1 ATST Project data Title: Análisis numérico para determinar la localización del telescopio ATST Company: Instituto de Astrofísica de Canarias Period:

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Presentation transcript:

1 ATST Project data Title: Análisis numérico para determinar la localización del telescopio ATST Company: Instituto de Astrofísica de Canarias Period: 01/05/ /07/2005 Collaborators: Joan Baiges, Daniel Pérez

2 Objectives To model turbulent air flow around telescope enclosures To compute pressure spectra To compute turbulent parameters (integral length and integral time) To propose a numerical model to compute optical parameters of the site

3 Key numerical ingredients Stabilized finite element method LES turbulence model Statistical CFD data treatment Numerical integration procedures along light beams

4 Results I

5 Results II Pressures. East wind of 1 m/s.

6 Results III Velocity norm. East wind of 1 m/s.

7 Results IV Velocity vectors. East wind of Vent 1 m/s.

8 Results V

9 Results VI