Units
Radioss has a built-in unit system for you to provide data in any consistent system.
To verify consistency, check that pressure = density x length2 / time2
Most popular units are (with steel examples):
| Length | Time | Stress | Mass | Force | Energy | Density | Young's Module | Gravity | Yield Stress |
|---|---|---|---|---|---|---|---|---|---|
| m | s | Pa | kg | N | J | 7.8e+03 | 2.1e+11 | 9.81e+00 | 2.06e+05 |
| mm | ms | MPa | g | N | mJ | 7.8e-03 | 2.1e+05 | 9.81e-03 | 2.06e+02 |
| mm | ms | GPa | kg | KN | J | 7.8e-06 | 2.1e+02 |
9.81e-03 |
2.06e-01 |
| mm | s | MPa | Mg (ton) | N | mJ | 7.8e-09 | 2.1e+05 | 9.81e+03 | 2.06e+02 |
| cm | micros | Mbar | g | 107N | 105J | 7.8e+00 | 2.1e+00 | 9.81e-10 | 2.06e-06 |