Nonlinear free vibration analysis of laminated composite shells in hygrothermal environments

N.V. Swamy Naidu; P.K. Sinha

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Nonlinear free vibration analysis of laminated composite shells in hygrothermal environments

机译：湿热环境下层合复合材料壳的非线性自由振动分析

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The nonlinear free vibration behaviour of laminated composite shells subjected to hygrothermal environments is investigated using the finite element method. The present finite element formulation considers doubly curved shells, and the Green-Lagrange type nonlinear strains are incorporated into the first-order shear deformation theory. The analysis is carried out using quadratic eight-noded isoparametric elements. The validity of the model is demonstrated by comparing the present results with the solutions available in the literature. A parametric study is carried out varying the curvature ratios and side to thickness ratios of composite cylindrical shell, spherical shell and hyperbolic paraboloid shell panels with simply supported boundary conditions.

机译：采用有限元方法研究了复合材料复合壳在湿热环境下的非线性自由振动行为。目前的有限元公式考虑了双曲壳，并将格林-拉格朗日型非线性应变纳入一阶剪切变形理论。使用二次八节点等参元素进行分析。通过将当前结果与文献中可用的解决方案进行比较，可以证明模型的有效性。进行了参数研究，在具有简单支撑边界条件的情况下，改变了复合圆柱壳，球形壳和双曲抛物面壳板的曲率比和边厚比。

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来源
《Composite Structures》 |2007年第4期|p.475-483|共9页
作者
N.V. Swamy Naidu; P.K. Sinha;
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作者单位

CADES Digitech Private Limited, Anchorage, #100/1, Richmond Road, Bangalore 560 025, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
hygrothermal; finite element; green-lagrange; free vibration;

机译：湿热;有限元;绿色滞后;自由振动;

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1. Nonlinear free vibration analysis of laminated composite spherical shell panel under elevated hygrothermal environment: A micromechanical approach [J] . Mahapatra Trupti R., Panda Subrata K. Aerospace science and technology . 2016,第FEBa期

机译：湿热条件下层合复合材料球形壳板的非线性自由振动分析：一种微力学方法
2. Nonlinear free vibration analysis of laminated composite doubly curved shell panel in hygrothermal environment [J] . Mahapatra Trupti R., Kar Vishesh R., Panda Subrata K. Journal of Sandwich Structures and Materials . 2015,第5期

机译：湿热环境下叠层复合双曲壳板的非线性自由振动分析
3. Free vibration analysis of smart laminated carbon nanotube-reinforced composite cylindrical shells with various boundary conditions in hygrothermal environments [J] . Thin-Walled Structures . 2020,第Apra期

机译：湿热环境下不同边界条件的智能层压碳纳米管增强复合圆柱壳的自由振动分析
4. Effect of hygrothermal environment on the nonlinear free vibration responses of laminated composite plates: A nonlinear finite element micromechanical approach [C] . Trupti R Mahapatra, Subrata K Panda, Sushmita Dash International Conference on Advances in Materials and Manufacturing Applications . 2016

机译：湿热环境对层压复合板非线性自由振动响应的影响：非线性有限元微机械方法
5. Forced vibration and hygrothermal analysis of composite laminated beams under the action of moving loads. [D] . Kavipurapu, Praveen Kumar. 2005

机译：移动荷载作用下复合层合梁的强迫振动和湿热分析。
6. Wave Based Method for Free Vibration Analysis of Cross-Ply Composite Laminated Shallow Shells with General Boundary Conditions [O] . Dongyan Shi, Dongze He, Qingshan Wang, 2019

机译：基于波的边界条件下复合材料层合薄壳自由振动分析
7. Thermoelectrically induced nonlinear free vibration analysis of piezo laminated composite conical shell panel with random fiber orientation [O] . Lal Achchhe, Shegokar Niranjan L. 2017

机译：随机纤维取向压电层合复合材料锥壳板的热电感应非线性自由振动分析
8. Laminated thin shell structures subjected to free vibration in a hygrothermal environment [R] . Gotsis, Pascal K., Guptill, James D. 1994

机译：层压薄壳结构在湿热环境中经受自由振动

Nonlinear free vibration analysis of laminated composite shells in hygrothermal environments

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