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3 cards from this section. Quick, good the night before a test.
Define Degrees of Freedom.
Think of how a structure can move or rotate.
What is the difference between statically determinate and indeterminate structures?
Consider how many equations you would need.
What is a Degree of Freedom?
Think of how a structure moves in space.
True or False: A statically indeterminate structure can be analyzed without compatibility equations.
Remember how many equations are needed.
A specific structure has three nodes, each capable of translating in two directions and rotating. What is the total degrees of freedom?
Calculate DOF per node and sum them up.
Illustrate how the choice of analysis method changes between structures with different degrees of freedom.
Think of the complexity involved in calculations related to DOF.
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