| 1. | Adaptive triangular mesh generation of ship hull surface based on nurbs
的船体曲面自适应三角网格剖分 |
| 2. | According to ship - hull surface modeling , new design methods in 3d can be implemented conveniently
在船体曲面nurbs表达完成后，使基于船体曲面的三维设计得以实现。 |
| 3. | The shape of ship - hull surface is very sophisticated . mathematical representation of ship - hull surface is important in shipbuilding industry
船体曲面比较复杂，在实际应用中，实现船体曲面的数学描述非常重要。 |
| 4. | ( 3 ) computation method of geometric properties of closed surface applied to performance calculation of ship hull surface based on nurbs is presented
( 3 )建立了基于nurbs的船体在任意浮态下的三维几何特性计算新方法。 |
| 5. | The aim is to calculate damaged stability in 3d space based on the hull surface so as to improve reliability and efficiency
本文的核心目的是在三维空间基于船体曲面计算破舱稳性，以避免传统计算方法的缺点，从而提高破舱稳性计算的稳定性与效率。 |
| 6. | Using visual c + + programming language , ship - hull surface modeling and fairing are realized in objectarx developing environment of autocad system platform
本文以autocad的objectarx为开发环境，以visualc ~ ( + + )为编程语言，完摘要一成上面的研究工作。 |
| 7. | Based on projection principle , a method for surface / plane intersection is presented . the theory of this method is laconic . the numerical intersecting algorithm is widely used in ship - hull surface modeling in this thesis
根据投影变换原理，给出一种曲面与平面求交的新算法，算法原理简洁直观，计算稳定。 |
| 8. | In this thesis , non - uniform rational b - spline , i . e . , named nurbs , is used to model ship - hull surface . interpolating , fairing and representing ship - hull surfaces are the most important parts of researching task
所以，用nurbs技术作为数学工具，对船体曲面进行表达、插值和光顺处理是本文的主要研究内容之一。 |
| 9. | The results indicate that start and end segment of interpolation curve are changed with different boundary conditions . interpolation and approximation of arbitrary data points and ship hull surface modeling based on nurbs is implemented
研究了nurbs的曲线与曲面的正算、反算算法及其边界条件的确定方法，实现了任意点列的nurbs插值与逼近及船体曲面造型。 |
| 10. | To interpolate the given ship offset data , the ship - hull surface is represented successfully by nurbs . the boundary conditions computation and knots vector construction are detailed in nurbs curve and surface interpolation
本文根据船体型值表的数据，用nurbs曲面来描述完整船体曲面，对插值曲面边界条件构造及节点矢量计算进行了研究，实现了船体曲线曲面的nurbs表达。 |
