航空学报 > 1994, Vol. 15 Issue (8): 930-936

层合圆板三维非线性问题的解析方法

江晓禹1, 张相周2, 陈百屏2   

  1. 1. 西南交通人货应用力学所,成都,610031;2. 西北工业大学强度所,西安,710072
  • 收稿日期:1993-09-29 修回日期:1994-01-05 出版日期:1994-08-25 发布日期:1994-08-25

AN ANALYTIC METHOD FOR NONLINEAR THREE- DIMENSIONAL PROBLEMS OF LAMINATED CIRCULAR PLATES

Jiang Xiaoyu1, Zhang Xiangzhou2, Chen Baiping2   

  1. 1. Institute of Applied Mechanics,Southwestern Jiaotong University,Chengdu,610031;2. Institute of Strength, Northwestern Polytechnical University,Xi’an,710072
  • Received:1993-09-29 Revised:1994-01-05 Online:1994-08-25 Published:1994-08-25

摘要: 提出了一种复合材料层合圆板三维非线性问题的解析方法。分析了中等大挠度的几何非线性问题,采用摄动方法和变分原理来满足三维弹性理论基本微分方程及边界条件,得到了受横向载荷作用的正交各向异性单层固支圆板和层合固支圆板的高精确度三维非线性解析解,并图示出了板中的位移和应力分布。结果表明,该解析方法对于求解层合板的三维非线性问题是有效的。

关键词: 非线性, 摄动方法, 变分原理, 复合材料层合板, 三维

Abstract: An analytic method is presented for nonlinear three-dimensional problems of compo-site laminated circular plates.The geometric nonlinearity from a moderately large deflection isconsidered.The perturbation method and the variational principle are used to satisfy the nonlinear three-dimensional di fferential equations and the boundary conditions.The analvtic nonlinear three-dimensional solutions of high accuracy are obtained for circular laminas and laminated plates with rigidly clamped edges and under uniform transverse loadings.Each of the plate displacements and stresses is shown in figures.The results show that this analytic method used to solve nonlinear three-dimensional problems for composite laminates is effective.

Key words: Key words nonlinearity, perturbation method, variational principle, composite laminatedPlates, three-dimension

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