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- On the basis of that, this paper ameliorates to form an improved method, namely, ameliorated advancing front approach (AAFA) as the algorithm of triangular mesh generation. 選擇一種方法即邊界推進(jìn)算法,在此基礎上提出了一種改進(jìn)的邊界推進(jìn)算法,作為本論文生成三角形網(wǎng)格的算法。
- A technique of nonstructured triangular mesh generation which is easy to be incor-porated in the technique of self adaptive mesh refinement is developed. 發(fā)展了一種易于和自適應網(wǎng)格加密技術(shù)相結合的非結構三角形網(wǎng)格生成技術(shù)。
- Based on the advancing front technique developed for triangular mesh generation, quadrilateral mesh can be generated by dividing each triangular element into three quadrilateral elements. 該法在行波法生成平面三角形網(wǎng)格的基礎上,將一個(gè)三角形單元分解為三個(gè)四邊形單元。
- Geometrical topics include partitioning and mesh generation. 幾何主題包括分割和網(wǎng)格生成。
- Triangular mesh, Backface culling, Normal, Topological mapping, Surfaces trimming, Mesh simplification. 01三角網(wǎng)格,背向面去除,法向量,拓撲映射,曲面切割,網(wǎng)格簡(jiǎn)化
- An algorithm of triangular mesh simplification with vertex culling is proposed.The method is based on bounded error. 提出了以限定誤差界為準則,運用頂點(diǎn)去除法簡(jiǎn)化三角網(wǎng)格的算法。
- In this process, a new coding method makes the genetic algorithm suitable for specificity of triangular mesh. 在此過(guò)程中以一種新的編碼方式使遺傳算法能夠適應網(wǎng)格優(yōu)化的特殊性;
- With regard to an arbitrary planar region, we decompose it into relatively uniform triangular mesh to produce triangles as the unit for texture synthesis. 對于任意平面區域需剖分成較均勻的三角網(wǎng)格,以剖分得到的三角形作為基本的合成單元來(lái)進(jìn)行合成。
- Spherical QTM (Quaternary Triangular Mesh) is efficient to deal with the global data because of its advantages of multi-resolution and hierarchy. 球面四元三角網(wǎng)具有多分辨率和層次組織的特性,已成為目前研究球面問(wèn)題的有效方法之一,本文主要討論任意球面三角格網(wǎng)p的三拓撲數計算。
- After vertex culling, triangular mesh reconstruction is conducted at the generated polygon to fill up hollows formed in the above steps. 對頂點(diǎn)去除后,還需對因此形成的多邊形區域進(jìn)行網(wǎng)格重建,填補空洞。
- At the end, an adaptive mesh generation scheme is proposed by combining AFT and Background method. 最后,將改進(jìn)AFT方法和背景網(wǎng)格法相結合,提出了可應用于二維平面和三維實(shí)體自適應有限元網(wǎng)格生成的方法。
- Adaptive finite clement mesh generation is a strategy to optimize finite element mesh in line with er-ror estimation. 自適應有限元網(wǎng)格生成是基于誤差估計,自動(dòng)進(jìn)行有限元網(wǎng)格優(yōu)化的一種策略。
- Determining spatial relation between two spherical objects is approached in this paper by recursive refine based on QTM (Quaternary Triangular Mesh) hierarchical partition. 主要討論了在基于四元三角網(wǎng) ( quaternary Triangular Mesh,簡(jiǎn)稱(chēng) QTM)球面層次格網(wǎng)剖分的基礎上 ,通過(guò)單元遞歸細化來(lái)確定 2個(gè)球面實(shí)體的空間關(guān)系。
- Shih,Bih-Yaw,1997, “Automatic Hexahedral Mesh Generation”,Ph,D Dissertation, Colrado State University. 施弼耀、陳國雄、劉仁俊、陳昭蓉、楊恭娟和邱郁文,民92年,”管理資訊系統”,滄海書(shū)局。
- The 3D triangular mesh data provide important data structure for representing three-dimensional models.The mesh data consist of topologic data and geometric data. 完整的三維影像資料,包含幾何資料及拓樸資料,整合這兩部份之資訊才可以構成一個(gè)三維網(wǎng)格曲面。
- In this paper,a modified Laplacian mesh generation method improved by additional mesh regulation terms is presented. 提出采用網(wǎng)格調節項來(lái)修正拉普拉斯網(wǎng)格生成方法。
- A preprocessing procedure, which is for detecting creases and corners through two adjacent triangles’ dihedral angles and simplifying triangular mesh, is described. 在三角形網(wǎng)格預處理部分,利用兩相鄰三角形的法向夾角來(lái)檢測曲面上的棱和角點(diǎn),同時(shí)利用面積標準來(lái)簡(jiǎn)化三角形網(wǎng)格。
- It presents an algorithm for the finite element mesh generation based on quadtree and advancing front method. 摘要提出了一種基于四叉樹(shù)法和波前法的有限元網(wǎng)格生成算法。
- The solution to the correspondence problem is important for reconstruction of surface from contours, especially for validity of topology of the reconstructed triangular mesh. 輪廓對應問(wèn)題的解決是基于輪廓數據曲面重構的關(guān)鍵工作,是保證重建網(wǎng)格模型拓撲關(guān)系正確性的基礎。
- C. Y. Liu and C. J. Hwang,“New Strategy for Unstructured Mesh Generation,” AIAA Journal, Vol. 39, No. 6, June 2001. 建文;“動(dòng)態(tài)四面體/稜鏡型網(wǎng)格之建立”成功大學(xué)航太所碩士論文;2005;7月.