Module 7 : Design of Machine Foundations
Lecture 31 : Basics of soil dynamics [ Section 31.2 : Different modes of vibration; Undamped ]
   
Undamped forced vibration :
 

In this external force f(t) is applied and coefficient of damping “c” = 0.
 
 

Fig. 8.3 Undamped forced vibration

   
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