Many products can be subjected to vibration and shock loads like loads like earthquakes, road conditions etc. Often there is a regulatory demand to show compliance with these vibrations against certain design codes and standards. Depending on size and complexity of the load it may be both expensive and time consuming to perform a test of the product or component.
There can be very easily done in software like Nastran In-CAD which can provide pass or failure criteria very quickly. In addition to this Nastran In-CAD also can provide comprehensive results including safety margins, critical areas of high stress and more importantly will assist you in better understanding your designs.
Symetri can help you via consultancy in the event you are under tight timescales.