Problem Description
This example is Problem 9 from the ASME 1972 Program Verification and Qualification Library (reference ASME 1972). A three-dimensional, fixed-base cooling tower is analyzed for an asymmetrical wind pressure loading. Radial displacements over the height of the tower are compared with published results.
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Elevation Z (ft) | Output Parameter | OpenBrIM | Sap2000 | Independent | Percent Difference (SAP2000 vs Independent) | Percent Difference (OpenBrIM vs Independent) |
|---|---|---|---|---|---|---|
| 60 | Ux(jt 18) ft | -0.2501 | -0.276 | -0.26 | 4%6.154% | 3.81% |
| 45 | Ux(jt 17) ft | -0.2928 | -0.325 | -0.31 | 3%4.839% | 5.55% |
| 30 | Ux(jt 16) ft | -0.3357 | -0.366 | -0.35 | 4%4.571% | 4.09% |
| 15 | Ux(jt 15) ft | -0.3677 | -0.397 | -0.39 | 2%1.795% | 5.72% |
| 0 | Ux(jt 14) ft | -0.3899 | -0.416 | -0.41 | 1%1.463% | 4.90% |
| -10 | Ux(jt 13) ft | -0.3982 | -0.423 | -0.42 | 1%0.714% | 5.19% |
| -25 | Ux(jt 12) ft | -0.3997 | -0.423 | -0.43 | -2%1.628% | 7.05% |
| -50 | Ux(jt 11) ft | -0.3802 | -0.400 | -0.41 | -2%2.439% | 7.27% |
| -75 | Ux(jt 10) ft | -0.3391 | -0.355 | -0.37 | -3%4.054% | 8.35% |
| -100 | Ux(jt 9) ft | -0.2849 | -0.297 | -0.31 | -3%4.194% | 8.10% |
| -125 | Ux(jt 8) ft | -0.226 | -0.235 | -0.25 | -3%6% | 9.60% |
| -150 | Ux(jt 7) ft | -0.1695 | -0.176 | -0.18 | -1%2.222% | 5.83% |
| -175 | Ux(jt 6) ft | -0.1195 | -0.124 | -0.13 | -1%4.615% | 8.08% |
| -200 | Ux(jt 5) ft | -0.0785 | -0.081 | -0.08 | 0%1.25% | 1.88% |
| -225 | Ux(jt 4) ft | -0.0472 | -0.048 | -0.05 | 0%-4% | 5.60% |
| -250 | Ux(jt 3) ft | -0.0267 | -0.028 | -0.02 | 2%40% | -33.50% |
| -260 | Ux(jt 2) ft | -0.0162 | -0.016 | -0.01 | 1%60% | -62.00% |
| -270 | Ux(jt 1) ft | 0.0000 | 0.000 | 0.00 | 0% | 0 |
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