歼击机进气道结构强度设计方法研究

Air Inlet Structural Strength Design Method

重点介绍了基于几何非线性和总体-局部(GLOBAL-LOCAL)求解策略的进气道结构强度仿真分析技术,以此技术建立先进的进气道结构强度设计方法。该方法精度高,工程实用性强。该方法对现代歼击机进气道结构设计能够大幅度提高进气道结构强度品质,降低设计成本,提高设计一次成功率。给出了应用实例。

Air inlet structure design is essential for fighter to ensure the safety and usage cost control during the whole life.The air inlet structure strength simulation analysis technology based on geometrical nonlinearity and globle-local strategy of solution is emphasized.It is verified via an example that the method enables to improve the quality of air inlet structural strength and the success probability of first time with lower cost.