Abstract:The physical content of an equation of state in the form of σ = σ(υ) is discussed as it applies to the theory of the elastic properties of crystals. Here, σ is pressure and υ is a change in the volume of the crystal under the effect of pressure. We assume that the energy of a deformed state is determined using an elastic modulus no higher than the third order. The forms of the analytical dependences of σ = σ(υ) for the eight most popular equations of state in the mechanics of finite deformations of a continuou… Show more
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