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Armco铁
文献作者在文章中首次提出了著名的Johnson-Cook模型,并根据Hopkinson杆拉杆和扭曲实验获得了Armco iron(工业纯铁)的Johnson-Cook本构模型参数。
表2-112 Johnson-Cook模型参数(一)
![](https://epubservercos.yuewen.com/CBD420/17977545008662006/epubprivate/OEBPS/Images/70_04.jpg?sign=1738942608-WhwjURCVagR6w4GcFMILve3vvS16IP26-0-5b3778804ee6cd2eb77f69a796c3468b)
JOHNSON G R, COOK W H. A constitutive model and data for metals subjected to large strains, high strain-rates and high temperatures [C]. Proceedings of Seventh International Symposium on Ballistics, Hague, April 1983:541-547.
表2-113 Johnson-Cook模型参数(二)
![](https://epubservercos.yuewen.com/CBD420/17977545008662006/epubprivate/OEBPS/Images/70_05.jpg?sign=1738942608-12fdxnJ3VczEDVVGK4tcGd1Z5rvvAed8-0-8e32f8b790ca4a8a8b6dd1f5eadbd1d1)
表2-114 *EOS_LINEAR_POLYNOMIAL状态方程参数
![](https://epubservercos.yuewen.com/CBD420/17977545008662006/epubprivate/OEBPS/Images/71_01.jpg?sign=1738942608-dFxgxVVawAyhVWCyeIdarJy1wdHa4wGw-0-4cd28687a744a1dcb50124709f71617c)
D R SAROHA. Single Point Initiated Multi-EFP Warhead [C]. 25th International Symposium on Ballistics, Beijing, 2010.
表2-115 AUTODYN软件中Armco iron的Linear状态方程和Zerilli-Armstrong模型参数
![](https://epubservercos.yuewen.com/CBD420/17977545008662006/epubprivate/OEBPS/Images/71_02.jpg?sign=1738942608-Z2FHK6GMGU3Q7A2INzlfZVFoAm93doZG-0-9aedaa62d311f430bdd040a264d44abb)
SRIDHAR PAPPU. Hydrocode and Microstructural Analysis of Explosively Formed Penetrators [D]. EL PASO:University of Texas, 2000.
表2-116 *EOS_GRUNEISEN状态方程参数
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表2-117 Johnson-Cook模型参数(三)
![](https://epubservercos.yuewen.com/CBD420/17977545008662006/epubprivate/OEBPS/Images/71_04.jpg?sign=1738942608-j85fFaYtngvUyDrUQLBKfOIGr7HU8MsP-0-fa761a2569209d8db521d780faacba0e)
表2-118 Johnson-Cook模型损伤参数
![](https://epubservercos.yuewen.com/CBD420/17977545008662006/epubprivate/OEBPS/Images/71_05.jpg?sign=1738942608-Y0dcjxO14lbaiZVEOLofXlIYdgAy1TS7-0-39558dd32981e9084d98285be9ef5962)
徐金中, 汤文辉,等. SPH方法在层裂损伤模拟中的应用[J]. 强度与环境, 2009, 36(1):1-7.