1. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure1 PACS FPFPU Thermal and Structure Analysis Dr. G. Wanderer CASE GmbH

2. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure2 FPFPU Housing: Thermal and Structure Analysis Thermal Model Thermal Analysis FE-Model Eigenfrequencies / Eigenmodes Sine- and Random Response

3. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure3

4. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure4 Spectrometer Operation

5. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure5 Photometer Operation

6. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure6 PACS Cool-Down

7. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure7 PACS Photometer Recycling (120 min. average dissipation)

8. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure8 PACS Photometer Recycling (10 min. peak dissipation)

9. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure9 PACS Photometer Recycling (10 min. peak dissipation)

10. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure10 FE-Model FE-Model for NASTRAN V70.7 Approx. 30000 Nodes each part of FPU-housing is separat model structural connection by RBE2 or CELAS at bolt positions (coupling only displacements) Plate element used for large surfaces additional volume elements at stiffened regions

11. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure11

12. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure12

13. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure13

14. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure14 Eigenfrequencies and Effective Masses of current design

15. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure15

16. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure16

17. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure17 Response Analysis Damping for response analysis: 2% structural (Q=50) Sine Vibration Level (Qual.): Longitudinal (Z in FEM) 5 - 40 Hz: 20g, 40 - 100 Hz 10 g Lateral (XY in FEM) 5 - 100 Hz: 14 g Random Vibration Level (Qual.): 20 - 100 Hz +6 db/Oct 100 - 300 Hz 0,05g 2 /Hz 300 - 2000 Hz -6 db/Oct

18. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure18 Response at Chopper, Sine X, 1g Response in XResponse in Y

19. PACS IIDR 01/02 Mar 2001 PACS Thermal/Structure19 Response at Chopper, Random Qualification X Response in XResponse in Y