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.
采用Ansys软件对复合材料夹层结构翼形件进行了有限元模态分析和研究，给出了翼形件的前5阶固有频率和振型。
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。
The variational of finite element method(FEM) using the pseudo-potential function is presented to design the airfoil shape of transonic rotational flows.
本文运用赝势函数变域变分有限元方法进行了跨音速翼型设计。
The icing problem affect the flight safety of aircraft, to explore the icing effect on aerodynamic performance for multi-element airfoil is very important.
飞机结冰是影响飞机飞行安全的重要因素之一，研究结冰对多段翼型的气动特性影响具有重要意义。
Choosing typical three element airfoil and based on numerical simulation method, the feasibility of MINI-TED to improve aerodynamic performance of high lift system is studied.
以典型三段翼型为对象，采用数值模拟方法，研究了在襟翼上增加微型后缘装置提高增升装置效率的可行性；
Choosing typical three element airfoil and based on numerical simulation method, the feasibility of MINI-TED to improve aerodynamic performance of high lift system is studied.
以典型三段翼型为对象，采用数值模拟方法，研究了在襟翼上增加微型后缘装置提高增升装置效率的可行性；
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