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Formation mechanism and modeling of surface waviness in incremental sheet forming

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0679-1

Abstract: surface quality has always been a challenge for incremental sheet forming (ISF), whereas the generation mechanismpredicted numerically for the first time, and its generation is attributed to the residual bending deformationthrough deformation history analysis., using a modified strain function considering deformation modes.This work is favorable for the perfection of formation mechanism and control of surface quality in ISF

Keywords： surface waviness     incremental sheet forming     numerical simulation     formation mechanism     deformation history    

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Asymmetric deformation mechanism in deep soft rock tunnel and controlling countermeasures in Datun Mine

Fu Qingguo and Zou Chaoyang

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 102-106

Abstract: distribution of ground displacement field in surrounding rocks when the roadway shows the asymmetric deformationThe results of theoretical study show that the asymmetric deformation is controlled by centralized stressresearch provides a preliminary theoretical basis for the controlling countermeasures of asymmetric deformation

Keywords： deep     soft rock tunnel     asymmetric deformation     controlling countermeasures    

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State of the art for research， development and applications of high manganese TWIP/TRIP steel

Zhang Weina,Liu Zhenyu,Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1,   Pages 40-47

Abstract: The evolution of grain size was investigated，which the mechanism of deformation twin evolution was analyzedThe deformation mechanism of deformation induced martensite and deformation twin was investigated.crack and strain hardening behavior was investigated， and the interaction between VC precipitates and deformationThe post-treatment technology，microstructure，mechanical properties and deformation mechanism of high

Keywords： high manganese TWIP/TRIP steel     twin- roll strip casting     deformation mechanism     deformation induced martensite     deformation twin    

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Mechanism of hot-deformation and magnetic domains of anisotropic die-upset rare earth permanent magnets

Li Wei,Zhu Minggang

Strategic Study of CAE 2011, Volume 13, Issue 10,   Pages 4-12

Abstract: The fabrication procedure dependence, deformation mechanism and magnetic domains of these materials areAnd these domains play an important role in the coercivity mechanism and the corresponding maximum application

Keywords： nanoscale Nd-Fe-B magnets     hot press-hot deformation     anisotropy     magnetic domains    

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Resistance of large deformation of the Wushaoling Tunnel F7 soft fault

ZHAO Xufeng, CHEN Haiming, WANG Chunmiao

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 123-127 doi: 10.1007/s11709-007-0013-3

Abstract: The measurements and techniques are proposed to resist the deformation.

Keywords： F7     deformation     appropriate     construction     mechanical    

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Numerical modeling of nonlinear deformation of polymer composites based on hyperelastic constitutive

Qingsheng YANG, Fang XU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 284-288 doi: 10.1007/s11465-009-0067-0

Abstract: reinforced polymer (FRP) composites exhibit nonlinear and hyperelastic characteristics under finite deformationhyperelastic behavior of fiber reinforced polymer composites using a micromechanical model and finite deformationThe local stress and deformation of a representative volume element are calculated by the nonlinear finiteNumerical examples are given to demonstrate hyperelastic behavior and deformation of the composites,

Keywords： composites     hyperelastic     finite deformation     homogenization     micromechanics    

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Analysis and experiment on deformation of sheet metal by laser shock wave

YANG Chao-jun, ZHANG Yong-kang, ZHOU Jian-zhong, DU Jian-jun, HUANG Shu, FENG Ai-xin, ZHANG Lei-hong, NI Ming-xiong

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 448-451 doi: 10.1007/s11465-006-0056-5

Abstract: The mechanism of laser shock deformation and the reason for the production of the shockwave are introducedultra-high pressure and high strain rate, structural steels and composite materials undergo plastic deformation

Keywords： structural     deforming     experiment     composite     mechanism    

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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 (CDDACDDA is particularly suitable for modeling the fracture propagation because the switch from continuous deformationanalysis to discontinuous deformation analysis is natural and convenient without additional procedures

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

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Calculation methods of the crack width and deformation for concrete beams with high-strength steel bars

Jianmin ZHOU, Shuo CHEN, Yang CHEN

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 316-324 doi: 10.1007/s11709-013-0211-0

Abstract: groups of concrete beams reinforced with high-strength steel bars were tested, and the crack width and deformation

Keywords： concrete beam     high-strength steel bar     crack width     deformation    

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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 threadedThe 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)    

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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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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: The first two kind errors are owing to the small deformation assumption and the last one is due to theA large deformation NMM is proposed based on large deformation theory.In this method, the governing equation is derived using Green strain, the large deformation iteration

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

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Deformation control criterion of shield tunnel under lateral relaxation of soft soil

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 780-795 doi: 10.1007/s11709-023-0944-3

Abstract: However, deformation control standards for such situations have not been clearly defined.Subsequently, a deformation control criterion is established.Based on the mechanical pattern of the segment structure and the acoustic emission, the deformation responseof a segment can be classified into three stages: elastic and quasi-elastic, damage, and rapid deformationHowever, the segment deformation must be controlled when the ellipticity is 2.71% to 3.12%; in this regard

Keywords： shield tunnel     lateral relaxation of soil     deformation control criterion of segment structure     model    

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Deformation field and crack analyses of concrete using digital image correlation method

Yijie HUANG, Xujia HE, Qing WANG, Jianzhuang XIAO

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1183-1199 doi: 10.1007/s11709-019-0545-3

Abstract: The study on the deformation distribution and crack propagation of concrete under axial compression wasTest results also showed that the transverse and shear deformation concentration areas (DCAs) were formed

Keywords： deformation filed distribution     crack development     digital image correlation method     mechanical properties     water-cement ratio     characteristics of deformation and crack    

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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    

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Title Author Date Type Operation

Formation mechanism and modeling of surface waviness in incremental sheet forming

Journal Article

Asymmetric deformation mechanism in deep soft rock tunnel and controlling countermeasures in Datun Mine

Fu Qingguo and Zou Chaoyang

Journal Article

State of the art for research， development and applications of high manganese TWIP/TRIP steel

Zhang Weina,Liu Zhenyu,Wang Guodong

Journal Article

Mechanism of hot-deformation and magnetic domains of anisotropic die-upset rare earth permanent magnets

Li Wei,Zhu Minggang

Journal Article

Resistance of large deformation of the Wushaoling Tunnel F7 soft fault

ZHAO Xufeng, CHEN Haiming, WANG Chunmiao

Journal Article

Numerical modeling of nonlinear deformation of polymer composites based on hyperelastic constitutive

Qingsheng YANG, Fang XU

Journal Article

Analysis and experiment on deformation of sheet metal by laser shock wave

YANG Chao-jun, ZHANG Yong-kang, ZHOU Jian-zhong, DU Jian-jun, HUANG Shu, FENG Ai-xin, ZHANG Lei-hong, NI Ming-xiong

Journal Article

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

Yongchang CAI, Hehua ZHU, Xiaoying ZHUANG

Journal Article

Calculation methods of the crack width and deformation for concrete beams with high-strength steel bars

Jianmin ZHOU, Shuo CHEN, Yang CHEN

Journal Article

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

Shoujun CHEN, Qiang LI, Qi AN,

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

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

Ning ZHANG, Xu LI, Qinghui JIANG, Xingchao LIN

Journal Article

Deformation control criterion of shield tunnel under lateral relaxation of soft soil

Journal Article

Deformation field and crack analyses of concrete using digital image correlation method

Yijie HUANG, Xujia HE, Qing WANG, Jianzhuang XIAO

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