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David J Unger's picture

A hydrodynamic analogy to the crack driving force

Students often have a tough time understanding the crack driving force in an elementary course on fracture mechanics.

A recent free access article has been published on a fluid analogy to the crack driving force and the Riabouchinsky free streamline problem for ideal fluid flow around two plates.  Hopefully this analogy can aid in the visualization.

Fully-funded PhD Opportunity in 3D Printing of Smart Materials

We are looking for an Academic Associate to join the Department of Engineering.  This post is part-time and in addition you will be required to register for a PhD part-time for the duration of the 5-year post. Part-time PhD fees will be paid by the Department for 5 years and the PhD will be in the area of 3D printing of Smart Shape Memory Materials for Advanced Sensors and Actuators.

 

PhD Title: 3D printing of Smart Shape Memory Materials for Advanced Sensors and Actuators

ebarbero's picture

mechanics of composite materials teaching--online homework

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Just released, 105 homework problems for mechanics of composite materials in Webwork environment. You can choose 105 randomized (each student gets different data) or the same 105 problems but not-randomized to make it easier to teach online (all students work with same data so it is easier to answer questions online). Take a look at this introductory Youtube video.  

https://www.youtube.com/watch?v=5QP145G7B6I

Fully-funded PhD Opportunity in Smart Materials (Academic Associate)

We are looking for an Academic Associate to join the Department of Engineering. This post is part-time and in addition you will be required to register for a PhD part-time for the duration of the 5-year post. The PhD is not part of the Academic Associate position. Part-time PhD fees will be paid by the Department for 5 years and the PhD will be in the area of 3D printing of Smart Shape Memory Materials for Advanced Sensors and Actuators.

 

stefanogonella's picture

PhD positions in mechanics of metamaterials at the University of Minnesota

PhD positions are available at the University of Minnesota in the group of Prof. Stefano Gonella. The positions are in the general area of mechanics and physics of solids and structures, with emphasis on mechanical metamaterials. Topics of current interest are:

1) Topological metamaterials;

2) Nonlinear waves in metamaterials and architected solids;

3) Tunable and programmable metastructures.

Jayadeep U. B.'s picture

Work-Energy principle: Doubt regarding zero initial velocity assumption

I have a basic doubt from engineering mechanics. We have the work-energy principle stating that the work done by the forces acting on a partile is equal to the change in kinetic energy of that particle. However, the kinetic energy is a qudratic function of the velocity of the particle, and hence the change in kinetic energy for a given change in the velocity would depend on the initial velocity of the particle, before the work is done by the forces acting on it.

Yaning Li's picture

Ph. D and Post-doc positions in Northeastern University, Boston

Ph.D and Post-doc positions are now open in the Department of Mechanial and Industry Engineering (Mechanics, Biomimetics and 3D printing Lab)  at Northeastern University. Students and researchers with background in solid and structure mechanics, materials science and engineering are welcome to apply! 

If interested, please directly email CV to Professor Yaning Li:  y.li@northeastern.edu

 

Academic Associate: Fully-Funded PhD Position in Engineering (Smart Materials)

We are seeking to appoint an enthusiastic and talented Academic Associate to contribute to research and teaching in the Department of Engineering at Nottingham Trent University. Most of the teaching will be in the format of seminars, laboratory classes and tutorials. The academic associate post is part-time (0.5 FTE) and in addition, you will be required to register for a PhD part-time for the duration of the 5-year post.

PhD Title: 3D Printing of Smart Shape Memory Materials for Advanced Sensors and Actuators

Master of Science in Biomedical Engineering Program - East Carolina University

The Masters of Science in Biomedical engineering (MSBE) is a research oriented degree program that is administered by the Department of Engineering in the College of Engineering and Technology. ECU MSBE is a two-year program with a minimum of 32 semester hours of coursework and thesis.

Master of Science in Mechanical Engineering Program - East Carolina University

The Masters of Science in mechanical engineering (MSME) is a research oriented degree program that is administered by the Department of Engineering in the College of Engineering and Technology.

Mike Prime's picture

Residual Stress 101: One day course at SEM conference

The day before the SEM Conference this June in Reno, Nevada, USA, we will be teaching a short course entitled Residual Stress 101: https://sem.org/annualprogram. See below for a description of the course. We will cover lots of practical material on residual stresses, much of which is not covered in standard engineering curricula. This is great material for any interested researcher who never got a comprehensive background in residual stress. It will also be great for graduate students or advanced undergrads, and students pay half price.

