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Stiffness analysis and experimental validation of robotic systems

Giuseppe CARBONE

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 182-196 doi: 10.1007/s11465-011-0221-3

Abstract: Therefore, this paper proposes procedures for carrying out both numerical and experimental estimationsThe proposed numerical procedure is based on models with lumped parameters for deriving the CartesianThen, an experimental procedure for the evaluation stiffness performance is proposed as based on a newCases of study are reported to show the soundness and engineering feasibility of both the proposed numericalformulation for stiffness analysis and experimental validation of stiffness performance.

Keywords： robotics     stiffness performance     numerical and experimental estimations    

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Numerical and experimental analyses of methane leakage in shield tunnel

Frontiers of Structural and Civil Engineering   Pages 1011-1020 doi: 10.1007/s11709-023-0956-z

Abstract: Based on the basic principles of computational fluid dynamics, a numerical analysis was performed toBased on the numerical and experimental analysis results, a relationship between the safety level and

Keywords： shield tunnel     harmful gas leakage     numerical analysis     laboratory test    

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consistent geometric decomposition theorem to dynamic finite element of 3D composite beam based on experimentaland numerical analyses

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 675-689 doi: 10.1007/s11709-020-0625-4

Abstract: Finally, comprehensive validations are conducted for the theory against experimental and numerical results

Keywords： composite beam     dynamic finite element     degrees of freedom coupling     experimental validation     numerical validation    

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On braced trapezoidal corrugated steel shear panels: An experimental and numerical study

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 396-410 doi: 10.1007/s11709-023-0934-5

Abstract: obtain the hysteretic behavior of the proposed system, the quasi-static cyclic performances of two experimentalThe finite element modeling method was then verified based on the obtained experimental results.Additional numerical evaluations were carried out to investigate the effects of different parameters

Keywords： trapezoidal corrugated plate     steel shear panel     braced steel shear panel     experimental study     buckling    

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Numerical simulation and experimental research on the wheel brush sampling process of an asteroid sampler

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0732-0

Abstract: contact dynamics model between particles and sampling wheel brushes is established and a simulation and experimentalcalibration of the sampled particles is studied first, and the calibrated particle parameters are used in the numericalMoreover, a numerical simulation analysis of the sampling process of the wheel brush sampler in a microgravity

Keywords： asteroid sampling     wheel brush sampler     discrete element method     parameter calibration     experimental    

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A new approach for fuel injection into a solar receiver/reactor: Numerical and experimental investigation

M Helal Uddin, Nesrin Ozalp, Jens Heylen, Cedric Ophoff

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 683-696 doi: 10.1007/s11705-018-1782-z

Abstract: Finally, a thorough computational fluid dynamics (CFD) analysis was performed and validated against the experimental

Keywords： solar reactor     nozzle     CFD     heat transfer     mixing and recirculation    

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Experimental and numerical study on microcrack detection using contact nonlinear acoustics

Xiaojia CHEN, Yuanlin WANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 137-141 doi: 10.1007/s11709-009-0028-z

Abstract: The paper’s main work concentrates on the experimental and numerical verification of the effectivityBoth experiments and numerical tests are performed.The numerical test illustrates the decline of when microcracks penetrate each other.

Keywords： microcrack detection     contact nonlinearity     numerical analysis    

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mechanical properties of steel- and polypropylene-reinforced ultra-high-performance concrete through numericalanalyses and experimental multi-target digital image correlation

Frontiers of Structural and Civil Engineering   Pages 1228-1248 doi: 10.1007/s11709-023-0931-8

Abstract: This study presents experimental and numerical investigations on the mechanical properties of ultra-high-performanceThe obtained experimental data were subsequently used to discuss influential parameters, i.e., flexuralNumerical analyses were also carried out using finite element software to account for the sensitivityIn addition, the regression analyses showed excellent consistency with the experimental results, with

Keywords： UHPC     MT-DIC     flexural behavior     tensile behavior     steel fiber     polypropylene fiber    

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Experimental and numerical analysis of beam to column joints in steel structures

Gholamreza ABDOLLAHZADEH, Seyed Mostafa SHABANIAN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 642-661 doi: 10.1007/s11709-017-0457-z

Abstract: followed by the investigation of a neural network method for direct extraction of information out of experimental

Keywords： beam to column connections     experiments     component method     neural network model     combinational modeling    

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Numerical analysis and experimental investigation of modal properties for the gearbox in wind turbine

Pengxing YI,Peng HUANG,Tielin SHI

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 388-402 doi: 10.1007/s11465-016-0404-z

Abstract: This paper examines the distinctive modal properties of WTGs through finite element (FE) and experimentalSecond, the FE modal results are validated through experimental modal analyses of a 1.5 WM WTG usingThe natural frequencies from the FE and experimental modal analyses show favorable agreement and reveal

Keywords： wind turbine gearbox     modal analysis     finite element analysis     modal frequency     bearing equivalence    

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Numerical simulation and experimental verification of chemical reactions for SCR DeNO

Qiang ZHANG, Yonglin FAN, Wenyan LI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 523-528 doi: 10.1007/s11705-010-0520-y

Abstract: Selective catalytic reduction (SCR) is a major commercial technology for NO removal in power plants. There are a lot of complex chemical reactions in SCR reactors, and it is of great significance to understand the internal process of chemical reactions for SCR DeNO and study the impact of various factors on NO removal efficiency. In this paper, the impact of reaction temperature, ammonia-nitrogen molar ratio and resident time in the catalyst bed layer on NO removal efficiency were studied by simulation of chemical reactions. Then calculated results were compared with catalyst activity test data in a power plant, which proved that the simulated results were accurate. As a result, the reaction conditions were optimized in order to get the best removal efficiency of NO, so that we can provide a reference for optimal running of SCR in power plants.

