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多层结构能量计算的振型分解方法
引用本文:翟希梅,吴知丰.多层结构能量计算的振型分解方法[J].哈尔滨工业大学学报,1998,30(1):121-124.
作者姓名:翟希梅  吴知丰
作者单位:哈尔滨工业大学建筑工程系工民建教研室
摘    要:提出了用等效单自由度体系代替多自由度体系的方法,以便简化计算结果滞回能与地震输入能,并对多自由义体系及其相应的简化体系进行了能量的计算与比较,所得的两种体系下的能量较好的吻合。

关 键 词:振型分解  滞回耗能  多层结构  抗震设计  能量计算

The Method of Mode Decomposition for the Multi-story Structure's Energy
Zhai Ximei Wu Zhifeng.The Method of Mode Decomposition for the Multi-story Structure's Energy[J].Journal of Harbin Institute of Technology,1998,30(1):121-124.
Authors:Zhai Ximei Wu Zhifeng
Affiliation:Dept. of Civil Engineering
Abstract:This paper presents a method of mode decomposition, which equivalently substitutes multi-degree-of-freedom with single-degree-of-freedom about the hysteretic energy and seismic input energy. Through the calculation .and comparison with the multi-degree-of-freedom system and its simplified system, a more satisfactory result is clearly gotten. This work provides a convenient approach for calculating the structure's energy, and also provides a useful and practical method of energy for investigating the damage of structure.
Keywords:Method of mode decomposition  hysteretic energy  seismic input energy: damage  
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