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Experimental study on enhanced coupling of underground explosions by water-filled cavities

Wang Zhanjiang,Cai Zongyi,Zheng Xuefeng,Zhu Yurong

Strategic Study of CAE 2009, Volume 11, Issue 4,   Pages 46-49

Abstract: There is a cavity of 0.3 m in diameter at the center of the apparatus, the cavity can be filled withThe effect of cavity decoupling in water is not as good as in cement mortar.When the explosive source is detonated in a water-filled cavity, the stress wave coupled into cement

Keywords： underwater explosions     surrounding rocks enhanced coupling     cement mortar     stress waves     cavity decoupling    

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Effects of critical geometric parameters on the optical performance of a conical cavity receiver

Hu XIAO, Yanping ZHANG, Cong YOU, Chongzhe ZOU, Quentin FALCOZ

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 673-683 doi: 10.1007/s11708-019-0630-2

Abstract: , the commercial software TracePro was used to investigate the effects of some factors on a conical cavityaffect the optical efficiency, the maximum heat flux density, and the light distribution in the conical cavityTo make a reliable simulation, the helical tube was attached to the inner wall of the cavity in the proposedThe conical cavity receiver had an optimal optical performance when the focal point of the collector

Keywords： parabolic collector     conical cavity receiver     critical geometric parameters     optical performance    

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Novel interpretable mechanism of neural networks based on network decoupling method

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 572-581 doi: 10.1007/s42524-021-0169-x

Abstract: The lack of interpretability of the neural network algorithm has become the bottleneck of its wide application. We propose a general mathematical framework, which couples the complex structure of the system with the nonlinear activation function to explore the decoupled dimension reduction method of high-dimensional system and reveal the calculation mechanism of the neural network. We apply our framework to some network models and a real system of the whole neuron map of Caenorhabditis elegans. Result shows that a simple linear mapping relationship exists between network structure and network behavior in the neural network with high-dimensional and nonlinear characteristics. Our simulation and theoretical results fully demonstrate this interesting phenomenon. Our new interpretation mechanism provides not only the potential mathematical calculation principle of neural network but also an effective way to accurately match and predict human brain or animal activities, which can further expand and enrich the interpretable mechanism of artificial neural network in the future.

Keywords： neural networks     interpretability     dynamical behavior     network decouple    

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A bionic approach for the mechanical and electrical decoupling of an MEMS capacitive sensor in ultralow

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-023-0747-1

Abstract: In this work, a bionic swallow structure design norm was developed for mechanical decoupling, and theElectrostatic instability was evaluated, and electrostatic decoupling performance was verified on theBased on the proposed bionic decoupling method, the fabricated sensor exhibited overwhelming capacitive

Keywords： micro-electro-mechanical system capacitive sensor     bionics     operation instability     mechanical and electrical decoupling    

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Effect of cavity defect on the triaxial mechanical properties of high-performance concrete

Yanbin ZHANG; Zhe WANG; Mingyu FENG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 600-614 doi: 10.1007/s11709-022-0821-5

Abstract: The stress concentration of pipe structure or cavity defect has a great effect on the mechanical propertiesIn this experiment, the pressurized liquid can only contact the surface of the sample in the cavity,intact samples without a cavity.always secondary tensile fractures initiating from the cavity sidewall.in which the cavity size is added as an impact factor to predict the strength of the sample.

Keywords： high-performance concrete     cavity     conventional triaxial compression     pressurized liquid     modified power-law    

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Numerical simulation of the heat flux distribution in a solar cavity receiver

Yueshe WANG, Xunwei DONG, Jinjia WEI, Hui JIN

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 98-103 doi: 10.1007/s11708-010-0019-8

Abstract: In the design of the receiver, the heat flux distribution in the cavity should be considered first.numerical simulation using the Monte Carlo Method has been conducted on the heat flux distribution in the cavityBy tracing every solar ray, the distribution of heat flux density in the cavity receiver was obtainedThese results provide necessary data for the structure design of cavity receiver and the local thermal

Keywords： solar cavity receiver     Monte Carlo method     heat flux distribution    

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A novel decoupling approach to an integrated optical-fiber proximity sensor for robots

LIU Guixiong, LI Xiani

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 164-167 doi: 10.1007/s11465-007-0027-5

Abstract: The corresponding decoupling approach to the sensor is presented on the basis of multiscale characteristicsThe decoupling process can be divided into two parts: classifying the information on the basis of the

Keywords： multiscale     different     self-compensational integrated     information     implementation    

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Decomposition and decoupling analysis of electricity consumption carbon emissions in China

Frontiers of Engineering Management   Pages 486-498 doi: 10.1007/s42524-022-0215-3

Abstract: We use the decomposition and decoupling technology of logarithmic mean Divisia index method to quantifyMoreover, we utilize the decoupling model to analyze the decoupling state between carbon emissions and

Keywords： electricity consumption carbon emission measurement     LMDI model     decoupling model     data driven    

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―Summary of investigations on rotating cavity at IDG, RWTH Aachen University

Dieter BOHN, Jing REN,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 489-497 doi: 10.1007/s11708-009-0040-y

Abstract: of Steam and Gas Turbines, RWTH Aachen University, to analyze the flow structure inside the rotating cavitythe experimental and numerical results show that the whole flow structure rotating slower than the cavityIt is suggested that the vortices inside the cavity are created by the gravitational buoyancy force in

Keywords： rotating cavity     buoyancy     unsteady flow    

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Geometric optimization model for the solar cavity receiver with helical pipe at different solar radiation

Chongzhe ZOU, Huayi FENG, Yanping ZHANG, Quentin FALCOZ, Cheng ZHANG, Wei GAO

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 284-295 doi: 10.1007/s11708-019-0613-3

