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Experimental modal analysis (EMA) is the study of a structure’s dynamic properties (natural frequencies, damping coefficients, mode shapes, etc.) using experimental data. FAI is able to provide a one-stop-resource for structural engineering issues including analyzing a problem, engineering a solution, verification, as well as oversight of fabrication and installation, as required.

 

 

Download this technical bulletin to learn about:

 

  • The limitations with experimental modal analysis (EMA)
  • Obtaining frequency response functions (FRF)
  • Extracting mode shapes from the FRFs

 

FAI Obtaining Mode Shapes