What does PR stand for?

Poisson's Ratio

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Samples in periodicals archive:

After using Hooke's Law and assuming that Poisson's ratio and Young's modulus are constant, the stress in the frozen layer is given by [sigma] (z, t) = E/1 - v[[epsilon](t) - [beta] (T (z, t) - [T.

Development of warpage and residual stresses in film insert molded ...

Poisson's ratio is a primary mechanistic constitutive property used to measure the multiaxial strain state occurring within a road structure under an applied load.

Field investigation of granular base rehabilitation project ...

k] is indentation hardness, R is the radius of the hemispherical indenter, P is the force on the indenter, h is the depth on indentation, E is the elastic modulus, and u is Poisson's ratio (usually approximated as 0.

Coatings Clinic: thermal mechanical analysis

M] is the stretch (compression or shear) modulus and viscous parameters and [C] is the Poisson's ratio matrix, respectively.

Analysis of Longyangxia dam deformation based on seepage and creep ...

Anderson [4] later provided a justification of an expression of this form for the bulk modulus and noted that the elastic modulus would be approximately of the same form if the temperature dependence of Poisson's ratio could be ignored.

Analytical representations of elastic moduli data with simultaneous ...

Poisson's ratio measures how much a stretched material's cross section decreases for a given increase in length.

Stretched matter goes to unusual extremes

The soil deflects an amount d, which is proportional to the foot geometry, Young's modulus, and Poisson's ratio of the soil.

Soil Stiffness Gauge for soil compaction control

Test results and discussions Elastic modulus and Poisson's ratio The elastic properties (modulus of elasticity and Poisson's ratio) of slate were obtained from tests summarized in Tables 1 and 2 for the three perpendicular directions shown in Fig.

Mechanical and physical properties of slate from Britannia Cove, ...