Civil Engineering MCQAE Level Civil Engineering
The flexibility coefficient f_ij in the flexibility matrix represents:
Structural AnalysisFlexibility CoefficientMEDIUM
Choose the correct answer
A
Force at i due to unit displacement at j
B
Stiffness of member i-j
C
Displacement at coordinate i due to a unit force at coordinate j
D
Rotation at i due to unit moment at j
Correct Answer
C. Displacement at coordinate i due to a unit force at coordinate j
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f_ij = displacement (or rotation) at degree of freedom i due to a unit force (or moment) applied at degree of freedom j, with all other forces zero.
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