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An innovative model for predicting the displacement and rotation of column-tree moment connection under

Mohammad Ali NAGHSH, Aydin SHISHEGARAN, Behnam KARAMI, Timon RABCZUK, Arshia SHISHEGARAN, Hamed TAGHAVIZADEH, Mehdi MORADI

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 194-212 doi: 10.1007/s11709-020-0688-2

Abstract: The results indicate that the rotation and deflection of the CTMC depend on the temperature.The numbers of flanges and web bolts slightly affect the rotation and displacement of the CTMCs at temperatures

Keywords： column-tree moment connection     Finite element model     parametric study     fire     regression models     gene expression programming    

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Multiple damage detection in complex bridges based on strain energy extracted from single point measurement

Alireza ARABHA NAJAFABADI, Farhad DANESHJOO, Hamid Reza AHMADI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 722-730 doi: 10.1007/s11709-020-0624-5

Abstract: The response regarding displacement of a point on the deck was measured along each span by passing aIndicators of the strain energy extracted from displacement influence line and the strain energy extractedfrom the rotational displacement influence line (SERIL) were calculated for the studied bridge.

Keywords： damage detection     strain energy     influence line     complex bridges     rotation displacement    

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Sufficient downward rotation of the christa philtri on the cleft side: a modified technique

Yi Xu, Jingtao Li, Bing Shi

Frontiers of Medicine 2013, Volume 7, Issue 4,   Pages 510-516 doi: 10.1007/s11684-013-0299-6

Abstract: Millard’s rotation-advancement technique has long been considered as state-of-the-art for unilateralThese results suggested that sufficient and stable downward rotation of the christa philtri on the cleft

Keywords： cleft lip and palate     rotation advancement     sufficient rotation     christa philtri geometrically justified    

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Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 318-330 doi: 10.1007/s11709-017-0420-z

Abstract: Once the plastic hinge control parameters are identified (plastic rotation, ultimate curvature), a strengthening

Keywords： RC/frame     RC/wall     moment curvature     plastic rotation     plastic hinge     pushover analysis     global models    

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Lateral displacement of soft ground under vacuum pressure and surcharge load

Chin-Yee ONG, Jin-Chun CHAI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 239-248 doi: 10.1007/s11709-011-0110-1

Abstract: Surcharge load (e.g. embankment fill) will induce settlement and outward lateral displacement, whilevacuum pressure will induce settlement and inward lateral displacement of a ground.Ideally, combination of surcharge load and vacuum pressure can reduce or minimize the lateral displacementFor the conditions investigated, the results indicate that the outward lateral displacement increasesAlso, it is shown that for a given and condition, lateral displacement reduces with the increase

Keywords： vacuum consolidation     lateral displacement     PVD     finite element analysis     surcharge load    

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Influence of advanced engineering measures on displacement and stress field of surrounding rock in tunnels

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0966-x

Abstract: A numerical method was used to investigate the influence of LRAF methods on the stress and displacementThe numerical results indicated that the anchor cable and grouting modification reduced the displacementThe anti-fault cavern resisted the dislocation displacement and reduced the maximum dislocation magnitude, displacement gradient, and shear stress.

Keywords： anti-fault effect     engineering measures     LRAF method     stress and displacement field     tunnel-crossing    

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Quality control based on electrode displacement and force in resistance spot welding

Chuntao JI, Lipeng DENG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 412-417 doi: 10.1007/s11465-010-0114-x

Abstract: The behaviors of electrode displacement and force during spot welding under various conditions, such

Keywords： aluminum     electrode displacement     electrode force     nugget size     data acquisition    

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Parasitic rotation evaluation and avoidance of 3-UPU parallel mechanism

Haibo QU, Yuefa FANG, Sheng GUO

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 2,   Pages 210-218 doi: 10.1007/s11465-012-0317-4

Abstract: 3-UPU (universal-prismatic-universal joint) parallel mechanism proposed by Tsai [ ], the parasitic rotationof the terminal constraint system of the 3-UPU parallel mechanism, the equation about the parasitic rotationThen the norm of possible parasitic rotation is employed to evaluate the mechanism stability with limitedAnd the contour atlas of parasitic rotation is obtained, which can be used for further analysis and designmechanism, we find it’s bound of instability, which indicates there will appear the parasitic rotation

Keywords： parallel mechanism     3-UPU (universal-prismatic-universal joint)     parasitic motions     limited clearance     redundantly actuated limbs    

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Full-field dynamic strain reconstruction of an aero-engine blade from limited displacement responses

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0731-1

Abstract: a method of full-field and real-time strain reconstruction of an aero-engine blade based on limited displacementLimited optical measured displacement responses are utilized to reconstruct the full-field strain.A displacement-to-strain transformation matrix is derived on the basis of the blade mode shapes in theThree discrete vibrational displacement responses measured by laser triangulation sensors are used toprovides a low-cost, real-time, and visualized measurement of blade full-field dynamic strain using displacement

Keywords： aero-engine blade     displacement response     dynamic strain reconstruction     mode shape     strain gauge    

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Evaluation of liquefaction-induced lateral displacement using Bayesian belief networks

Mahmood AHMAD, Xiao-Wei TANG, Jiang-Nan QIU, Feezan AHMAD

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 80-98 doi: 10.1007/s11709-021-0682-3

Abstract: Liquefaction-induced lateral displacement is responsible for considerable damage to engineered structuresTherefore, an accurate estimation of lateral displacement in liquefaction-prone regions is an essentialThis paper presents a novel probabilistic framework for evaluating liquefaction-induced lateral displacementThe results reveal that the BBN models are able to learn complex relationships between lateral displacementstudy also presents a sensitivity analysis to evaluate the impacts of input factors on the lateral displacement

