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Significant progress in solution of nonlinear equations at displacement of structure and heat transfer extended surface by new AGM approach

M. R. AKBARI,D. D. GANJI,M. NIMAFAR,A. R. AHMADI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 4,   Pages 390-401 doi: 10.1007/s11465-014-0313-y

Abstract: equations: 1) Static analysis of the structure with variable cross section areas and materials with slope-deflectionmethod; 2) the problem of one dimensional heat transfer with a logarithmic various surface A(x)generation G(x) with a simple and innovative approach entitled “Akbari-Ganji’s methodComparisons are made between AGM and numerical method, the results of which reveal that this method isBrief excellences of this method compared to other approaches are as follows: 1) Differential equations

Keywords： AGM     extended surface     heat transfer     slope-deflection method    

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Illuminating the new method process of slope stability analysis by soil stress state

Wang Guoti,Wang Wandi

Strategic Study of CAE 2010, Volume 12, Issue 1,   Pages 52-55

Abstract:

According to the soil stress state and calculation method of slope stabilityAs the calculation formula of slope stability coefficient's theory analysis is rigorous, and the

Keywords： slope stability analysis method     stress state     slope stability coefficient    

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Stability and deformation analysis of high slope for tank type of bunker at Donglutian coal mine

Jiang Haibo,Gong Shoucai,Liu Qingxue

Strategic Study of CAE 2012, Volume 14, Issue 2,   Pages 107-112

Abstract: In this paper, the stability calculation and deformation analysis of excavation slope under differentconditions are made, using the limit equilibrium method and the finite element method.The results indicate that the slope support requirements can not be met before reinforcement, and theReinforcement was applied in the slope, by method of composite soil nail wall and bored piles+entry cupportingdeformation are satisfied with operational requirement, and the layout of reinforcement is suitable for the slope

Keywords： tank type of bunker     slope     limit equilibrium method     finite element method (FEM)     stability     deformation    

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Slope stability analysis based on a multigrid method using a nonlinear 3D finite element model

Yaoru LIU, Zhu HE, Bo LI, Qiang YANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 24-31 doi: 10.1007/s11709-013-0190-1

Abstract: The rigid-body limit equilibrium method cannot reflect the actual stress distribution in a rock mass,To address these problems, a multi-grid method was adopted in this study to establish a structural gridfor finite element computation and a slip surface grid for computing slope stability safety factors.accuracy of the computation results and was then applied to analysis of the stability of the Jinping high slopethat the slope stability safety factors determined using finite element analysis were greater than those

Keywords： slope     stability     multi-grid method     nonlinear     finite element method    

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Improved prediction of pile bending moment and deflection due to adjacent braced excavation

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0961-2

Abstract: This study develops equations to predict the existing pile bending moment and deflection produced bypractically unfeasible to obtain measurement data; hence, artificial data for the bending moment and deflectionwell-calibrated numerical analyses of hypothetical cases, using the three-dimensional finite element methodThe estimation results of the developed equations can provide satisfactory pile bending moment and deflection

Keywords： pile responses     excavation     prediction     deflection     bending moments    

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The Complex Method Based on Maximum Entropy Principle and Its Application to the Slope Stability Analysis

Li Liang,Chi Shichun,Lin Gao

Strategic Study of CAE 2005, Volume 7, Issue 4,   Pages 64-68

Abstract:

Maximum entropy principle is imported into the basic complex method in order to improve the ratioThe method iterates until the information of the complex is utilized thoroughly thereby proposing a newcomplex method.The basic complex method and the complex method based on maximum entropy principle are used to locatebased on maximum entropy principle to find global optimum is stronger than that of the basic complex method

Keywords： entropy     complex method     slope stability     factor of safety    

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Geotechnical forensic investigation of a slope failure on silty clay soil—A case study

Mohammad Abubakar NAVEED, Zulfiqar ALI, Abdul QADIR, Umar Naveed LATIF, Saad HAMID, Umar SARWAR

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 501-517 doi: 10.1007/s11709-020-0610-y

Abstract: The collapse of the wall was attributed to the failure of the retained slope.This research was undertaken to characterize the slope material, study causal factors of failure andAlso, X-ray Diffraction and Scanning Electron Microscopy was used to study the slope material at a molecular

Keywords： forensic geotechnical investigation     slope failure     slope analysis     finite element method     numerical analysis    

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Stability analysis of a high loess slope reinforced by the combination system of soil nails and stabilization

Jiu-jiang WU,Qian-gong CHENG,Xin LIANG,Jian-Lei CAO

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 252-259 doi: 10.1007/s11709-014-0260-z

Abstract: By utilizing the finite element software of PLAXIS 8.5, the behavior of a high loess slope reinforcedIt can be found that the potential slide surface of the slope moves to deeper locations during the processThe measure of reducing the weight of the top of the slope is a positive factor to the stability of theloess slope, while the rainfall is a negative factor.Compared to the results from the Sweden circular slip surface, the data derived from the method of phi

Keywords： high loess slope     CSNSP     PLAXIS     phi/c strength reduction method     Sweden circular slip surface    

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Modeling of large-deflection links for compliant mechanisms

Zhonglei FENG, Yueqing YU, Wenjing WANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 294-301 doi: 10.1007/s11465-010-0019-8

Abstract: the tip locus of flexible links for compliant mechanisms on the basis of a parametric approximation methodIn this study, a new approach of a two-DOF PRBM is proposed to simulate both the tip locus and tip deflectionangle of large-deflection links for compliant mechanisms on the basis of the angular deflection approximation

Keywords： compliant mechanism     pseudo-rigid-body model (PRBM)     large-deflection link     angular deflection approximation    

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New nonlinear stiffness actuator with predefined torque‒deflection profile

