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超塑成形扩散连接过程的三维有限元模拟
3-D FEM SIMULATION OF SUPERPLASTIC FORMING & DIFFUSION BONDING
【摘要】 采用Mindlin壳元 ,对SPF DB工艺进行了模拟 .利用罚函数方法 ,对板材自身接触问题进行分析 ,给出了接触板材间的接触力 ,并提出一种接触搜索判断方法 ,同时给出了算例
【Abstract】 The Mindlin shell element was employed to simulate the processing technology of SPF/DB. In addition, the contacting problem of plates was analyzed in this paper by using the penalty method, the contacting force of plates was derived, and the new methods for searching crateria were proposed. Finally, the calculation examples were provided to explain this new method.
【关键词】 超塑成形;
扩散连接;
有限元;
罚函数法;
接触;
接触搜索;
【Key words】 superplastic forming; diffusion bonding; FEM; penalty method; contacting; contacting search;
【Key words】 superplastic forming; diffusion bonding; FEM; penalty method; contacting; contacting search;
【基金】 国防科工委“九五”预研课题!18.8.1.2 .
- 【文献出处】 固体力学学报 ,ACTA MECHANICA SOLIDA SINICA , 编辑部邮箱 ,2000年03期
- 【分类号】TB301
- 【被引频次】11
- 【下载频次】186