| 大型框架式汽机基础二层隔振平台耦合振动数值分析 |
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| 作者单位： | 西北电力设计院，国网北京电力建设研究院 |
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| 摘 要： | 以某工程1000 MW框架式汽机基础为例,运用大型有限元分析软件ANSYS建立该基础的数值模型,通过对不同方案的计算结果进行分析对比,来探讨二层隔振平台与基础耦合分析时对结构动力特性的影响.
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| 关 键 词： | 隔振平台 耦合 模态分析 强迫振动响应分析 |
Numerical analysis of coupled vibration of large-scale turbo-generator foundation with second layer isolation platform |
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| SHI Hongwei,DAI Zebing,LIU Baoquan. Numerical analysis of coupled vibration of large-scale turbo-generator foundation with second layer isolation platform[J]. Engineering Journal of Wuhan University, 2008, 0(Z1) |
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| Authors: | SHI Hongwei DAI Zebing LIU Baoquan |
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| Affiliation: | SHI Hongwei1,DAI Zebing2,LIU Baoquan1 |
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| Abstract: | By using large-scale finite element analysis software ANSYS to establish the numerical model of 1 000 MW turbo-generator foundation,and then the modal analysis and forced vibration response analysis of different models are carried out.Finally,the influence of isolation platforms on the whole structure dynamic performance is discussed. |
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| Keywords: | isolation platform coupling modal analysis forced vibration response analysis |
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