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0721-3

Abstract: springs and especially designed cams, which could perform a predefined relationship between torque and deflectionAn analytical methodology that maps the predefined relationship between torque and deflection to theSimulations of different torque‒deflection profiles were carried out to verify the accuracy and applicabilityof performing predefined torque‒deflection profiles.Three kinds of prototype experiments, including verification experiment of the predefined torque‒deflection

Keywords： compliant actuator     nonlinear stiffness actuator     nonlinear spring     predefined torque−deflection profile    

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Thermal deflection analysis of the solidified shell in continuous casting of slab

LIU Hongzhao, WANG Zhongmin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 175-179 doi: 10.1007/s11465-007-0029-3

Abstract: reciprocal theorem of work or Betti-Maxwell s reciprocal theorem and the superposition principle, the deflectionThe meaning of each term in the deflection expression obtained by the reciprocal theorem of work is explained

Keywords： s reciprocal     loading     deflection expression     reciprocal     opposite    

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Slope stability analysis based on big data and convolutional neural network

Yangpan FU; Mansheng LIN; You ZHANG; Gongfa CHEN; Yongjian LIU

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 882-895 doi: 10.1007/s11709-022-0859-4

Abstract: The Limit Equilibrium Method (LEM) is commonly used in traditional slope stability analyses, but it isIt is difficult to get enough slope data samples in practical engineering.This study proposes a slope database generation method based on the LEM.The results show that the slope stability prediction method based on the CNN does not need complex calculationsamples for the CNN, which improves the prediction speed and practicability of the CNN-based evaluation method

Keywords： slope stability     limit equilibrium method     convolutional neural network     database for slopes     big data    

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Instantaneous deflection of light-weight concrete slabs

Behnam VAKHSHOURI, Shami NEJADI

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 412-423 doi: 10.1007/s11709-017-0416-8

Abstract: moment together with the influences of ultimate moment capacity and service moment on the instantaneous deflectionmodels in the literature shows considerable differences between the recorded and estimated instantaneous deflectionanalysis of the effective parameters, a new equation is proposed and verified to predict the instantaneous deflection

Keywords： instantaneous deflection     light-weight concrete     expanded polystyrene     effective moment of inertia     cracking    

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New pseudo-dynamic analysis of two-layered cohesive-friction soil slope and its numerical validation

Suman HAZARI, Sima GHOSH, Richi Prasad SHARMA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1492-1508 doi: 10.1007/s11709-020-0679-3

Abstract: In this study, the limit equilibrium modified pseudo-dynamic method is used to analyze the stabilityNew formulations derived from an analytical method are proposed for the predicting the seismic responseThe results of the present method were compared with those in the available literature.

Keywords： layered soil     limit equilibrium method     seismic analysis     damping     PLAXIS    

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Bioengineering protection mechanism of city rock slope and its laboratory test

Desong JIANG, Minghua ZHAO, Chong JIANG,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 414-421 doi: 10.1007/s11709-009-0055-9

Abstract: Based on the features of rock slope bioengineering protection, the ecology protection mechanism of theurban rock slope was discussed with the mechanics effect of plants and rock slope, and the reinforcementaction mechanism of rock slope by plant root system was analyzed as well.Finally, the present method was applied in an engineering project, from which the antiwashing behaviorThe antiwashing capability per unit area has a critical slope angle of about 25°.

Keywords： indoor     engineering project     protection mechanism     different     runoff lagging    

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Title Author Date Type Operation

Significant progress in solution of nonlinear equations at displacement of structure and heat transfer extended surface by new AGM approach

M. R. AKBARI,D. D. GANJI,M. NIMAFAR,A. R. AHMADI

Journal Article

Illuminating the new method process of slope stability analysis by soil stress state

Wang Guoti,Wang Wandi

Journal Article

Stability and deformation analysis of high slope for tank type of bunker at Donglutian coal mine

Jiang Haibo,Gong Shoucai,Liu Qingxue

Journal Article

Slope stability analysis based on a multigrid method using a nonlinear 3D finite element model

Yaoru LIU, Zhu HE, Bo LI, Qiang YANG

Journal Article

Improved prediction of pile bending moment and deflection due to adjacent braced excavation

Journal Article

The Complex Method Based on Maximum Entropy Principle and Its Application to the Slope Stability Analysis

Li Liang,Chi Shichun,Lin Gao

Journal Article

Geotechnical forensic investigation of a slope failure on silty clay soil—A case study

Mohammad Abubakar NAVEED, Zulfiqar ALI, Abdul QADIR, Umar Naveed LATIF, Saad HAMID, Umar SARWAR

Journal Article

Stability analysis of a high loess slope reinforced by the combination system of soil nails and stabilization

Jiu-jiang WU,Qian-gong CHENG,Xin LIANG,Jian-Lei CAO

Journal Article

Modeling of large-deflection links for compliant mechanisms

Zhonglei FENG, Yueqing YU, Wenjing WANG,

Journal Article

New nonlinear stiffness actuator with predefined torque‒deflection profile

Journal Article

Thermal deflection analysis of the solidified shell in continuous casting of slab

LIU Hongzhao, WANG Zhongmin

Journal Article

Slope stability analysis based on big data and convolutional neural network

Yangpan FU; Mansheng LIN; You ZHANG; Gongfa CHEN; Yongjian LIU

Journal Article

Instantaneous deflection of light-weight concrete slabs

Behnam VAKHSHOURI, Shami NEJADI

Journal Article

New pseudo-dynamic analysis of two-layered cohesive-friction soil slope and its numerical validation

Suman HAZARI, Sima GHOSH, Richi Prasad SHARMA

Journal Article

Bioengineering protection mechanism of city rock slope and its laboratory test

Desong JIANG, Minghua ZHAO, Chong JIANG,

Journal Article