使用动态松弛法对直径4米光学镜的理论弹性变形
Theoretical Elastic Deformations of a 4-m Diameter Optical Mirror Using Dynamic Relaxation.
作者信息
Malvick A J, Pearson E T
出版信息
Appl Opt. 1968 Jun 1;7(6):1207-12. doi: 10.1364/AO.7.001207.
PMID:20068765
Abstract
This paper describes the results of an elastic analysis of a 4-m diam mirror. The mirror is solid quartz with a large central hole, flat back, and spherically dished front surface (f/2.75 system). We solved the three-dimensional elastic equations by a technique known as dynamic relaxation programmed for a digital computer. In this way, the resulting deformation of the optical surface is found for any proposed support system at any desired orientation of the mirror.
摘要
本文描述了对一面直径4米的镜子进行弹性分析的结果。该镜子是实心石英材质，有一个大的中心孔，背面平整，正面是球面凹陷（f/2.75系统）。我们通过一种称为动态松弛的技术对三维弹性方程进行编程，以便在数字计算机上求解。通过这种方式，可以找到在镜子的任何期望取向的任何提议支撑系统下光学表面产生的变形。
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