The phrase "about a fixed axis" is correct and usable in written English.
It can be used in contexts related to physics, engineering, or mathematics, particularly when discussing rotation or movement around a specific point.
Example: "The wheel rotates about a fixed axis, allowing for smooth motion along the track."
Alternatives: "around a stationary axis" or "concerning a fixed pivot".
Because of Hyperion's shape and eccentric orbit, it does not maintain a stable rotation about a fixed axis.
Ancient Greek geometers investigated finding tangents to curves, the centre of gravity of plane and solid figures, and the volumes of objects formed by revolving various curves about a fixed axis.
The propulsor pitched about a fixed axis at its quarter chord, with a six-axis load cell measuring the forces and torques on the shaft.
A class of mechanical systems is considered which rotate about a fixed axis and are subjected to applied, angle-periodic torques.
To demonstrate the technical feasibility for electronic compass application, the demodulated output of the vector magnetometer prototype was recorded by rotating the device in Earth's magnetic fields about a fixed axis.
For the purpose of understanding the effects of rotation on wave propagation within a tire's treadband, the vibration of an inflated, circular cylindrical shell, rotating about a fixed axis has been considered here.
Flexion and extension of the knee could be represented as a rotation around a fixed axis, and this functional axis corresponded to the surgical epicondylar axis during a 0° to 90° flexion.
The force experienced by the particle due to rotational motion around a fixed axis is given as [7]: (20).
Sympathy for Pacman attempts to fuddle the player's movement through space by forcing users to rotate a television around a fixed axis in order to move the onscreen character.
The vessels can rotate at adjustable speed on a fixed axis.
The 9 ° rotational step results in a sequence of 20 longitudinal sections of the fetus around a fixed axis.
