面向飞机各设计阶段考虑静气动弹性效应的面元法飞行载荷分析方法

针对现代飞机设计对于高效率、高精度飞行载荷分析的迫切需求，建立了面向飞机各设计阶段考虑静气动弹性效应的面元法飞行载荷分析方法，并以此为基础构建了飞机各设计阶段气动弹性优化框架，以加快各阶段的迭代，提高设计效率.概念设计阶段的气动力分析采用低阶面元法，可适应该阶段为确定气动外形参数范围所需的大量计算.初步设计阶段采用高阶面元法开展气动力分析，以兼顾求解精度和效率的需求.详细设计阶段的飞行载荷分析方法在基本面元法的基础上引入了外部高精度CFD气动力或试验气动力，以进一步提高飞行载荷的精度并兼顾求解效率.研究结果表明，所建立考虑静气动弹性效应的面元法飞行载荷分析方法具有较强的工程实用性，可以满足现代飞机各个设计阶段的需要. 

Flight Load Analysis Based on Panel Method Considering Static Aeroelastic Effects for the Design Process of Airplane

The flight load analysis in modern airplane design demands high precision and high efficiency. The flight load analysis based on the panel methods considering static aeroelastic effects was presented, which was utilized to perform the aeroelastic optimization in the design process of an airplane for rapid iteration. The low-order panel method was employed in the conceptual design to analyze the aerodynamic force, which was suitable for the extensive computation in searching the optimal aerodynamic shape. The preliminary design utilized the high-order panel method for aerodynamic analysis to guarantee precision and efficiency simultaneously. The detailed design introduced CFD or test data as extra aerodynamic forces to improve the precision of the basic panel method and maintain efficiency. The research indicates that the flight analysis based on the panel methods considering static aeroelastic effects is applicable to engineering and can satisfy the design process of modern airplanes.