Contents:
00:49 Definition of response to a unit impulse
9:22 General dynamic loading
13:01 Derivation of change in velocity using Newton's second law
16:07 Effect of impulse short duration on elastic and damping forces
23:11 Equity of the initial velocity and the increment in the velocity
30:39 The solution of the equation of motion
34:28 Duhamel's integral for undamped systems
41:29 Graphical representation of system response and general loading
48:26 Convolution integral graphical representation
52:51 The EOM with initial conditions not equal to zero
55:21 Duhamel's integral for damped systems
58:55 Effect of viscous damping on pulse excitation
1:06:41 Shock spectra for half-cycle sine pulse force for different damping
1:11:08 Response of Rectangle pulse force
1:20:19 Response of half-cycle sine pulse force
![](https://i.ytimg.com/vi/s2kRGxikd6Y/mqdefault.jpg)