基于等效板的含离散源损伤机翼结构分析

Structural Analysis of Wing With Discrete Source Damage Based on Method of Equivalent Plate

研究离散源损伤对机翼结构的影响,可以大幅度提高飞机在不良损伤事故下的生存能力。由于机翼内部结构复杂,很难对含离散源损伤机翼结构进行精确分析,而且精确的建模和仿真在建模与计算过程中往往也非常耗时。因此,以含离散源损伤机翼为对象,采用有限元优化设计方法,确立了一种机翼结构等效板模型的建模方法。建立的等效板模型可对含离散源损伤机翼实现快速、准确的静力学和动力学分析。

The study of the influence of the discrete source damage on the wing structure can greatly improve the survivability of the aircraft under bad injury. Due to the complexity of the inner structure of wing, it is difficult to analyze the wing structure with discrete source damage accurately; what＇s more, precise modeling and simulation is often very time- consuming in the process of modeling and calculation. Therefore, in this paper, the object of study is the wing with the discrete source damage; and the author establishes the modeling method of the equivalent plate model of the wing structure. More importantly, the establishment of the model of the equivalent plate can realize the rapid and precise analysis of the wing with the discrete source damage in statics and dynamics.