3. Experimental modal analysis techniques

The aim of experimental modal analysis is to identify the modal parameters of a structure from dynamic tests, which involves :

• determining the number of modes present in an analysis frequency band;

• for each mode :

  • the evaluation of the complex natural pulsation s _ν = - a _ν ω _ν + jω _ν ,

  • determination of the associated normalized complex eigenvector _d...