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Modal Analysis in Virtual Prototyping and Product Validation

Modal Analysis - Theory, Experiments and Applications in New Product Development. Whether it is automotive industry or aerospace industry, there is a certain Moore's Law that accelerates the rate of launch of new products. The product designers are under increasing pressure to launch the best quality products faster and under strict budgets. In the automotive, aerospace and many other industries, new products are developed and tested to meet the harsh real world load conditions. These products are subjected to dynamic loading conditions while in service.

It is a well known fact that simulation and Experimental testing go hand in hand in the development of new products. Simulation or virtual prototyping can provide significant cost and time savings if used correctly. At the same time, experimentation cannot be completely eliminated. Modal Analysis is one of the tools a designer uses to develop and analyze new product designs. Modal analysis can be performed both through simulation and experimentation. There are various aspects of Modal Analysis one needs to understand to use the tool effectively to design new products.

Importance of the workshop for organisations using FEM

  • The tutorials were handled by experienced industry exposed users of FEM.
  • This workshop offered vital guidance to judge which approximations are acceptable for solving the practical problems
  • Attendees learnt the easiest way of reducing product development cycle by an incredible extent validating the product design during its inception stages.
  • This workshop helped confirm FEA modals so as to gain confidence in them.
  • It helped Identify the failure modes in the prototype quickly.
  • The methods of verifying and validating the FEM results were demonstrated with real world case studies.
  • The globally recognised NAFEMS benchmark standards for FEM were explained.
  • Each participant was provided with high quality training notes.

Session Notes

Workshop Sessions 1 & 2

 

Workshop Sessions 3, 4, 5 & 6

 

Details

Event Type: Workshop
Location: Pune India
Date: November 28, 2008

Workshop Topics

  • Introduction to Modal Analysis
  • FE method for Modal Analysis
  • Experimental Modal Analysis
  • Physics and Math’s of Modal Analysis
  • Time Domain Analysis
  • Frequency Domain Analysis
  • Sensors in Vibration Testing
  • Selection and Use of Sensors
  • DAQ and software for Modal Analysis
  • Case Studies

Experimental Modal Analysis and FEA Test Correlation on

  • Exhaust Pipe
  • Automotive Wheel
  • Vehicle Frame

Tutor

Mr. Dhanushkodi .D.M
Managing Director & CEO
TechPassion Technologies Pvt. Ltd

Dhanushkodi earned a B.Tech in Mechanical Engineering from Indian Institute of Technology, Madras. He did his graduate studies at the Massachusetts Institute of Technology and earned Masters in Mechanical Engineering. His graduate thesis involved the design and development of high speed positioning systems with applications in semiconductor and machine tool industry. His bachelors thesis led to the development of a custom built finite element software for analyzing rotating machinery using the cyclic symmetry. This led to a journal publication in the "Advances in Engineering Software".

He worked as a Research Engineer at the General Electric Global Research Center before founding Tech Passion Technologies Private Limited. At GE, he worked on research projects and product development programs in industries spanning automotive, locomotive, and medical imaging. He, along with his colleagues at MIT has developed a methodology of system identification of precision machines using Modal analysis approach.