NAFEMS Webinar Series

Modal Analysis in Virtual Prototyping and Product Validation

 

View webinar slides (PDF)

Webinar Recording

(Members Only)

 

Designing products experiencing dynamic loads is a challenge faced by practicing engineers in a wide spectrum of industries. This ranges from appliances through large wind turbines to offshore oil rigs. It is important to design systems deterministically. At the same time, product needs to get to market on time with quality and reliability and within target product costs.

This webinar focuses on the optimal use of simulation and experimentation in modal analysis. Modal analysis is a system identification method that can be used to determine the natural frequencies, damping and mode shapes of a physical system, be it a gas turbine, wind turbine, automotive wheel, bridge, offshore structures. Modal Analysis can be performed on a virtual prototype and physical prototype. The tools and methods of modal analysis vary depending on whether it is done on a virtual or physical prototype.

This webinar was a live demonstration of modal analysis performed on a set of physical prototypes and computer models. The concepts that were demonstrated include:

 

  • What is Modal Analysis?
  • Why Perform Modal Analysis?
  • Finite Element Approach to Modal Analysis?
  • Gaps in the Finite Element Approach
  • How to use Experimentation to Bridge the Gaps?
  • Sensors, Instrumentation and Software for Experimental Modal Analysis?
  • Correlation of Finite Element Analysis and Experimental Modal Analysis?
  • A Quick Overview of Mathematics and Physics of Modal Analysis

Agenda

Welcome & Introduction

Matthew Ladzinski, NAFEMS North America

Modal Analysis in Virtual Prototyping and Product Validation

Mr. Dhanushkodi,.D.M, TechPassion Technologies Pvt. Ltd

Q & A Session



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