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Deflection Calculator
Calculate beam deflection under various loading conditions. Supports different beam types and loading patterns with serviceability checks.
Input Parameters
Enter the beam properties and loading conditions
Steel: 200,000 MPa, Concrete: 30,000 MPa, Wood: 12,000 MPa
Results
Calculated beam deflection analysis results
Maximum Deflection
0.00 mm
Allowable Deflection
0.00 mm
L/250 (typical limit)
Serviceability Check
PASS
Deflection Ratio: L/0
Formulas Used
Mathematical formulas for beam deflection calculations
Simply Supported Beam
Point Load at Center: δ = PL³/(48EI)
Uniform Load: δ = 5wL⁴/(384EI)
Cantilever Beam
Point Load at End: δ = PL³/(3EI)
Uniform Load: δ = wL⁴/(8EI)
Fixed-Fixed Beam
Point Load at Center: δ = PL³/(192EI)
Uniform Load: δ = wL⁴/(384EI)
Variables
δ = Deflection (m)
P = Point load (N)
w = Distributed load (N/m)
L = Beam length (m)
E = Elastic modulus (Pa)
I = Moment of inertia (m⁴)