shear stress

the force acting in shear flow expressed per unit area; units in the CGS system: dynes/cm².

Farlex Partner Medical Dictionary © Farlex 2012

shear stress

Biophysics
A frictional force tangential to the direction of a flowing fluid, the force of which is directly related to the fluid’s viscosity shear stress. In blood vessels, shear stress acts on endothelium and is the mechanical force responsible for the acute changes in luminal diameter.

Geomedicine
Stress parallel to a given surface (e.g., a fault plane) that results from forces applied parallel to the surface or from remote forces transmitted through surrounding rock.

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References in periodicals archive

Furthermore, the transverse shearing stress for Newtonian fluid accelerates whereas resistivity diminishes away from the plate for viscoelastic fluid.

(iv) The axial and transverse components of shearing stress are prominently affected by the viscoelastic parameter along with other flow parameters.

Figures 20 and 21 display the variation of shearing stresses against chemical reaction parameter y with viscoelastic parameter.

Ion slip effect on viscoelastic fluid flow past an impulsively started infinite vertical plate embedded in a porous medium with chemical reaction

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