Sentences with phrase «shear force of»

This is caused by the shear force of the accident.
But it took companies like Nike and Adidas to come along and by shear force of will, raise the level of conversation in the sneaker department, before sneakers became bona fide global social objects, bona fide global powerhouse brands.
Bill Gurley: One thing I would say to that is I don't think there are any opportunities to disrupt healthcare in that type of way, simply because the amount, the shear force of inertia, the amount of regulation that exists, there's no way for someone to rush in and disrupt at that level with kind of hackneyed solutions.
When the ACL ruptures and the joint becomes unstable, the meniscus becomes vulnerable to the shear forces of the two bones moving in abnormal ways.

Not exact matches

Cut along each side of backbone with kitchen shears — this will take some force (you can ask your butcher to do this).
This prevents anterior tilt of the shoulder blades, preventing shear forces on the cuff and tendons of the shoulders and elbows.
Others note that shear forces from shaking are not the only issue — bursting of bubbles caused by shaking may also damage cells or denature proteins.
If there are ripples along the boundary between those layers, the shearing action creates centrifugal forces that swirl the fluids — or bodies of air — together.
Indeed, it is the rotational movements of the brain inside the calvaria (meaning all of the cranium except for the facial bones) and the shearing forces affecting the upper reticular formation that create torque, which leads to the typical loss of consciousness.
For instance, there are three standard measures of a material's stiffness: One describes its deformation in the direction of an applied force, or how far it can be compressed or stretched; one describes its deformation in directions perpendicular to an applied force, or how much its sides bulge when it's squeezed or contract when it's stretched; and the third measures its response to shear, or a force that causes different layers of the material to shift relative to each other.
Geckos» feet are, by default, non-sticky, but the stickiness can be activated by a small shear force to produce this surprisingly tough form of adhesion.
Geckos» feet are by default nonsticky, and this stickiness is activated through application of a small shear force.
These vortices of upwardly spiraling wind have been studied for decades, but information about them is usually, and understandably, obtained from a distance, precluding fine - scale measurements of rotational speed, shear forces, and internal wind pathways.
If a researcher extracts a one - inch sample of rock from the fault zone located inside a single plate and subjects it to compression and shearing forces in a laboratory until it slips, it will behave in much the same way that rocks in the ground do.
«These highly elusive 3 - nanometer structures are too small to be captured with other types of liquid biopsy devices, such as microfluidics, due to shear forces that can potentially destroy them,» he noted.
He's been focused on the study of impact - induced shear waves, which jostle tissue with relatively slow, side - to - side forces, in contrast to the better - studied compression waves that travel in the direction of impact at the speed of sound.
In physics, shear stress is a stress state in which the shape of a material tends to change (usually by «sliding» forces — torque by transversely - acting forces) without particular volume change.
«This transition demonstrates that shear thickening is driven primarily by frictional contacts, with hydrodynamic forces playing a supporting role at lower concentrations of particles, when mixtures are less dense,» Royer explained.
Vascular Imaging Integrating 4 - D light - sheet imaging and hemodynamic shear forces to elucidate endocardial Notch - Nrg1 - ErbB2 signaling and trabeculation Tzung Hsiai, University of California, Los Angeles Matrix metalloproteinase - targeted imaging of vascular remodeling in aortic aneurysms Mehran Sadeghi, Yale University
\ n \ n «It?s still not clear how the cells sense shear stress, and researchers are trying to unravel the chain of events between mechanical force and stem cell production in order to manipulate the process to make blood stem cells for transplant.»
In addition, both internal variability and aerosol forcing are likely to affect tropical storms in large part though changes in ocean temperature gradients (thereby changing ITCZ position and vertical shear), while greenhouse gases likely exert their influence by more uniformly changing ocean and tropospheric temperatures, so the physics of the problem may suggest this decomposition as more natural as well.
In addition, deadlifts train the spine to remain perfectly stable while exposed to ridiculously high shear forces, which makes people who perform them often look like some kind of superheroes.
The sumo variant involves a wider foot placement, which makes it easier to maintain a flat back, while trap bar deadlifts involve the least amount of shear force and are most suitable for people with lower back problems.
