ultimate shear stress - ορισμός. Τι είναι το ultimate shear stress
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Τι (ποιος) είναι ultimate shear stress - ορισμός

COMPONENT OF STRESS COPLANAR WITH A MATERIAL CROSS SECTION
Sheer stress; Wall shear stress; Shear Stress; Shearing stress; Shear (fluid); Double shear; Shear-stress; Wall Shear Stress
  • τ}}, deforms the rectangle into a [[parallelogram]]. The area involved would be the top of the parallelogram.

Shear zone         
IN GEOLOGY, THE RESPONSE OF A ROCK TO DEFORMATION USUALLY BY COMPRESSIVE STRESS
Shear deformation; Shear Zone; Geological shear; Shear zones; Shear fault
In geology, a shear zone is a thin zone within the Earth's crust or upper mantle that has been strongly deformed, due to the walls of rock on either side of the zone slipping past each other. In the upper crust, where rock is brittle, the shear zone takes the form of a fracture called a fault.
Compressive         
  • Idealized stress in a straight bar with uniform cross-section.
  • Illustration of typical stresses (arrows) across various surface elements on the boundary of a particle (sphere), in a homogeneous material under uniform (but not isotropic) triaxial stress. The normal stresses on the principal axes are +5, +2, and −3 units.
  • The stress across a surface element (yellow disk) is the force that the material on one side (top ball) exerts on the material on the other side (bottom ball), divided by the area of the surface.
  • Components of stress in three dimensions
  • Isotropic tensile stress. Top left: Each face of a cube of homogeneous material is pulled by a force with magnitude ''F'', applied evenly over the entire face whose area is ''A''.  The force across any section ''S'' of the cube must balance the forces applied below the section. In the three sections shown, the forces are ''F'' (top right), ''F''<math>\sqrt{2}</math> (bottom left), and ''F''<math>\sqrt{3}/2</math> (bottom right); and the area of ''S'' is ''A'', ''A''<math>\sqrt{2}</math> and ''A''<math>\sqrt{3}/2</math>, respectively. So the stress across ''S'' is ''F''/''A'' in all three cases.
  • Simplified model of a truss for stress analysis, assuming unidimensional elements under uniform axial tension or compression.
  • The ratio <math>\sigma = F/A</math> may be only an average stress. The stress may be unevenly distributed over the cross section (''m''–''m''), especially near the attachment points (''n''–''n'').
  • For stress modeling, a [[fishing pole]] may be considered one-dimensional.
  • Shear stress in a horizontal bar loaded by two offset blocks.
  • Glass vase with the ''[[craquelé]]'' effect. The cracks are the result of brief but intense stress created when the semi-molten piece is briefly dipped in water.<ref name=lamglass/>
  • A [[tank car]] made from bent and welded steel plates.
PHYSICAL QUANTITY THAT EXPRESSES INTERNAL FORCES IN A CONTINUOUS MATERIAL
Tensile stress; Physical stress; Normal stress; Tensible strength; Mechanical stress; Piola-Kirchhoff stress tensor; Piola–Kirchoff stress tensor; Stress, mechanical; Deviatorics tress; Compressive; Piola-Kirchhoff stress; Deviatoric; Extensional stress; Longitudinal stress; Stress (physics); Internal stresses; Internal stress; Octahedral shear stress; Piola–Kirchhoff stress tensor; N/m2; Stress path; Cauchy's tetrahedron; Cauchy tetrahedron; Piola-Kirchoff stress tensor
·adj Compressing, or having power or tendency to compress; as, a compressive force.
Adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
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ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
·noun Opposition; contrariety.

Βικιπαίδεια

Shear stress

Shear stress (often denoted by τ (Greek: tau)) is the component of stress coplanar with a material cross section. It arises from the shear force, the component of force vector parallel to the material cross section. Normal stress, on the other hand, arises from the force vector component perpendicular to the material cross section on which it acts.