Engineering - Structural Analysis - Discussion

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Q.

For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal
i)of a stiffness matrix must be positive
ii)of a stiffness matrix must be negative
iii)of a flexibility matrix must be positive
iv) of a flexibility matrix must be negative
The correct answer is                         
A. (i) and (iii) B. (ii) and (iii)
C. (i) and (iv) D. (ii) and (iv)

Answer: Option A
Explaination:

 


No Explanation




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