1. Weekly Report Sept. 19 th -Sept. 23 rd Federico Viscarra Sept. 23 rd, 2011 Davila research group

2. Diatoms Amorphous silica shell Micro body nano pores Fragilariopsis Kerguelensis Hamm et. al. 2

3. Goals for the Week Run tests on COMSOL v4.2 Display results in more organized fashion 3

4. Results Ran test on all models Created graphs of: – Von Mises Stress (VMS) vs. Diameter – VMS vs. # of pores – Displacement vs. Diameter – Displacement vs. # of pores 4

5. Simulations Model# of runsVon Mises Stress (Pa) Base51.9521E9 Centric 2D51.8895E9 Centric 3D51.0069E9 Centric 4D54.4311E9 Horizontal 2D51.6659E9 Horizontal 3D52.7245E9 Horizontal 4D57.7899E10 Vertical 3 pores 2D54.918E9 Vertical 3 pores 3D54.999E9 Vertical 3 pores 4D51.4047E10 Vertical 5 pores 2D54.7875E9 Vertical 5 pores 3D52.4692E10 Vertical 5 pores 4D57.756E9 5

6. VMS vs. Diameter 6

7. VMS vs. # of pores 7

8. Displacement vs. Diameter 8

9. Displacement vs. # of pores 9

10. Thank you Any questions or comments? 10