起皱现象 meaning in Chinese

puckering phenomena

There are three types of wrinkle which frequently occur in the sheet metal forming process : flange wrinkling , wall wrinkling , and elastic buckling of the undeformed area owing to residual elastic compressive stresses
在金属板料成型加工中通常存在三种类型的起皱现象：法兰起皱，侧壁起皱，和由于残余压应力在未变形区产生的弹性变形。
In this paper , the numerical simulation between using the elastic medium and not using the elastic medium is carried out to analyze the multi - point forming process , and the analysis on the dimple and the wrinkle defects is proposed
本文对使用弹性介质和无弹性介质的多点成形过程进行数值模拟，分析成形过程中产生的压痕和起皱现象，并对上述缺陷的不同影响因素进行了模拟研究。