accordion door

The analysis and improvement of the folding defects in the forging part of turbine blade;

压气机叶片锻件折迭缺陷的分析与改进

It reappeared the producing process for the folding of half shaft bushing during hot forging.

再现了半轴套管锻造成形中折迭产生的全过程,分析半轴套管成形过程的应力场和速度场分布,模拟结果表明,半轴套管在成形过程中首先产生失稳弯曲,随后在芯轴的作用下两股金属汇合而形成折迭。

One is the problem of combinatorial function decomposition, the another is PLA folding.

讨论ＰＬＡ优化设计的组合函数分解问题和ＰＬＡ折迭问题，得出对算法有用的两个直接结果。

Based on the analysis of the accordion effect of the corrugated steel web,a simple approach is proposed to account for the three-dimensional accordion effect within a two-dimensional finite element analysis.

通过考虑波形钢腹板的折迭效应,提出应用二维折迭联结单元来近似模拟其三维折迭效应的计算方法,建立了简单的二维有限元模型。