how to write a script for vibration on engine mounts?

i want to write a script for vibration analysis of an engine anti vibration mount .Material used for mount will be an elastomer.

[Walter Roberson]

A similar but more detailed question was recently asked at http://www.mathworks.com/matlabcentral/answers/318864-how-to-calculate-natural-frequency-of-a-mounting-system-in-matlab

There was no answer there as yet, but perhaps the other person has made progress in understanding the steps required.