Now , it is important to develop the composite blade researching , two measures including analysis methodology and finite methodology are provided . in this text , the finite rotation composite beam theory developed by hodges and his co - workers , during the late 1980 ' s , is adopted in order to research rotor of helicopter . a liner and two - dimension finite analytic measure is used to calculate the section characteristic and strain of the blade ; a semianalysis methodology is used to calculate the sensitive degree of section characteristic 以giavotto的線性二維有限元分析模型為基礎(chǔ)考慮了復(fù)合材料槳葉的結(jié)構(gòu)和變形特點(diǎn),計(jì)入了剖面翹曲的影響,在此基礎(chǔ)上編制了具有八節(jié)點(diǎn)等參元復(fù)合材料槳葉剖面剛度計(jì)算的有限元程序,分析計(jì)算了復(fù)合材料梁的剖面剛度、彎曲中心、剪切中心;并利用半解析法進(jìn)行剖面剛度、剪切中心、彎曲中心的參數(shù)靈敏度分析。