shear

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shear

 [shēr]
an applied force that tends to cause an opposite but parallel sliding motion of the planes of an object. Such motions cause tissues and blood vessels to move in such a way that blood flow may be interrupted, placing the patient at risk for pressure ulcers. An example of a shearing force is seen when a patient slumps in a chair; the skin around the buttocks is stretched by the movement and interferes with circulation.

shear

(shēr),
The distortion of a body by two oppositely directed parallel forces. The distortion consists of a sliding over one another of imaginary planes (within the body) parallel to the planes of the forces.
[A.S.]

shear

(shîr)
v. sheared, sheared or shorn (shôrn), shearing, shears
v.tr.
1. To remove (fleece or hair) by cutting or clipping.
2. To remove the hair or fleece from.
v.intr.
To use a cutting tool such as shears.
n.
1. often shears
a. A pair of scissors.
b. Any of various implements or machines that cut with a scissorlike action.
2. The act, process, or result of shearing, especially when used to indicate a sheep's age: a two-shear ram.
3. Something cut off by shearing.

shear′er n.

shear

(shēr)
Distortion of a body by two oppositely directed parallel forces; consists of a sliding over one another of imaginary planes (within body) parallel to planes of forces.
[A.S.]
References in periodicals archive ?
In addition, the low hydraulic conductivity of the landslide gouge/ sandstone interface would result in the significant and continuous pore pressure increase during the long shear displacement when the sliding surface is sheared under large normal stresses.
and Altan, T., "Finite Element Analysis on the Effect of Sheared Edge Quality in Blanking Upon Hole Expansion of Advanced High Strength Steel," IDDRG, pp.
In order to make the sheared plate get through smoothly between the two shear blades, the clearance between the upper and lower shear blades after shearing, also known as the opening distance (H), which is the function of design variable t, should be greater than the designed value K associated with the thickness of sheared plate:
As the abovementioned sheared surface feature of high-strength steel sheets, the sheared surface feature with respect to shearing clearances was against those of aluminum sheets, as well as the basic shearing process from the literature [8-10].
* Pen the sheep in on the afternoon prior to shearing so they will not be full of feed when sheared. A covered holding pen with a slatted floor is ideal.
The greatest number of sheep live in China (136 million) where traditionally they are sheared by women using scissors.
In shearing the leg and thigh area, it is gratifying to have shorn well over the rump when you sheared the first hind leg.
The technique has novel features arising from the DPD formalism, the use of rigid body inclusions spread across processors, and a sheared boundary condition.
Highly sheared, hotter, less viscous material flows in an annular ring along the channel walls surrounding low-shear, cooler, more viscous laminates flowing in the center of the channel.
Under higher vertical stress, abnormal crush and failure of the sheared rock block give the unreal strength parameters, while the contact between particles in a suitable gap, containing the particle rolling and particle sliding, provides the stable resistance indicated by the flat segment in strength variation with T [20].
We performed a loop-test at certain concentrations to get more information about the rheological properties under shear: the suspension was first sheared with increasing shear rates (0.1-100 [s.sup.-1]) immediately followed by a backward sweep with decreasing shear rates (100-0.1 [s.sup.-1]).
Fagan has sheared 2,814 lambs in a nine-hour day and can shear 14 sheep in 11 minutes.