| 三维空间实体-梁单元法中转换矩阵的推导 |
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| 引用本文： | 周海龙,;周水兴.三维空间实体-梁单元法中转换矩阵的推导[J].中南公路工程,2014(6):147-151. |
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| 作者姓名： | 周海龙 ;周水兴 |
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| 作者单位： | [1]内蒙古农业大学水利与土木建筑工程学院,内蒙古,呼和浩特010018; [2]重庆交通大学土木建筑学院,重庆400074 |
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| 基金项目： | 交通部西部交通建设科技资助项目（20033188142024）;重庆市教委资助（KJ050407）;内蒙古农业大学博士基金项目（BJ06-54） |
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| 摘 要： | 在总结现有钢管混凝土拱结构计算模型不足的基础上，提出了适用于进行钢管混凝土拱结构材料非线性分析的三维空间实体-梁单元法；给出了其分析的思路和结构刚度矩阵的一般形式；针对其刚度矩阵中的位移转换矩阵和坐标转换矩阵，给出了详细的推导过程，为自编该方面的有限元计算程序提供了参考资料。
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| 关 键 词： | 钢管混凝土拱结构 三维空间 实体-梁单元法 转换矩阵 推导 |
The Derivation of Transforming Matrix in 3D Space Solid-Beam Element Method |
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| Institution: | ZHOU Hailong, ZHOU Shuixing( College of Water Conservancy and Civil Engineering,Inner Mongolia Agricultural University, Huhehot, Inner Mongolia 010018, China; Civil Engineering and Architecture College, Chongqing Jiaotong University, Chongqing 400074, China ) |
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| Abstract: | This paper, summarized existing computing model for concrete-filled steel tube arch structure, proposed three space solid-beam element method being appropriated for material nonlinear analysis, provided its analysis clue and general form for structural stiffness matrix. Being directed against displacement transforming matrix and coordinate transforming matrix within structural stiffness matrix, the detailed derivation process was provided,which supplied reference material for you making limited element computing program about this aspect. |
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| Keywords: | concrete-filled steel tube arch structure 3D space solid-beam element method transforming matrix derivation |
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