM-2017043

Abstract: In this study, a new economic control chart design method based on the differential evolution (DE) algorithmThe DE algorithm transforms the economic control chart design problem to an optimization problem andThis method is useful in economic control chart design and can provide guidance for the petrochemical

Keywords： petrochemical     PTA     economic control chart design     process monitoring     DE algorithm    

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Ultrasonic measurement of tie-bar stress for die-casting machine

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0663-1

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Seismic behavior experimental study of frame joints with special-shaped column and dispersed steel bar

Shuchun LI, Bo DIAO, Youpo SU,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 378-383 doi: 10.1007/s11709-009-0064-8

Abstract: The seismic behaviors of the joints with different proportions of dispersed-steel-bar beams were analyzedTheoretical result indicates that distributing area of the dispersed steel-bar beams in the flange plate

Keywords： beam with dispersed steel bar     flame joints with special-shaped beam and column     seismic behavior     scale    

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Nonlinear dynamics and analysis of a four-bar linkage with clearance

Yuanguang TANG, Zongyu CHANG, Xiaogang DONG, Yafei HU, Zhenjiang YU

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 160-168 doi: 10.1007/s11465-013-0258-6

Abstract:

In this paper, nonlinear dynamic behavior of a four-bar linkage considering clearance is studied.

Keywords： four-bar linkage     chaos     bifurcation     strange attractors     dynamics    

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Distributed fiber optic monitoring of a CFA pile with a central reinforcement bar bundle

Yi RUI, Nicholas de BATTISTA, Cedric KECHAVARZI, Xiaomin XU, Mei YIN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 167-176 doi: 10.1007/s11709-020-0581-z

Abstract: technology to measure the strain of a continuous flight auger (CFA) test pile with a central reinforcement barThe effect of the reinforcement cage and central reinforcement bar bundle were investigated, and it was

Keywords： continuous flight auger pile     static load test     central reinforcement bar bundle     distributed fiber optic    

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Modeling of dynamic response of poroelastic soil layers under wave loading

Mehmet Bar?? Can üLKER

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 1-18 doi: 10.1007/s11709-014-0233-2

Abstract: In this paper, the dynamic response of saturated and layered soils under harmonic waves is modeled using the finite element method. The numerical results are then verified by corresponding analytical solutions which are also developed by the author. The equations governing the dynamics of porous media are written in their fully dynamic form and possible simplifications are introduced based on the presence of inertial terms associated with solid and fluid phases. The response variations are presented in terms of pore water pressure and shear stress distributions within the layers. It is determined that a set of non-dimensional parameters and their respective ratios as a result of layering play a major role in the dynamic response.

Keywords： dynamic response of soils     coupled flow-deformation     finite elements     analytical solution     harmonic waves    

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experimental study of mechanical properties on steel sheet glass fiber reinforced polymer composite bar

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 834-850 doi: 10.1007/s11709-021-0743-7

Abstract: The concept of steel sheet glass fiber reinforced polymer (GFRP) composite bar (SSGCB) was put forwardFurthermore, the yield state of SSGCB was similar to the steel bar, both of which indicated a multi-stage

Keywords： steel sheet GFRP composite bar     combination form     numerical modeling     mechanical properties test     strength    

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Experimental study on slender buckling-restrained knee braces with round steel bar cores

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 99-121 doi: 10.1007/s11709-022-0875-4

Abstract: The proposed BRKB adopts steel bar cores connected by a central coupler and restrained by tube bucklingrestrainer ends can be effectively suppressed because the more uniform plastic deformation of the core bar

Keywords： weld-free beam-to-column connections     moment-resisting frame     cyclic and compression loading tests     buckling-restrained knee brace     cover tube    

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Structural performance of a façade precast concrete sandwich panel enabled by a bar-type basalt fiber-reinforced

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 122-137 doi: 10.1007/s11709-022-0894-1

Abstract: In this study, a novel diagonally inserted bar-type basalt fiber reinforced polymer (BFRP) connectorAfter the test on the individual performance of the connector, five façade PCSP specimens with the bar-typeThe results obtained in this study primarily indicated that 1) the bar-type BFRP connector can achievea reliable anchorage system in concrete; 2) the bar-type BFRP connector can offer sufficient stiffness

Keywords： precast concrete sandwich panel     basalt fiber reinforced polymer     pull-out performance     shear performance     out-of-plane flexural performance    

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Simulation of Wave Propagation Over a Submerged Bar Using a Modified Boussinesq Equation

Zheng Yonghong,Shen Yongming,Wu Xiuguang,You Yage

Strategic Study of CAE 2004, Volume 6, Issue 4,   Pages 34-40

Abstract: The numerical model applied to the propagation of waves over a submerged bar can produce results thatThe surface transformation of waves over the submerged bar is reproduced successfully by the numerical

Keywords： modified Boussinesq equation     numerical simulation     wave propagation     submerged bar    

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Stable Reliability—Based Optimization Designof Compressive Bar

He Xiangdong,Zhang Yimin,Xue Yuchun,Wen Bangchun

Strategic Study of CAE 2007, Volume 9, Issue 5,   Pages 33-35

Abstract: and the optimization design method,  the stable reliability-based optimization of compressive barprogram can be used to obtain the stable reliability-based optimization information of compressive bar

