hydrostatic stress

hydrostatic stress

[‚hī·drə′stad·ik ′stres]
(mechanics)
The condition in which there are equal compressive stresses or equal tensile stresses in all directions, and no shear stresses on any plane.
References in periodicals archive ?
The yield functions to describe pressure-sensitive yielding behavior usually involve the hydrostatic stress and the second invariant of the deviatoric stress [1, 2, 3, 4].
But in the upstream areas, there a number ofnew landslides generated due to sudden drop of hydrostatic stress of reservoir causing damage to property and infrastructure.
Stress triaxiality factor T, which is usually defined by the ratio of hydrostatic stress to the equivalent von Mises stress, can be expressed in terms of [lambda]:
In this experiment, a cylindrical rock sample is brought to a hydrostatic stress using steel loading platen on the cylinder ends and silicone oil via a rubber sleeve.
Patterson will also chair the PPI Hydrostatic Stress Board (HSB), and support the PPI Technical Committee.
The larger particles can cavitate, relieve the hydrostatic stress, and induce the shear yielding of matrix, while the smaller particles with small size do not cavitate under the same conditions.
The Plastics Pipe Institute (PPI) Hydrostatic Stress Board (HSB) conducted an extensive evaluation of this and other methods for forecasting the effective long-term performance of PE thermoplastic piping materials.
Shrinkage Pores - If a casting is poorly fed during solidification, shrinkage will cause a hydrostatic stress in the liquid metal.
Because of the extreme value of B, a hydrostatic stress (pressure) of 1 MPa (145 psi) reduces (ref.
The deviatoric stress is the difference between a stress component and the hydrostatic stress.
Therefore, the use of diabolo specimens was expected to induce significant increase in the hydrostatic stress level, thus encouraging cavitation in the specimens.