單自由度機(jī)械系統(tǒng)動(dòng)力學(xué)-文庫(kù)吧
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【正文】 ther worries nor fears.” 15 根據(jù)能量相等的原則得： 16 17 等效構(gòu)件的運(yùn)動(dòng)方程 以轉(zhuǎn)動(dòng)構(gòu)件為例，由動(dòng)能定理得 積分形式運(yùn)動(dòng)方程對(duì)上式兩邊積分后可得為等效構(gòu)件動(dòng)能為瞬時(shí)功率即?????????????dMJJdMdtMJdJEMPw h e r edtMP d tdEWEeeeetteEEeeee??????????????212121212112122221221221)(18 微分形式運(yùn)動(dòng)方程即又eeeeeeeeeeeMdtdddJdtdJMdtdddJdtddtdJMdtdJdtdJMJdtd?????????????22122212221221)(????????????19 eeesseeeFdtdsdsdmdtsdmdsFvmvm?????????? ?22122211212222121同理，對(duì)于移動(dòng)構(gòu)件有20 ? ?jjsjsjjsjnjjjsjjejjsjsjnjjjsjjeeevva n dvw h er eJvmJsovvL etJvmJddJJ????????????????????????????????????????????????????****12*2***12201,，時(shí)，當(dāng)為速比。的數(shù)值計(jì)算和?????21 ?? ??????????njjjsjjeddJddvmddJ12*2*????? ??????????????????dddvdaw h e r eJavmddJddddavdvdvdvvdddvjjsjsjnjjjjsjsjjejjjjjsjsjsjsjsjsjsj****1********2*******2*,22222)(???????????????????????????22 jjjjsjsjsjsjddtdtdddaddtdtvddvda??????????????????******01????時(shí)，當(dāng)子曰：君子成人之美，不成人之惡。小人反是。 23 ? ??????njjjjsjsjje JavmddJ1****2 ?????? ?????njjjsjje JvmJ12*2* ?jjjjsjsjsjsjd
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