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Why is the cubic polynomial selected to define the deflection function of beam element? a Because there are 4 unknowns per element b Because the
Why is the cubic polynomial selected to define the deflection function of beam element? a Because there are 4 unknowns per element b Because the governing equation of the Euler-Bernoulli beam is a 4th order ordinary differential equation (ODE) c Because there are 2 nodes per element d Because it can describe the curve of the beam
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