Abstract: geometric parameters, several researches have already optimized the thermal efficiency of the cylindrical cavityThis study constructed a 3-D numerical model of cylindrical cavity receiver with DNI variation.In the model of a cylindrical cavity receiver containing a helical pipe, the heat losses of the cavity400 W/m to 800 W/m , there exists a best design for achieving a highest thermal efficiency of the cavity

Keywords： cylindrical cavity receiver     3-D numerical simulation     geometric optimization     direct normal irradiation    

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Joint user association and resource partition for downlink-uplink decoupling inmulti-tierHetNets Article

Zhi-yong FENG, Ze-bing FENG, T. Aaron GULLIVER

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 6,   Pages 817-829 doi: 10.1631/FITEE.1700031

Abstract: In this paper, a joint user association and resource partition framework for downlink-uplink decoupling

Keywords： Downlink-uplink decoupling     User association     Resource partition     Heterogeneous cellular network     Coalition    

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Knowledge-Based Variable Structure Decoupling Control of a Nonlinear Multivariable System

Tu Chengyuan,Zeng Yanjun

Strategic Study of CAE 2001, Volume 3, Issue 10,   Pages 48-52

Abstract:

A knowledge-based variable-structure decoupling is developed, and be utilized to control a nonlinearmodel-establishing process, especially avoid large amount of complex matrix operations required for the conventional decoupling

Keywords： nonlinear multivariable system     decoupling control     knowledge based variable structure decoupling    

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Influence of boundary conditions and turntable speeds on the stability of hydrostatic oil cavity

Zhaomiao LIU, Chengyin ZHANG, Feng SHEN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 359-368 doi: 10.1007/s11465-011-0222-2

Abstract:

The flow, bearing, and carrying capacity of the cycloidal hydrostatic oil cavity in hydrostatic turntableHowever, the increase in inlet speed, depth, and inlet radius of the oil cavity causes the vortex effectto increase and the stability of oil cavity to reduce.With the increase in the oil film thickness, the carrying capacity of the oil cavity diminishes.With the increase in turntable speed, the location and size of the vortex scope in the oil cavity flow

Keywords： hydrostatic oil cavity     flow state     oil cavity pressure     stability     vortex    

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Decoupling methods of MIMO antenna arrays for 5G applications: a review Review Articles

Xiao-xi ZHANG, Ai-di REN, Ying LIU

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 62-71 doi: 10.1631/FITEE.1900466

Abstract: To achieve an acceptable isolation level, many decoupling methods have been developed.We review the most recent research on decoupling methods, including the employment of external decoupling

Keywords： MIMO array     5G smartphone     Decoupling methods    

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The energesis and depressurization technology of filling solution cavity of high pressure and rich water

Zhang Mei,Zhang Minqing,Zhu Pengfei,Huang Hongjian

Strategic Study of CAE 2009, Volume 11, Issue 12,   Pages 13-19

Abstract:

Filling solution cavity of high pressure and rich water have the characteristicstechnology, adopting the energesis and depressurization technology is advanced to father filling solution cavitydepressurization technology is adopting arranged and purposeful cccurate–blasting to open out solution cavity;s influence by water pressure during the process of construction and to finish farthering solution cavity

Keywords： filling solution cavity of high pressure and rich water     the energesis and depressurization technology    

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Title Author Date Type Operation

Experimental study on enhanced coupling of underground explosions by water-filled cavities

Wang Zhanjiang,Cai Zongyi,Zheng Xuefeng,Zhu Yurong

Journal Article

Effects of critical geometric parameters on the optical performance of a conical cavity receiver

Hu XIAO, Yanping ZHANG, Cong YOU, Chongzhe ZOU, Quentin FALCOZ

Journal Article

Novel interpretable mechanism of neural networks based on network decoupling method

Journal Article

A bionic approach for the mechanical and electrical decoupling of an MEMS capacitive sensor in ultralow

Journal Article

Effect of cavity defect on the triaxial mechanical properties of high-performance concrete

Yanbin ZHANG; Zhe WANG; Mingyu FENG

Journal Article

Numerical simulation of the heat flux distribution in a solar cavity receiver

Yueshe WANG, Xunwei DONG, Jinjia WEI, Hui JIN

Journal Article

A novel decoupling approach to an integrated optical-fiber proximity sensor for robots

LIU Guixiong, LI Xiani

Journal Article

Decomposition and decoupling analysis of electricity consumption carbon emissions in China

Journal Article

―Summary of investigations on rotating cavity at IDG, RWTH Aachen University

Dieter BOHN, Jing REN,

Journal Article

Geometric optimization model for the solar cavity receiver with helical pipe at different solar radiation

Chongzhe ZOU, Huayi FENG, Yanping ZHANG, Quentin FALCOZ, Cheng ZHANG, Wei GAO

Journal Article

Joint user association and resource partition for downlink-uplink decoupling inmulti-tierHetNets

Zhi-yong FENG, Ze-bing FENG, T. Aaron GULLIVER

Journal Article

Knowledge-Based Variable Structure Decoupling Control of a Nonlinear Multivariable System

Tu Chengyuan,Zeng Yanjun

Journal Article

Influence of boundary conditions and turntable speeds on the stability of hydrostatic oil cavity

Zhaomiao LIU, Chengyin ZHANG, Feng SHEN

Journal Article

Decoupling methods of MIMO antenna arrays for 5G applications: a review

Xiao-xi ZHANG, Ai-di REN, Ying LIU

Journal Article

The energesis and depressurization technology of filling solution cavity of high pressure and rich water

Zhang Mei,Zhang Minqing,Zhu Pengfei,Huang Hongjian

Journal Article