The finite element modal analysis and research on composite sandwich airfoil parts is performed by ANSYS software. The top 5 inherent frequencies and vibration modes have been presented.
The transonic flow field around NACA 0012 airfoil is calculated by finite element method from pressure minimum integration, full potential equation being used.
本文采用压强极小积分有限元法计算了NACA 0012翼型的跨音速流场。出发方程为全速位方程。
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The variational of finite element method(FEM) using the pseudo-potential function is presented to design the airfoil shape of transonic rotational flows.