Keywords： compressive bar     probabilistic perturbation method     stable reliability     optimization design    

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The Production Technology of Electronic Grade Polycrystalline Silicon

Liang Junwu

Strategic Study of CAE 2000, Volume 2, Issue 12,   Pages 34-39

Abstract:

The technology of construction of an electronic grade polycrystalline silicon plant with annual production of 1 000 tons is explored. The product qualities, safety, transportation, storage, useful deposition ratios, deposition rates, one pass conversions, deposition temperatures, electrical energy consumption and manufacturing costs are summarized for silane, dichlorosilane, trichlorosilane and tetrachlorosilane methods. The bell jar, fluidized bed and free-space polysilicon reactors for polysilicon deposition are compared with each other. In addition, the flow charts of polysilicon production are described. The trichlorosilane method of third generation using bell jar reactors is suitable for a plant with an annual production of 1 000 tons of electronic grade polysilicon.

Keywords： polysilicon     trichlorosilane method     silane method     flow chart     production    

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System-level Pareto frontiers for on-chip thermoelectric coolers

FISH, Zhi YANG, Nicholas BALDASARO, Philip BARLETTA, Avram BAR-COHEN, Bao YANG

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 109-120 doi: 10.1007/s11708-018-0540-8

Abstract: The continuous rise in heat dissipation of integrated circuits necessitates advanced thermal solutions to ensure system reliability and efficiency. Thermoelectric coolers are among the most promising techniques for dealing with localized on-chip hot spots. This study focuses on establishing a holistic optimization methodology for such thermoelectric coolers, in which a thermoelectric element’s thickness and the electrical current are optimized to minimize source temperature with respect to ambient, when the thermal and electrical parasitic effects are considered. It is found that when element thickness and electrical current are optimized for a given system architecture, a “heat flux vs. temperature difference” Pareto frontier curve is obtained, indicating that there is an optimum thickness and a corresponding optimum current that maximize the achievable temperature reduction while removing a particular heat flux. This methodology also provides the possible system level Δ ’s that can be achieved for a range of heat fluxes, defining the upper limits of thermoelectric cooling for that architecture. In this study, use was made of an extensive analytical model, which was verified using commercially available finite element analysis software. Through the optimization process, 3 pairs of master curves were generated, which were then used to compose the Pareto frontier for any given system architecture. Finally, a case study was performed to provide an in-depth demonstration of the optimization procedure for an example application.

Keywords： thermoelectric cooling     thermal management     optimization     high flux electronics    

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Statistical process control with intelligence using fuzzy ART neural networks

Min WANG, Tao ZAN, Renyuan FEI,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 149-156 doi: 10.1007/s11465-010-0008-y

Abstract: fuzzy ART neural network can also be utilized to adaptively detect the abnormal patterns in the control chart

Keywords： statistical process control (SPC)     fuzzy adaptive resonance theory (ART)     histogram     control chart     time    

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Title Author Date Type Operation

The origins of schedule management: the concepts used in planning, allocating, visualizing and managing time in a project

Lynda M. BOURNE, Patrick WEAVER

Journal Article

DE based economic control chart design and application for a typical petrochemical process

Zhi LI, Feng QIAN, Wenli DU, Weimin ZHONG

Journal Article

Ultrasonic measurement of tie-bar stress for die-casting machine

Journal Article

Seismic behavior experimental study of frame joints with special-shaped column and dispersed steel bar

Shuchun LI, Bo DIAO, Youpo SU,

Journal Article

Nonlinear dynamics and analysis of a four-bar linkage with clearance

Yuanguang TANG, Zongyu CHANG, Xiaogang DONG, Yafei HU, Zhenjiang YU

Journal Article

Distributed fiber optic monitoring of a CFA pile with a central reinforcement bar bundle

Yi RUI, Nicholas de BATTISTA, Cedric KECHAVARZI, Xiaomin XU, Mei YIN

Journal Article

Modeling of dynamic response of poroelastic soil layers under wave loading

Mehmet Bar?? Can üLKER

Journal Article

experimental study of mechanical properties on steel sheet glass fiber reinforced polymer composite bar

Journal Article

Experimental study on slender buckling-restrained knee braces with round steel bar cores

Journal Article

Structural performance of a façade precast concrete sandwich panel enabled by a bar-type basalt fiber-reinforced

Journal Article

Simulation of Wave Propagation Over a Submerged Bar Using a Modified Boussinesq Equation

Zheng Yonghong,Shen Yongming,Wu Xiuguang,You Yage

Journal Article

Stable Reliability—Based Optimization Designof Compressive Bar

He Xiangdong,Zhang Yimin,Xue Yuchun,Wen Bangchun

Journal Article

The Production Technology of Electronic Grade Polycrystalline Silicon

Liang Junwu

Journal Article

System-level Pareto frontiers for on-chip thermoelectric coolers

FISH, Zhi YANG, Nicholas BALDASARO, Philip BARLETTA, Avram BAR-COHEN, Bao YANG

Journal Article

Statistical process control with intelligence using fuzzy ART neural networks

Min WANG, Tao ZAN, Renyuan FEI,

Journal Article