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FREE VIBRATION MEASUREMENT [1 record]

Record 1 2013-05-01

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Strength of Materials
  • Physics of Solids
  • Plastic Materials
DEF

A technique for performing dynamic mechanical measurements in which the specimen is deformed, released and allowed to oscillate freely at the system’s natural resonant frequency.

OBS

The storage modulus is calculated from the natural resonance frequency, and the loss modulus, from the rate of decay of amplitude of oscillation.

OBS

free vibration measurement : term and definition standardized by the International Organization for Standardization(ISO).

Key term(s)
  • measurement of free vibration
  • measure of free vibration

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Résistance des matériaux
  • Physique des solides
  • Matières plastiques
DEF

Technique consistant à effectuer des mesures mécaniques dynamiques sur une éprouvette déformée puis libérée, afin qu'elle oscille à sa fréquence propre.

OBS

Le module de conservation peut être calculé à partir de la fréquence propre et le module de pertes, à partir de l'amortissement des oscillations.

OBS

mesure d'oscillation libre : terme et définition normalisés par l'Organisation internationale de normalisation (ISO).

Spanish

Campo(s) temático(s)
  • Medición y análisis (Ciencias)
  • Resistencia de los materiales
  • Física de los sólidos
  • Materiales plásticos
DEF

Técnica para realizar mediciones dinámico-mecánicas, en la cual el espécimen se deforma, libera y deja oscilar libremente a su frecuencia natural.

OBS

El módulo de almacenamiento se calcula a partir de la frecuencia natural de resonancia y el módulo de pérdida a partir de la velocidad de amortiguación de la oscilación.

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