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首页> 外文会议>Fourth International Conference on Steel and Aluminium Structures Espoo, Finland 20-23 June 1999 >A parametric study on the rotational capacity of aluminium beams using non-linear fem
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A parametric study on the rotational capacity of aluminium beams using non-linear fem

机译：基于非线性有限元的铝梁旋转能力参数化研究

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摘要

within a general research project developed in co-operation between the Norwegian University of Science and Technology and the University of Naples Federico II, a numerical study to assess the rotational capacity of aluminium alloy beams is performed in this paper. A parametric analysis has been carried out by using the implicit FEM code ABAQUS/Standard, aiming at investigating the effects of governing parameters ont he non-linear response of aluminium beams in bending. Hence, with reference to hollow rectangular cross-sections, the influence of flange slenderness, strain hardening of the material, shape factor of the section and web stiffness have been focused for two of the most common alloys. The obtained results show the importance of such parameters on both buckling strength and rotational capacity of the member, demanding for the improvement of Eurocode 9 guidelines in cross-sectional classification of aluminium alloy beams.
机译：在挪威科学技术大学和那不勒斯费德里科二世大学合作开发的一项普通研究项目中，本文进行了评估铝合金梁旋转能力的数值研究。通过使用隐式FEM代码ABAQUS / Standard进行了参数分析，旨在研究控制参数对铝梁弯曲时非线性响应的影响。因此，对于中空的矩形截面，对于两种最常见的合金，重点关注了法兰细长，材料的应变硬化，截面形状因数和腹板刚度的影响。获得的结果表明，这些参数对于构件的屈曲强度和旋转能力均很重要，要求改进铝合金梁截面分类中的欧洲规范9准则。

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