Table 3.
Results of the mesh and convergence studies.
| FE model | Analyzed wind speed | Total brick elements | Number of divisions in the FE model | Brick size | Brick aspect ratio | Time to process the FE model | Max axial stress | Top/middle node displacements | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no. | (m/s) |
Radially (R) |
Axially (L) |
Peripherally (P) |
(R) (mm) |
(L) (mm) |
(P) (mm) |
(P/R) | (L/R) | (L/P) | (MPa) |
Wind direction (mm) |
Vertical direction (mm) |
||
| 1 | 60 | 2100 | 15 | 10 | 14 | 10.53 | 2500.00 | 70.91 | 6.7 | 237.3 | 35.3 | 11 s | 17.08 | 4473.68 | 508.59 |
| 2 | 60 | 4200 | 15 | 20 | 14 | 10.53 | 1250.00 | 70.91 | 6.7 | 118.7 | 17.6 | 46 s | 44.50 | 11,274.95 | 3521.02 |
| 3 | 60 | 8400 | 15 | 40 | 14 | 10.53 | 625.00 | 70.91 | 6.7 | 59.3 | 8.8 | 3 min 40 s | 68.05 | 15,907.14 | 8097.57 |
| 4 | 60 | 21,600 | 15 | 80 | 18 | 10.53 | 312.50 | 55.15 | 5.2 | 29.7 | 5.7 | 17 min 51 s | 77.87 | 17,232.41 | 10,330.57 |
| 5 | 60 | 43,200 | 15 | 160 | 18 | 10.53 | 156.25 | 55.15 | 5.2 | 14.8 | 2.8 | 44 min 34 s | 80.19 | 17,602.04 | 10,717.32 |
| 6 | 60 | 54,000 | 15 | 200 | 18 | 10.53 | 125.00 | 55.15 | 5.2 | 11.9 | 2.3 | 57 min 51 s | 80.45 | 17,745.97 | 10,818.48 |
| 7* | 60 | 64,800 | 15 | 240 | 18 | 10.53 | 104.17 | 55.15 | 5.2 | 9.9 | 1.9 | 1 h 15 min 57 s | 80.58 | 17,946.75 | 10,953.91 |
| 8 | 60 | 79,200 | 15 | 240 | 22 | 10.53 | 104.17 | 45.12 | 4.3 | 9.9 | 2.3 | 3 h 30 min 3 s | 80.60 | 17,978.32 | 11,092.49 |
*
Highlighted (Bold) results corresponding to the most appropriate cocowood FE model for this study.