Global buckling behaviour of composite plates containing embedded rectangular delaminations using exact stiffness analysis

机译：使用精确刚度分析的包含嵌入式矩形分层的复合板的整体屈曲行为

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The critical buckling of composite plates withrna single rectangular delamination is studiedrnusing exact stiffness analysis and thernWittrick-Williams algorithm. Computationalrnefficiency is achieved by avoidingrndiscretisation into elements, making thernmethod suitable for preliminary aircraftrndesign and parametric studies. Numericalrnresults for longitudinal compressive loadingrnshow the level of reduction in buckling loadrnwith increasing length and width ofrndelamination. Critical buckling strength isrnincreased as the delamination is movedrntowards the plate surface, but is relativelyrninsensitive to its widthwise and lengthwisernlocation. The results are validated by finiternelement analysis.

机译：采用精确刚度分析和Wittrick-Williams算法研究了具有单矩形分层的复合板的临界屈曲。通过避免离散化成元素来实现计算效率，使该方法适用于初步的飞机设计和参数研究。纵向压缩载荷的数值结果表明屈曲载荷随着分层的长度和宽度的增加而减小的程度。临界屈曲强度随着分层向板表面的移动而增加，但相对于其宽度和长度方向相对不敏感。通过有限元分析验证了结果。

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来源
《New beginnings: challenges for aerospace innovation》|2009年|p.1-15|共15页
会议地点 Manchester(GB)
作者
M Damghani; D Kennedy; CA Featherston;
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作者单位

Cardiff University Cardiff School of Engineering, Queen's Buildings,The Parade, Cardiff CF24 3AA, United Kingdom;

Cardiff University Cardiff School of Engineering, Queen's Buildings,The Parade, Cardiff CF24 3AA, United Kingdom Tel.: +44 29 2087 5340. Fax: +44 29 2087 4939.E-mail address: kennedyd@cf.ac.uk;

Cardiff University Cardiff School of Engineering, Queen's Buildings,The Parade, Cardiff CF24 3AA, United Kingdom;

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会议组织
原文格式 PDF
正文语种 eng
中图分类航空、航天技术的研究与探索;
关键词
Aerospace structures,Composites, Buckling, Delamination, Exact strip, Wittrick-Williams algorithm.;

机译：航空航天结构，复合材料，屈曲，分层，精确条带，Wittrick-Williams算法。;

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专利

1. Global buckling of composite plates containing rectangular delaminations using exact stiffness analysis and smearing method [J] . Mahdi Damghani, David Kennedy, Carol Featherston Computers & Structures . 2014,第apra期

机译：使用精确刚度分析和涂抹方法对包含矩形分层的复合板进行整体屈曲
2. 3D FEM Analysis of the Buckling Delamination of a Rectangular Viscoelastic Composite Plate with an Embedded Rectangular Crack Under Two-Axial Compression [J] . S. D. Akbarov, N. Yahnioglu, E. E. Karatas Computers, Materials & Continua . 2012,第1期

机译：两轴压缩下带有矩形裂纹的矩形粘弹性复合板屈曲分层的三维有限元分析
3. Buckling analysis of variable angle tow composite plates with a through-the-width or an embedded rectangular delamination [J] . Chen Xiaodong, Wu Zhangming, Nie Guojun, International Journal of Solids and Structures . 2018,第期

机译：通过宽度或嵌入式矩形分层的可变角丝复合板的屈曲分析
4. Global buckling behaviour of composite plates containing embedded rectangular delaminations using exact stiffness analysis [C] . M Damghani, D Kennedy, CA Featherston CEAS European air and space conference . 2009

机译：含有精确刚度分析的嵌入式矩形分层的复合板的全局屈曲行为
5. Application of differential quadrature method to the analysis of delamination buckling of laminated composites. [D] . Moradi, Shapour. 1999

机译：微分求积法在层合复合材料脱层屈曲分析中的应用。
6. Three-Dimensional Vibration Analysis of Laminated Composite Rectangular Plate with Cutouts [O] . Kai Xue, Wenhao Huang, Qiuhong Li 2020

机译：用切口叠层复合矩形板的三维振动分析
7. Global buckling behaviour and local damage propagation in composite plates with embedded delaminations [O] . Tafreshi, Azam, Oswald, Tobias 2003

机译：嵌入式分层复合材料板的整体屈曲行为和局部损伤传播
8. Development of Curved-Plate Elements for the Exact Buckling Analysis of Composite Plate Assemblies Including Transverse-Shear Effects [R] . McGowan, D. M. 1999

机译：包含横向剪切效应的复合板组件精确屈曲分析的曲板单元开发

Global buckling behaviour of composite plates containing embedded rectangular delaminations using exact stiffness analysis

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