5. In an FEA simulation, you did a mesh independence study. The results were compared with an experimental test and errors were plotted in Figure 7. a) Is the mesh with 8000 elements fine enough, and why? b) Is there another error source in the simulation and what type of errors could it be?

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5. In an FEA simulation, you did a mesh independence study. The results were compared
with an experimental test and errors were plotted in Figure 7.
a) Is the mesh with 8000 elements fine enough, and why?
b) Is there another error source in the simulation and what type of errors could it be?
Page 3 of 6
ENGG20071 Industrial Design & Product Case Studies
Errors
60%
50%
40%
30%
20%
10%
0%
500
1000
2000
4000 8000
Figure 7 Errors plot against number of elements
Transcribed Image Text:5. In an FEA simulation, you did a mesh independence study. The results were compared with an experimental test and errors were plotted in Figure 7. a) Is the mesh with 8000 elements fine enough, and why? b) Is there another error source in the simulation and what type of errors could it be? Page 3 of 6 ENGG20071 Industrial Design & Product Case Studies Errors 60% 50% 40% 30% 20% 10% 0% 500 1000 2000 4000 8000 Figure 7 Errors plot against number of elements
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