A parallel integrated model of the Euro50

被引：9
|
作者：
Andersen, T [1 ]
Enmark, A [1 ]
Moraru, D [1 ]
Fan, CY [1 ]
Owner-Petersen, M [1 ]
Riewaldt, H [1 ]
Browne, M [1 ]
Shearer, A [1 ]
机构：
[1] Lund Observ, S-22100 Lund, Sweden
来源：
MODELING AND SYSTEMS ENGINEERING FOR ASTRONOMY | 2004年 / 5497卷
关键词：
Euro50; extremely large telescope; adaptive optics; live optics; segmented primary mirror; integrated model;
D O I：
10.1117/12.551872
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Euro50 is an astronomical extremely large telescope for optical and infrared wavelength with a 50 m primary mirror. The telescope will have an elaborate control system ("live optics") to correct for atmospheric and telescope aberrations. To study and predict performance of the complete telescope system, an integrated model combining the structural model of the telescope, optics models, the control systems, and the adaptive optics has been established. Wind is taken into account on the basis of wind tunnel measurements and computer fluid dynamics calculations. Atmospheric aberrations are included using a seven-layer atmosphere model. The integrated model is written in Matlab and is run on a cluster computer to achieve acceptable execution times. Dedicated ordinary differential equation solvers have been written and a special toolkit for communication between Matlab processes on different nodes of the cluster computer has been set up. Preliminary results from the complete integrated model, including adaptive optics, are shown.
引用
收藏
页码：251 / 265
页数：15
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