Definition:Irrotational Motion
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Definition
Let $B$ be a body which is in motion.
Let the velocities of the individual particles of $B$ be defined by a vector field $\mathbf V$ over $B$.
Let the curl of $\mathbf V$ be zero.
Then the motion of $B$ is described as being irrotational.
Also known as
In the context of fluid mechanics, irrotational motion is often seen referred to as non-vortical motion.
Also see
Sources
- 1951: B. Hague: An Introduction to Vector Analysis (5th ed.) ... (previous) ... (next): Chapter $\text {IV}$: The Operator $\nabla$ and its Uses: $5$. Simple Examples of Curl
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): irrotational: 2.