| 坐标法计算断面面积的改进研究 |
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| 引用本文： | 张婕,周佳媚.坐标法计算断面面积的改进研究[J].铁路计算机应用,2012,21(4):46-48,52. |
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| 作者姓名： | 张婕 周佳媚 |
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| 作者单位： | 西南交通大学地下工程系,成都,610031 |
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| 摘 要： | 工程领域中经常需要利用到坐标法计算断面面积,本文提出了二维直角坐标系下改进型的凹凸多边形有向面积通用计算公式,采用矢量法和数学归纳法进行了证明,并将计算结果与工程中的填挖属性相关联.改进后的公式从理论上可提高工程辅助设计的计算效率.
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| 关 键 词： | 坐标法 断面面积 矢量法 填挖属性 |
| 收稿时间： | 2012-04-15 |
Research on improvement of Coordinate Method in cross-section area calculation |
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| ZHANG Jie
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ZHOU Jia-mei.Research on improvement of Coordinate Method in cross-section area calculation[J].Railway Computer Application,2012,21(4):46-48,52. |
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| Authors: | ZHANG Jie ZHOU Jia-mei |
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| Institution: | (Department of Underground Engineering,Southwest Jiaotong University,Chengdu 610031,China) |
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| Abstract: | Coordinate Method was often applied to cross-section area calculation in engineering fields.This paper presented an improved directed area formula of concave and convex polygons in Two-dimensional Cartesian Coordinate System,proved it with vector method and mathematical induction.The calculation results were associated with the engineering attributes of filling and excavation.This improved formula could improve the computational efficiency of engineering aided design theoretically. |
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| Keywords: | Coordinate Method cross-section area Vector Method attributes of filling and excavation |
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