viscous stress
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Stress relaxation — describes how polymers relieve stress under constant strain. Because they are viscoelastic, polymers behave in a nonlinear, non Hookean fashion.Meyers and Chawla. Mechanical Behavior of Materials (1999) ISBN 0 13 262817 1] This nonlinearity is… … Wikipedia
Stress (physics) — Stress is a measure of the average amount of force exerted per unit area. It is a measure of the intensity of the total internal forces acting within a body across imaginary internal surfaces, as a reaction to external applied forces and body… … Wikipedia
Stress (mechanics) — Continuum mechanics … Wikipedia
stress, seepage — When water flows through a porous medium, force is transferred from the water to the medium by viscous friction. The force transferred to the medium is equal to the loss of hydraulic head. This force, called seepage force, is exerted in the… … Lexicon of Cave and Karst Terminology
Viscosity — For other uses, see Viscosity (disambiguation). Viscosity The substance above has lower viscosity than the substance below SI symbol: μ, η SI unit: Pa·s … Wikipedia
Hysteresivity — derives from “hysteresis”, meaning “lag”. It is the tendency to react slowly to an outside force, or to not return completely to its original state. Whereas the area within a hysteresis loop represents energy dissipated to heat and is an… … Wikipedia
Dimensionless quantity — In dimensional analysis, a dimensionless quantity or quantity of dimension one is a quantity without an associated physical dimension. It is thus a pure number, and as such always has a dimension of 1.[1] Dimensionless quantities are widely used… … Wikipedia
Fluid solution — In general relativity, a fluid solution is an exact solution of the Einstein field equation in which the gravitational field is produced entirely by the mass, momentum, and stress density of a fluid.In astrophysics, fluid solutions are often… … Wikipedia
Herschel-Bulkley fluid — The Herschel Bulkley fluid is a generalized model of a Non Newtonian fluid, in which the stress experienced by the fluid is related to the strain in a complicated, non linear way. Three parameters characterize this relationship: the consistency k … Wikipedia
Vorticity — is a mathematical concept used in fluid dynamics. It can be related to the amount of circulation or rotation (or more strictly, the local angular rate of rotation) in a fluid.Clancy, L.J., Aerodynamics , Section 7.11] The average vorticity zeta… … Wikipedia
Aerodynamic drag — Note This article is currently under renovation, and may, at times, appear disjoint. Please see the [http://en.wikipedia.org/wiki/Talk:Aerodynamic drag Discussion Page] . Introduction Aerodynamic drag refers to the retarding force on moving… … Wikipedia
