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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 (CDDAIn the present CDDA, simple polynomial interpolations are defined at the deformable block elements, andThe CDDA is particularly suitable for modeling the fracture propagation because the switch from continuousdeformation analysis to discontinuous deformation analysis is natural and convenient without additionalBoth the formulation and implementation of the VCET in CDDA are simple and straightforward.

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

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    

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 deformation and internal forces decrease as α, β, and GA increase.The 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    

Dynamic analysis of composite beam subjected to harmonic moving load based on the third-order shear deformation

Mohammad Javad REZVANIL, Mohammad Hossein KARGARNOVIN, Davood YOUNESIAN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 409-418 doi: 10.1007/s11465-011-0245-8

Abstract: response of an infinite Timoshenko beam subjected to a harmonic moving load based on the third-order shear deformationmethod, the results TSDT are compared with the previously obtained results based on first-order shear deformation

Keywords: timoshenko composite beam     pasternak viscoelastic foundation     third-order shear deformation theory (TSDT    

Calculation method of radial stress and deformation on conic threaded connections with interference fit

Shoujun CHEN, Qiang LI, Qi AN,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 302-307 doi: 10.1007/s11465-010-0018-9

Abstract: This paper presents a calculation method for radial stress distribution and deformation on conic threadedthreaded connection indicates that the method proposed in this paper is reasonable, and the finite element analysisThe model offers a new way of calculating the radial stress and deformation on conic thread connections

Keywords: conic threaded connections     interference fit     radial stress     deformation     finite element analysis (FEA)    

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 differfrom those of continuous beams given that an abrupt change in stiffness may occur at the interface ofthis study, the equations for the deflection curve and vibration frequencies of a simply supported discontinuousbeam under axial loads are derived analytically on the basis of boundary, continuity, and deformationThe deflection and vibration frequencies of the discontinuous beam are studied under different axial

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

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: The thermal deformation problem in the continuous casting of a slab subjected to thermal loading becauseThen the practical example is given to calculate the thermal deformation and the bulging deformationThis research is useful for analyzing the bulging deformation in the continuous casting of a slab under

Keywords: s reciprocal     loading     deflection expression     reciprocal     opposite    

Design and stability analysis of continuous skew tied-arch bridge over Bin Jiang River

YU Jiancheng, TONG Hao, HUANG Wei

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 37-42 doi: 10.1007/s11709-008-0004-z

Abstract: to analyze the stability performances in both construction and operation stages for single span or continuousshows that out-plane buckling occur for a rigid tie and similar no matter whether it is single span or continuous

Keywords: out-plane buckling     unremarkable     crossbeam     stability analytical     orthogonal    

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

Analysis of load transfer stability control strategy in hydraulic synchronized continuous slippage

LIU Yan-bo, WU Jian-zhong, ZHANG Xuan

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 222-226 doi: 10.1007/s11465-006-0007-1

Abstract: Hydraulic synchronized continuous slippage technique, which integrates mechanical, electrical and hydraulicAn optimization of the speed control strategy (same speed) is deduced from the modeling analysis and

Keywords: excessive     slippage technique     optimization     continuous slippage     engineering    

Deformation characteristics of corrugated composites for morphing wings

Ruijun GE, Bangfeng WANG, Changwei MOU, Yong ZHOU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 73-78 doi: 10.1007/s11465-009-0063-4

Abstract: The linear cumulative effect of corrugated composites deformation is proved by calculating the elongationSeveral corrugated composite specimens were manufactured and tested to verify the results of numerical analysisand experiments show that the corrugated composite provided in this paper can afford obviously larger deformation

Keywords: corrugated composites     deformation characteristic     numerical analysis     experiment    

Deformation analysis of shape memory polymer for morphing wing skin under airflow

Weilong YIN, Jingcang LIU, Jinsong LENG,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 447-449 doi: 10.1007/s11465-009-0062-5

Abstract: The method for analyzing the out-of-plane deformation of a flexible skin under airflow is developed inThe aerodynamic analysis is performed using the CFD software, and the structural analysis is performedThe chief aim of the present study is to investigate the out-of-plane deformation of the shape memory

Keywords: aircraft     morphing     skin     shape memory polymer (SMP)     deformation     pre-strain    

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

Probabilistic seismic response and uncertainty analysis of continuous bridges under near-fault ground

Hai-Bin MA, Wei-Dong ZHUO, Davide LAVORATO, Camillo NUTI, Gabriele FIORENTINO, Giuseppe Carlo MARANO, Rita GRECO, Bruno BRISEGHELLA

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1510-1519 doi: 10.1007/s11709-019-0577-8

Abstract: pulse-like ground motions and the uncertainties in bridge modeling on the seismic demands of regular continuousBy modeling a regular continuous bridge with OpenSees software, a series of nonlinear dynamic time-historyanalysis of the bridge at three different site conditions under near-fault pulse-like ground motionsOn this basis, the uncertainty analysis is conducted with the key sources of uncertainty during the finite

Keywords: continuous bridge     probabilistic seismic demand model     Intensity Measure     near-fault     uncertainty    

Calculation and analysis of sub/supercritical methanol preheating tube for continuous production of biodiesel

Wen CHEN, Weiyong YING, Cunwen WANG, Weiguo WANG, Yuanxin WU, Junfeng ZHANG,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 423-431 doi: 10.1007/s11708-009-0075-0

Abstract: The tubular reactor is an ideal reactor for continuous preparation of biodiesel via supercritical methanol

Keywords: sub/supercritical methanol     preheating tube     integration method     biodiesel    

Title Author Date Type Operation

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

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

Journal Article

Dynamic analysis of composite beam subjected to harmonic moving load based on the third-order shear deformation

Mohammad Javad REZVANIL, Mohammad Hossein KARGARNOVIN, Davood YOUNESIAN

Journal Article

Calculation method of radial stress and deformation on conic threaded connections with interference fit

Shoujun CHEN, Qiang LI, Qi AN,

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

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

LIU Hongzhao, WANG Zhongmin

Journal Article

Design and stability analysis of continuous skew tied-arch bridge over Bin Jiang River

YU Jiancheng, TONG Hao, HUANG Wei

Journal Article

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

Journal Article

Analysis of load transfer stability control strategy in hydraulic synchronized continuous slippage

LIU Yan-bo, WU Jian-zhong, ZHANG Xuan

Journal Article

Deformation characteristics of corrugated composites for morphing wings

Ruijun GE, Bangfeng WANG, Changwei MOU, Yong ZHOU,

Journal Article

Deformation analysis of shape memory polymer for morphing wing skin under airflow

Weilong YIN, Jingcang LIU, Jinsong LENG,

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

Probabilistic seismic response and uncertainty analysis of continuous bridges under near-fault ground

Hai-Bin MA, Wei-Dong ZHUO, Davide LAVORATO, Camillo NUTI, Gabriele FIORENTINO, Giuseppe Carlo MARANO, Rita GRECO, Bruno BRISEGHELLA

Journal Article

Calculation and analysis of sub/supercritical methanol preheating tube for continuous production of biodiesel

Wen CHEN, Weiyong YING, Cunwen WANG, Weiguo WANG, Yuanxin WU, Junfeng ZHANG,

Journal Article