Hi! Do you know anyone who ever broke a wing in a tube specifically due to its divergence and got it on video? Cause I guess on the video I see an appearance of flutter at speeds that are almost equal to critical flutter speed I mean, its basically wing overbend, but still..
Hey Look for a video called Flutter at a glance, bunch of videos from NASA wind tunnels, there you can see things break. In the current video you see the wing fluttering beyond the linear flutter limit, hence the LCO.
By anti node do you mean the max deflection point? Adding mass w/o stiffness will lower the flutter speed, potentially adding more complex modes of vibration. It's easy to check with basic FE code and ZAERO
@@danilevin868 Thank @ Dani Levin. I was under the hope, if adding mass can damp energy received by the structure from air and increased flutter speed. Can you please share some literature in support, so that I ll understand the physics of it correctly. Please bare with me, I am a beginner in aeroelasticity.
wonderful!
Hi! Do you know anyone who ever broke a wing in a tube specifically due to its divergence and got it on video? Cause I guess on the video I see an appearance of flutter at speeds that are almost equal to critical flutter speed
I mean, its basically wing overbend, but still..
Hey
Look for a video called Flutter at a glance, bunch of videos from NASA wind tunnels, there you can see things break.
In the current video you see the wing fluttering beyond the linear flutter limit, hence the LCO.
@@danilevin868 I appreciate
What effect can adding a mass(for example, engine) at the anti-node of that mode of vibration have? Please explain.
By anti node do you mean the max deflection point? Adding mass w/o stiffness will lower the flutter speed, potentially adding more complex modes of vibration. It's easy to check with basic FE code and ZAERO
@@danilevin868 Thank @ Dani Levin. I was under the hope, if adding mass can damp energy received by the structure from air and increased flutter speed. Can you please share some literature in support, so that I ll understand the physics of it correctly. Please bare with me, I am a beginner in aeroelasticity.
@@vijayreddy5728 you can start by watching the Aeroelasticity lecture series on my channel.