NONLINEAR DYNAMIC ANALYSIS OF SKEW LAMINATES USING FINITE ELEMENT METHOD

M. K. Singha; S. Prabhakar; M. Ganapathi

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NONLINEAR DYNAMIC ANALYSIS OF SKEW LAMINATES USING FINITE ELEMENT METHOD

机译：有限元法对斜板的非线性动力分析

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Here, nonlinear dynamic behavior of composite skew plates is investigated using the finite element method. The, formulation is based on shear deformation theory. The nonlinear governing equations of motion are solved using direct iteration procedure for free vibration case, and Newmark's time integration technique is employed for dynamic response analysis. Few numerical examples are considered to highlight the influences of skew angle, fiber orientation, boundary condition and aspect ratio on the nonlinear dynamic characteristics of composite skew laminates.

机译：在此，使用有限元方法研究了复合斜板的非线性动力学行为。该公式基于剪切变形理论。对于自由振动情况，使用直接迭代程序求解了非线性的运动控制方程，并采用了Newmark的时间积分技术进行动态响应分析。很少有数值例子来说明偏斜角，纤维取向，边界条件和长宽比对复合偏斜层压板非线性动力学特性的影响。

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来源
《Journal of Aerospace Sciences and Technologies》 |2004年第4期|p.254-264|共11页
作者
M. K. Singha; S. Prabhakar; M. Ganapathi;
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作者单位

Janapara, Nazargunj, Midnapore-721 101, West Bengal, India;

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原文格式 PDF
正文语种 eng
中图分类航天（宇宙航行）;
关键词
composite skew plate; free vibration; transient response; FEM;

机译：复合斜板;自由振动;瞬态响应;有限元;

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5. Nonlinear finite element analysis of laminated composite beams subjected to harmonic excitations using a 20 DOF beam element. [D] . Kenareh, Mansour Nostrati. 1994

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7. Finite element dynamic analysis of laminated composite shell structures considering geometric nonlinear effects [O] . Sang-Youl Lee 2013

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8. Nonlinear Analysis of Orthotropic,Laminated Shells of Revolution by the Finite Element Method. [R] . eldridge,charles m. 1977

机译：正交各向异性复合壳层的非线性有限元分析。

NONLINEAR DYNAMIC ANALYSIS OF SKEW LAMINATES USING FINITE ELEMENT METHOD

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