What happens when a component is accidentally excited at its natural frequency during operation? In reality, this can result in unwanted resonances, excessive sound radiation – or even damage.
Initial situation & relevance
Modern machines and vehicles consist of complex structures whose dynamic behavior must be taken into account during development. Early insights based on natural frequencies, modal parameters, and transmission behavior enable targeted optimization of components in terms of vibration comfort, noise emissions, and operational safety.
Challenge
In practice, noise is often caused by unwanted resonances, which can arise, for example, through the coupling of natural frequencies. Without targeted analysis, this can lead to undesirable effects – with consequences for product quality, customer satisfaction, and maintenance costs. A systematic approach to vibration diagnosis is particularly important for chassis components, machine carriers, and housings.
⭐️ Key Features
- Support for SIMO and MIMO measurement configurations
- Determination and display of FRFs by magnitude, phase, and coherence
- 3D animation of modal and operational vibration modes
- Export as images or movie sequences for reports and presentations
- Integration of TPA and OTPA analyses with matrix inversion or operating data
- Compatibility with FE models for validation
✅Conclusion
Structural dynamic analyses with PAK enable targeted, efficient, and well-founded evaluation of the vibroacoustic behavior of technical structures. The identification of resonance problems and the optimization of structural properties contribute significantly to the quality, acoustics, and longevity of a product—and thus secure competitive advantages in development.
to learn how structural dynamics investigations with PAK can support your vibration and resonance analysis tasks.
