SHI Guo-you, JIA Chuan-ying. Adaptive Triangular Mesh Generation of Ship Hull Surface Based on NURBS[J]. Journal of Traffic and Transportation Engineering, 2006, 6(1): 84-88.
Citation: SHI Guo-you, JIA Chuan-ying. Adaptive Triangular Mesh Generation of Ship Hull Surface Based on NURBS[J]. Journal of Traffic and Transportation Engineering, 2006, 6(1): 84-88.

Adaptive Triangular Mesh Generation of Ship Hull Surface Based on NURBS

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  • Author Bio:

    SHI Guo-you(1969-), male, doctoral student, 86-411-84727953, shiguoyoudmu@163.com

  • Received Date: 2005-09-10
  • Publish Date: 2006-03-25
  • Aimed at the calculation of 3-D ship hull property and display of real image, an innovative arithmetic for adaptive triangular mesh generation of ship hull surface based on NURBS was put forward by NURBS curve and surface theories, combining quadrangle coding method and improved surface evenness checking method were proposed, which were capable of subdividing quadrangle grids quickly and effectively when the NURBS surface of ship hull was recursively subdivided for satisfying the gave precision requirements in the height direction and on the boundary of the surface, a quadrangle grid was divided into two or more triangle grids by cut corner arithmetic.Applied result indicates that the triangle hull surface created by the arithmetic approximates real ship hull, none of cracks appears among grids, the quadrangle coding method distinctly saves time and space compared with binary-tree method and quard-tree method, improves the efficiency of the arithmetic.

     

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