CE 573 Structural Dynamics Homepage

CE573 Structural Dynamics

Welcome to the CE573 Fall'16 website

CONTACT INFORMATION

Instructor: Ayhan Irfanoglu

ayhan@purdue.edu; HAMP 4117; Ph: (765) 49-68270

Office hours: MW 1:00-3:00pm

Course Info

Syllabus

Class schedule:

Exam schedule:

Homeworks

Distribution of homework problems or solutions is against the course honor code.

Supporting Documents

PPT on nonlinear response
Paper on stability of numerical methods - Nickell [only for fair use]
Collocation, dissipation, and overshoot for time integration schemes in structural dynamics - Hilber and Hughes [only for fair use]
A method of computation for structural dynamics - N.M. Newmark [only for fair use]
On dimensional analysis and scaling laws:
- Dynamic testing of structures using scale models
- Use of scaling laws as applied in geotechnical engineering
Response of MDOF buildings to earthquake ground motion (class presentation)
Sample problems from previous years
Sample problems from previous years (set #2)
Sample problems (set #3)
Tuned Mass Damper presentation slides
Fourier Series example
Fourier Series lectures (lectures #15 and #16 on iTunes website; corresponding lecture sites are available on MIT OCW and MIT OCW02, respectively)
Response Spectra presentation
Handout on response of harmonically forced SDOF structures
Video links: E-Defense shaketable movies and information on the World's largest shaketable.
An investigation into the theory of resonance testing -- Bishop and Gladwell [only for fair use]
Damping in composite structures -- L.S. Jacobsen [only for fair use]
Structural damping values as a function of dynamic response stress and deformation levels - J.D. Stevenson [only for fair use]
Propagation of heat in solid bodies (in French) - J. Fourier, introducing "Fourier" series (1807)
Transient oscillations in elastic systems. General theorems. Vibrations of buildings during earthquake. Critical torsional vibrations of accelerated rotating shafts - M. Biot (1932) (Thesis)
An investigation of the effects of earthquakes on buildings - G.W. Housner (1941)(Thesis)
Biot response spectrum - M. Trifunac (2006) [only for fair use]
A Study of Vertical and Horizontal Earthquake Spectra [only for fair use]
Seismic Design Spectra for Nuclear Power Plants - N.M. Newmark, J.A. Blume, and K.K. Kapur [only for fair use]
Review of the Development of the Capacity Spectrum Method - S.A. Freeman [only for fair use]

Other Documents, Websites

Lectures on linear algebra by Dr. Gilbert Strang

Lagrange's method lecture notes by Dr. Charalampos Skokos

Rayleigh's quotient examples; iterated using Newmark's method [caveat emptor! cell values may not be automated]
Working Model files demonstrating response spectra concepts (file 1: different periods, same damping ratio and file 2: same period, different damping ratios)
Working Model file for viscously damped vs. friction damped SDOFs under harmonic loading example
On ASCE-31 and ASCE-41. Article by G. Searer, T. Paret, and S. Freeman (2008) [only for fair use]
On tuned mass dampers, by J. Connor [only for fair use]
Hardy Cross essays (great essays!) and on Hardy Cross
CE571 - Earthquake Engineering website - M. Sozen, Purdue University
Acoustics and Vibrations animations - D. Russell, Kettering University
Vibrations website - B J Stone, The University of Western Australia
Matrices, matrix algebra, matrix identities (To refresh your memory; not all is relevant. Your matrix methods/linear algebra notes/textbook could be better.)

Software, Animations, Videos

Time-lapse video showing the construction of the 3-story structure at the Bowen Lab
Doctoral thesis on the 3-story Bowen Lab flat-plate structure, by Damon Fick
Working Model 2D (you can get an 8-day evaluation version from the website; let me know if you try the software); check out these WM2D examples
Cymatics
BiSPEC (Linear and nonlinear spectra generator)
Phantom2 (Linear spectra generator) (LOCAL COPY on CE573 website)
PRISM (linear/nonlinear SDOF earthquake response analysis and response spectra generation software)
Scilab (a free scientific software similar to Matlab)
SMath (a free software similar to Mathcad)
Center for Engineering Strong Motion Data
COSMOS Virtual Earthquake Data Center
PEER Strong Ground Motion Database (by the Pacific Earthquake Research Center and UC Berkeley)
Fourier Series Applet (turn the sound on)
Digital Filter Applet (turn the sound on)
Differential Equation Applet (play!)
Walking animation (make sure you turn on the "lines" option)
Bowen Lab webcam (updated every minute)
Videos: SDOF forced vibration demonstration (1); SDOF forced vibration demonstration (2)
Another Fourier Series Applet (one of many on the Internet) and yet another Fourier Series Applet
Collection of neat applets demonstrating principles of vibration, dynamics, wave mechanics, and more.
ODE Toolkit (graphical ordinary differential equation solver)
MyPhysicsLab -- Physics simulation with Java (highly interactive and interesting)

Question: Is an exact analysis of an approximate model an approximate analysis of the exact model?

"All analyses are based on some assumptions which are not quite in accordance with the facts. From this, however, it does not follow that the conclusions of the analysis are not very close to the facts." - H. Cross

"As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.” - A.Einstein

Dragline: Why you got to go and say fifty eggs for? Why not thirty-five or thirty-nine?
Luke: I thought it was a nice round number.

[from Cool Hand Luke]

"The secret of joy in work is contained in one word -- excellence. To know how to do something well is to enjoy it." - Pearl Buck, Pulitzer Prize-winning American writer

"One pound of learning requires ten pounds of common sense to apply it." - Persian proverb

last update: 15 December 2016

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