| 薄壁结构固有频率的p型有限元数值计算收敛性研究 |
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| 引用本文： | 柯栗,孙秦.薄壁结构固有频率的p型有限元数值计算收敛性研究[J].航空计算技术,2010,40(2):65-68,72. |
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| 作者姓名： | 柯栗 孙秦 |
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| 作者单位： | 西北工业大学,航空学院,陕西,西安,710072 |
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| 摘 要： | 通过使用MSC．Patran／Nastran中的p型有限元评价多种典型薄壁结构构件动力学品质分析中的特征值计算收敛问题，并对高阶形函数的作用进行了深入分析，从而说明高阶p型体元在薄壁结构建模中的优越性。
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| 关 键 词： | p型有限元 薄壁结构 固有频率 收敛性 |
Study on p-Version Finite Element in the Use of Numerical Methods for Natural Frequency of Thin Walled Structures |
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| KE Li,SUN Qin.Study on p-Version Finite Element in the Use of Numerical Methods for Natural Frequency of Thin Walled Structures[J].Aeronautical Computer Technique,2010,40(2):65-68,72. |
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| Authors: | KE Li SUN Qin |
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| Institution: | ( School of Aeronautics, Northwestern Polytechnical University, Xi＇an 710072, China) |
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| Abstract: | This paper estimates p- version element＇s infection to the rate of convergence of numerical methods for natural frequency of several typical thin walled structures, and analyses the effect of shape functions with high- order, so as to show the advantages of using high- order brick p- version elements to model thin walled structures. |
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| Keywords: | p- version element thin walled structures natural frequency rate of convergence |
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