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(Nanowerk News) The ratchet mechanism is a fascinating energy-conversion system that converts disorderly or random motion into orderly, directed movement through a process known as spontaneous ...

SIAM Journal on Numerical Analysis contains research articles on the development and analysis of numerical methods including their convergence, stability, and error ...

In aircraft and aerospace structures, nonlinear structural phenomena can be observed under certain loading and boundary conditions. Traditional structural and aeroelastic analyses techniques have been ...

Blood shunts are fixed-diameter tubes, commonly used in heart reconstruction surgeries, including for the treatment of congenital cardiovascular defects. For children born with severe heart defects, ...

The proposed ratchet mechanism utilizes the asymmetry in surface wettability between the smooth and rough faces of the teeth of a geometrically symmetric gear to achieve ratcheting motion. The ratchet ...