| 发动机缸盖气道外壁构建 |
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| 引用本文： | 问来彦.发动机缸盖气道外壁构建[J].汽车零部件,2011(2):72-74. |
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| 作者姓名： | 问来彦 |
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| 作者单位： | 山西省特种设备监督检验所,山西太原,140100;中北大学,山西太原,030051 |
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| 摘 要： | 基于NURBS理论对发动机缸盖气道外壁进行构建,截取原气道截面线并偏移截面线,抓取偏移截面线节点建立B样条曲线,选取四条边界B样条曲线并定义内部控制曲线生成外壁曲面,合并外壁曲面实体化生成外壁实体。
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| 关 键 词： | 发动机 气道外壁 NURBS 构建 |
Construction of Cylinder Head Air Intake Port Ektexine of Engine |
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| WEN Laiyan.Construction of Cylinder Head Air Intake Port Ektexine of Engine[J].Automobile Parts,2011(2):72-74. |
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| Authors: | WEN Laiyan |
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| Affiliation: | WEN Laiyan (1. The Special Equipment Inspection Institute of Shanxi Province, Taiyuan Shanxi 030001 , China; 2. North University of China, Taiyuan Shanxi 030051 , China) |
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| Abstract: | An engine cylinder head air flue ektexine was constructed based on NURBS theory, which intereepted section line of the previous air flue and skewed the section line, and B-spline curve was built by snatching at pitch-point of the skewing seetion line. 4 boundaries Bspline curve was chosen, internal control curves were defined to form ektexine crowed surface, and then ektexine curved surfaces were combined in instantiation to form ektexine entity. |
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| Keywords: | Engine Air intake port ektexine NURBS Construction |
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