CAJ | 학술논문

为分析汽车车身曲面质量,以某款车型发动机罩的曲面创建为例,基于CATIA V5平台,采用点—线—面的逆向建模流程来实现A级曲面的建立。对光顺曲面模型的构造与评价方法进行了系统的阐述,将光顺方法（曲线的光顺和控制点的调节等）与分析方法（精度分析和曲率分析等）相结合,使曲面质量达到A级曲面的标准。经过曲面质量评价（切平面分析、高光线法和斑马线分析）后得到的曲面基本符合A级曲面的品质要求,并对此进行了总结和分析。
위분석기차차신곡면질량,이모관차형발동궤조적곡면창건위례,기우CATIA V5평태,채용점—선—면적역향건모류정래실현A급곡면적건립。대광순곡면모형적구조여평개방법진행료계통적천술,장광순방법（곡선적광순화공제점적조절등）여분석방법（정도분석화곡솔분석등）상결합,사곡면질량체도A급곡면적표준。경과곡면질량평개（절평면분석、고광선법화반마선분석）후득도적곡면기본부합A급곡면적품질요구,병대차진행료총결화분석。
In order to analyze whether the car body surface quality is good or bad,we take the surface creation of the engine hood for example,using point-line-surface reverse modeling process to achieve the establishment of the Class A surfaces based on CATIA V5 platform.Therefore,this paper systematically expounded the structure of the smooth surface model and evaluation method.Make the surface quality to achieve the standard of class A surfaces by combining the smooth methods(curve smoothing and control point adjustment,etc.) and analytical methods(accuracy and curvature analysis,etc.).The surface basically satisfied the quality requirements of class A surfaces after the evaluation analysis(including cutting planes analysis,highlight lines and isophotes mapping Analysis),and then made the summary and analysis.