壓力容器鋼中包欣格效應(yīng)的有限元分析 finite element investigation of bauschinger effect in high-strength apressure vessel steel
行波接觸型超聲波電機定子振動有限元分析 fem analysis on stator vibration of traveling wave type contact ultrasonic motor
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In this paper we analyze the revolver of the curve revolving around the straight line , discuss the calculations of the area and volume of the revolver , get two integral formulas of the calculations of the area and volume , and illustrate the application of the formulas with examples 摘要針對數(shù)學(xué)分析中平面上曲線繞平面上任意直線旋轉(zhuǎn)一周而形成的旋轉(zhuǎn)體進行分析研究,運用微元分析法,對旋轉(zhuǎn)體體積及旋轉(zhuǎn)體與過該直線的截平面相交所得面積進行討論,得到相應(yīng)的積分公式,并舉例說明公式的應(yīng)用。