Problem Description
...
- Eigenvalue analysis using shell elements
- Area object mass assignment
- Area object automatic mesh
- Area object stiffness modifiers
App
Object
...
Link: https://openbrim.org/
...
Object B Link: https://openbrim.org/objidkusi12m0d890d3o9wa2ps36.project
...
objid4wv0oszhepsj0zorf2nekc.project
Library
Object
...
Link: https://openbrim.org/
...
Object B Link: https://openbrim.org/objid6ms3y5gkek7i19ev7bqsy.libobj
...
objideervl2sm7suxesuxvm2dec.libobj
| Output Parameter | Model and Mesh | OpenBrIM | SAP2000 | Independent | Percent Difference (SAP2000 vs Independent) | Percent Difference (OpenBrIM vs Independent) |
|---|---|---|---|---|---|---|
Period Mode 1 (sec) | A 10 x 10 | 0.01743 | 0.01743 | 0.01723 | +1.2% | 1.16% |
| B 20 x 20 | 0.01737 | 0.01737 | +0.8% | 0.81% | ||
| C 40 x 40 | 0.01735 | 0.01735 | +0.7% | 0.70% | ||
Period Mode 2 (sec) | A 10 x 10 | 0.00717 | 0.00717 | 0.00704 | +1.8% | 1.85% |
| B 20 x 20 | 0.00710 | 0.00710 | +0.9% | 0.85% | ||
| C 40 x 40 | 0.00708 | 0.00708 | +0.6% | 0.57% | ||
Period Mode 3 (sec) | A 10 x 10 | 0.00288 | 0.00288 | 0.00281 | +2.5% | 2.49% |
| B 20 x 20 | 0.00284 | 0.00284 | +1.1% | 1.07% | ||
| C 40 x 40 | 0.00283 | 0.00283 | +0.7% | 0.71% | ||
Period Mode 4 (sec) | A 10 x 10 | 0.00228 | 0.00228 | 0.00219 | +4.1% | 4.10% |
| B 20 x 20 | 0.00223 | 0.00223 | +1.8% | 1.83% | ||
| C 40 x 40 | 0.00222 | 0.00222 | +1.4% | 1.37% | ||
Period Mode 5 (sec) | A 10 x 10 | 0.00200 | 0.00200 | 0.00193 | +3.6% | 3.63% |
| B 20 x 20 | 0.00196 | 0.00196 | +1.6% | 1.55% | ||
| C 40 x 40 | 0.00195 | 0.00195 | +1.0% | 1.04% |