Torsional Stiffness Calculator
Free calculate torsional stiffness of beams and shafts. torsional stiffness measures resistance to angular deformation under torque.
Input Parameters
Steel: ~80 GPa, Aluminum: ~26 GPa
Polar moment of inertia
Results
Enter parameters to calculate torsional stiffness
Torsional Stiffness Formula
Stiffness Equation
k = (G × J) / L
Where G = shear modulus, J = torsional constant, L = length
Torque-Angle Relationship
τ = k × θ
Where τ = torque, θ = angular displacement
Typical Shear Moduli
- • Steel: 80 GPa
- • Aluminum: 26 GPa
- • Copper: 45 GPa
- • Concrete: 12-20 GPa
Applications
- • Shaft design
- • Beam analysis
- • Structural engineering
- • Mechanical design