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rajan_prithivi's picture

Stress concentration explained without math equations

This VIDEO  gives a  very intuitive explanation of stress concentration  with an analogy and an experimental demonstration.

jenda_z's picture

OOFEM training course 2018

Dear colleagues,

on behalf of the organizers, I would like to bring to your attention the training course for Ph.D. students, engineers, and researchers interested in acquiring the working knowledge of OOFEM, an open-source object-oriented finite element package that has been developed at the Faculty of Civil Engineering, Czech Technical University in Prague for more than twenty years.

Post Master degree in Digital Materials and Advanced Processes Modeling

Dear colleagues,


CEMEF, a research Center of Mines Paristech, is offering a Post Master degree in Digital Materials and Advanced Processes Modeling.

This training program - delivered in English - is open to students holding a master degree in mechanics and/or in computational engineering.

CISM Advanced School "Mechanics of strain gradient materials"

A one-week CISM Advanced School on "Mechanics of strain gradient materials", coordinated by Albrecht Bertram and Samuel Forest, will take place in Udine, Italy, next May 14th-18th.

Summer School on Computational Materials Science at Texas A&M

On behalf of the organizing committee, it is our pleasure to announce the coming seventh iteration of the Computational Materials Science Summer School at Texas A&M University, CMS3. The school will take place in College Station, TX from July 22 – Aug. 3, 2018.

rajan_prithivi's picture

Visualizing bending and torsional deformation using experiment

This video  contains an experimental demonstration of a simple bending and torsion and further speculate the nature of stresses induced by the respective loading scenarios

Fabrice Pierron's picture

DIC course, 11-15 June 2018 in Philadelphia

The 6th edition of the intensive course on Digital Image Correlation (DIC) will take place on 11-15 Jne 2018 à Drexel University in Philadelphia, USA. The course is composed of a number of lectures, data processing sessions and labs. The number of participants is limited to 20 for maximal interaction with the teaching team. More information here.

zappalorto's picture

The 7th edition of the International Conference on Fatigue of Composites (ICFC7)

The 7th edition of the International Conference on Fatigue of Composites is going to be held in Vicenza (Italy) from 4th to 6th of July 2018. The conference is organized by the Department of Management and Engineering at the University of Padova, under the patronage of the European Society for Composite Materials, the Committee on Composite Materials of the Japan Society of Material Science, the Italian Association for Stress Analysis and the Italian Group of Fracture.

rajan_prithivi's picture

Isotropic & Kinematic hardening

This video gives a basic overview of the most fundamental hardening models of plasticity, which are the isotropic and kinematic hardening


Hope this helps!

- Prithivi

Stress is defined as the quantity equal to ... what?

In introducing the very concept of the stress tensor to the beginning student, text-books always present only indirect relations involving the concept. Thus, you have the relations like "traction = (stress-transposed)(unit normal)" (i.e. Cauchy's formula, for uniform stress), or the relations for the coordinate transformations of the stress tensor, or the divergence theorem (for non-uniform stress). These are immediately followed or interspersed with alternative notations, and the rules for using them.

But what you never ever get to see, in text-books or references, is this: a *direct* definition of the stress tensor, i.e. an equation in which there is only the stress tensor on the left hand-side, and some expression involving some *other* quantities on right hand-side. Why? What possibly could be the conceptual and pedagogical advantages of giving a direct definition of this kind, and its physical meaning? I would like to ponder on these matters here, giving my answers to these and similar questions in the process.

Yaning Li's picture

Ph. D position: Mechanics and 3D Printing

Level: Ph.D, start from Fall 2018
When: Apply Now by sending CV to
Fellowship: Deadline 02/25/2018.  (again directly sending CV to
Project: NSF/CAREER award on Chiral Auxetic Composites

Angelo Simone's picture

Short Course on Enriched Finite Element Methods at WCCM in NY

We'd like to announce an upcoming short course in Enriched Finite Element Methods at the 13th World Congress in Computational Mechanics ( The course will be held on Sunday 22nd July at the New York Marriott Marquis hotel.

More information can be found on the flyer and at the course page.

Fundamentals of Simpleware Training, Reading, UK, Feb 6th

This one-day intensive training course intends to give new and existing users sufficient knowledge of the basic functionality of Simpleware software for converting 3D image data (MRI, CT...) into mdoels for CAD, CAE, and 3D Prrinting applications. It will allow you to develop workflows based your areas of research and future projects.

Learn more about this training day.

oliver oreilly's picture

Tossing your Smartphone

If you are teaching a course on vehicle dynamics, navigation, robotics, or rotations you might be interested in exploiting the fact that your students' smartphones are equipped with inertial navigation units (IMUs). Daniel Kawano and Prithvi Akella have harnessed the data from the IMU using the Matlab mobile app and used this data to determine the motion of a smart phone:

kolman's picture

An ECCOMAS Advanced Course on Computational Structural Dynamics, Prague, 2018

We would like to announce An ECCOMAS Advanced Course on Computational Structural Dynamics 2018, . The short course on computational structural dynamics will be held form June 4 to June 8, 2018 in Prague, Czech Republic.

Yaning Li's picture

Ph. D position in Mechanics of Materials

One Ph.D position is open for Fall 2018 in Mechanical Engineering at the Univesrity of New Hampshire.


The student will work on the NSF/CAREER project on Mechanics of Chiral Auxetic Mechanical Metamaterials.

(theory, finite element simulations, 3D printing, and mechanical experiments)


The candidate will also have opportunity to apply for the CEPS fellowship. 


More information can be found at

Francois Barthelat's picture

Two new PhD positions in bioinspired architectured materials and structures, McGill University

We have new openings for two PhD students –fully funded - in the Laboratory of Advanced Materials and Bioinspiration at McGill University, starting Fall 2018 (Application deadline: 01/15/2018)

Stavros Gaitanaros's picture

PhD Position on the Mechanical Properties of DNA Nanostructures

Applications are invited for a PhD position at Johns Hopkins University (beginning Fall 2018) on a collaborative project between the labs of Extreme Mechanics of Architected Materials (Prof. Stavros Gaitanaros) and Mechanochemistry And Functional Imaging Applications (Prof. Yun Chen) at Johns Hopkins University.
The project will focus on the combination of multi-scale modeling and experiments in order to examine the mechanical behavior of DNA origami nanostructures.'s picture

Strong background in Mathematics, Nonlinear Dynamics, Vibrations and Control


I have B.Sc from Sharif University of Technology, Iran and M.S. from Northeastern University in  Boston, US, both in Mechanical Engineering.

Ashby PhD Scholarship in the Mechanics of Materials

A fully funded PhD scholarship exists in the area of Mechanics of Materials, endowed in honour of Prof M F Ashby. The successful applicant will have a 1st class degree (and ideally a Masters degree) in an appropriate field. The precise topic of the PhD can be fixed after the scholarship has been awarded.

Further details may be obtained from Ms Hambro-Fernandez (

rajan_prithivi's picture

Basics of plasticity theory in 6 min

This video explains the very fundamental points with regard to plasticity theory. It covers the following -


1) Why study plasticity ?

2) Additive decomposition of strain

3) stress and strength

4) Yield condition , flow rule & hardening rule




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