The multi-object,plastoelastic and frictional contact multipole BEM was developed and the process of four-roll rolling without artificial assumption was simulated.

• 开发了多物体弹塑性摩擦接触多极边界元法,对板带四辊轧制接触问题进行了数值模拟,获得了板带轧制压力和轧机轴承载荷分布规律。