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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: soil pile (FSP) model is developed to simulate the behavior of pipe piles with soil plugs undergoing high-straindynamic impact loading.A 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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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 positionsThe full-field strain distribution is in-time visualized.The high consistency between the reconstructed and measured results demonstrates the accurate strainThis paper provides a low-cost, real-time, and visualized measurement of blade full-field dynamic strain

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

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Separation and extraction of bridge dynamic strain data

Baijian WU, Zhaoxia LI, Ying WANG, T. H. T. CHAN,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4, Pages 395-400 doi: 10.1007/s11709-009-0049-7

Abstract: Through comparing the measured data of dynamic strains due to loading and temperature by the stain gaugeand temperature sensor at the same location, the information in the strain data was divided into threeAs an application of the proposed method, the effect of strain deformation and noises on the fatigueThe strain due to temperature varying attributes a little to the errors of fatigue assessment; however/stress amplitude picked up by real structural stress or strain.

Keywords： dynamic valuable separatrix strain/stress amplitude frequency

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Behavior of steel fiber–reinforced high-strength concrete at medium strain rate

Chujie JIAO, Wei SUN, Shi HUAN, Guoping JIANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2, Pages 131-136 doi: 10.1007/s11709-009-0027-0

Abstract: Impact compression experiments for the steel fiber–reinforced high-strength concrete (SFRHSC) at mediumstrain rate were conducted using the split Hopkinson press bar (SHPB) testing method.The experimental results showed that, when the strain rate increased from threshold value to 90 s , theincreased about 30%, the elastic modulus of SFRHSC increased about 50%, and the increase in the peak strainmatrix and steel fiber high-strength matrix.

Keywords： steel fiber–reinforced high-strength concrete (SFRHSC) high strain rates split Hopkinson press bar (SHPB) strain rate hardening effects

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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 strainTo quantitatively analyze the failure phenomena, the numerical calculation based on a dynamic interactingcrack 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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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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黄幼麟: Dynamic Consumer Preferences for Electric Vehicles — A Longitudinal Analysis (2020-7-12)

10 Jun 2022

Keywords：能源

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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Construction of interfacial dynamic bonds for high performance lignin/polymer biocomposites

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10, Pages 1372-1388 doi: 10.1007/s11705-023-2302-3

Abstract: The development of lignin/polymer biocomposites can promote the high value utilization of lignin andAs such, it is extremely difficult to prepare high performance lignin/polymer biocomposites.Recently, we proposed the strategy of in situ construction of interfacial dynamic bonds in ligninBy taking advantage of the abundant oxygen-containing polar groups of lignin, we inserted dynamic bondingconcise review systematically summarized the recent research progress of our group toward building high-performance

Keywords： lignin polymer interfacial dynamic bonds

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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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Experimental investigation on dynamic response ofchamber to simulate deepwater explosive

Zhong Dongwang,Li Linna

Strategic Study of CAE 2014, Volume 16, Issue 11, Pages 78-81

Abstract:

Experimental investigation was conducted for the dynamic response ofthat can simulate 200m deepwater explosive loaded 10gTNT equivalent．The vibration characteristics and dynamicstrength of the chamber was analyzed by measuring the strain profiles of six typical points on the chamber．The research results reveal the rule of the dynamic response of the container on different explosive

Keywords： deepwater explosive explosive chamber dynamic response strain

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Numerical analysis of nonlinear dynamic behavior of earth dams

Babak EBRAHIMIAN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1, Pages 24-40 doi: 10.1007/s11709-010-0082-6

Abstract: A numerical study is conducted to investigate the dynamic behavior of earth dams.The numerical investigation employs a fully nonlinear dynamic finite difference analysis incorporatinga simple elastic perfectly plastic constitutive model to describe the stress-strain response of thecharacteristics, soil behavior, strength of the shell materials and dam reservoir condition on the dynamic

Keywords： earth dam numerical nonlinear response dynamic analysis earthquake dam height

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Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1, Pages 116-126 doi: 10.1007/s11709-010-0014-5

Abstract: Therefore, confining pressure effect has become a very important factor in the seismic analysis of highThe relationships of dynamic shear modulus versus dynamic shear strain and damping ratio versus dynamicshear strain had been improved to a certain degree on the basic of widely used Hardin-Drnevich constitutiveRegression analysis was carried out of the dynamic triaxial experimental data of the damming materialsA corresponding computational procedure was compiled and applied in the dynamic response analysis of

Keywords： confining pressure effect high rockfill dam dynamic response Hardin-Drnevich constitutive model

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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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Nonlinear analysis of cable structures using the dynamic relaxation method

Mohammad REZAIEE-PAJAND, Mohammad MOHAMMADI-KHATAMI

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1, Pages 253-274 doi: 10.1007/s11709-020-0639-y

Abstract: The analysis of cable structures is one of the most challenging problems for civil and mechanical engineersThe dynamic relaxation method (DRM) is an explicit procedure for analyzing these types of structures.achieve this goal, 16 numerical examples and two criteria, namely, the number of iterations and the analysis

Keywords： nonlinear analysis cable structure stiffness matrix dynamic relaxation method