natural frequency
[/ˈnætʃərəl ˈfrikwənsi/]
nounpl: natural frequencies
frequência natural
1. The frequency at which a system oscillates when not subjected to external forces or damping; the inherent vibrational frequency of a physical system
The natural frequency of the bridge was calculated to ensure it wouldn't resonate with wind vibrations.
A frequência natural da ponte foi calculada para garantir que não ressonaria com as vibrações do vento.
2. In physics and engineering, the rate at which an object vibrates freely after being disturbed
Every structure has its own natural frequency depending on its mass and stiffness.
Cada estrutura tem sua própria frequência natural dependendo de sua massa e rigidez.
This is a technical term primarily used in engineering, physics, and structural mechanics. It's essential in both Brazilian and Portuguese educational systems, particularly in engineering programs. In the USA, it's a fundamental concept taught in mechanical and civil engineering courses. The term is universally standardized across technical communities regardless of regional variation.
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