Two Days Pre-Course: "Operational Modal Analysis: Background, Theory & Practice"

A two days pre-course in Operational Modal Analysis is planned for May 8th to May 9th.

Who Should Attend 

Engineers and researchers who have basic knowledge of modal analysis and who would like to expand their knowledge into the field of Operational Modal Analysis in order to be able to solve the problems when the excitation is unknown as in civil structures excited by wind traffic etc. or mechanical structures in operational conditions such as rotation.

Course Outline

  • Welcome and Introduction
  • Signal vs. System Analysis
  • Operational Modal Analysis Theory
  • Frequency Domain Decomposition, FDD
  • Enhanced Frequency Domain Decomposition, EFDD
  • Curvefit Frequency Domain
  • Decomposition, CFDD
  • Stochastic Subspace Identification, SSI
  • State Space Models
  • Harmonic Detection using Kurtosis
  • Use of Projection Channels
  • Time-Frequency Analysis
  • Applications and use of OMA
  • Test Planning, Testing and Data Quality Control
  • Application Examples and Case Studies 


  • €350 (€200 students) with registration before March 6th,2017
  • €400 (all) with registration from Marcht 6th, 2017

Pre conference Fee includes: course notes in digital format, lunches and coffee breaks


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Prof. Svend Gade
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Prof. Carlos E. Ventura

Prof. Svend Gade—Brüel & Kjær University 

Prof. Gade joined Brüel & Kjær in 1980, where he is now working as an application specialist in the Sound & Vibration Measurement A/S. Currently he is an Associate Professor at the Brüel & Kjær University. His responsibilities include digital signal analysis, sound intensity, sound power, modal analysis, signature analysis, acoustic holography and Sound Quality. He has written more than 150 papers and articles and lectured extensively throughout the world including Japan and USA. Prof. Gade holds an M.Sc. degree from the Danish Technical University in Copenhagen in electronics/acoustics and is educated as a lecturer as well. He is a member of the Institute of Noise Control Engineering, INCE and SEM, the Society for Experimental Mechanics, Inc.

Prof. Carlos E. Ventura— The University of British Columbia 

Carlos Ventura is a Civil Engineer with specializations in structural dynamics and earthquake engineering. He has been a faculty member of the Department of Civil Engineering at the University of British Columbia (UBC) in Canada since 1992. He is currently the Director of the Earthquake Engineering Research Facility (EERF) at UBC, and is the author of more than 450 papers and reports on earthquake engineering, structural dynamics and modal testing. Dr. Ventura has conducted research about earthquakes and structural dynamics for more than thirty years. In addition to his academic activities, Dr. Ventura is a recognized international consultant on structural vibrations and safety of large Civil Engineering structures. He is a member of the Canadian Academy of Engineering and of the Engineering Institute of Canada, and Fellow of Engineers Canada. He is also a member of several national and international professional societies, advisory committees and several building and bridge code committees.

Additional seminar on friday afternoon

We are happy to announce that Dr. Andersen and Dr. Döhler have offered to hold a closing course on Friday afternoon. Here are the details, please tick your attendance in the registration form:

"Advanced Operational Modal Analysis using Stochastic Subspace Identification and its Applications" by Dr. Palle Andersen, Denmark, and Dr. Michael Döhler, France

Schedule: Friday May 12th, 2017 form 2pm to 6pm.
Costs: 80 € per participant

The course will go through the theory and practice of:

  • Stochastic state space modelling
  • Subspace identification of system matrices including the stochastic part
  • Estimation of uncertainties of modal parameters and how to estimate accurate global modes
  • Damage detection using the SSI framework.