## Wednesday, February 12, 2014

### ED7007 MODAL ANALYSIS OF MECHANICAL SYSTEMS Syllabus | Anna University ME Engineering Design Second Semester Syllabus Regulation 2013

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### Anna University Syllabus - Anna University ME Syllabus

ED7007 MODAL ANALYSIS OF MECHANICAL SYSTEMS Syllabus | Anna University ME Engineering Design Second Semester Syllabus Regulation 2013. Below is the Anna University 2013 Regulation Syllabus for 2nd Semester for ME Engineering Design, Textbooks, Reference books, Exam portions, Question Bank, Previous year question papers, Model question papers, Class notes, Important 2 marks, 8 marks, 16 marks topics.
It is applicable for all students admitted in the Academic year 2013-2014 onwards for all its Affiliated institutions in Tamil Nadu.

### ED7007 MODAL ANALYSIS OF MECHANICAL SYSTEMS L T P C 3 0 0 3

OBJECTIVES:
 To impart knowledge on modal testing, modal analysis of single and multi- degree of freedom
systems.
OUTCOME:
It helps the students to get familiarized with the modal testing, modal analysis of single and multidegree
of freedom systems.
UNIT I OVERVIEW 6
Introduction to Modal Testing – Applications of Modal Testing – Philosophy of Modal Testing –
Summary of Theory – Summary of Measurement Methods – Summary of Analysis – Review of
Test Procedure.
20
UNIT II THEORETICAL BASIS 12
Introduction – Single Degree of Freedom (SDOF) System Theory – Presentation and Properties of
FRF Data for SDOP System – Undamped Multi-degree of freedom (MDOF) system – Proportional
Damping – Hysteretic Damping – General Case – Viscous Damping – General Case –
Characteristics and presentation of MDOF – FRF Data – Complete and incomplete models - Nonsinusoidal
vibration and FRF Properties – Analysis of Weakly Nonlinear Structures.
UNIT III MOBILITY MEASUREMENT TECHNIQUES 10
Introduction – Basic Measurement System – Structure preparation – Excitation of the Structure –
Transducers and Amplifiers – Analyzers – Digital Signal Processing – Use of Different Excitation
types – Calibration – Mass Cancellation – Rotational Mobility Measurement – Measurement on
Non linear structures – Multi point excitation methods.
UNIT IV MODAL PARAMETER EXTRACTION METHODS 11
Introduction – Preliminary checks of FRF Data – SDOF Modal Analysis-I – Peak-amplitude –
SDOF Modal Analysis-II – Circle Fit Method – SDOF Modal Analysis III – Inverse Method –
Residuals – MDOF curve-fitting procedures – MDOF curve fitting in the Time Domain – Global or
Multi-Curve fitting – Non linear systems.
UNIT V DERIVATION OF MATHEMATICAL MODELS 6
Introduction – Modal Models – Display of Modal Model – Response Models – Spatial Models –
Mobility Skeletons and System Models.
TOTAL : 45 PERIODS
REFERENCES
1. Ewins D J, “Modal Testing: Theory and Practice “, John Wiley & Sons Inc., 1988
2. Nuno Manuel Mendes Maia et al,” Theoretical and Experimental Modal Analysis”, Wiley John &
sons, 1997.