Equations of motion for non-proportionally damped structures cannot be decoupled by using the real normal modes. For such structures, the complex normal modes are in common use for this purpose, but for the validation of finite element mass and stiffness matrices where physical damping matrices are
β¦ LIBER β¦
Extraction of Normal Modes and Full Modal Damping from Complex Modal Parameters
β Scribed by Peterson, L. D.; Park, K. C.; Alvin, K. F.
- Book ID
- 121424704
- Publisher
- American Institute of Aeronautics and Astronautics
- Year
- 1997
- Tongue
- English
- Weight
- 262 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0001-1452
- DOI
- 10.2514/2.212
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