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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.27 No.3
- 발행연도
- 2018.1
- 수록면
- 255 - 271 (17page)
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This paper deals with the transient dynamic analysis and elastic wave propagation in a functionally graded graphene platelets (FGGPLs)-reinforced composite thick hollow cylinder, which is subjected to shock loading. A micromechanical model based on the Halpin-Tsai model and rule of mixture is modified for nonlinear functionally graded distributions of graphene platelets (GPLs) in polymer matrix of composites. The governing equations are derived for an axisymmetric FGGPLs-reinforced composite cylinder with a finite length and then solved using a hybrid meshless method based on the generalized finite difference (GFD) and Newmark finite difference methods. A numerical time discretization is performed for the dynamic problem using the Newmark method. The dynamic behaviors of the displacements and stresses are obtained and discussed in detail using the modified micromechanical model and meshless GFD method. The effects of the reinforcement of the composite cylinder by GPLs on the elastic wave propagations in both displacement and stress fields are obtained for various parameters. It is concluded that the proposed micromechanical model and also the meshless GFD method have a high capability to simulate the composite structures under shock loadings, which are reinforced by FGGPLs. It is shown that the modified micromechanical model and solution technique based on the meshless GFD method are accurate. Also, the time histories of the field variables are shown for various parameters.
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참고문헌 (34)
참고문헌 신청
Farshid Allahkarami / 2017 / Damping and vibration analysis of viscoelastic curved microbeam reinforced with FG-CNTs resting on viscoelastic medium using strain gradient theory and DQM / Steel and Composite Structures, An International Journal 25(2):141~155
Benito, J.J. / 2013 / A GFDM with PML for seismic wave equations in heterogeneous media / J. Comput. Appl. Math. 252:40~51
Shivaji G. Chavan / 2017 / Bending behavior of SWCNT reinforced composite plates / Steel and Composite Structures, An International Journal 24(5):537~548
Chen, D. / 2017 / Nonlinear vibration and postbuckling of functionally graded graphene reinforced porous nanocomposite beams / Compos. Sci. Technol. 142:235~245
Duc, N.D. / 2017 / Thermal and mechanical stability of functionally graded carbon nanotubes (FG CNT)-reinforced composite truncated conical shells surrounded by the elastic foundations / ThinWall. Struct. 115:300~310
Benito, J.J. / 2013 / A GFDM with PML for seismic wave equations in heterogeneous media / J. Comput. Appl. Math. 252:40~51
Shivaji G. Chavan / 2017 / Bending behavior of SWCNT reinforced composite plates / Steel and Composite Structures, An International Journal 24(5):537~548
Chen, D. / 2017 / Nonlinear vibration and postbuckling of functionally graded graphene reinforced porous nanocomposite beams / Compos. Sci. Technol. 142:235~245
Duc, N.D. / 2017 / Thermal and mechanical stability of functionally graded carbon nanotubes (FG CNT)-reinforced composite truncated conical shells surrounded by the elastic foundations / ThinWall. Struct. 115:300~310
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