| 三维实体退化虚拟层合梁单元在梁极限承载力分析中的应用 |
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| 引用本文： | 袁志军,吴光宇,扶名福.三维实体退化虚拟层合梁单元在梁极限承载力分析中的应用[J].南昌大学学报(理科版),2011,35(1). |
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| 作者姓名： | 袁志军 吴光宇 扶名福 |
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| 作者单位： | 1. 南昌大学建筑工程学院,江西,南昌,330031
2. 南昌大学建筑工程学院,江西,南昌,330031;南昌工程学院,江西,南昌,330099 |
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| 基金项目： | 江西省教育厅青年科学基金项目 |
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| 摘 要： | 提出采用三维实体退化虚拟层合梁单元计算梁极限承载力的方法.考虑结构的几何非线性和材料非线性,利用该单元编制了极限承载力计算程序,并将其应用于梁极限承载力的分析.计算实例表明,该单元收敛快,稳定性好,在单元数较少的情况下,具有较高的精度.由于能克服块体单元或梁段单元法的缺陷,该计算方法具有更强的通用性.
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| 关 键 词： | 三维实体退化梁单元 虚拟层合 梁 极限承载力 非线性 |
Analysis of ultimate load capacity for beam using degenerated three-dimensional solid virtual laminated beam element |
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| YUAN Zhi-jun,WU Guang-yu,FU Ming-fu.Analysis of ultimate load capacity for beam using degenerated three-dimensional solid virtual laminated beam element[J].Journal of Nanchang University(Natural Science),2011,35(1). |
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| Authors: | YUAN Zhi-jun WU Guang-yu FU Ming-fu |
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| Institution: | YUAN Zhi-jun1,WU Guang-yu1,FU Ming-fu1,2 (1.College of Architecture and Civil Engineering,Nanchang University,Nanchang 330031,China,2.Nanchang Institute of Technology,Nanchang 330099,China) |
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| Abstract: | The method that ultimate load capacity of beam is analyzed by degenerated three-dimensional solid virtual laminated beam element is presented.Considering the considering that the geometry of construction and the materials are nonlinear the computing of ultimate load capacity for beam is programmed by the element.Thereafter,the program is used to analyze ultimate load capacity for beam.Numerical results show that the element has the advantages of good convergence,stability and higher precision.Because of ove... |
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| Keywords: | degenerated three-dimensional solid beam element virtual laminate beam ultimate load capacity nonlinearity |
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