The role of many elements of the proper deadlifting form, such as keeping an erect torso and not allowing the bar to drift away from the body, is to minimize shearing force.
This shortens the range of motion and keeps the torso more upright, which reduces the amount of shearing force placed on the spine.
Although low back joint compressive and shear forces in the clean performed by elite Olympic weightlifters are high (around 8,600 N and 1,200 N, respectively), they are not as high as in the deadlift performed by elite powerlifters of similar bodyweight (around 14,500 N and 1,700 N, respectively).
The shoulder isn't designed to take those shearing forces which leads to a high rate of shoulder injury.
Kipping pullups place a tremendous amount of shear force on your shoulder joint.
It is hard on the patellar tendons of the knees due to the shearing forces involved.
However, when a more neutral lordotic posture is adopted, the extensor musculature is responsible for creating the extensor moment and at the same time provides a posterior shear force that supports the anterior shearing action of gravity on the upper body and handheld load.
But when Thomson accidentally kills someone with his styling shears, he quickly finds himself at the centre of a large serial killer investigation, championed by two of Scotland's most incompetent task forces.
«It's in the safety cell and the floor to absorb shear forces, to transfer the energy from the front of the vehicle into the back.»
But it's the new double - wishbone front axle and 5 - link rear axle are largely responsible for controlling lateral roll and shear forces to enhance agility and stability, as does the addition of four - wheel steering.
The second set of evaluation criteria is comprised of the maximum neck shear force and maximum neck tension measured on the dummy during the test.
A new double - wishbone front axle and 5 - link rear axle deliver astounding levels of control over lateral roll and shear forces and deliver incredible agility and stability, as does the addition of four - wheel steering, all contributing to incredible drivability and nimbleness.
The Institute's dynamic ratings of good, acceptable, marginal, or poor are derived from two seat design parameters (peak acceleration of the dummy's torso and time from impact initiation to head restraint contact with the dummy's head) plus neck tension and shear forces recorded on BioRID during the test.
«That produces an S - shape in the neck, and that can develop a lot of shear forces in the neck,» Romilly says.
The Institute's dynamic ratings of good, acceptable, marginal, or poor are derived from two seat design parameters (peak acceleration of the dummy's torso and time from impact initiation to head restraint contact with the dummy's head) plus neck tension and shear forces recorded on the BioRID dummy during the test.
However, it seems such bendable e-readers are back again, thanks to a group of researchers based in Taiwan who claim to have hit upon a novel way of devising electronics that could withstand bending and shearing forces up to some extent.
As cartilage degenerates it becomes more fragile and susceptible to injury as a result of the abnormal shearing forces exerted on the now unstable joint.
TTA is a surgical procedure where we move the Tibial Tuberosity forward to change the angle of the Patellar Ligament to neutralize the tibeofemoral shear force during weight bearing.
This places the majority of the body weight on the knee joint, and excessive rotational and shearing forces are placed on the cruciate ligaments.
It's just awesome to think of the shear force and beauty of a wolf.
One type of forced convection is when the cold air from the poles flows under the warmer subtropical air, which results in wind shear.
Warm ground (strong heating of the ground) and non-turbulent vertical flow due to convective shear forces slow enough to allow approximately adiabatic expansion and compression to occur in the overturning convective air parcels favors the DALR.
-- Wind shear: The less the vertical wind shear — the difference in the direction and force of the winds at the surface compared to several miles into the air — the more powerful the hurricane can become.The influence of the Atlantic Multidecadal Oscillation
Wind shear: The less the vertical wind shear — the difference in the direction and force of the winds at the surface compared to several miles into the air — the more powerful the hurricane can become.
Wind shear, both horizontal and vertical, is extremely important, and it is influenced in complex ways by large - scale circulation responses to the balance of various forcings.
However, even without the actual results from the models for the past 30 years, I think we can surmise that driven by changes in anthropogenic forcings alone, the models simulations of the past 30 years would be trending in a similar direction as the model projections for the future, that is, vertical stability and wind shear should be increasing, at least over the tropical Atlantic.
Three plate edges always meet together at just one point, a principle which enables the transmission of normal and shear forces but no bending moments between the joints, thus resulting in a bending bearing but yet deformable structure.
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