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strain relations
The experimental results indicate that the patterns of stress-strain relations are distinctly influenced by the initial shear stress in the cyclic single-direction shear tests.
      
In order to obtain the tensile stress-strain relations, a special fixture was used for the impact tensile specimen.
      
Furthermore, the axial stress-axial strain relations between laterally confined concrete under axial compression and multiaxial stress-strain relations for steel at constant high temperatures were studied.
      
This paper gives the stress-strain relations of the variational types on the basis of an assumption concerning the small deformation in the theory of elasto-plasticity.
      
According to the theory of proportional loading in elastoplasticity, we simplify the complete stress-strain relations, which are given by the increment theory of elastoplasticity.
      
It is shown in a previous paper [4] that the stress-strain relations are the constraint conditions in all these variational principles, and cannot be removed by the method of linear Lagrange multiplier.
      
All these papers deal with the elastic body with linear stress-strain relations.
      
This paper discusses particularly variational principles and generalized variational principles for elastic body with nonlinear stress-strain relations.
      
Making use of this condition and the equations of steady-state motion, stress-strain relations and Hill anisotropic yield condition, we obtain the general solutions in both the cases of anti-plane and in-plane strain.
      
Hill anisotropic yield condition and unloading stress-strain relations, in this paper, we derive the general analytical expressions of anisotropic plastic stress fields at the slowly steady propagating tips of plane and anti-plane strain.
      
Based on paper [1], the variational principle and generalized variational principle of elastic dynamics for elastic body with nonlinear stress-strain relations are introduced in this paper.
      
Hill anisotropic yield condition and stress-strain relations, we obtain the general solution of anisotropic plastic field at a rapidly propagating plane-stress crack-tip.
      
The constrained Hu-Washizu principle, therefore, is proved to be equivalent with the Hellinge-Reissner principle under the constraints of stress-strain relations.
      
By semi-inverse method, the author has also proved that Hu-Washizu principle is actually a variational principle with only two kinds of independent variables, stress-strain relations are still its constraints.
      
Elasto-plastic analysis based on the homogenization method is carried out to obtain the nonlinear average stress-strain relations of a porous material first.
      
Structural materials are assumed to be isotropic, with stress-strain relations being weakly concave.
      
In particular, it considers linearly viscoelastic solids and provides generalizations of the standard stress-strain relations of classical viscoelasticity.
      
Stress-strain relations in finite viscoelastoplasticity of rigid-rod networks: applications to the Mullins effect
      
Adjustable parameters in the stress-strain relations are found by fitting experimental data on polycarbonate melt reinforced with short glass fibers and polystyrene solution.
      
Stress-strain relations are developed by using the laws of thermodynamics.
      
 

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