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A higher order coupled frequency characteristics study of smart magneto-electro-elastic composite plates with cut-outs using finite element methods

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Defence Technology（防务技术） 2021年第1期17卷 100-118页

作者： m.vinyas D.Harursampath T.Nguyen Thoi Nonlinear multifunctional Composites Analysis and Design(NmCAD)Laboratory Department of Aerospace EngineeringIndian Institute of ScienceBangalore560012India Division of Computational mathematics and Engineering Institute for Computational ScienceTon Duc Thang UniversityHo Chi Minh CityViet Nam Faculty of Civil Engineering Ton Duc Thang UniversityHo Chi Minh CityViet Nam

This article deals with investigating the effect of cut-outs on the natural frequencies of magneto-electroelastic(mEE)plates incorporating finite element methods based on higher order shear deformation theory(HSDT).In order to consider the influence of cut-out,the energy of the cut-out domain is subtracted from the total energy of the entire *** governing equations of motions are derived through incorporating Hamilton’s principle and the solution is obtained using condensation *** proposed numerical formulation is verified with the results of previously published literature as well as the numerical *** addition,this research focuses on evaluating the effect of geometrical skewness and boundary conditions on the frequency *** influence of cut-outs on the degree of coupling between magnetic,electric and elastic fields is also investigated.

关键词： Cut-out magneto-electro-elastic Natural frequency Higher order shear deformation Coupling

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On vibration analysis of functionally graded carbon nanotube reinforced magneto-electro-elastic plates with different electro-magnetic conditions using higher order finite element methods

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Defence Technology（防务技术） 2021年第1期17卷 287-303页

作者： m.vinyas D.Harursampath S.C.Kattimani Nonlinear multifunctional Composites Analysis and Design(NmCAD)Laboratory Department of Aerospace EngineeringIndian Institute of ScienceBangalore560012India Department of mechanical Engineering National Institute of Technology KarnatakaSurathkal575025India

This article deals with evaluating the frequency response of functionally graded carbon nanotube reinforced magneto-electro-elastic(FG-CNTmEE)plates subjected to open and closed electro-magnetic circuit *** this regard finite element formulation has been *** plate kinematics adjudged via higher order shear deformation theory(HSDT)is considered for *** equations of motion are obtained with the help of Hamilton’s principle and solved using condensation *** is found that the convergence and accuracy of the present FE formulation is very good to address the vibration problem of FG-CNTmEE *** the first time,frequency response analysis of FG-CNTmEE plates considering the effect of various circuit conditions associated with parameters such as CNT distributions,volume fraction,skew angle,aspect ratio,length-to-thickness ratio and coupling fields has been carried *** results of this article can serve as benchmark for future development and analysis of smart structures.

关键词： Carbon nanotube magneto-electro-elastic Higher order shear deformation theory Coupled frequency Electro-magnetic conditions

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维普期刊数据库

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Influence of active constrained layer damping on the coupled vibration response of functionally graded magneto-electro-elastic plates with skewed edges

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Defence Technology（防务技术） 2020年第5期16卷 1019-1038页

作者： m.vinyas D.Harursampath T.Nguyen-Thoi Nonlinear multifunctional Composites Analysis and Design(NmCAD)Laboratory Department of Aerospace EngineeringIndian Institute of ScienceBangalore560012India Division of Computational mathematics and Engineering Institute for Computational ScienceTon Duc Thang UniversityHo Chi Minh CityViet Nam Faculty of Civil Engineering Ton Duc Thang UniversityHo Chi Minh CityViet Nam

This article makes the first attempt in assessing the influence of active constrained layer damping(ACLD)treatment towards precise control of frequency responses of functionally graded skew-magneto-electroelastic(FGSmEE)plates by employing finite element *** materials are functionally graded across the thickness of the plate in terms of modest power-law *** principal equations of motion of FGSmEE are derived via Hamilton’s principle and solved using condensation *** effect of ACLD patches are modelled by following the complex modulus approach(CmA).Additionally,distinctive emphasis is laid to evaluate the influence of geometrical skewness on the attenuation capabilities of the *** accuracy of the current analysis is corroborated with comparison of previous researches of similar ***,a complete parametric study is directed to understand the combined impacts of various factors like coupling fields,patch location,fiber orientation of piezoelectric patch in association with skew angle and power-law index.

关键词： Vibration control Functionally graded mEE plates Skew angle Active constrained layer damping(ACLD) patches

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维普期刊数据库

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On vibration analysis of functionally graded carbon nanotube reinforced magneto-electro-elastic plates with diff erent electro-magnetic conditions using higher order fi nite element methods

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Defence technology 2021年第1期

作者： m.vinyas D.Harursampath S.C.Kattimani

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A higher order coupled frequency characteristics study of smart magneto-electro-elastic composite plates with cut-outs using fi nite element methods

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Defence technology 2021年第1期

作者： m.vinyas D.Harursampath T.Nguyen Thoi

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Infl uence of active constrained layer damping on the coupled vibration response of functionally graded magneto-electro-elastic plates with skewed edges

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Defence technology 2020年第5期

作者： m. vinyas D. Harursampath T. Nguyen-Thoi

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