Dynamic of structure: Mode shape

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Dear all

I have a bit about matrix and I try to understand the dynamic of building structure , could you all share me the sheet of calculate mode shape of building as shown in example-1 attachment? Do for me
big thank all

V

VladimirN

24-Ruby IV

Try to look at "DynamAssist" for Mathcad: http://www.dynamassist.com/

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terryhendicott

21-Topaz II

Hi,

You can construct the matrices for lateral stiffness and mass. You can construct the equation 11 and solve for omega the natural frequencies. Prime does not simplify the three values as far as it can you need to do this manually to get the values in the example.