# Difference Between Shear Center Flexural Center of Twist and Elastic Center

What is the difference between the shear center flexural center of twist and elastic center? The shear center is the centroid of a cross-section. The flexural center is the center of twist, which is the point on a beam that you can add a load without torsion. The elastic center is located at the center of gravity.

If the object is homogeneous and symmetrical in both directions of the cross-section then they are all equivalent.

The elastic center is the point of a beam in the plane of the section lying midway between the flexural/shear center and the center of twist in that section.

The flexural center and the shear center are the same things. It is that point through which the loads must act if there is to be no twisting or torsion. The shear center is always located on the axis of symmetry; therefore, if a member has two axes of symmetry, the shear center will be the intersection of the two axes. Channels have a shear center that is not located on the member.

The center of the twist is the point about which the section rotates when subjected to torsion.

If the object is homogeneous and symmetrical in both directions of the cross-section then they are all equivalent and are located at the beam centroid.

The flexural center is the center of twist, which is the point on a beam that you can add a load without torsion. The elastic center is located at the center of gravity. If the object is homogeneous and symmetrical in both directions of the cross-section then they are all equivalent. FLEXURAL AXIS A straight line through the flcxural center perpendicular to the plane of symmetry (or root plane). It will be observed that the flexural center and flexural axis are characteristics of the wing at a particular section, while the shear center is a characteristic of a particular section alone. FIG.

The shear center is a point on the beam section where the application of loads does not cause its twisting. For instance, the shear center and center of gravity are the same in a symmetrical section, but they may not coincide with the centroid in the case of an unsymmetrical cross-section.