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Size-dependent Elastic Instability of Gel CylinderWith Surface Stress

Huang Dianwu,Qiao Ling, Wang Shiji

Strategic Study of CAE 2007, Volume 9, Issue 4,   Pages 50-54

Abstract:

The elastic instability of a gel cylinder was researched with classicalelastic theory.The non-classic boundary condition of the elastic instability has been educed by the energy functional So a criterion equation of the elastic instability can be got.Through the analysis of the equation, it is found that the elastic instability is relevant to the radius

Keywords： gel cylinder     elastic instability     intrinsic scale     surface effect    

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using strain energy density as a function of stress triaxiality under quasi-static loading employing elastic-creep& elastic-plastic-creep deformation

Tahir MAHMOOD, Sangarapillai KANAPATHIPILLAI, Mahiuddin CHOWDHURY

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 181-186 doi: 10.1007/s11465-013-0257-7

Abstract: For comparison, an elastic-creep and elastic-plastic-creep finite element analysis (FEA) is performed

Keywords： elastic-creep     elastic-plastic-creep     stress triaxiality     life prediction     pressure vessels     finite element    

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Combustion instability detection using the wavelet detail of pressure fluctuations

JI Junjie, LUO Yonghao

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 116-120 doi: 10.1007/s11708-008-0019-0

Abstract: A combustion instability detection method that uses the wavelet detail of combustion pressure fluctuations

Keywords： comparison     wavelet approximation     pressure transducer     general pressure     consistent    

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Progress and Prospect of Seafloor Instability Research

Gao Weijian, Li Wei

Strategic Study of CAE 2023, Volume 25, Issue 3,   Pages 109-121 doi: 10.15302/J-SSCAE-2023.03.010

Abstract:

Seafloor instability and secondary submarine geohazards are widely presentHowever, formation mechanisms and controlling factors of seafloor instability are still poorly understoodTo improve the understanding, based on the history and development of seafloor instability, thisengineering geohazards risks, and summarizes popular quantitative analysis methods for seafloor instability, this study proposed the development direction and countermeasures of future seafloor instability

Keywords： seafloor instability     submarine geohazards     formation mechanisms     risk assessment     instability analysis    

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Nonlinear dynamic analysis for elastic robotic arms

M. H. KORAYEM, H. N. RAHIMI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 219-228 doi: 10.1007/s11465-011-0218-y

Abstract:

The aim of the paper is to analyze the nonlinear dynamics of robotic arms with elastic links and joints

Keywords： robotic arms     elastic link     elastic joint     nonlinear dynamics     optimal control    

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Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1141-1152 doi: 10.1007/s11709-022-0866-5

Abstract: The calculation formula of out-of-plane elastic buckling loads of the space truss arch is derived basedbe used for the calculation of the arch with a small rise-span ratio, the formula for out-of-plane elastic

Keywords： torsional stiffness     strength design     elastic buckling     space truss arches     out-of-plane    

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Effects of elastic support on the dynamic behaviors of the wind turbine drive train

Shuaishuai WANG, Caichao ZHU, Chaosheng SONG, Huali HAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 348-356 doi: 10.1007/s11465-017-0420-7

Abstract: A three-point elastic support, which includes the main bearing and two torque arms, was considered inThen, the dynamic behaviors of the drive train for different elastic support parameters were computedFrequency response functions were used to examine how different elastic support parameters influenceResults showed that the elastic support parameters considerably influenced the dynamic behaviors of theThe findings of this study provide the foundation for optimizing the elastic support stiffness of the

Keywords： wind turbine drive train     elastic support     dynamic behavior     frequency response function    

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Frequencies of circular plate with concentric ring and elastic edge support

Lokavarapu Bhaskara RAO,Chellapilla Kameswara RAO

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 168-176 doi: 10.1007/s11465-014-0299-5

Abstract:

Exact solutions for the flexural vibrations of circular plates having elastic edge conditions alongfrequency parameter for the considered circular plate are computed for different sets of values of elastic

Keywords： circular plate     frequency     elastic edge     rigid ring     mode switching    

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Modulational Instability of Optical Vortices in Engineered Saturable Media Review

D.G. Pires, N.M. Litchinitser

Engineering 2022, Volume 17, Issue 10,   Pages 31-43 doi: 10.1016/j.eng.2022.04.022

Abstract:

Propagation of light beams in turbid media such as underwater environments, fog, clouds, or biological tissues finds increasingly important applications in science and technology, including bio-imaging, underwater and free-space communication technologies. While many of these applications traditionally relied on conventional, linearly polarized Gaussian beams, light possesses many degrees of freedom that are still largely unexplored, such as spin angular momentum (SAM) and orbital angular momentum (OAM). Here, we present nonlinear light–matter interactions of such complex light beams with "rotational" degrees of freedom in engineered nonlinear colloidal media. By making use of both variational and perturbative approach, we consider non-cylindrical optical vortices, elliptical optical vortices, and higher-order Bessel beams integrated in time (HOBBIT) to predict the dynamics and stability of the evolution of these beams. These results may find applications in many scenarios involving light transmission in strongly scattering environments.

Keywords： Optical vortex     Orbital angular momentum     Modulation instability     Turbid media    

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Anti-erosion elastic coating design based on synchronous fluctuation principle

Guo Yuanjun,Xiao Hualin,Xu Daqing,Li Wenbin

Strategic Study of CAE 2008, Volume 10, Issue 9,   Pages 60-63

Abstract: section, the anti-erosion design idea is proposed, which can realize the synchronistic fluctuate of elasticThe condition of realized synchronous fluctuation of elastic coating channel border with the perturbationOn the basis of analysis result, the method of determining the material parameters of elastic coating

Keywords： erosion     boundary layer     elastic channel border     elastic coating     synchronous fluctuation    

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Nonlinear elastic model for compacted clay concrete interface

R. R. SHAKIR, Jungao ZHU

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 187-194 doi: 10.1007/s11709-009-0033-2

Abstract: In this paper, a nonlinear elastic model was developed to simulate the behavior of compacted clay concrete

Keywords： interface modeling     friction     soil structure interface     soil structure interaction     simple shear test    

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Semi-analytical approach for free vibration analysis of cracked beams resting on two-parameter elastic

Alborz MIRZABEIGY,Firooz BAKHTIARI-NEJAD

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 191-202 doi: 10.1007/s11465-014-0293-y

Abstract:

In present study, free vibration of cracked beams resting on two-parameter elastic foundation withEuler-Bernoulli beam hypothesis has been applied and translational and rotational elastic springs inComprehensive studies to analyze the effects of crack location, crack severity, parameters of elasticfoundation and boundary conditions on dimensionless frequencies as well as effects of elastic boundary

Keywords： free vibration     cracked beam     elastic foundation     restrained ends     differential transform method    

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Conformal analysis of fundamental frequency of vibration of elastic clamped plates

QI Hongyuan, ZHU Hengjun

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 429-432 doi: 10.1007/s11465-007-0073-z

Abstract: To calculate the fundamental frequency of vibration of special-shaped and elastic clamped plates, theFinally, taking ellipse elastic clamped plates as an example, the effects on fundamental frequency coefficient

Keywords： direction     theory     vibration     odd     complicated boundary    

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Vibration analysis of multi-walled carbon nanotubes embedded in elastic medium

Pattabhi R. BUDARAPU,Sudhir Sastry YB,Brahmanandam JAVVAJI,D. Roy MAHAPATRA

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 151-159 doi: 10.1007/s11709-014-0247-9

Abstract: method to estimate the natural frequencies of the multi-walled carbon nanotubes (MWCNTs) embedded in an elasticThe effect of the elastic medium is introduced through an elastic model.

Keywords： natural frequencies     multi-walled carbon nanotubes (MWCNTS)     elastic medium    

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Underlying mechanism of the hydrothermal instability of Cu

Nadeen Al-Janabi,Abdullatif Alfutimie,Flor R. Siperstein,Xiaolei Fan

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 1,   Pages 103-107 doi: 10.1007/s11705-015-1552-0

Abstract: Water induced decomposition of Cu (BTC) (BTC= benzene-1,3,5-tricarboxylate) metal-organic framework (MOF) was studied using dynamic water vapour adsorption. Small-angle X-ray scattering, Fourier transform infrared spectroscopy and differential scanning calorimetry analyses revealed that the underlying mechanism of Cu (BTC) MOF decomposition under humid streams is the interpenetration of water molecules into Cu-BTC coordination to displace organic linkers (BTC) from Cu centres.

Keywords： hydrothermal stability     metal-organic framework (MOF)     open metal sites (OMSs)     dynamic water vapour adsorption    

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Title Author Date Type Operation

Size-dependent Elastic Instability of Gel CylinderWith Surface Stress

Huang Dianwu,Qiao Ling, Wang Shiji

Journal Article

using strain energy density as a function of stress triaxiality under quasi-static loading employing elastic-creep& elastic-plastic-creep deformation

Tahir MAHMOOD, Sangarapillai KANAPATHIPILLAI, Mahiuddin CHOWDHURY

Journal Article

Combustion instability detection using the wavelet detail of pressure fluctuations

JI Junjie, LUO Yonghao

Journal Article

Progress and Prospect of Seafloor Instability Research

Gao Weijian, Li Wei

Journal Article

Nonlinear dynamic analysis for elastic robotic arms

M. H. KORAYEM, H. N. RAHIMI

Journal Article

Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Journal Article

Effects of elastic support on the dynamic behaviors of the wind turbine drive train

Shuaishuai WANG, Caichao ZHU, Chaosheng SONG, Huali HAN

Journal Article

Frequencies of circular plate with concentric ring and elastic edge support

Lokavarapu Bhaskara RAO,Chellapilla Kameswara RAO

Journal Article

Modulational Instability of Optical Vortices in Engineered Saturable Media

D.G. Pires, N.M. Litchinitser

Journal Article

Anti-erosion elastic coating design based on synchronous fluctuation principle

Guo Yuanjun,Xiao Hualin,Xu Daqing,Li Wenbin

Journal Article

Nonlinear elastic model for compacted clay concrete interface

R. R. SHAKIR, Jungao ZHU

Journal Article

Semi-analytical approach for free vibration analysis of cracked beams resting on two-parameter elastic

Alborz MIRZABEIGY,Firooz BAKHTIARI-NEJAD

Journal Article

Conformal analysis of fundamental frequency of vibration of elastic clamped plates

QI Hongyuan, ZHU Hengjun

Journal Article

Vibration analysis of multi-walled carbon nanotubes embedded in elastic medium

Pattabhi R. BUDARAPU,Sudhir Sastry YB,Brahmanandam JAVVAJI,D. Roy MAHAPATRA

Journal Article

Underlying mechanism of the hydrothermal instability of Cu

Nadeen Al-Janabi,Abdullatif Alfutimie,Flor R. Siperstein,Xiaolei Fan

Journal Article