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FEM-based strain analysis study for multilayer sheet forming process

Rongjing ZHANG,Lihui LANG,Rizwan ZAFAR

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 373-379 doi: 10.1007/s11465-015-0371-9

Abstract: To further explore the novel method, this study conducts a finite element method-based (FEM-based) strainanalysis on multilayer blanks by using the 3A method.

Keywords： finite element method (FEM)     strain analysis     multilayer sheet forming    

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Fictitious soil pile model for dynamic analysis of pipe piles under high-strain conditions

Frontiers of Structural and Civil Engineering   Pages 915-934 doi: 10.1007/s11709-023-0907-8

Abstract: pile (FSP) model is developed to simulate the behavior of pipe piles with soil plugs undergoing high-strainA parametric analysis is conducted to illustrate the influence of the model parameters on the pile dynamic

Keywords： fictitious soil pile     soil plug     pipe piles     high-strain dynamic analysis     one-dimensional wave theory    

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Vibration analysis of nano-structure multilayered graphene sheets using modified strain gradient theory

Amir ALLAHBAKHSHI,Masih ALLAHBAKHSHI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 187-197 doi: 10.1007/s11465-015-0339-9

Abstract:

In this paper, for the first time, the modified strain gradient theory is used as a new size-dependentKirchhoff micro-plate model to study the effect of interlayer van der Waals (vdW) force for the vibration analysisAfter obtaining the governing equations based on modified strain gradient theory via principle of minimum

Keywords： graphene     van der Waals (vdW) force     modi- fied strain gradient elasticity theory     size effect parameter    

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Adaptive selective ES-FEM limit analysis of cracked plane-strain structures

H. NGUYEN-XUAN,T. RABCZUK

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 478-490 doi: 10.1007/s11709-015-0317-7

Abstract: paper presents a simple and efficient approach for predicting the plastic limit loads in cracked plane-strainWe use two levels of mesh repartitioning for the finite element limit analysis.Applying a strain smoothing projection to the strain rates on the dual mesh, the incompressibility constraintThe limit analysis problem is recast into the compact form of a second-order cone programming (SOCP)

Keywords： cracked structure     limit analysis     von Mises criterion     edge-based strain smoothing     second-order cone programming    

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Bioleaching of spent Ni-Cd batteries and phylogenetic analysis of an acidophilic strain in acidified

ZHAO Ling, WANG Liang, YANG Dong, ZHU Nanwen

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 459-465 doi: 10.1007/s11783-007-0073-6

Abstract: Biohydrometallurgy is a novel method to recycle discarded batteries, in which sewage sludge is used as microorganisms and culture due to the presence of indigenous . A two-step continuous flow leaching system co

Keywords： Biohydrometallurgy     discarded     indigenous     two-step continuous     presence    

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Construction of an immortalized neural progenitor cell strain and analysis of its immunogenicity

AN Ke, XU Ying, TIAN Xuebi, GAO Feng, TIAN Yuke, YANG Hui, ZHANG Chuanhan

Frontiers of Medicine 2008, Volume 2, Issue 1,   Pages 63-69 doi: 10.1007/s11684-008-0012-3

Abstract: Here we report that an immortalized neural progenitor cell strain, which we named as INPC, was successfully

Keywords： immortalized     long-term survival     differentiation     capacity     genotype    

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Steel Design by Advanced Analysis: Material Modeling and Strain Limits Research Article

Leroy Gardner, Xiang Yun, Andreas Fieber, Lorenzo Macorini

Engineering 2019, Volume 5, Issue 2,   Pages 243-249 doi: 10.1016/j.eng.2018.11.026

Abstract:

Structural analysis of steel frames is typically performed using beam elements.limits into the analysis.The positive influence of the strain hardening observed in stocky cross-sections can also be harnessed, provided a suitably accurate stress–strain relationship is adopted; a quad-linear material modelThe CSM strain limits allow cross-sections of all slenderness to be analyzed in a consistent advanced

Keywords： Advanced analysis     Continuous strength method     Local buckling     Material modeling     Strain limits    

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Advanced finite element analysis of a complex deep excavation case history in Shanghai

Yuepeng DONG, Harvey BURD, Guy HOULSBY, Yongmao HOU

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 93-100 doi: 10.1007/s11709-014-0232-3

Abstract: Important features are considered in the analysis, e.g., 1) the small-strain stiffness of the soil, 2

Keywords： advanced finite element analysis     deep excavations     case history     small-strain stiffness    

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Concepts and implementation of strain-based criteria in design codes for steel structures

Reidar BJORHOVDE

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 210-216 doi: 10.1007/s11709-012-0165-7

Abstract: If stresses or forces are needed, these are easily determined by the value of the strain and the relevant

