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On a systematic approach for cracked rotating shaft study: breathing mechanism, dynamics and instability

Submitted by saberelarem on

We present a systematic approach to deal with the modelling and analysis of the cracked rotating shafts behaviour. We begin by revisiting

the problem of modelling the breathing mechanism of the crack. Here we consider an original approach based on the form we give to the energy of the system and then identify

the mechanism parameters using 3D computations with unilateral contact conditions on the crack lips. A dimensionless flexibility is identified which makes the application

Regression testing with the Command design pattern

Submitted by Biswajit Banerjee on

Computational mechanics practitioners are not typically known for practising well-established software engineering techniques. That makes code developed by various research groups next to impossible to understand and modify.  I still see requests on iMechanica on how to implement Drucker-Prager models when every freshman student probably has their own implementation.  It is likely that the person who developed a particular code cannot themselves understand the code a few years after the relevant paper has been published.  

Drucker Prager Plasticity model

Submitted by setareh on

Hi All,

I am trying to code the Drucker prager plasticity model for the 2D plane strain case using consistent tangent modulus. I am using C++, therefore I would appreciate if anyone could share relevant materials which I could use and preferrably for the 2D case so it is not unnecessarily complicated.

 

Call for abstracts: Mini-Symposium "Instabilities in Structural Mechanics and Fluid-Structure Interactions" at ESMC 2018

Submitted by Oleg Kirillov on

This is the first announcement of the

Mini Symposium "Instabilities in Structural Mechanics and Fluid-Structure Interactions"

Organizers:
Oleg Kirillov (Northumbria University, UK), Olivier Doare (ENSTA ParisTech, France)

In the frame of ESMC 2018 - 10th European Solid Mechanics Conference, July 2-6, 2018 Bologna, Italy

Marie Curie Early Stage Researcher (PhD student), Improving the crashworthiness of composite transportation structures

Submitted by Michael A. McCarthy on

Applications are invited for a PhD position at the University of Limerick, Ireland, funded through the EU Marie Curie Early Stage Researcher Programme.

SALARY: €37,903 p.a. (plus family allowance of €4,589 p.a. where appropriate in accordance with Marie Skłodowska-Curie programme rules).

Topic: Development of discrete fastener-less joining technologies for impact protection devices

To apply: Apply online at http://www.ul.ie/hrvacancies/

Closing Date: Thursday, 23rd February 2017, 12 noon, Irish Standard Time.

ASME 2017 IMECE: Fatigue and Fracture of Active Materials–Call for abstracts

Submitted by Theocharis on

Dear Colleagues:

Please, consider to attend the symposium entitled "Fatigue and Fracture of Active Materials" organized under track "Mechanics of Solids, Structures, and Fluids" in the International Mechanical Engineering Congress and Exposition (IMECE) ASME 2017 conference. The conference will be held in Tampa, Florida, November 6–9, 2017 (https://www.asme.org/events/imece).

PhD position in Prof. Nadimpalli's group at NJIT

Submitted by Siva P V Nadimpalli on

Hello All,

There is a potential opening for a PhD student in Prof. Nadimpalli’s group at the New Jersey Institute of Technology starting from Fall2017. Candidates with good academic credentials and an interest to work in experimental research projects are encouraged to apply. Ideal candidate should have a master’s degree in mechanical/materials science/aerospace or related field with a good background in Solid Mechanics, Materials Science, and Experimental Methods (including but not limited to SEM, TEM, and nanofabrication methods).

Grants available EC funded "Materials resistant to extreme conditions for future energy systems", 12-14 June 2017, Kyiv - Ukraine

Submitted by Kalle Nilsson on

Dear colleagues,

I would like to inform you about a Works "Materials resistant to extreme conditions for future energy systems", 12-14 June 2017, Kyiv – Ukraine.

The Workshop is funded by the European Commission Enlargement Programme. There is no fee to attend.  Participants from the target countries* can apply for a Grant to cover their cost.  Eligible for Grants are those that work in or are citizens of a target country.

The Workshop will consist of invited keynote presentations, oral presentations by participants and a Poster session.