相关实验视频
Updated: Jun 25, 2025

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Studying Large Amplitude Oscillatory Shear Response of Soft Materials
Published on: April 25, 2019
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在不同边界条件下,在正弦负荷下对层复合材料多孔板进行分析
Raushan Kumar1, Ajay Kumar2, Wojciech Andrzejuk3
1Department of Civil Engineering, Gaya College of Engineering, Gaya 823003, India.
Materials (Basel, Switzerland)
|May 25, 2024
概括
这项研究分析了曲下的层状复合材料多孔板. 添加多孔性可显著降低偏斜,使这些板材非常适合轻量化结构应用.
科学领域:
- 机械工程 机械工程
- 材料科学 材料科学 材料科学
- 复合材料 复合材料 复合材料
背景情况:
- 层状复合板在各种工程应用中至关重要.
- 了解多孔复合板的曲行为对于设计轻质结构至关重要.
- 现有的理论可能无法完全捕捉多孔复合板行为的复杂性.
研究的目的:
- 使用改进的第三阶理论,对层状复合材料多孔板进行曲分析.
- 开发和验证C0有限元素配方来分析这些板.
- 调查孔隙性,边界条件和材料参数对板块屈曲和应力的影响.
主要方法:
- 改进的第三阶剪切变形理论被用于曲分析.
- 为了避免C1的连续性要求,开发了一个C0有限元 (FE) 配方.
- 为2D有限元分析创建了一个内部的FORTRAN代码.
- 考虑了各种多孔性模式和材料参数.
主要成果:
- 开发的FE模型准确地分析了层状复合材料多孔板.
- 在特定条件下,一个方形板显示出与矩形板相比,曲率降低了18.8%.
- 穿孔性引入对曲的影响比应力影响更大.
结论:
- 改进的第三阶理论和C0 FE配方对于分析层状多孔板材是有效的.
- 孔隙性是减少复合板曲折的一个关键因素.
- 这些发现支持开发更轻,更高效的复合结构.
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