Keywords： steel     stress-strain characteristics     tension test     strain design     actual behavior     improved design codes    

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Development of mix design method based on statistical analysis of different factors for geopolymer concrete

Paramveer SINGH; Kanish KAPOOR

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1315-1335 doi: 10.1007/s11709-022-0853-x

Abstract: In addition, the factor analysis revealed that the NS/NH ratio significantly affects the compressive

Keywords： geopolymer concrete     mix design     fly ash     response surface methodology     compressive strength     stress−strain    

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Cyclic stress-strain behavior of structural steel with yield-strength up to 460 N/mm

Yiyi CHEN,Wei SUN,Tak-Ming CHAN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 178-186 doi: 10.1007/s11709-014-0245-y

Abstract: The proposed model was calibrated against a series of cyclic material tests with strain amplitude varying

Keywords： constitutive model     finite element analysis     hysteresis curve     Ramberg-Osgood equation    

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Dynamic failure analysis on granite under uniaxial impact compressive load

ZHAI Yue, MA Guowei, HU Changming, ZHAO Junhai

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 253-260 doi: 10.1007/s11709-008-0042-6

Abstract: High strain-rate uniaxial compressive loading tests were produced in the modified split Hopkinson pressurefailure mode by sudden splitting parallel to the direction of uniaxial compressive loading at different strainincreased, but also the fragment size decreased and the fragment numbers increased with the increasing straincrack space and friction coefficient on the macro-mechanical properties of granite under different strainAccordingly, the strain-dependency of the compression strength and the fragmentation degree of granite

Keywords： numerical calculation     coefficient     cylinder     splitting parallel     strain-dependency    

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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 aerodynamic analysis is performed using the CFD software, and the structural analysis is performedIt decreases by 72%, when the SMP skin is applied with a uniform pre-strain of 0.1.

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

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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: Blade strain distribution and its change with time are crucial for reliability analysis and residualTraditional strain measurements are achieved by strain gauges (SGs) in a contact manner at discrete positionsThis study proposes a method of full-field and real-time strain reconstruction of an aero-engine bladeLimited optical measured displacement responses are utilized to reconstruct the full-field strain.The full-field strain distribution is in-time visualized.

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

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An investigation into the vibration of harmonic drive systems

M. Masoumi, H. Alimohammadi

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 409-419 doi: 10.1007/s11465-013-0275-5

Abstract: This paper presents a vibration analysis of harmonic drive systems using the shell theory.

Keywords： harmonic drive system     strain wave gearing mechanism     vibration analysis     natural frequencies    

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Title Author Date Type Operation

FEM-based strain analysis study for multilayer sheet forming process

Rongjing ZHANG,Lihui LANG,Rizwan ZAFAR

Journal Article

Fictitious soil pile model for dynamic analysis of pipe piles under high-strain conditions

Journal Article

Vibration analysis of nano-structure multilayered graphene sheets using modified strain gradient theory

Amir ALLAHBAKHSHI,Masih ALLAHBAKHSHI

Journal Article

Adaptive selective ES-FEM limit analysis of cracked plane-strain structures

H. NGUYEN-XUAN,T. RABCZUK

Journal Article

Bioleaching of spent Ni-Cd batteries and phylogenetic analysis of an acidophilic strain in acidified

ZHAO Ling, WANG Liang, YANG Dong, ZHU Nanwen

Journal Article

Construction of an immortalized neural progenitor cell strain and analysis of its immunogenicity

AN Ke, XU Ying, TIAN Xuebi, GAO Feng, TIAN Yuke, YANG Hui, ZHANG Chuanhan

Journal Article

Steel Design by Advanced Analysis: Material Modeling and Strain Limits

Leroy Gardner, Xiang Yun, Andreas Fieber, Lorenzo Macorini

Journal Article

Advanced finite element analysis of a complex deep excavation case history in Shanghai

Yuepeng DONG, Harvey BURD, Guy HOULSBY, Yongmao HOU

Journal Article

Concepts and implementation of strain-based criteria in design codes for steel structures

Reidar BJORHOVDE

Journal Article

Development of mix design method based on statistical analysis of different factors for geopolymer concrete

Paramveer SINGH; Kanish KAPOOR

Journal Article

Cyclic stress-strain behavior of structural steel with yield-strength up to 460 N/mm

Yiyi CHEN,Wei SUN,Tak-Ming CHAN

Journal Article

Dynamic failure analysis on granite under uniaxial impact compressive load

ZHAI Yue, MA Guowei, HU Changming, ZHAO Junhai

Journal Article

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

Weilong YIN, Jingcang LIU, Jinsong LENG,

Journal Article

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

Journal Article

An investigation into the vibration of harmonic drive systems

M. Masoumi, H. Alimohammadi

Journal Article