BSDS-EMA-test2

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ME657 - Special Topics in Solid Mechanics

Experimental Structural Dynamics

       

Instructors:
Giuliano Coppotelli     

Chiara Grappasonni

University of ROME

SAPIENZA

 

Coordinator:

Pier Marzocca

 

MAE Dept.

Clarkson University

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HOME

CLASS
MATERIAL

(PDF and RECORDING)

Syllabus (PDF)

Class Notes (PDF are in DropBox folder, recording are provided by links):

ME-657-1

(PDF)


Basics on strain gage working principles (1/2)

ME-657-2

(PDF)


Basics on strain gage working principles (2/2)

ME-657-3

(PDF)


Basics on accelerometer and load cell working principles

ME-657-4

(PDF)


Excitation systems, hammer and shaker

ME-657-5

(PDF)


Basic on signal processing (DFT, Aliasing,

Leakage/windowing)

ME-657-6

(PDF)


Random process (auto-cross correlations, power spectral

densities, Wiener-Khintchine's Theorem)

  

ME-657-7

(PDF)


Hands-on signal processing with some (provided) MATLAB

functions (1/2)

 

 

 

ME-657-8

(PDF)


Hands-on signal processing with some (provided) MATLAB

functions (2/2)

ME-657-9

(PDF)

 

Background on structural dynamics, experimental modal

analysis, and estimating techniques

 

 

ME-657-10

(PDF)

 

SDOF-frequency domain method for modal parameter

estimates

ME-657-11

(PDF)

 

Use of the "Half-Power Bandwidth" method (1/2)

ME-657-12

(PDF)

 

Use of the "Half-Power Bandwidth" method (2/2)

ME-657-13

(PDF)

 

MDOF-frequency domain method for modal parameter

estimates

ME-657-14

(PDF)

 

MDOF-time domain method for modal parameter estimates

 

ME-657-15

(PDF)

 

Use of the "LMS-PolyMAX" method for modal parameter

Estimates (1/2)

ME-657-16

(PDF)

 

Use of the "LMS-PolyMAX" method for modal parameter

Estimates (2/2)

 

ME-657-17

(PDF)

 

Modal Validation

ME-657-18

(PDF)

 

F.E. Model Correlation and basics on Structural Updating

ME-657-19

(PDF)

 

Background on time-domain method in operational modal

analysis

 

ME-657-20

(PDF)

 

Background on frequency domain method in operational

modal analysis

ME-657-21

(PDF)

 

Background on Static Tests and Evaluation of Stiffness Properties

ME-657-22

(PDF)

 

Background on Fatigue Tests

 

Hand-on strain measurements

ME-657-23

(PDF)

 

Test case for modal testing and F.E. correlation (1/2a)

 

(1/2b)

ME-657-24

(PDF)

 

Test case for modal testing and F.E. correlation (2/2)

 

 

ME-657-Extra

(PDF)

 

Static and Fatigue Testing at NREL

 

 

 

 

 

Math:

Matlab

Linear Algebra

Eig Solution with Matlab

PREREQUISITES

Mechanical Vibration and dynamics or equivalent

BRIEF COURSE
OUTLINE

Application of the main methodologies for dynamic experimental investigation of

aerospace structures aimed to support engineers in structural dynamics

identification, verification and in-flight/operational qualification.

REFERENCES

· Bendat, J.S., Piersol, A.G., Random Data, John Wiley and Sons, Inc., 2nd

edition, 1986.

· Shin, K, Hammond, J.K., Fundamentals of Signal Processing for Sound and

Vibration Engineers, Wiley, 2008.

· Pintelon, R., Schoukens, J., System Identification: A Frequency domain

Approach, Institute of Electrical and Electronics Engineers, Inc., 2001.

· Ewins, D.J., Modal Testing: Theory, Practice and Application, Research study

press LTD, Wiley, 2000.

· He, J., Fu ZF., Modal Analysis, Butterworth-Heinemann, 2001.

· Heylen W., Lammens S., Sas P., Modal Analysis Theory and Testing, KU

Leuven, 2007.

· Inman, D.J., Vibration with Control, Wiley, 2006.

LEARNING
OBJECTIVES

Application of the main methodologies for dynamic experimental investigation of

aerospace structures aimed to support engineers in structural dynamics

identification, verification and in-flight/operational qualification.

COURSE
GOALS

The students will develop the necessary skills to characterize the dynamic behavior of structures.

