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The keys to a successful ground vibration test - congratulations, Airbus!

Siemens Visionary Siemens Visionary
Siemens Visionary

On June 7, 2018, Airbus announced the successful completion of the ground vibration test of the BelugaXL next-generation oversize cargo airlifter.  

 

That’s the kind of success story we love. Even if you’re not an aviation expert, you will be fascinated by the sight of the giant structure, its long fins and large turbines that quiver under the loading from the shakers.

 

Watch below the video realized by Airbus during the ground vibration test:

 

 

The hard facts speak for themselves: 80-kilogram shakers were used to excite the airplane on 30 different locations. More than 600 sensors, 7000 meters of cable and 300 meters of optical fibers were installed on the fuselage, empennage, engines, and wings.

 

The test itself lasted only 8 days.

 

BELUGAXL-ground-vibration-test_03_xl.jpg

 

Being a novice in the field, I asked Simcenter expert Raphael Hallez to share his views on this success and give us some keys to a highly effective ground vibration test (GVT):

 

 “I perceive the good team collaboration between Airbus, DLR, and ONERA as the first positive element in this successful test campaign,” says Hallez. “It is clear that the joined expertise from companies like DLR and ONERA contribute to the smooth execution of a large project like this complex GVT.”

 

“Second, I’ll mention the modularity and reliability of the systems employed to acquire the numerous datasets. DLR and ONERA had the possibility to assemble multiple single data acquisition systems into one very high channel-count system with 600+ acquisition channels, all perfectly synchronized. That’s an impressive setup and performance!”

 

“Last, I admire the great productivity of the team on-site: the tailor-made GVT acquisition and processing system has allowed identifying all critical resonant modes of the aircraft in a very limited time (8 days).”

 

For more information on the BelugaXL’s GVT, read here the press release published by Airbus and here the press release of DLR and ONERA.

 

How do you perform critical ground vibration tests on time, efficiently and reliably to support aircraft certification? Join us at our live webinar on June 27th and learn how to roll-out an integrated approach to GVT. The webinar is hosted by Raphael Hallez with the collaboration of Mr. Arne Vollan from Aerofem GmbH. During this event, we will share the results of ground vibration tests performed on some light commercial aircraft and on the solar impulse aircraft among others.

 

Click here to register to the webinar.

 

Eager to join a team for a real-life GVT?

 

Come and join us at the Simcenter GVT Master Class Europe to learn and experience more about the Simcenter approach to a successful GVT. This unique 4-day event will cover in detail the challenges and modern solutions for dynamic testing of full aircraft structures on an actual F16 aircraft.

 

When? September 11-14, 2018

Where? Sint-Truiden and Leuven, Belgium

 

Access here the registration page to the Simcenter GVT Master Class Europe 2018.