Surface Design of Automobile AB Column and Ceiling Based on Alias

This paper introduces the testing method of surface design and quality of Alias software for automobile AB column and roof. Based on the first analysis of the concept car surface, the basic conditions of the automobile a surface design, and then introduces the surface modeling method of automobile AB column and roof, modeling method according to the three view cast graphs or real photos, Bezier curve. Bezier surface, select the appropriate modeling method, finally tested according to the quality standard of surface design.