EXPERIMENTAL WORK AND FEM-CALCULATIONS ON THE INTERACTION OF LOCAL BUCKLING MODES IN ALUMINIUM SECTIONS

机译：铝型材局部屈曲模式相互作用的实验工作和有限元计算

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The extrusion manufacturing process of aluminium allows profiles with a large variety of cross-sections. If these are thin-walled, cross-sectional instability might occur, which is caused by interaction of local buckling modes of connecting plate elements. To investigate this phenomenon, an extensive set of experiments is performed on uniformly compressed aluminium RHS-sections at Eindhoven University of Technology. In-plane and out-of-plane plate deformations are visualised using a so-called ESPI-laser system. The tests are used to validate a finite element model, which results are presented as well. In a subsequent research this model will be used to analyse the failure modes of more complex sections.

机译：铝的挤压制造工艺使型材具有多种横截面。如果它们是薄壁的，则可能会发生横截面不稳定性，这是由于连接板元件的局部屈曲模式相互作用而引起的。为了研究这种现象，在埃因霍温科技大学对均匀压缩的铝制RHS型材进行了广泛的实验。使用所谓的ESPI激光系统可视化平面内和平面外的板变形。这些测试用于验证有限元模型，并给出了结果。在随后的研究中，该模型将用于分析更复杂截面的失效模式。

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《Third International Conference on Coupled Instabilities in Metal Structures CIMS'2000, 3rd, Sep 21-23, 2000, Lisbon-Portugal》|2000年|p.249-256|共8页
会议地点 Lisbon(PT);Lisbon(PT)
作者
J. MENNINK; F. SOETENS; H.H. SNIJDER; B.W.E.M. VAN HOVE;
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作者单位

Faculty of Architecture and Building, Department of Structural Design, Eindhoven University of Technology, Eindhoven, The Netherlands;

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原文格式 PDF
正文语种 eng
中图分类建筑科学;
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EXPERIMENTAL WORK AND FEM-CALCULATIONS ON THE INTERACTION OF LOCAL BUCKLING MODES IN ALUMINIUM SECTIONS

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