STABILITY OF NANO COMPOSITE PIEZOELECTRIC CYLINDRICAL SHELL REINFORCED BY ELASTIC FOUNDATION

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Loghman Abbas; Mosallaie Barzoki Ali Akbar

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Seminar Paper

Paper Information

Seminar: CONFERENCE OF IRANIAN AEROSPACE SOCIETY
Year:2014 | Issue:13

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Title

STABILITY OF NANO COMPOSITE PIEZOELECTRIC CYLINDRICAL SHELL REINFORCED BY ELASTIC FOUNDATION

Author(s)

Loghman Abbas | Mosallaie Barzoki Ali Akbar | Issue Writer Certificate

Keywords

SHELL STABILITY

BUCKLING

ENERGY METHOD

PIEZOELECTRIC SHELL

ELASTIC MEDIUM

Abstract

THE ELASTIC FOUNDATION EFFECT ON THE BEHAVIOR OF BUCKLING OF AN ISOTROPIC, SIMPLY SUPPORTED PIEZOELECTRIC CYLINDRICAL SHELL MADE FROM POLYVINYLIDENE FLUORIDE (PVDF), AND SUBJECTED TO COMBINED ELECTRO-THERMO-MECHANICAL LOADS HAS BEEN ANALYZED USING ENERGY METHOD. THE SHELL IS REINFORCED BY ARMCHAIR BORON NITRIDE NANOTUBES. THE CORE IS MODELED AS AN ELASTIC ENVIRONMENT CONTAINING WINKLER AND PASTERNAK MODULES. USING REPRESENTATIVE VOLUME ELEMENT BASED ON MICROMECHANICAL MODELING, MECHANICAL, ELECTRICAL AND THERMAL CHARACTERISTICS OF THE EQUIVALENT COMPOSITE WERE DETERMINED. CRITICAL BUCKLING LOAD IS CALCULATED USING STRAINS BASED ON DONNELL THEORY, THE COUPLED ELECTRO-THERMOMECHANICAL GOVERNING EQUATIONS AND PRINCIPLE OF MINIMUM POTENTIAL ENERGY.THE RESULTS INDICATE THAT BUCKLING STRENGTH INCREASES SUBSTANTIALLY AS HARDER FOAM CORES ARE EMPLOYED I.E. AS EC/ES IS INCREASED. THE MOST ECONOMIC IN-FILL FOAM CORE IS AT &NBSP;H=0.6, AS COST INCREASES WITHOUT MUCH SIGNIFICANT IMPROVEMENT IN TORSIONAL BUCKLING AT HIGHER H'S.

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APA: Copy

Loghman, Abbas, & Mosallaie Barzoki, Ali Akbar. (2014). STABILITY OF NANO COMPOSITE PIEZOELECTRIC CYLINDRICAL SHELL REINFORCED BY ELASTIC FOUNDATION. CONFERENCE OF IRANIAN AEROSPACE SOCIETY. SID. https://sid.ir/paper/943324/en

Vancouver: Copy

Loghman Abbas, Mosallaie Barzoki Ali Akbar. STABILITY OF NANO COMPOSITE PIEZOELECTRIC CYLINDRICAL SHELL REINFORCED BY ELASTIC FOUNDATION. 2014. Available from: https://sid.ir/paper/943324/en

IEEE: Copy

Abbas Loghman, and Ali Akbar Mosallaie Barzoki, “STABILITY OF NANO COMPOSITE PIEZOELECTRIC CYLINDRICAL SHELL REINFORCED BY ELASTIC FOUNDATION,” presented at the CONFERENCE OF IRANIAN AEROSPACE SOCIETY. 2014, [Online]. Available: https://sid.ir/paper/943324/en

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