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The stiffness for a cantilever beam is k = 3EI / L^3, where E = elastic modulus I = second moment of area about the neutral axis and L = length of the member. The stiffness component of the member is often represented by a spring.
CANTILEVER BEAM CALCULATOR
Enter the value of the corresponding beam properties then press "Calculate" to compute the value of stiffness.

Cantilever Beam Loaded at End




K = [ (3xExI)/L3 ]

E = Youngs Modulus
I = Area Moment of Inertia
K = Stiffness
L = Length

Enter your values:
Youngs Modulus (E): Nm-2
Area Moment of Inertia (I): m4
Length (l): m
Result:
Stiffness (k): Nm-1

7:10 AM
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