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MichelleLOyen's picture

"Open source" education

Sun, 2007-12-30 15:07 - MichelleLOyen
education
open access
open source

A new AP article appeared today on  free access to college's educational materials, particularly spot-lighting the MIT Open Course Ware initiative.   Also discussed are available educational materials through iTunes and Youtube.   iMechanica has also got a growing repository of course notes on mechanics topics. 

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yoursdhruly's picture

Traction separation laws in Cohesive zone models - Some Questions

Thu, 2007-12-27 18:09 - yoursdhruly
education
fracture
opinion
cohesive zone model

Hello! 

As a student who has spent a lot of time studying cohesive zone models in fracture mechanics, I have several questions that have bothered me over the past year or so, and I have not been able to find suitable answers to them. I am limiting myself here to questions related to the traction-separation law, which invariably forms the basis of CZM as it is implemented today. I am raising these questions in the hope that I can receive some response here, even if it means my question is invalid (as I suspect a few may be).  So here is my list:

----- 

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Teng Li's picture

NYT most popular article in December features MIT physics professor

Fri, 2007-12-21 13:57 - Teng Li
education
Internet

At 71, Physics Professor Is a Web Star

Most frequently e-mailed by NYTimes.com readers in the past 30 days, the above article features MIT physics professor, Walter H. G. Lewin, on how his free physics lecture videos online have won him devotees all over the world.

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developing a Matlab software to get the natural frequency , and dynamic parameters (modal shape for each mode)

Wed, 2007-12-19 10:08 - sherifgebaly
education

i am trying to develop a matlab program to calculate the natural frequency anf the model shapes for beams

using the finite element method , as i will need to change the stiffness in the beam sections to model cracks.

 i am sure there an easy ready method to perform this , i am happy if some one provided me with the method or the basic code

 

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Random Vibration

Wed, 2007-12-12 06:05 - Arthanareeswaran
education

What is meant by wave number?.  What is the allowable standard power spectral density for road profiles?

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Significance of J1 and J2

Mon, 2007-12-10 22:37 - Ashar Sultan
Forums: 
Materials Forum
Choose a channel featured in the header of iMechanica: 
education

Dear members,

I need some information about the implication or significance of J1 and J2 in granular materials not mathematical represantation which I have.Your feedback will be highly appreciated.Thanks in advance.

 

P = Mean stress or Hydrostatic stress = (σ11 + σ22+ σ33)/3

 

J1 = -3 * p

 J2 = 1/6 *{(σ11 - σ22)2 + (σ22 - σ33)2 + (σ33 – σ11)2}          

 

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Temesgen Markos's picture

GRE Verbal, how much does it count?

Mon, 2007-12-10 10:55 - Temesgen Markos
education

I am in the process of applying for a PhD in computational solid mechanics in the US and I am about to take the GRE. Well I have been kind of busy at my work and didn't really get time to study the word list.

My question is, how much weight does the verbal part have in admission/fellowship/assistantship decisions? If I have really good GPA's and research experience with enthusiastic refrees, can I still make it with medicore results on the verbal part?

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creep in tubes abaqus

Mon, 2007-12-10 02:57 - angaraj
education
creep of tubes

I am a abaqus beginer, I want to know how to analyse creep of tubular component in abaqus. If you have any material regarding this kindly mail me. I need it for my project work.

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Nanshu Lu's picture

ES 240 (Fall 2007) Homework 37-40

Sat, 2007-12-08 16:53 - Nanshu Lu
education
students
ES 240
solid mechanics
homework
harvard
Fall 2007

This is the last problem set this semester. It is due on Friday, Dec. 14, 2007.

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Zhigang Suo's picture

Complex analysis on Wikipedia

Sat, 2007-12-08 16:14 - Zhigang Suo
education
complex number
complex analysis
AM 105a

I'm teaching Applied Mathematics 105a this semester.  The main content of the course is complex analysis.  The course is taken mainly by undergraduate students in Engineering, Physics, and Applied Mathematics.  There are about 70 people in the class, which makes it the largest class I have taught in the last 10 years. I have never taught a course on complex analysis before, but have used complex analysis in my research, and have taught the method of complex variables in my graduate course on elasticity.

