Forming limit diagram is used for analyzing sheet forming in finite element analysis software have proposed forming limit stress diagram which is not relies on the loading path.
但它是依赖于加载路径的，用它来分析多道次板成形是不合适的，于是人们提出了与加载路径无关的应力成形极限图。
Forming limit diagram is used for analyzing sheet forming in finite element analysis software have proposed forming limit stress diagram which is not relies on the loading path.
但它是依赖于加载路径的，用它来分析多道次板成形是不合适的，于是人们提出了与加载路径无关的应力成形极限图。
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