Vibroacoustic Simulation

13 Conclusions and Outlook

13.1 Conclusions

This book outlines many aspects of vibroacoustic simulation. We made the journey from lumped elements to distributed systems, from deterministic and random over to hybrid systems models. The idea was to present the full frequency portfolio of simulation methods but based on simple cases that are comprehensive but of practical relevance. It is clear that we had to stay with manageable systems and examples for clarity. Even the industrial cases in Chapter 12 can only provide some aspects of complex models.

The goal was to provide a comprising description of deterministic and random methods as far as the link between them, the hybrid FEM/SEA theory. To the author’s experience, most acousticians are exclusively focussing on one method. Or even worse, they claim that either deterministic or random methods are the best.

Hopefully after this lecture it becomes clear that there is no good or bad method. There is only an appropriate frequency range and sometimes – when the conditions of hybrid FEM/SEA methods are predominant – both approaches are required within one model.

However, for simple systems constructed by plates, cavities, and noise control treatment a complete toolbox is provided to perform simulation on such systems over the full audible frequency range. The code and libraries of the examples can be found on the author’s website: www.docpeiffer.com.

13.2 What Comes Next?

This textbook can cover only a part of the extensive subject ...