Ultrahigh-strength aluminum alloy pulse current regulation and control cast rolling simulation method

The invention relates to a cast rolling simulation method, in particular to an ultrahigh-strength aluminum alloy pulse current regulation and control cast rolling simulation method which comprises thefollowing steps: collecting electric pulse technical parameters in a cast rolling process on site; collecting various process parameters of the cast rolling process and the melt solidification area on site; establishing a finite element three-dimensional dynamic cast-rolling model according to the division of the unit grids; simulating the rheology and electromagnetic induction stirring of a meltsolidification area by combining the electromagnetic induction characteristic; obtaining electromagnetic stirring intensities under different casting and rolling process parameters, and simulating and calculating the temperature change difference of the melt in the rheological region; obtaining the critical solid fraction of the melt capable of flowing at the solidification interface; changing electric pulse technical par