Geometric Modeling of Compound NURBS Surfaces | ||
| Engineering and Technology Journal | ||
| Article 16, Volume 38, 2A, February 2020, Pages 277-287 PDF (1.1 M) | ||
| DOI: 10.30684/etj.v38i2A.300 | ||
| Authors | ||
| Ali K. Alwan* 1; Wisam K. Hamdan2 | ||
| 1Department of Production Engineering and Metallurgy, University of Technology-Iraq. alikarim4847@gmail.com | ||
| 2Department of Biomedical Engineering, University of Technology-Iraq. wisamuot@yahoocom | ||
| Abstract | ||
| The design of sculptured surfaces occupies an essential area in the field of modern industrial, aerospace, and medical applications. The challenge is to design products that have complex features efficiently with great flexibility of editing in certain regions without affecting other regions, which the designer has no intent to modify. In this paper, we propose a surface design method based on compound NURBS surface to model automotive parts with 400 control points. First, a Non-Uniform B-Spline basis function is derived with a cubic degree and 20 control points. This method is utilized to design car posterior door, car hood, and rear car door as case studies. | ||
| Keywords | ||
| CAD; Geometric modeling; NURBS; Compound surfaces; Car components design; Sculptured Surfaces | ||
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