一种简支式光学矩形保护窗口强度的通用计算方法研究

Unviversal Computing Method for Simple-Supported Rectangular Optical Protective Window Strength

光学窗口的强度分析是光电设备设计的重要依据,而现有文献中只提供材料泊松比为0.3的简化的计算公式,而针对不同泊松比的简支矩形板强度原始计算公式以复杂的级数形式表示不方便直接应用,为了方便设计者得到准确的强度理论分析结果,提供了一种简单的方法推导出适用于不同泊松比的简支式矩形保护窗口的强度简化计算公式,并验证了该方法推导出的简化公式的准确性。

The strength analysis of the optical windows is the important basic for the design of the electro-optical device. The common literatures merely provide the predigested computed formula which the Poisson＇s ratio is 0. 3. The simple-supported rectangular board＇s intension computation formula for the different Poisson＇s ratio is too complicated to use directly because the formula is figured by the progression series. In order to gain the exact intension theory analyse result, the simple method is provided to deduce the predigested strength computed formula for the simple-supported rectangular protective window with the different poisson＇s ratio, and the veracity of the method is validated.