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Stochastic extra-gradient based alternating direction methods for graph-guided regularizedminimization None

Qiang LAN, Lin-bo QIAO, Yi-jie WANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 6,   Pages 755-762 doi: 10.1631/FITEE.1601771

Abstract: In this study, we propose and compare stochastic variants of the extra-gradient alternating directionmethod, named the stochastic extra-gradient alternating direction method with Lagrangian function (SEGL) and the stochastic extra-gradient alternating direction method with augmented Lagrangian function (

Keywords： Stochastic optimization     Graph-guided minimization     Extra-gradient method     Fused logistic regression     Graph-guided    

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A three-dimensional two-level gradient smoothing meshfree method for rainfall induced landslide simulations

Dongdong WANG, Jiarui WANG, Junchao WU, Junjun DENG, Ming SUN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 337-352 doi: 10.1007/s11709-018-0467-5

Abstract: A three-dimensional two-level gradient smoothing meshfree method is presented for rainfall induced landslideIt is shown that due to the successive gradient smoothing operation without the requirement of derivativecomputation in the present formulation, the two-level smoothed gradient of meshfree shape function iscapable of achieving a given influence domain more efficiently than the standard gradient of meshfreeThe effectiveness of the present three-dimensional two-level gradient smoothing meshfree method is demonstrated

Keywords： meshfree method     landslide     rainfall     three-dimensional two-level gradient smoothing     nodal integration    

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Velocity gradient elasticity for nonlinear vibration of carbon nanotube resonators

Hamid M. SEDIGHI, Hassen M. OUAKAD

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1520-1530 doi: 10.1007/s11709-020-0672-x

Abstract: undertake two models to capture the nanostructure nonlocal size effects: the strain and the velocity gradientWe use a reduced-order model based on the differential quadrature method (DQM) to discretize the governingThe structural nonlinear behavior of the system assuming both strain and velocity gradient theories is

Keywords： velocity gradient elasticity theory     nanotube resonators     differential-quadrature method     nonlinear vibration    

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Survey on Extraction Methods of Transition Region

Liu Suolan,Yang Jingyu

Strategic Study of CAE 2007, Volume 9, Issue 9,   Pages 89-96

Abstract:  Two kinds of methods have been introduced: methods based on gradient and methods based on non-gradient

Keywords： transition region     extraction     image segmentation     gradient method     non-gradient method    

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Stability analysis and optimization of excavation method of double-arch tunnel with an extra-large span

Yiguo XUE, Huimin GONG, Fanmeng KONG, Weimin YANG, Daohong QIU, Binghua ZHOU

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 136-146 doi: 10.1007/s11709-020-0710-8

Abstract: necessary to select a construction approach that is suitable for double-arch tunnel projects with an extra-largeIn this study, three construction methods for double-arch tunnels with extra-large spans were numericallyThe results showed that the double-side-drift method with temporary vertical support achieves betterserve as the initial guidelines for the construction of ultra-shallowly buried double-arch tunnels with extra-large

Keywords： double-arch tunnel     triple-layer composite liner system     numerical modeling     stress analysis     settlement    

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prediction and optimization design of sustainable concrete based on squirrel search algorithm-extreme gradient

Frontiers of Structural and Civil Engineering   Pages 1310-1325 doi: 10.1007/s11709-023-0997-3

Abstract: traditional compressive strength test, this study combines five novel metaheuristic algorithms with extreme gradientThe results indicated that the squirrel search algorithm-extreme gradient boosting (SSA-XGB) yielded

Keywords： sustainable concrete     fly ash     slay     extreme gradient boosting technique     squirrel search algorithm    

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Management and operation of extra-large Fangcang hospitals: experience and lessons from containing the

Frontiers of Medicine 2023, Volume 17, Issue 1,   Pages 165-171 doi: 10.1007/s11684-022-0961-y

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Vibration analysis of nano-structure multilayered graphene sheets using modified strain gradient theory

Amir ALLAHBAKHSHI,Masih ALLAHBAKHSHI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 187-197 doi: 10.1007/s11465-015-0339-9

Abstract:

In this paper, for the first time, the modified strain gradient theory is used as a new size-dependentAfter obtaining the governing equations based on modified strain gradient theory via principle of minimum

Keywords： graphene     van der Waals (vdW) force     modi- fied strain gradient elasticity theory     size effect parameter    

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Demonstration project of safe and efficient mining operations in extra-thick coal seam

Jinhui WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 1,   Pages 110-110 doi: 10.15302/J-FEM-2016063

Abstract:
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Development of an axial-type fan with an optimization method

Chong-hyun CHO, Soo-yong CHO, Chaesil KIM,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 414-422 doi: 10.1007/s11708-009-0038-5

Abstract: ;Pa with a flowrate of 416.6m/min is developed using an optimization technique based on the gradientmethod.optimization of the fan blade, a three-dimensional axial-type fan blade is designed based on the free-vortex methodThrough these procedures, an initial axial-fan blade designed by the free vortex method is modified toThe experimental and numerical tests show that this optimization method can improve the efficiency and

