I'm here at the penultimate video of this lecture series. Thank you so much for these! These have been a part of my journey through my vibrations class and I'm quite grateful.
Professor Vandiver, thank you for a real world lecture on the Response of Two Degree of Freedom Systems by the Use of Transfer Functions. I took this class at the old Catonsville Community College in Catonsville, Maryland in 1985 and my professor was very bad. The professors at MIT are incredible. These lectures are of the learning charts.
its amazing to see how well he articulates his thoughts ,sometimes pausing to get the right words. Succinct descriptions of the otherwise complex hard to explain things !
In current skyscraper buildings many engineers uses "optimally tuned and damped dynamic absorber" to counter building oscillations. An example is the Taipei 101. This man is by far one of the best teachers I've heard in a long time.
@1:08 - does the absorber act like a beam in such that when it is moved further away from the point where the force is applied, it causes the node to shift closer to the point of applied force?
I have one question though. At 21:00 you assumed the excitation frequencies are the same. How would you solve for the equations of motion if the forces were acting at different frequencies?
I'm here at the penultimate video of this lecture series. Thank you so much for these! These have been a part of my journey through my vibrations class and I'm quite grateful.
Professor Vandiver, thank you for a real world lecture on the Response of Two Degree of Freedom Systems by the Use of Transfer Functions. I took this class at the old Catonsville Community College in Catonsville, Maryland in 1985 and my professor was very bad. The professors at MIT are incredible. These lectures are of the learning charts.
Thank you.. .... prof J. Kim Vandiver is a person of who explain with super clarity ..
its amazing to see how well he articulates his thoughts ,sometimes pausing to get the right words. Succinct descriptions of the otherwise complex hard to explain things !
In current skyscraper buildings many engineers uses "optimally tuned and damped dynamic absorber" to counter building oscillations. An example is the Taipei 101.
This man is by far one of the best teachers I've heard in a long time.
Yup I've been on top of the Taipei 101 before and the absorber is HUGE
I thought from what u said that he also have a deed at Taipei101 😂
@1:08 - does the absorber act like a beam in such that when it is moved further away from the point where the force is applied, it causes the node to shift closer to the point of applied force?
Absolutely well done and definitely keep it up!!! 👍👍👍👍👍
So beneficial! Thank you, this video really helped me while I was doing my homework:
4:55 Good point
I have one question though. At 21:00 you assumed the excitation frequencies are the same. How would you solve for the equations of motion if the forces were acting at different frequencies?
a linear system.....superposition holds....apply them individually and add the response....
really useful, however what about when damping is not zero? is there a good example working through a case where damping is not zero?
I can finally get a frequency response function of multi degree of freedom. Thank you :))
does anybody know what building name that the instructor has mentioned?
The John Hancock Tower: en.wikipedia.org/wiki/John_Hancock_Tower
awesome thank you so much for the reply
Very nice sir
awesome. Thank you :)
Cool perfect
the middle camera man seems quite trigger happy, cannot seem to keep the camera straight