Industrial design using interpolatory discrete developable surfaces

  • Authors:
  • Yong-Jin Liu;Kai Tang;Wen-Yong Gong;Tie-Ru Wu

  • Affiliations:
  • Department of Computer Science and Technology, Tsinghua National Lab for Information Science and Technology, Tsinghua University, Beijing, PR China;Department of Mechanical Engineering, Hong Kong University of Science and Technology, Hong Kong, China;School of Mathematics, Jilin University, Jilin, PR China;School of Mathematics, Jilin University, Jilin, PR China

  • Venue:
  • Computer-Aided Design
  • Year:
  • 2011

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Abstract

Design using free-form developable surfaces plays an important role in the manufacturing industry. Currently most commercial systems can only support converting free-form surfaces into approximate developable surfaces. Direct design using developable surfaces by interpolating descriptive curves is much desired in industry. In this paper, by enforcing a propagation scheme and observing its nesting and recursive nature, a dynamic programming method is proposed for the design task of interpolating 3D boundary curves with a discrete developable surface. By using dynamic programming, the interpolatory discrete developable surface is obtained by globally optimizing an objective that minimizes tangent plane variations over a boundary triangulation. The proposed method is simple and effective when used in industry. Experimental results are presented that demonstrate its practicality and efficiency in industrial design.