ADOBE CONNECT

DISTANCE LEARNING

 

As a distance learning student, you will find the following information helpful to successfully attend live on-campus lectures. 

 

How to Join:

Enter with your account info, and fill in the login and password fields:

http://clarkson.adobeconnect.com/me657esd/

 

PLEASE NOTE:

 

·         We will be doing full two-way AUDIO and VIDEO.  Check that your computer’s speakers, microphone and web cam are operational. 

 

·         Utilize PC/Lap top with WIRED, broadband Internet connection ONLY for optimal meeting experience.

 

·         We will begin opening the meeting room at 4:30 pm.  Final sound / video check at 4:45 pm.

 

·         Close ALL unnecessary applications during System Check & Meeting.

 

·         Eliminate sources of potential background noise - paper shuffling on the conference phone speaker, close your office door, turn off other beepers & ringers.

 

·         Contact telephone numbers at meeting time:

Professor: 315-244-6984 (Pier Marzocca, coordinator)

 

·         Once in the meeting room, you can troubleshoot sound and microphone issues, GO TO: Meeting>Audio Set Up Wizard

 

Steps to take BEFORE the event:

 

·         Reply with a telephone number you can be reached at just prior/during the meeting.

 

·         If you have exceptions to the speaker/microphone/web cam requirements, please send them to me ASAP.

 

·         If you have never attended an Adobe Connect meeting before:

Test your connection: https://clarkson.adobeconnect.com/common/help/en/support/meeting_test.htm

 

CLASS DAY/TIME/LOCATION

 

March 4-7, March 11-14, March 25-28, 2013.

M T W & Th, 5:00 PM EST – 7:00 PM EST

Each week there are also 8 hours laboratory (coordinate with instructor)

ROOM: CAMP 175 and ADOBE CONNECT

 

WEEK BY WEEK OUTLINE

 

Week 1 (MTWT 5:00PM-7:00PM)

3/4 - Day 1

Class 1 - 50m: Basics on strain gage working principles (1/2)

Class 2 - 50m: Basics on strain gage working principles (2/2)

3/5 - Day 2

Class 3 - 50m: Basics on accelerometer and load cell working principles

Class 4 - 50m: Excitation systems, hammer and shaker

3/6 - Day 3

Class 3 - 50m: Basic on signal processing (DFT, Aliasing,

Leakage/windowing)

Class 4 - 50m: Random process (auto-cross correlations, power spectral

densities, Wiener-Khintchine's Theorem)

3/7 - Day 4

Class 7/8 -

2h in Lab: Hands-on signal processing with some (provided) MATLAB

functions

Laboratory training (8 hours/week): Tue/Thu 1:00PM-5:00PM.

Week 2 (MTWT 5:00PM-7:00PM)

3/11 - Day 5

Class 9 - 50m: Background on structural dynamics, experimental modal

analysis, and estimating techniques

Class 10 - 50m: SDOF-frequency domain method for modal parameter

estimates

3/12 - Day 6

Class 11/12

2h Lab: Use of the "Half-Power Bandwidth" method

3/13 - Day 7

Class 13 - 50m: MDOF-frequency domain method for modal parameter

estimates

Class 14 - 50m: MDOF-time domain method for modal parameter estimates

3/14 - Day 8

Class 15/16

2h in Lab: Use of the "LMS-PolyMAX" method for modal parameter

estimates

Laboratory training (8 hours/week): Tue/Thu 1:00PM-5:00PM.

Week 3 (MTWT 5:00PM-7:00PM)

3/25 - Day 9

Class 17 - 50m: Modal Validation1

Class 18 - 50m: F.E. Model Correlation and basics on Structural Updating

3/26 - Day 10

Class 19/20

2h in Lab: Test case for structural updating

3/27 - Day 11

Class 21 - 50m: Background on time-domain method in operational modal

analysis

Class 22 - 50m: Background on frequency domain method in operational

modal analysis

3/28 - Day 12

Class 23 - 50m: Background on Static and Fatigue Tests

Class 24 - 1h30m: Evaluation of stiffness properties of sample structure/

fatigue test

Laboratory training (8 hours/week): Tue/Thu 1:00PM-5:00PM.

 

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Copyright ©2003- Marzocca Piergiovanni. All rights reserved. Privacy policy. Sunday, 9-Mar-2013 08:37:09 ET