normal mode frequency
[/ˈnɔːrməl moʊd ˈfrikwənsi/]
nounfemininepl: normal mode frequencies / frequências de modo normal
frequência de modo normal
1. The natural frequency at which a system oscillates when disturbed from its equilibrium position without external driving forces
The bridge's normal mode frequency was calculated to be 2.5 Hz.
A frequência de modo normal da ponte foi calculada em 2,5 Hz.
2. In physics and engineering, each of the characteristic frequencies corresponding to the natural vibration patterns of a mechanical or acoustic system
Engineers must avoid exciting the structure at its normal mode frequencies to prevent resonance.
Os engenheiros devem evitar excitar a estrutura em suas frequências de modo normal para prevenir ressonância.
3. The eigenfrequency of a vibratory system determined by its mass, stiffness, and damping properties
The first normal mode frequency is typically the lowest and most important for structural analysis.
A primeira frequência de modo normal é tipicamente a mais baixa e mais importante para análise estrutural.
This is primarily a technical term used in engineering, physics, and acoustics disciplines in both English and Portuguese-speaking countries. It is essential terminology in structural engineering, mechanical vibration analysis, and acoustical design. The concept is universally understood in academic and professional engineering contexts across all regions.
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