Analysis of electro-mechano-acoustical circuits

Calculation of the mechanical admittance

Question

  • By considering that the radiation impedance loading the two faces of the membrane suspended by its peripheral suspension can be reduced to two radiation masses, give the expression of the mechanical admittance presented by this membrane.

  • Plot the module of this transfer function relative to the frequency.

Solution

The electrical admittance is written:

Or:

A representation of the module of the admittance relative to frequency is the following:

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AccueilAccueilImprimerImprimer Pierrick Lotton, Hervé Lissek and Manuel Melon Réalisé avec Scenari (nouvelle fenêtre)