此文采用纠正的拉格朗日列式和基于弹塑性乘法分解的超弹性塑性本构关系,对铝带在不同轧制条件下的异步冷轧过程进行了大变形弹塑性有限元模拟.结果表明,在异步轧制时,轧制力对工作辊辊径的变化表现出非敏感性,而且由于搓轧区的存在,使得变形区内静水压力的绝对值比同步轧制时要小得多. In this paper, a large deformation elasto-plastic finite element simulation of the asynchronous cold rolling process of aluminum strip under different rolling conditions was carried out by using the Lagrangian formula corrected and hyperelastic plastic constitutive relationship based on elasto-plastic multiplication decomposition. Results It shows that the rolling force is not sensitive to the variation of work roll diameter during asynchronous rolling, and the absolute value of hydrostatic pressure in deformation zone is much smaller than that of synchronous rolling due to the existence of rubbing rolling zone .