Accession Number:

ADP012050

Title:

Surface Interpolation of Non-four-sided and Concave Area by NURBS Boundary Gregory Patches

Descriptive Note:

Conference paper

Corporate Author:

TOSHIBA CORP TOKYO (JAPAN)

Report Date:

2000-01-01

Pagination or Media Count:

10.0

Abstract:

Subdivision methods are widely used for surface interpolation of a non-four-sided area. Using this method, smooth surface shape control of multiple surfaces is difficult. Therefore, we used the trim surface for interpolation of a concave area, hut shape control of the trim surface was also difficult. In this research, the surface interpolation method of non-four-sided over 4 sided area uses a single NBG NURBS Boundary Gregory patch. Moreover we apply this method for concave areas and study the ability of interpolation. Interpolation of one-sided and two-sided concave shapes is also considered. As a result, one-sided concave area can be interpolated smoothly for complex cases. Two-sided cases need further study.

Subject Categories:

  • Numerical Mathematics
  • Theoretical Mathematics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE