The correspondence between the nonlinear viscoelastic and the nonlinear elastic constitutive relations is found first, and then two elasticity recovery correspondence principles are deduced.
Basing on experiments, the creep constitutive relations of PMMA were researched.
This paper derives the integrated constitutive relation at the singular point theoretically by using Hyushin's postulate in the the strain space, and gives an example applicable to the rock cap model.
Researches on constitutive relation for reinforced layers of submarine oil pipeline.
Finally, the tensile constitutive relation is fitted by the numerical method according to the tensile stress strain curves of PUR foamed plastics, which agrees well with the experimental curves.
Based on fundamental assumptions, an analysis of the constitutive relations between the internal forces and deformations of discrete rectangular reticulated structures is given.
Based on the inverse problem theory, it is explained that building the constitutive models of rock and soil is an inverse problem and four basic steps for modeling constitutive relations are proposed.
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