Theory
How many of the lowest modes are wanted. Modes above the sweep's highest frequency are left out, so fewer can be found.
Equations
(1)
| where | meaning | unit |
|---|---|---|
| Stiffness and mass of the system | various | |
| Mode shape | - | |
| Angular eigenfrequency | rad/s |
Default and rule
- Default
- 20
- Rule
20.
Valid range 1 to 60
Range
1 to 60.