Keywords： SCR     NOx     removal efficiency     chemical reactions     simulation    

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Combination form analysis and experimental study of mechanical properties on steel sheet glass fiber

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 834-850 doi: 10.1007/s11709-021-0743-7

Abstract: The concept of steel sheet glass fiber reinforced polymer (GFRP) composite bar (SSGCB) was put forward. An optimization plan was proposed in the combined form of SSGCB. The composite principle, material selection, and SSGCB preparation technology have been described in detail. Three-dimensional finite element analysis was adopted to perform the combination form optimization of different steel core structures and different steel core contents based on the mechanical properties. Mechanical tests such as uniaxial tensile, shear, and compressive tests were carried out on SSGCB. Parametric analysis was conducted to investigate the influence of steel content on the mechanical properties of SSGCB. The results revealed that the elastic modulus of SSGCB had improvements and increased with the rise of steel content. Shear strength was also increased with the addition of steel content. Furthermore, the yield state of SSGCB was similar to the steel bar, both of which indicated a multi-stage yield phenomenon. The compressive strength of SSGCB was lower than that of GFRP bars and increased with the increase of the steel core content. Stress-strain curves of SSGCB demonstrated that the nonlinear-stage characteristics of SSGCB-8 were much more obvious than other bars.

Keywords： steel sheet GFRP composite bar     combination form     numerical modeling     mechanical properties test     strength    

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Experimental and numerical investigations of the compressive behavior of carbon fiber-reinforced polymer-strengthened

Peng DENG, Boyi YANG, Xiulong CHEN, Yan LIU

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1215-1231 doi: 10.1007/s11709-020-0663-y

Abstract: Next, 111 numerical analysis models (0.63≤ ≤0.76, 9.70≤ ≤16.92) were established to parametrically evaluateThe numerical analysis results revealed that the development of equivalent plastic strain at the selected

Keywords： tubular T-joint     carbon fiber-reinforced polymer     degree of damage     numerical analysis     equivalent plastic    

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Numerical and experimental research of the characteristics of concentration solar cells

Zilong WANG, Hua ZHANG, Binlin DOU, Weidong WU, Guanhua ZHANG

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 279-291 doi: 10.1007/s11708-019-0637-8

Abstract: A comparison of the experimental and simulation results indicate that the maximum root mean square error

Keywords： concentration     three-junction solar cell     mathematical model     electrical properties     solar energy    

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Design and Experimental Research on a New Pipe Rupture Valve

HU Guo-liang, XU Bing, YANG Hua-yong, ZHANG Yi-ding

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 26-32 doi: 10.1007/s11465-005-0009-4

Abstract: Mathematical models established for the hydraulic elevator system are used in numerical simulations onExperimental research is also carried out using a hydraulic elevator experiment rig.The numerical simulations accord with experimental results in general.

Keywords： Mathematical     designing requirement     numerical     hydraulic elevator     EN81-2 standard    

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Title Author Date Type Operation

Stiffness analysis and experimental validation of robotic systems

Giuseppe CARBONE

Journal Article

Numerical and experimental analyses of methane leakage in shield tunnel

Journal Article

consistent geometric decomposition theorem to dynamic finite element of 3D composite beam based on experimentaland numerical analyses

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Journal Article

On braced trapezoidal corrugated steel shear panels: An experimental and numerical study

Journal Article

Numerical simulation and experimental research on the wheel brush sampling process of an asteroid sampler

Journal Article

A new approach for fuel injection into a solar receiver/reactor: Numerical and experimental investigation

M Helal Uddin, Nesrin Ozalp, Jens Heylen, Cedric Ophoff

Journal Article

Experimental and numerical study on microcrack detection using contact nonlinear acoustics

Xiaojia CHEN, Yuanlin WANG

Journal Article

mechanical properties of steel- and polypropylene-reinforced ultra-high-performance concrete through numericalanalyses and experimental multi-target digital image correlation

Journal Article

Experimental and numerical analysis of beam to column joints in steel structures

Gholamreza ABDOLLAHZADEH, Seyed Mostafa SHABANIAN

Journal Article

Numerical analysis and experimental investigation of modal properties for the gearbox in wind turbine

Pengxing YI,Peng HUANG,Tielin SHI

Journal Article

Numerical simulation and experimental verification of chemical reactions for SCR DeNO

Qiang ZHANG, Yonglin FAN, Wenyan LI

Journal Article

Combination form analysis and experimental study of mechanical properties on steel sheet glass fiber

Journal Article

Experimental and numerical investigations of the compressive behavior of carbon fiber-reinforced polymer-strengthened

Peng DENG, Boyi YANG, Xiulong CHEN, Yan LIU

Journal Article

Numerical and experimental research of the characteristics of concentration solar cells

Zilong WANG, Hua ZHANG, Binlin DOU, Weidong WU, Guanhua ZHANG

Journal Article

Design and Experimental Research on a New Pipe Rupture Valve

HU Guo-liang, XU Bing, YANG Hua-yong, ZHANG Yi-ding

Journal Article