Gear box dynamics is characterised by a periodically changing stiffness and a backlash which can lead to a loss of the contact between the teeth. Due to backlash, the gear system has piecewise linear stiffness characteristics and, in consequence, c...
Both animal and plant tissue exhibit a nonlinear rheological phenomenon known as compression stiffening, or an increase in moduli with increasing uniaxial compressive strain. Does such a phenomenon exist in single cells, which are the building blocks...
Compression stiffening, or an increase in shear modulus with increasing compressive strain, has been observed in recent rheometry experiments on brain, liver, and fat tissues. Here, we extend the known types of biomaterials exhibiting this phenomenon...
Nov 13, 2025 · Driver: Titleist GT3 9*- Mitsubishi Diamana Whiteboard D+ 60 X-Stiff Fairway Woods: Titleist TSR3 3 wood @ 14.25* & TSR3 5 wood @ 18* -Mitsubishi Diamana Whiteboard D+ 70 X-Stiff …
Nov 13, 2025 · Driver: Titleist GT3 9*- Mitsubishi Diamana Whiteboard D+ 60 X-Stiff Fairway Woods: Titleist TSR3 3 wood @ 14.25* & TSR3 5 wood @ 18* -Mitsubishi Diamana Whiteboard D+ 70 X-Stiff …
Nov 13, 2025 · Driver: Titleist GT3 9*- Mitsubishi Diamana Whiteboard D+ 60 X-Stiff Fairway Woods: Titleist TSR3 3 wood @ 14.25* & TSR3 5 wood @ 18* -Mitsubishi Diamana Whiteboard D+ 70 X-Stiff …
This paper investigates the existence of $m$-stiff configurations in the unit sphere $S^{d-1}$, which are spherical $(2m-1)$-designs that lie on $m$ parallel hyperplanes. We establish two non-existence results: (1) for each fixed integer $m > 5$, the...
We derive the shock strength area rule for a Noble-Abel stiffened gas (NASG) equation of a state required in Whitham's geometrical shock dynamics approach to determine shock wave dynamics in dense gases, liquids and solids. An exact formulation requi...
The loading of a granular material induces anisotropies of the particle arrangement (fabric) and of the material's strength, incremental stiffness, and permeability. Thirteen measures of fabric anisotropy are developed, which are arranged in four cat...
High order implicit-explicit (IMEX) methods are often desired when evolving the solution of an ordinary differential equation that has a stiff part that is linear and a non-stiff part that is nonlinear. This situation often arises in semi-discretizat...
Stabilized Runge-Kutta methods are especially efficient for the numerical solution of large systems of stiff nonlinear differential equations because they are fully explicit. For semi-discrete parabolic problems, for instance, stabilized Runge-Kutta...
The invasive measurement of the hepatic venous pressure gradient is still considered as the reference method to assess the severity of portal hypertension. Even though previous studies have shown that the liver stiffness measured by elastography coul...
Human fingers achieve exceptional dexterity and adaptability by combining structures with varying stiffness levels, from soft tissues (low) to tendons and cartilage (medium) to bones (high). This paper explores developing a robotic finger with simila...
DNA and other biopolymers differ from classical polymers due to their torsional stiffness. This property changes the statistical character of their conformations under tension from a classical random walk to a problem we call the `torsional directe...
Rib cage stiffness goes largely unnoticed because it develops gradually. With easy daily exercises, you can restore healthy motion and relieve or prevent back pain.
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Jan 12, 2026 · "Oh geez, am I stiff!" As I tried to get up from the bed after finally being untied by Amelia. Seeing that I had cut off some of my blood circulation...
Cricket is a truculent insect with stiff and sharp teeth as a fighting weapon. The structure and possible biomineralization of the cricket teeth are always interested. Synchrotron radiation X-ray fluorescence, X-ray diffraction and small angle X-ray...
Feb 26, 2026 · Learn how to alleviate stiff hips and tight hamstrings with these easy flexibility exercises at home.
Personally, for me it works wonders to develop good habits, albeit simple ones. Drinking a gulp of water every 30min, twisting my wrists every 15min (work from home so it prevents stiff wrists and CTS...