What causes the other: Stress cause strain or Strain cause stress ( Conjugated Polymers)

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 I am struggling in understanding a theorem related to a conjugated polymer which is based on the electro-chemo-mechanical working principle.

The basic idea of the actuator is constructed from three layers, the up and bottom are conductive and the medium layer is dielectric and when the voltage applied the ions migrates to fill the holes.

It is mentioned that the expansion is happening because of the migration of the ions and then the stress occurs.

I don't agree with it as what makes the ions migrate is the electrostatic force and then the strain occurs.

CISM course "The Art of Modeling in Computational Solid Mechanics"

Dear colleagues,

We are pleased to inform you about the CISM course

"The Art of Modeling in Computational Solid Mechanics"

coordinated by Jörg Schröder and Peter Wriggers
which takes place in Udine from Oct 7, 2019 - Oct 11, 2019.

Ravindra Duddu's picture

PhD position in computational fracture and damage mechanics

The Computational Physics and Mechanics Laboratory (CPML) at Vanderbilt University is seeking one PhD student interested in the area of computational fracture and damage mechanics.

rajan_prithivi's picture

How do I do multiple restarts is ABAQUS ?

Hello All,

I have been trying to restart an ABAQUS simulation using the command line. The following works fine

########

abaqus job=restart1.inp oldjob=OLD user=UMAT.f cpus=160 scratch=$PWD interactive

########

But when I do the restart for the second time like the following, It gives me an error

########

rajan_prithivi's picture

Real life example of Eigen values and Eigen vectors

Eigen values / vectors finds applications in most engineering disciplines and also in basic sciences. In this video, I tried to explain the  meaning of Eigen values/vectors in a simple way and gave a real life example of the same. Here is the LINK to the video.

Dargazany's picture

PhD position in Theoretical & Experimental Mechanics of High Performance (bio)Materials

 

Our Group of High Performance Materials in Enviormental & Civil Engineering Department at Michigan State University has two openings for PhD positions to work on Multiscale Modeling or Experimental Charachterization of Soft Materials starting Fall 2019.

 

oliver oreilly's picture

A Free Dynamics Textbook: Engineering Dynamics: A Primer (3rd Edition)

Dear Colleague,

The third edition of my textbook Engineering Dynamics:  A Primer, has just been published by Springer and is freely accessible to faculty and students at

https://www.springer.com/us/book/9783030117443

Fabrice Pierron's picture

One week intensive DIC course, 1-5 July, Ghent, Belgium

The 7th edition of the International Digital Image Correlation (DIC) course will be held in Ghent, Belgium, 1-5 July 2019. There are still a few seats available (total participation limited to 20 to ensure maximum interaction). The course consists of lectures, hands-on data processing sessions and labs (camera set-up, 2D DIC and Stereo-DIC). Details and registration available here.

ebarbero's picture

how to access the main page of abaqus-docs.mit.edu

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I found a great tutorial for abaqus/cae at https://abaqus-docs.mit.edu/2017/English/SIMACAEGSARefMap/simagsa-m-Caeb... but I cannot find the main page, which I need to navigate it; I am forced to Google for individual sections guessing at what the section titles migh be; I need a URL to the root page so I can navigate the tutorial like an ebook. 

 

ebarbero's picture

Abaqus startup start-up initialization file Python script

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I  need to find a startup file that Abaqus/CAE reads on startup to add a line of Python to modify the behavior the way I like it. I find myself adding this line manually every time I start Abaqus/CAE and I am tired of it. Like the .gpr file but .grp is a binary file--I cannot add things to it with a text editor. It has to be an initialization file, right? Or may be some other way to do it. Thanks in advance. 

 

ebarbero's picture

Abaqus startup start-up initialization file Python script

I need to find a startup file that Abaqus/CAE reads on startup to add a line of Python to modify the behavior the way I like it. I find myself adding this line manually every time I start Abaqus/CAE and I am tired of it. Like the .gpr file but .grp is a binary file--I cannot add things to it with a text editor. It has to be an initialization file, right? Or may be some other way to do it. Thanks in advance. 

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