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Discontinuous mechanical behaviors of existing shield tunnel with stiffness reduction at longitudinal

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 37-52 doi: 10.1007/s11709-022-0920-3

Abstract: An analytical model is proposed to estimate the discontinuous mechanical behavior of an existing shieldThe results indicate that our proposed method is suitable for simulating the discontinuous mechanicalThe bending moment and shear force are discontinuous despite slight discontinuities in the deflectionOwing to the discontinuous characteristics, the internal forces and their abrupt changes at vulnerable

Keywords： tunnel–soil interaction     discontinuous analysis     longitudinal joints     existing shield tunnel     Timoshenko    

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Bending and vibration of a discontinuous beam with a curvic coupling under different axial forces

Heng LIU, Jie HONG, Dayi ZHANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 417-429 doi: 10.1007/s11465-019-0584-4

Abstract: The transverse stiffness and vibration characteristics of discontinuous beams can significantly differthis study, the equations for the deflection curve and vibration frequencies of a simply supported discontinuousThe deflection and vibration frequencies of the discontinuous beam are studied under different axialLastly, an experimental study is conducted to investigate the vibration characteristics of a discontinuous

Keywords： discontinuous beam     bending stiffness     transverse vibration     axial loads     gyroscopic moments    

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Erratum to: Bending and vibration of a discontinuous beam with a curvic coupling under different axial

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0709-z

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A continuous/discontinuous deformation analysis (CDDA) method based on deformable blocks for fracture

Yongchang CAI, Hehua ZHU, Xiaoying ZHUANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 369-378 doi: 10.1007/s11709-013-0222-x

Abstract: In the framework of finite element meshes, a novel continuous/discontinuous deformation analysis (CDDAsuitable for modeling the fracture propagation because the switch from continuous deformation analysis to discontinuous

Keywords： fracture     crack     propagation     deformable block     continuous/discontinuous deformation analysis (CDDA)    

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Simulation of blast induced crater in jointed rock mass by discontinuous deformation analysis method

Youjun NING, Xinmei AN, Jun YANG, Guowei MA,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 223-232 doi: 10.1007/s11709-010-0022-5

Abstract: This paper adopts the discontinuous deformation analysis (DDA) method to simulate the rock blasting process

Keywords： blast crater     jointed rock mass     explosion gas pressure     discontinuous deformation analysis (DDA) method    

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Effect of end-to-end invagination pancreaticojejunostomy with circle discontinuous U suture in pancreatic

ZHANG Xuewen, XUAN Wei, JIANG Tao, JI Degang, YANG Yongsheng, ZHANG Dan, XIE Yingjun, MENG Zihui, ZHAO Jisheng

Frontiers of Medicine 2007, Volume 1, Issue 1,   Pages 46-48 doi: 10.1007/s11684-007-0009-3

Abstract: feasibility of a new operative method called end-to-end invagination pancreaticojejunostomy with circle discontinuousNo pancreatic fistula occurred in end-to-end invagination pancreaticojejunostomy with circle discontinuousincidence rate of the fistula following end-to-end invagination pancreaticojejunostomy with circle discontinuousEnd-to-end invagination pancreaticojejunostomy with circle discontinuous U suture has a definite effect
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Three-dimensional modeling of borehole data cored from engineering rock mass

HE Manchao, LI Xueyuan, LIU Bin, XU Nengxiong

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 334-339 doi: 10.1007/s11709-007-0044-9

Abstract: types according to their geometric characteristics of geologic structure: (1) continuum rock mass; (2) discontinuous

Keywords： three-dimensional     discontinuous     primary     extensive direction     engineering    

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Adaptive simulation of wave propagation problems including dislocation sources and random media

Hassan YOUSEFI, Jamshid FARJOODI, Iradj MAHMOUDZADEH KANI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1054-1081 doi: 10.1007/s11709-019-0536-4

Abstract: h-adaptive grid-based scheme for simulation of elastodynamic problems, involving seismic sources with discontinuous

Keywords： adaptive wavelet     adaptive smoothing     discontinuous solutions     stochastic media     spurious oscillations     Tikhonov    

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Experimental study of pollution effect on the behavior of high voltage insulators under alternative current

Hani BENGUESMIA, Nassima M’ZIOU, Ahmed BOUBAKEUR

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 213-221 doi: 10.1007/s11708-017-0479-1

Abstract: s`imulate the pollution (containing NaCl+ distilled water) that has different conductivities for a discontinuous

Keywords： 1512L insulator     circular model     artificial pollution     flashover     leakage current     discontinuous pollution    

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Dynamics of a neuron exposed to integer- and fractional-order discontinuous externalmagnetic flux Regular Papers

Karthikeyan RAJAGOPAL, Fahimeh NAZARIMEHR, Anitha KARTHIKEYAN, Ahmed ALSAEDI, Tasawar HAYAT, Viet-Thanh PHAM

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 4,   Pages 584-590 doi: 10.1631/FITEE.1800389

Abstract: In the case of an MFNN system with integer-order discontinuous magnetic flux, the system has chaoticIn an MFNN system with fractional-order discontinuous magnetic flux, different attractors such as chaotic

Keywords： Fitzhugh-Nagumo     Chaos     Fractional order     Magnetic flux    

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Title Author Date Type Operation

Discontinuous mechanical behaviors of existing shield tunnel with stiffness reduction at longitudinal

Journal Article

Bending and vibration of a discontinuous beam with a curvic coupling under different axial forces

Heng LIU, Jie HONG, Dayi ZHANG

Journal Article

Erratum to: Bending and vibration of a discontinuous beam with a curvic coupling under different axial

Journal Article

A continuous/discontinuous deformation analysis (CDDA) method based on deformable blocks for fracture

Yongchang CAI, Hehua ZHU, Xiaoying ZHUANG

Journal Article

Simulation of blast induced crater in jointed rock mass by discontinuous deformation analysis method

Youjun NING, Xinmei AN, Jun YANG, Guowei MA,

Journal Article

Effect of end-to-end invagination pancreaticojejunostomy with circle discontinuous U suture in pancreatic

ZHANG Xuewen, XUAN Wei, JIANG Tao, JI Degang, YANG Yongsheng, ZHANG Dan, XIE Yingjun, MENG Zihui, ZHAO Jisheng

Journal Article

Three-dimensional modeling of borehole data cored from engineering rock mass

HE Manchao, LI Xueyuan, LIU Bin, XU Nengxiong

Journal Article

Adaptive simulation of wave propagation problems including dislocation sources and random media

Hassan YOUSEFI, Jamshid FARJOODI, Iradj MAHMOUDZADEH KANI

Journal Article

Experimental study of pollution effect on the behavior of high voltage insulators under alternative current

Hani BENGUESMIA, Nassima M’ZIOU, Ahmed BOUBAKEUR

Journal Article

Dynamics of a neuron exposed to integer- and fractional-order discontinuous externalmagnetic flux

Karthikeyan RAJAGOPAL, Fahimeh NAZARIMEHR, Anitha KARTHIKEYAN, Ahmed ALSAEDI, Tasawar HAYAT, Viet-Thanh PHAM

Journal Article