Abstract
In order to study the forming mechanism of metal jet under electromagnetic loading, numerical simulation for electromagnetic coupled jet forming was realized by using AUTODYN software with secondary development. Through secondary development, the magnetic pressure on the liner during the collapse process is calculated iteratively, which enables numerical simulation for electromagnetically coupled jets. The influence and threshold condition of electromagnetic parameters for jet forming are obtained through this. The results show that the head velocity and length of the jet are improved for liner without a tip. The electromagnetic parameters and structural parameters need to match with each other. The head velocity and effective length of the jet increase with the increase in wall thickness and cone angle. The liner diameter has little effect on the head velocity and effective length of the jet. The head velocity and effective length of the jet first increase and then decrease with the increase in cone radius.
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