Modal Analysis and FEA-Test Correlation Seminar

Evento | 11 septiembre 2019 8:00 AM EDT
5555 New King Drive, Troy, MI 48098

Join us for an informative and educational day covering Modal Testing and FEA-Test Correlation

Siemens PLM cordially invites you for an informative and educational day covering the modal analysis testing and FEA-Test correlation on September 11, 2019.

This seminar can help you answer questions like:

  • What is modal analysis? Why are resonant frequencies important?
  • How can I prove that my simulation model is accurate? How can I get realistic damping?
  • What is the significance of frequency response functions (FRFs) and how can they help me?
  • What is the Modal Assurance Criterion, and what role does it play?

This seminar is designed for anyone who wants to learn how to perform modal analysis. Live demonstrations will be given throughout to help reinforce the topics.

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8:00AM EDT

Welcome and coffee

8:30AM EDT

Structural Dynamics

  • Resonances
  • Frequency response functions (FRFs)/li>
  • Excitation techniques (hammers, shakers, etc.)/li>

9:15AM EDT

Measurement Considerations

  • Sampling rate, blocksize, acquisition time
  • Bandwidth, spectral lines, frequency resolution
  • Window (hanning, flattop, etc.) and leakage

10:00AM EDT


10:15AM EDT

Measurement Considerations cont.

  • FFTs, phase, autopowers
  • Autopowers vs. power spectral density (PSDs)

11:30AM EDT


12:30PM EDT

Structural Analysis

  • Modal curvefitting techniques
  • Modal synthesis
  • Modal assurance criterion (MAC)

2:00PM EDT


2:15PM EDT

Structural Analysis

  • Modification prediction
  • Accelerometer mass compensation
  • FE-Test correlation

4:30PM EDT