对液态金属电磁成形的物理和数学模型进行了分析,提出了双频电磁成形的方法(利用两种频率的电磁场实现固态金属无接触加热熔化和熔化后的金属无模壳电磁成形)和原理.在分析液态金属电磁成形理论模型的基础上确认:作用在液态金属表面的电磁压力和加热密度主要取决于其表面上磁场的大小以及磁场在液态金属中的分布规律.最后分析了复杂形状液态金属电磁成形数值计算中存在的难点和解决方法.
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