| 一个几何非线性空间变形曲梁元 |
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| 引用本文： | 黄宝宗,姜泽亚.一个几何非线性空间变形曲梁元[J].东北大学学报(自然科学版),1987(3). |
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| 作者姓名： | 黄宝宗 姜泽亚 |
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| 作者单位： | 东北工学院材料力学教研室
(黄宝宗)，东北工学院材料力学教研室(姜泽亚) |
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| 摘 要： | 本文以三角函数和幂函数的组合作为形函数,建立了一个能精确描述刚体位移的几何非线性空间变形曲梁元。算例表明该元素精度较高,收敛较快,适于和各种位移模式的壳元素相配合来分析复杂加筋板壳结构几何非线性问题。
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| 关 键 词： | 曲梁元 加筋结构 几何非线性 刚体位移 |
A Geometrically Nonlinear Curved Beam Element under Spatial Deformation |
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| Huang Baozong,Jiang Zeya.A Geometrically Nonlinear Curved Beam Element under Spatial Deformation[J].Journal of Northeastern University(Natural Science),1987(3). |
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| Authors: | Huang Baozong Jiang Zeya |
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| Institution: | Huang Baozong;Jiang Zeya |
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| Abstract: | A geometrically nonlinear curved beam element under spatialdeformation is newly developed for exactly describing the displace-ment of a rigid body, by taking combinations of trigonometricfunctions with power functions as shape functions. The element canbe used to analyze geometrically nonlinear problems of complicatedribbed structure, combined with shell elements in various displace-ment models. The examples show that the new element is relativelyprecise with quick convergence. |
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| Keywords: | curved beam element ribbed structure geometrical nonlinearity rigid body displacement |
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