| 受压-弯载荷作用下的脱层层板屈曲问题的有限元分析 |
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| 引用本文： | 李跃宇. 受压-弯载荷作用下的脱层层板屈曲问题的有限元分析[J]. 玻璃钢/复合材料, 2000, 0(4): 3-5 |
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| 作者姓名： | 李跃宇 |
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| 作者单位： | 南京航空航天大学测试工程系,210016 |
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| 摘 要： | 本文研究更复杂的受载情形 ,即有压缩载荷 ,又有弯曲载荷作用下的局部屈曲问题 ,用基于一阶剪切层板理论的几何非线性有限元法分析了受压 -弯载荷作用下含穿透脱层层板的屈曲临界载荷。给出了在不同压弯载荷比条件下的临界载荷曲线
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| 关 键 词： | 复合材料 层板 脱层 屈曲 有限元法 |
FINITE ELEMENT METHOD FOR BUCKLING ANALYSIS OF DELAMINATION IN LAMINATES UNDER COMPRESSIVE AND BENDING LOADS |
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| Li Yueyu. FINITE ELEMENT METHOD FOR BUCKLING ANALYSIS OF DELAMINATION IN LAMINATES UNDER COMPRESSIVE AND BENDING LOADS[J]. Fiber Reinforced Plastics/Composites, 2000, 0(4): 3-5 |
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| Authors: | Li Yueyu |
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| Affiliation: | Nanjing University of Aeronautics and Astronautics |
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| Abstract: | Local buckling of delaminated laminates subjeceted to compressive loads creates delamination buckling.This often causes delamination growth and leads the structure to failure.This paper deals with more complicated problems that there are compressive loads as well as bending loads.In this paper one-dimensional modelling of delaminated laminates is developed based on the first order shear deformable plate theory The critical buckling loads of laminates embedding one-dimensional delamination under compress-bend loads are calculated using a geometrically nonlinear one-dimensional finite element analysis. Critical loads curves are given under different ratios-bend of compress loads. |
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| Keywords: | composite materials laminates delamination buckling finite element method |
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