论文部分内容阅读
本文对气动弹性自动设计的现状作了综述和估价。出现在文献中的大多数气动弹性设计研究都谈及颤振问题,因此,本文也集中在颤振问题上。颤振设计问题分为三种情况:一是只有一个颤振模态,二是有几个相邻的颤振模态,三是有一个驼峰模态(该模态可能上升并因此使颤振速度产生突然的、不连续的变化)。文中还提出了几个适合于解决不同程度的难题的综合方法。对当前几个可能导致更有效、更有力和更通用的设计程序趋势,作了讨论。文中强调了近似分析方法以及同时考虑多个设计要求的必要性。
In this paper, the status quo of aeroelasticity automatic design is reviewed and evaluated. Most of the aeroelastic design studies that appear in the literature deal with flutter problems, so this article also focuses on flutter problems. There are three cases of flutter design problems: one is that there is only one flutter mode, the other is that there are several adjacent flutter modes, and the third is a hump mode (this mode may rise and thus cause flutter Speed produces sudden, discontinuous changes). The article also proposed several suitable methods to solve different levels of problems. Discussions were made on the current trends that could lead to more effective, robust and versatile design processes. The paper emphasizes the necessity of approximating analytical methods and considering multiple design requirements simultaneously.