# stiffness constant

## stiffness constant

[′stif·nəs ‚kän·stənt]
(mechanics)
Any one of the coefficients of the relations in the generalized Hooke's law used to express stress components as linear functions of the strain components. Also known as elastic constant.
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References in periodicals archive ?
ij] is the reduced stiffness constant of a unidirectional.
The reduced stiffness constant of a unidirectional layer, off its material directions is obtained by:
1] is stiffness constant (Velinsky, 1989), L is rope length, l is length of endpoint to invasive point.
Bending Stiffness: Increase in foundation thickness, while keeping the spring stiffness constant, also affects the superstructure design.
Divide the reaction forces found in step "b" at the L/3 and 2L/3 points by the corresponding deflections found in step "a" in order to determine the stiffness constant ([k.
Determine the stiffness constant for the unsupported rail plus the stretcher and brace system.
For this mode, the static load and the stiffness constants [C.
Second, all stiffness constants are determined separately, and requirements from a thermodynamic point of view, such as objectivity are not incorporated when simply applying the anisotropic stiffnesses as finite strain tangent stiffness.
2] plane respectively, and the method yields elastic stiffness constants (12) [C.
The measured pattern of anisotropy agrees well with that calculated for a uniaxially oriented sheet, based on taking the mean of averaging the stiffness constants and the compliance constants respectively obtained for the predicted orthorhombic elastic constants.
However, a detailed mapping of mechanical anisotropy and the computation of stiffness constants are quite involved and require a nonlinear least-square fit of the data to the predictions of a model for wave propagation.
The first aim of the present work is to fill the void in data by measuring the five independent stiffness constants [C.

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