1 ELT Project data Title: ELT-DS Technology development programme towards a European Extremely Large Telescope Project type: European Commission, FP6 Reference:

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Presentation transcript:

1 ELT Project data Title: ELT-DS Technology development programme towards a European Extremely Large Telescope Project type: European Commission, FP6 Reference: Proposal No , FP Infrast-4 Period: 01/01/ /11/2008 Collaborators: Daniel Pérez, Christian Muñoz

2 Objectives To model turbulent air flow around telescope enclosures To compute pressure spectra To compute turbulent parameters (integral length and integral time) These ingredients are essential to quantify the optical quality of a site

3 Key numerical ingredients Stabilized finite element method LES turbulence model Statistical CFD data treatment

4 Results I

5 Results II

6 Results III