Keywords： axial-type fan     gradient method     free-vortex method     design variable     total pressure     static pressure     operating    

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Efficiency measurement for mixed two-stage nonhomogeneous network processes with shared extra intermediate

Qingxian AN, Xuyang LIU, Shijie DING

Frontiers of Engineering Management 2020, Volume 7, Issue 2,   Pages 259-274 doi: 10.1007/s42524-019-0080-x

Abstract: This method aims to reasonably define the allocation portion of shared extra intermediate resources among

Keywords： shared resource allocation     mixed two-stage system     data envelopment analysis     efficiency    

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The Mathematics Model and Matrix Method of Complex Cocurrent Multi-Effect Evaporation

Ruan Qi,Chen Wenbo,Huang Shihuang,Ye Changshen

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 36-41

Abstract:

The model of complex cocurrent multi-effect evaporation with condensed water flash and extra vaporA new algorithm (iteration method combining with matrix method) is presented.new algorithm is which increases the convergent speed and stability, more efficient than the Newton methodand Broyden method.With condensed water flash and preheating cane sugar solution from 26.7 to 90℃ by elicitation extra vapor

Keywords： condensed water flash     extra vapor elicitation     cocurrent     multi-effect evaporation     mathematics model     matrixmethod    

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Approximate calculation method of main cables PPWS construction traction force for extralarge span suspension

Wang Jun and Lin Fan

Strategic Study of CAE 2012, Volume 14, Issue 5,   Pages 37-40

Abstract: continuous pylon passing in the construction of main cables with PPWS(prefabricated parrel wire strand) methodfor an extra-large span suspension bridge.In this article, exploration was made for the traction force calculation method of the gantry pulling

Keywords： suspension bridge     main cable     PPWS     wire strand     traction force    

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Predicting shear strength of slender beams without reinforcement using hybrid gradient boosting trees

Thuy-Anh NGUYEN; Hai-Bang LY; Van Quan TRAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1267-1286 doi: 10.1007/s11709-022-0842-0

Abstract: Gradient Boosting (GB) technique was developed and evaluated in combination with three different optimization

Keywords： slender beam     shear strength     gradient boosting     optimization algorithms    

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Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 3,   Pages 227-237 doi: 10.1631/FITEE.1400217

Abstract: We present a novel image fusion scheme based on gradient and scrambled block Hadamard ensemble (SBHE)In the fusion phase, the image gradient is calculated to reflect the abundance of its contour informationBy compositing the gradient of each image, gradient-based weights are obtained, with which compressiveSimulation results demonstrate that the gradient-based scheme has the best performance, in terms of bothFurthermore, the gradient-based fusion scheme proposed in this paper can be applied in different fusion

Keywords： Compressive sensing (CS)     Image fusion     Gradient-based image fusion     CS-based image fusion    

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Title Author Date Type Operation

Stochastic extra-gradient based alternating direction methods for graph-guided regularizedminimization

Qiang LAN, Lin-bo QIAO, Yi-jie WANG

Journal Article

A three-dimensional two-level gradient smoothing meshfree method for rainfall induced landslide simulations

Dongdong WANG, Jiarui WANG, Junchao WU, Junjun DENG, Ming SUN

Journal Article

Velocity gradient elasticity for nonlinear vibration of carbon nanotube resonators

Hamid M. SEDIGHI, Hassen M. OUAKAD

Journal Article

Survey on Extraction Methods of Transition Region

Liu Suolan,Yang Jingyu

Journal Article

Stability analysis and optimization of excavation method of double-arch tunnel with an extra-large span

Yiguo XUE, Huimin GONG, Fanmeng KONG, Weimin YANG, Daohong QIU, Binghua ZHOU

Journal Article

prediction and optimization design of sustainable concrete based on squirrel search algorithm-extreme gradient

Journal Article

Management and operation of extra-large Fangcang hospitals: experience and lessons from containing the

Journal Article

Vibration analysis of nano-structure multilayered graphene sheets using modified strain gradient theory

Amir ALLAHBAKHSHI,Masih ALLAHBAKHSHI

Journal Article

Demonstration project of safe and efficient mining operations in extra-thick coal seam

Jinhui WANG

Journal Article

Development of an axial-type fan with an optimization method

Chong-hyun CHO, Soo-yong CHO, Chaesil KIM,

Journal Article

Efficiency measurement for mixed two-stage nonhomogeneous network processes with shared extra intermediate

Qingxian AN, Xuyang LIU, Shijie DING

Journal Article

The Mathematics Model and Matrix Method of Complex Cocurrent Multi-Effect Evaporation

Ruan Qi,Chen Wenbo,Huang Shihuang,Ye Changshen

Journal Article

Approximate calculation method of main cables PPWS construction traction force for extralarge span suspension

Wang Jun and Lin Fan

Journal Article

Predicting shear strength of slender beams without reinforcement using hybrid gradient boosting trees

Thuy-Anh NGUYEN; Hai-Bang LY; Van Quan TRAN

Journal Article

Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Journal Article