Can you do a video on a 2 DOF degenerate system? I know there are not many applications for it but it would good to add to the great videos that you have
Thank you for your excellent videos. I visited your web site. Are these PDF files of your slides with the markups you made during the corresponding video?
@@Freeball99 Thank u for replying , 8.4 For the bar-spring-mass system in Fig. P8.4, assume that the bar is rigid but its mass is negligible, that the rotation of the bar remains small, and that gravity can be neglected. In parts (a) and (b), derive the equations of motion, and write the equations in matrix form, (a) Let coordinates u1 and u2 be the vertical displacements of the masses m1 and m2, respectively, (b) Let coordinates u1 and u2 be the vertical displacements of points A and C where springs k1 and k2, respectively, are connected to the rigid bar. (c) Briefly discuss how the equations of motion are coupled in each case.
figure is in the following link: www.transtutors.com/questions/for-the-bar-spring-mass-system-in-fig-p8-4-assume-that-the-bar-is-rigid-but-its-mass-1890961.htm
Apologies for the delay. I thought I had posted a response to this. This problem is really about getting the kinematics correct. I have done this on the attached sheet. You should be able to plug the displacements and velocities in for your potential and kinetic energy expressions and then get the equations of motion. www.dropbox.com/s/0gic5tok64hen85/2DOF.pdf?dl=0
seriously you a gem professor.... i never had this much fun in learning. love your videos...
You are a motivation. I am discovering how other Analysis Softwares are coded at the backend. Thanks a lot for the vidoes.
Can you do a video on a 2 DOF degenerate system? I know there are not many applications for it but it would good to add to the great videos that you have
Thank you so much ! 👊
Thank you very much!
Thank you for your excellent videos. I visited your web site. Are these PDF files of your slides with the markups you made during the corresponding video?
Yes.
Thanks, Sir!
hi, could you plz tell me how to solve a massless bar-spring mass system? It is a problem 8.4 of fundamentals of str. dynamics by Craig.
I don't have the book. Can you post a copy of the problem?
@@Freeball99 Thank u for replying ,
8.4 For the bar-spring-mass system in Fig. P8.4,
assume that the bar is rigid but its mass is negligible, that
the rotation of the bar remains small, and that gravity can be neglected. In parts (a) and (b), derive the equations of
motion, and write the equations in matrix form, (a) Let
coordinates u1 and u2 be the vertical displacements of the masses m1 and m2, respectively, (b) Let coordinates
u1 and u2 be the vertical displacements of points A and
C where springs k1 and k2, respectively, are connected to the rigid bar. (c) Briefly discuss how the equations of
motion are coupled in each case.
figure is in the following link:
www.transtutors.com/questions/for-the-bar-spring-mass-system-in-fig-p8-4-assume-that-the-bar-is-rigid-but-its-mass-1890961.htm
we need to solve it using Newtons Method
Apologies for the delay. I thought I had posted a response to this. This problem is really about getting the kinematics correct. I have done this on the attached sheet. You should be able to plug the displacements and velocities in for your potential and kinetic energy expressions and then get the equations of motion. www.dropbox.com/s/0gic5tok64hen85/2DOF.pdf?dl=0
Class notes free or paid!?
The downloads cost approx. $1 per page.
Could you please tell what's the app you use to do the notes?
I am using an app called "Paper" by WeTransfer. Running on an iPad Pro 13 inch and using an Apple Pencil.
@@Freeball99 Thank you! Your notes are very very organized! It's beatilful!!
What app/program did you use to make the notes?
'Paper' by WeTransfer, in case anyone else is also looking for it. Read it in a comment of another video ;)
The app is called "Paper" by WeTransfer. Running on an iPad Pro 13 inch and using an Apple Pencil. Quicktime is used to record the screen.