Integration of finite element analysis and design of experiments to analyse the geometrical factors in bi-layered tube hydroforming
Integration of finite element analysis and design of experiments to analyse the geometrical factors in bi-layered tube hydroforming
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DOI：
10.1016/j.matdes.2010.07.015
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发表时间：
2011-02-01
影响因子：
8.4
通讯作者：
Benyounis, K. Y.
中科院分区：
文献类型：
--
作者：
Alaswad, A.;Olabi, A. G.;Benyounis, K. Y.
管材液压成形（THF）是一种非常规的金属成形工艺，其中使用高流体压力和轴向进给将管坯变形为所需形状。双层管液压成形适用于生产特殊应用（如航空航天、石油生产和核电厂）中的双层接头。在这项工作中，采用有限元研究沿着响应面法（RSM）进行试验设计（DOE），构建了三种响应模型，即：研究了X形双层管液压成形中胀形高度、减薄量和起皱高度随几何因素的变化规律。建立了有限元模型，并进行了实验验证。使用有限元分析（FEA）和RSM开发的模型被认为是受过教育的。确定并讨论了各因素对三种响应的影响及其交互作用。这种集成被证明是一种成功的技术，可以用来预测的液压成形零件的几何形状。(C)2010爱思唯尔有限公司保留所有权利。
Tube hydroforming (THF) is a type of unconventional metal forming process in which high fluid pressure and axial feed are used to deform a tube blank in the desired shape. Bi-layered tube hydroforming is suitable to produce bi-layered joints to be used in special applications such as aerospace, oil production and nuclear power plants.In this work, a finite element study along with response surface methodology (RSM) for design of experiment (DOE) has been used to construct models for three responses namely: bulge height, thickness reduction, and wrinkle height as a function of geometrical factors for X shape bi-layered tube hydroforming. A finite element model was built and experimentally validated. The models developed using finite element analysis (FEA) and RSM was found to be educated. The factors effect and their interactions on the three responses were determined and discussed. Such integration was proved to be a successful technique that can be used to predict the geometry of the hydroformed part. (C) 2010 Elsevier Ltd. All rights reserved.