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工程力学  2014 

动力子结构试验的算子分解法

DOI: 10.6052/j.issn.1000-4750.2012.09.0681, PP. 73-80

Keywords: 动力子结构试验,算子分解法,稳定性,精度,显式方法

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Abstract:

该文在标准算子分解法(OS法)的基础上提出加速度附加假定,使其变为考虑试件质量的动力子结构试验OS法。分析了动力子结构试验OS法的稳定性,并进行了数值仿真分析。研究结果表明:1)通过引入加速度附加假定,使动力子结构试验OS法变为一种显式方法;2)动力子结构试验OS法的稳定性分析结果表明,对于纯质量试件,当质量比不大于1时为条件稳定算法,对于质量比大于1时为不稳定算法。

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