Hollow Rectangular Beams Deflection calculator

Length (Inches):
Width (Inches) :
Height (Inches) :
Wall Thickness (Inches)
Force (Pounds) :
Material :
  
Deflection : Inches
Bending Stress : PSI

Hollow Rectangular Beams Deflection formula

Moment of Inertia for hollow rectangle beams = (Width * Height3) - (Inside_width * Inside_height3) / 12

Where E = Modulas of Elasticity in psi

Bending Stress = (Force * Length) / (MI / (0.5 * hHeight)

Deflection = (Length3 *Force / (3 * E * MI)

For example, when Width (Inches) = 4 Length (Inches) = 4 Height (Inches) = 4, the Wall Thickness (Inches) = 2, Force (Pounds) = 1, Material = Steel, then Deflection = 1 Inches, Bending Stress = 0.375 PSI.

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