2. Systems with N degrees of freedom
The behavior of self-joining, conservative mechanical structures can be represented by the following matrix equation:
M represents the mass matrix, real, symmetrical, positive definite*, K the stiffness matrix, real, symmetrical, non-negative definite**. Both matrices are of dimension (N,N).
f (t) represents the vector of exciting forces. In the harmonic regime, f (t) = f · est, where...
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Systems with N degrees of freedom
Experimental modal analysis techniques
References
- (1) - EWINS (D.) - Modal testing : theory and practice - . Éditions Wiley and Sons, 1984.
- (2) - SWEVERS (J.), HEYLEN (W.) - Time domain identification methods for modal analysis (Stratégies d'identification des structures par l'essai de vibration) - . Journée de la Société Française des Mécaniciens. (SFM), septembre...
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