Basic Elasticity and viscoelasticity
4 • 1 BasIC eLastICItY anD VIsCoeLastICItY • The shear strain is defined somewhat differently (figure 1.3). The strain, y, is mea-sured in radians, and the shear modulus, G, is given by G y x = . [Eq.1.5] The simple picture given here is for isotropic materials whose structure and, there-
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