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2 cards from this section. Quick, good the night before a test.
What is a stiffness matrix?
Think about how we relate forces and movements.
What does E represent in the stiffness matrix equations?
Recall our discussions on material properties.
What is the main purpose of the stiffness matrix?
Think about the role of the stiffness matrix in equations.
True or False: A beam element only handles axial loads.
Recall the definition of beam elements.
A truss is subjected to an axial load of 5000 N. If the area is 0.002 m², and Young's modulus is 200 GPa, calculate its axial deformation.
Recall δ=PL/AE, and think about how you can rearrange it.
If a beam of length 4 m has a moment of inertia of 0.0002 m⁴ and is subjected to a bending moment of 1000 N·m, find the beam’s deflection.
Look for how E affects deflection in bending.
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