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Signals and Systems by Smarajit Ghosh

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5.10 REPRESENTATION BY NODAL METHOD

This method is very simple to get mathematical model of both types of mechanical system.

Let us consider a mechanical system as shown in Fig. 5.24.

 

image

 

Fig. 5.24

 

The following steps are followed:

 

Step 1 Total number of nodes = Total number of displacements = 3
  One reference node is taken in addition i.e., total number of nodes becomes 4.

 

Step 2

 

M1 is connected between x1 and reference
  M2 is connected between x2 and reference
  M3 is connects between x3 and reference

 

Step 3

 

K1 is connected between x1 and reference
  K12 is connected between x1 and x2
  K2 is connected between ...

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