CE6701 Structural dynamics & earthquake engg, Final year, Department of Civil Engineering, First and second Units Questions
Answer ALL Questions
PART A – (10 x 2 = 20 Marks)

1.      Define Stiffness?
2.      Define Damping?
3.      What is mean by Resonance?
4.      Define free vibration?
5.      Define forced vibration?
6.      Define frequency?
7.      Define natural period?
8.      Define degree of freedom?
9.      Define damping ratio?
10.  Define frequency ratio?

PART B (5x16=80 Marks)

1.      Various methods of equation of motion?Explain any 3 methods?
2.      Explain of damped free vibration?
3.      Explain types of damping?
4.      A system vibrating with a natural frequency 6 Hz starts with an intial amplitude of 2 cm and an initial velocity of 25cm/sec.Determine the natural period,ampltitude,maximumvalue,maximum acceleration and phase angle. Also write the equation of motion for a vibrating system.?
5.      Explain of damped free vibration of a two degrees of freedom system?