7.5. Torsion Stiffness

Reference: Abbott, Richard. Analysis and Design of Composite and Metallic Flight Vehicle Structures 3 Edition, 2019

Torsion stiffness is expressed in the following way:

Where:

Torsion stiffness, stress and angular deflection for common cross sections are calculated in this spreadsheet:

AA-SM-002-001 Torsion – Regular Sections – Rev B