Keywords： Bayesian belief network     seismically induced soil liquefaction     interpretive structural modeling     lateral displacement    

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Quality monitoring of resistance spot welding based on electrode displacement characteristics analysis

ZHANG Pengxian, ZHANG Hongjie, CHEN Jianhong, MA Yuezhou

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 330-335 doi: 10.1007/s11465-007-0058-y

Abstract: First, twelve parameters related to weld quality are mined from electrode displacement signal on the
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Pore-scale simulation of water/oil displacement in a water-wet channel

Jin Zhao, Guice Yao, Dongsheng Wen

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 803-814 doi: 10.1007/s11705-019-1835-y

Abstract: The results show that during a water displacement process, an initial continuous oil phase can be snappedwetting and non-wetting phases, the snapped-off phenomenon can be eliminated or reduced during the displacementA stable displacement can be obtained under high number conditions.Different displacement effects can be obtained at the same number due to its significant influence

Keywords： VOF     pore scale     immiscible displacement     EOR     snap-off     Ca    

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Rotation errors in numerical manifold method and a correction based on large deformation theory

Ning ZHANG, Xu LI, Qinghui JIANG, Xingchao LIN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1036-1053 doi: 10.1007/s11709-019-0535-5

Abstract: effective method for simulating block system, however, significant errors are found in its simulation of rotationThe proposed method is used to analyze block rotation, beam bending, and rock falling problems and the

Keywords： numerical manifold method     rotation     large deformation     Green strain     open-close iteration    

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On Subtropical Anticyclone and High Temperature Drought in Relation to the Earth Nutation and Rotation

Wei Ming,OuYang Shoucheng

Strategic Study of CAE 2007, Volume 9, Issue 8,   Pages 40-46

Abstract: effective results about the long term disaster weather prediction based on the variation of the earth rotationexplore the deep reason of major disaster weather with the re lationship among the earth nutation,  rotation Further more,  the comparison analysis is made on earth nutation and the variation of rotation

Keywords： nutation     earth rotation     subtropical anticyclone     inverse rolling sinking     drought    

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SUSTAINABLE SUGARCANE CROPPING IN CHINA

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 2,   Pages 272-283 doi: 10.15302/J-FASE-2022442

Abstract:

Demand for sugar is projected to grow in China for the foreseeable future. However, sugarcane production is unlikely to increase due to increasing production cost and decreasing profit margin. The persisting sugarcane yield plateau and the current cropping system with fertilizer overuse, soil acidification and pests and diseases remain the major productivity constraints. Sugarcane agriculture supports the livelihood of about 28 million farmers in South China; hence, sustaining it is a socioeconomic imperative. More compellingly, to meet the ever-increasing Chinese market demand, annual sugar production must be increased from the current 10 Mt to 16 Mt by 2030 of which 80% to 90% comes from sugarcane. Therefore, increasing sugar yield and crop productivity in an environmentally sustainable way must be a priority. This review examines the current Chinese sugarcane production system and discuss options for its transition to a green, sustainable cropping system, which is vital for the long-term viability of the industry. This analysis shows that reducing chemical inputs, preventing soil degradation, improving soil health, managing water deficit, provision of clean planting material, and consolidation of small farm holdings are critical requirements to transform the current farming practices into an economically and environmentally sustainable sugarcane cropping system.

Keywords： sustainable sugarcane cropping / soil health / rotation and intercropping / soil acidification    

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Title Author Date Type Operation

An innovative model for predicting the displacement and rotation of column-tree moment connection under

Mohammad Ali NAGHSH, Aydin SHISHEGARAN, Behnam KARAMI, Timon RABCZUK, Arshia SHISHEGARAN, Hamed TAGHAVIZADEH, Mehdi MORADI

Journal Article

Multiple damage detection in complex bridges based on strain energy extracted from single point measurement

Alireza ARABHA NAJAFABADI, Farhad DANESHJOO, Hamid Reza AHMADI

Journal Article

Sufficient downward rotation of the christa philtri on the cleft side: a modified technique

Yi Xu, Jingtao Li, Bing Shi

Journal Article

Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Journal Article

Lateral displacement of soft ground under vacuum pressure and surcharge load

Chin-Yee ONG, Jin-Chun CHAI

Journal Article

Influence of advanced engineering measures on displacement and stress field of surrounding rock in tunnels

Journal Article

Quality control based on electrode displacement and force in resistance spot welding

Chuntao JI, Lipeng DENG

Journal Article

Parasitic rotation evaluation and avoidance of 3-UPU parallel mechanism

Haibo QU, Yuefa FANG, Sheng GUO

Journal Article

Full-field dynamic strain reconstruction of an aero-engine blade from limited displacement responses

Journal Article

Evaluation of liquefaction-induced lateral displacement using Bayesian belief networks

Mahmood AHMAD, Xiao-Wei TANG, Jiang-Nan QIU, Feezan AHMAD

Journal Article

Quality monitoring of resistance spot welding based on electrode displacement characteristics analysis

ZHANG Pengxian, ZHANG Hongjie, CHEN Jianhong, MA Yuezhou

Journal Article

Pore-scale simulation of water/oil displacement in a water-wet channel

Jin Zhao, Guice Yao, Dongsheng Wen

Journal Article

Rotation errors in numerical manifold method and a correction based on large deformation theory

Ning ZHANG, Xu LI, Qinghui JIANG, Xingchao LIN

Journal Article

On Subtropical Anticyclone and High Temperature Drought in Relation to the Earth Nutation and Rotation

Wei Ming,OuYang Shoucheng

Journal Article

SUSTAINABLE SUGARCANE CROPPING IN CHINA

Journal Article