AA-SB-001: Analysis And Design Of Composite And Metallic Flight Vehicle Structures

Third Edition

6.1.3. Area Moment of Inertia (I)

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

The area moment of inertia, also known as second moment of inertia, moment of inertia of a plane area or second area moment.

The area moment of inertia of a plane area is referred to the second moment of area since the first moment Q is multiplied by the differential area moment arm:

Where the elements are integrated over the whole body.

The area moment of inertia about the Z axis (polar moment of inertia) is given by the following expression:

6.1.3. Area Moment of Inertia (I)

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

The area moment of inertia, also known as second moment of inertia, moment of inertia of a plane area or second area moment.

The area moment of inertia of a plane area is referred to the second moment of area since the first moment Q is multiplied by the differential area moment arm:

Where the elements are integrated over the whole body.

The area moment of inertia about the Z axis (polar moment of inertia) is given by the following expression: