| 三维梁单元分配系数法集中质量阵的形成和在SAP5程序中的应用 |
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| 引用本文： | 余国安,彭勇,朱孝琪.三维梁单元分配系数法集中质量阵的形成和在SAP5程序中的应用[J].西安石油大学学报(自然科学版),1988(2). |
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| 作者姓名： | 余国安 彭勇 朱孝琪 |
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| 作者单位： | 西安石油学院石油机械系，西安石油学院石油机械系，西安石油学院石油机械系 |
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| 摘 要： | 本文利用动能相等原则,推导了三维梁单元的分配系数法集中质量阵。结合SAP5程序现有功能,将分配系数法集中质量阵用于梁单元组成的结构动态特性分析,提高了用SAP5程序求解该类结构的固有特性参数精度,文中还给出了实例,得出了一些有用的结论。
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| 关 键 词： | 梁单元 集中质量阵 SAP5 |
THE FORMATION OF LUMPED MASS MATRIX FOR THE DISTRIBUTED COEFFICIENT METHOD OF THREE-DIMENSIONAL SPACE BEAM ELEMENT AND ITS APPLICATION IN SAP5 PROGRAM |
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| Yu Guoan Pang Yong Zhu Xiaoqi.THE FORMATION OF LUMPED MASS MATRIX FOR THE DISTRIBUTED COEFFICIENT METHOD OF THREE-DIMENSIONAL SPACE BEAM ELEMENT AND ITS APPLICATION IN SAP5 PROGRAM[J].Journal of Xian Shiyou University,1988(2). |
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| Authors: | Yu Guoan Pang Yong Zhu Xiaoqi |
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| Institution: | Department of Petroleum Mechanical Engineering |
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| Abstract: | In this paper, the lumped mas matrix for the distributed coefficient mathod of three-dimentional space beam element is derived by using the equalization of kinesie energy. By means of the function of SAP5 program, this method is used to analyse dynamic characteristics of the structure formed with beam elements. The accuracy of this type of structure eigensolution which is solveJ by SAP5 program is raised. The anthors present some practical examples and have drawn some useful conclusions. |
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| Keywords: | beam element lumped mass matrix SAP5 |
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