ANSYS simulations For the Extremity Blank Flanges Supports

1. ANSYS simulations For the Extremity Blank Flanges Supports Nick Gazis, CERN-BE/RF & NTU-Athens

2. Models * * Extremity Blank Flanges Supports Nick Gazis, CERN-BE/RF & NTU-Athens

3. Models * * Extremity Blank Flanges Supports Extremity Blank Flange and Vacuum Gauge Extremity Blank Flange Support Nick Gazis, CERN-BE/RF & NTU-Athens

4. Boundary Conditions • Ext: –Fixed Support– (0/6 DoF) • NO: transposition (0 DoF) along • NO: rotation (0 DoF) around • ADB: –Sliding Support– (1/6 DoF) • YES: transposition (1 DoF) along • NO: rotation (0 DoF) around • NO: transposition (0 DoF) along • NO: rotation (0 DoF) around • BDB: –Fixed Support– (0/6 DoF) • NO: transposition (0 DoF) along • NO: rotation (0 DoF) around • CDB: –Sliding Support– (1/6 DoF) • YES: transposition (1 DoF) along • NO: rotation (0 DoF) around • NO: transposition (0 DoF) along • NO: rotation (0 DoF) around • Q1DB: –Fixed Support– (0/6 DoF) • NO: transposition (0 DoF) along • NO: rotation (0 DoF) aroun x, y & z axes • Index PETS z axis x, y axes ADB BDB CDB Q1DB Ext x, y & z axes z axis x, y axes Q1DB x, y & z axes CDB BDB • Boundary Conditions: • Gravity; • Vacuum: Pressure Load (ΔP=1 bar); • Thermal loading for the PETS (ΔT=10°C); • Thermal loading for the • DB-Quads (ΔT=5K). ADB • Case Study: • Extremity blank flanges supports material: Stainless Steel Ext Nick Gazis, CERN-BE/RF & NTU-Athens

5. Results Max Stress <45 MPa Max Deformation <60 μm Nick Gazis, CERN-BE/RF & NTU-Athens

6. Thank you! Nick Gazis, CERN-BE/RF & NTU-Athens Nick Gazis, CERN-BE/RF & NTU-Athens 6

7. CLIC Two-Beam Module DB Girder • Subassembly Models Supplementary Slide Nick Gazis, CERN-BE/RF & NTU-Athens