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regarding upper bound analysis

Sun, 2007-12-02 04:02 - alex jackson
Forums: 
Ask iMechanica
Choose a channel featured in the header of iMechanica: 
education

please help me regarding UPPER BOUND ANALYSIS for KINEMATICALLY ADMISSIBLE SOLUTION.AND how can i ploat the hodograph for any kind of indentation..try to help me with the figures..as soon as possible guys.

 

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Plasticity

Fri, 2007-11-30 19:35 - Ray_Lau
Forums: 
Ask iMechanica
Choose a channel featured in the header of iMechanica: 
education
Free Tags: 
Plasticity
von mises

Dear all,

Do you have any reference about the theory of plasticity? Especially about flow theory and von Mises yield criterion?

For example if I have an effective stress - plastic strain relationship, and I after yielding, I increase my strain again, how can I obtain the increment of the plastic strain and the stress deviator tensor?

Thanks a lot.

Best,

Ray

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graduation project request

Wed, 2007-11-28 22:45 - sadook
education

Good morning,

My name is Sadok BLANCO; I am an engineering student at the Tunisia Polytechnic School.
I’m writing for you to ask my acceptation to carry out a graduation project and I am looking for one from you that can propose to me to work with him.

I am an engineering student at the Tunisia Polytechnic School (TPS) which provides a multidisciplinary training for its students. Its main purpose is to enable them to assume both technical and administrative responsibilities.

As a future engineer from TPS, I will be able to design, analyze and manage some complex systems thanks to versatile study program including theoretical and applied training in mathematics, physics, economics and languages.

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learn FEM

Sat, 2007-11-24 05:50 - Chandana M Bandara
Forums: 
Ask iMechanica
Choose a channel featured in the header of iMechanica: 
education
Free Tags: 
studing FEM

help me to  learn  FEM .I'm a new one for that.

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m_meisam's picture

Modeling Concrete!

Fri, 2007-11-23 14:41 - m_meisam
education

Dear guys!

Is there anyone who made a dynamic model of concrete in Abaqus/Explicit?

I need a *.py file of concrete modeling!

Please help me!

Regards

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Henry Tan's picture

Industrial Placement & Individual Projects (2007/2008)

Wed, 2007-11-21 02:52 - Henry Tan
education
molecular dynamics
impact
energetic materials
explosion
Material Point Method
design
industry placement

Industrial Placement (2007/2008)
Supervisor: Henry Tan
School of Mechanical, Aerospace and Civil Engineering
The University of Manchester

Material Point Method for impact, fracture, fragmentation and explosion
Mr. Jayveer Thakoor

Industrial Placement: Optimising superplastic form die shape for next generation aero engine production, a design project from Rolls-Royce plc.
Mr. Waqas Ahmad

 

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about generating moving load

Sun, 2007-11-18 18:15 - Nondon
education

Hi all,

I want to generate moving cyclic load to analyse bridge. I have written dload subroutine. But when I am trying to submit the job, its only showing that "JOB has been submitted for analysis". But its not doing anything. Please help on this issue.

Thanks,

Nondon 

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Request Elasticity Lecture Notes

Sun, 2007-11-18 00:41 - Ray_Lau
Forums: 
Ask iMechanica
Choose a channel featured in the header of iMechanica: 
education

Hi all,

Do you have some lecture notes in Elasticity course? Especially about plane stress/strain, airy stress function, variational and energy method?
Because I really want to improve myself in this.
And if I have a potential energy equation by variational principle, how can I obtain the displacement equation?

Thank you very much.

Best,
Ray

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Abaqus Example

Fri, 2007-11-16 04:17 - Neyna
Forums: 
Ask iMechanica
Choose a channel featured in the header of iMechanica: 
education

  I have just started working on ABAQUS (6.6.1) and have practised simple tutorials.I need to work on the plastic analysis of tubular structures..If any one of you have got any tutorial on tubular structures..please send me..Expecting a positive response.....

Thank you,
Regards..
Neyna

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Subject Guides from the IMechE

Mon, 2007-11-12 10:40 - Martin Pratt
education
library
imeche
subject-guides
resources

In order to try and get some of the vast store of engineering information we're sitting on out to a wider audience we've created a number of occasional subject guides for engineers and students. The aim is to highlight sources of information available from our Library and the Institution itself.

You can see an example of one of these (for the aerospace industry) here, from which you can browse to a whole host of others.

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