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THEORY OF ELASTICITY FOR AN ISOTROPIC BODY WITH DIFFERENT MODULI IN TENSION AND COMPRESSION.
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作者：
Lomakin, E.V.
Rabotnov, Yu.N.
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STRESSES;
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摘要：
There are many materials that have different moduli in tension and compression. The properties of such dimodular materials can be described with the aid of a potential that depends on the first and second invariants of the stress tensor. The potential for the classical elastic body is a special case of this. A method for determining the functions and the constants in the expression for the potential is described. Possible forms of the stress-strain diagrams under proportional and nonproportional loading are discussed. Finally, the validity of certain theorems of the theory of elasticity in the case of dimodular materials is analyzed.
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页码：25 / 30
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