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1 Conformal modulus, a measure of the size of a curve family. 2  Modulus of continuity, a function gauging the uniform continuity of a function. 3  Modular arithmetic, the modulus being the value at which numbers wrap around.  Similarly, the modulus of a Dirichlet character.
Elastic modulus is a property of the constituent material; stiffness is a property of a structure. That is, the modulus is an intensive property of the material; stiffness, on the other hand, is an extensive property of the solid body dependent on the material and the shape and boundary conditions. is the force applied on the body. Î´ is the displacement produced by the force along the same degree of freedom (for instance, the change in length of a stretched spring). In the International System of Units, stiffness is typically measured in newtons per meter.