| 高次广义参数单元及其应用 |
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| 引用本文： | 杨绿峰,李桂青,秦荣. 高次广义参数单元及其应用[J]. 广西科学, 1996, 3(4): 48-52 |
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| 作者姓名： | 杨绿峰 李桂青 秦荣 |
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| 作者单位： | 广西大学土木系，武汉工业大学，广西大学土木系 |
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| 摘 要： | 利用５次插值样条函数，将二阶Ｈｅｒｍｉｔｅ梁单元加以改进，使其具有明确含义的结点参数广义化，从而使高阶单元能够应用于曲率不连续的人面梁，板，壳等结构中，算例表明中这种高阶广义参数单元不仅保持了５次Ｈｅｒｍｉｔｅ单元及５次样条函数的优点，并且克服了其不能直接应用于曲率不连续的变截面结构中的缺点。
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| 关 键 词： | 有限元 样条函数 广义参数单元 样条有限元 |
| 收稿时间： | 1996-07-16 |
The Quintic Generalized Coefficient Element and Its Applications |
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| Yang Lufeng,LI Guiqing and Qin Rong. The Quintic Generalized Coefficient Element and Its Applications[J]. Guangxi Sciences, 1996, 3(4): 48-52 |
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| Authors: | Yang Lufeng LI Guiqing Qin Rong |
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| Affiliation: | Dept. of Civil Engineering, Guangxi University, 10 Xixiangtang Road, Nanning, Guangxi, 530004,Wuhan University of Technology, Wuhan, Hubei, 430070 and Dept. of Civil Engineering, Guangxi Univ., 10 Xixiangtang Road, Nanning, Guangxi, 530004 |
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| Abstract: | The quintic B-spline functions were used to adapt the common hermite beam element into a new kind of generalized quintic element.This new kind of high-order element has generalized nodal coefficients,and can be used to compute the beams whose curvity are uncontinuous.Examples in this paper show that the high-order generalized element keeps both the merits of quintic hermite elements and spline functins. |
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| Keywords: | finite element spline functions generalized coefficient |
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