New Method of Individual Modal Response Combination in Nuclear Power Plants
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摘要: 介绍了新版RG1.92导则推荐采用的核电厂中系统、结构和部件(SSCs)地震反应谱分析所用的单向模态组合的新方法,利用ANSYS程序自带的APDL语言的可编程特性编制了相应的程序,实现了模态反应新组合方法的应用。根据编制的程序对某一管道进行了计算,并将计算结果与完整的二次组合法(CQC组合法)及双倍和组合法(DSUM)的计算结果进行了对比。结果表明,本文编制的程序是合理的。Abstract: This paper introduced the recommended combination methods of individual modal response for nuclear power plant systems,structures and components（SSCs） defined in RG1.92 Rev.2.Also,this paper developed a new APDL macro of ANSYS based on the recommended combination method,and performed a piping example with this macro and compared the results with those obtained from CQC and DSUM methods.The results indicated that the macro this paper developed according to RG1.92 Rev.2 was reasonable.
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