...利用Dynaform软件对派里奥轿车的左后悬挂架进行了多道次拉深成形的有限元 模拟,以试验及神经网络预测得到的成形极限应力图(FLSD)作为判据,对板料多道次拉深成形的成形性进行了分析研究。 研究结果表明:不同加载路径下得到.
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因此，成形极限应力图作为复杂加载路径的成形极限判据更加方便和实用。
So it "s more convenient and practical to use FLSD as the criterion of forming limit."
综述了国内外成形极限应力图的研究进展，并指出了目前成形极限应力图研究所面临的主要问题。
The research progresses on FLSD were summarized, and the existing problems of FLSD were also pointed out.
而以极限应力构成的成形极限应力图FLSD由于不依赖加载应变路径，已成为目前研究的热点。
While FLSD, which is stress-based and independent of strain path, has become the hotspot in this field.
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