# Difference between revisions of "Bending stiffness"

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where <math>w</math> is the deflection of the beam and <math>x</math> the coordinate. In literature the above definition is sometimes used with a minus sign depending on convention. | where <math>w</math> is the deflection of the beam and <math>x</math> the coordinate. In literature the above definition is sometimes used with a minus sign depending on convention. | ||

− | Bending | + | Bending stiffness in beams is also known as [[Flexural rigidity]]. |

==See also== | ==See also== |

## Latest revision as of 07:36, 17 December 2014

The **bending stiffness** is equal to the product of the elastic modulus and the area moment of inertia of the beam cross-section about the axis of interest. In other words, the **bending stiffness ** is . According to elementary beam theory, the relationship between the applied bending moment and the resulting curvature of the beam is

where is the deflection of the beam and the coordinate. In literature the above definition is sometimes used with a minus sign depending on convention.

Bending stiffness in beams is also known as Flexural rigidity.