what are compatibility or kinametics conditions for underdeterminate structure of a material?
what are compatibility or kinametics conditions for underdeterminate structure of a material?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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what are compatibility or kinametics conditions for underdeterminate structure of a material?
Expert Solution
Step 1
There are two methods for analysis of indeterminate structures.
1) Force compatibility method:-
The unknowns are taken as internal member forces or reactions.
Displacement/Stiffness method
1. The unknowns are taken as joint displacement.
2 To find unknowns compatibility conditions are written.
Number of compatibility conditions needed = Number of redundant forces
= Degree of static
3. This method is suitable when Ds,<Dk,
4. Examples: Strain energy method or
minimum potential energy method, Castingliano's theorem, unit load method. virtual work method, column analogy method, three moment method, flexbility.
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