ATST

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ATST

• Project data
• Title Análisis numérico para determinar la
  localización del telescopio ATST
• Company Instituto de Astrofísica de Canarias
• Period 01/05/2005 - 31/07/2005
• Collaborators Joan Baiges, Daniel Pérez

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• 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

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

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Results I
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Results II
Pressures. East wind of 1 m/s.
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Results III
Velocity norm. East wind of 1 m/s.
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Results IV
Velocity vectors. East wind of Vent 1 m/s.
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Results V
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Results VI