起重机进行疲劳分析

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1、对该起重机进行疲劳分析其载荷为最大载重63吨（如图1）,信号采用正弦sin曲线（如图2所示），SN曲线釆用国际焊接协会（IIW）推荐的焊缝结构321号焊缝（如图3所示），其寿命评估利用关键平血法。2$Jpe討0«WOctPtot^&fc世o<矽bnQj也昼］创⑥@1创窘"A05TO如savf.cbI回丿#$quttfcwmrphILfcLISTNODALFORCESFORSELECTEDMODES1TOBY1CURRENTLYSELECTEDHOIMl.IXMDSET=FXFYPZHZ灿&UM宜回MXHY®1QPreferenceEP»eproce«orE)flcmentType

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