The grid distortion, metal velocity field, plastic equivalent stress field and plastic equivalent strain field during the non-symmetric profile extrusion in the two-hole die have been obtained.

• 模拟了双孔模非对称角铝型材挤压变形过程,获得了挤压变形时网格畸变、流速、应力和应变分布,展示了型材挤压件变形不均匀细节。