Understanding the concepts on Degrees of Freedom
AIM:- .To compute Ln , Mn and Γn for each of the five modes from the given equations.
.To calculate the effective modal mass Mn* and the modal mass participating ratio for the 5 modes.
.To obtain the base shear for each of the 5 modes of vibration and the combined base shear as per SRSS rule.
Procedure:-



Step-2:





Step-3

Step-4

Step-5




- Ln, Mn, Tn values are calculated for each of the 5 modes
- The base shear force for each of the 5 modes is obtained.
- Effective modal mass and the modal mass participating ratio for 5 modes are obtained