H Jerry Qi's picture

Journal Club Theme of April 2014: Challenges and Opportunities in 3D Printing: A Mini Introduction

3D printing, or Additive Manufacturing (AM), has drawn significant attention from both general public and research community in recent years.  Although the first prototype of 3D printing (called rapid prototyping) emerged about three decades ago and has gone through significant development, the recent explosion in its popularity appears to be mainly due to intensive media reports. However, I personally feel what is truly underneath this increasing popularity is the development of 3D printing has reached a critical point where the revolutionary transition of 3D printing from a prototyping tool (which is cool but few people take it seriously) to a high fidelity manufacturing powerhouse is occurring, which will dramatically change how materials, parts, or devices are made in the future. As will be outlined below, 3D printing is a very broad concept and there are many dramatically different 3D printing technologies. In addition, 3D printing research is part of the large manufacturing research community, which consists of many extremely innovative people. Therefore, I will briefly introduce the different 3D printing technologies then comment on the challenges and potential opportunities, which I am sure will be incomplete. I hope this can lead to more in-depth discussions.


Lifeng Wang's picture

PhD Position Available in Multifunctional Composite Materials

One PhD position is available immediately in the Department of Mechanical Engineering at Stony Brook University, NY, US.  The research program focuses on the mechanics and multifunctional applications of 3D periodic composite materials including shape memory, acoustic/elastic wave propagation, and energy harvesting. The candidates with background in solid mechanics and finite element analysis are highly encouraged to apply. 


SIMULIA's picture

FREE eSeminar April 24th: Efficient Design #Optimization in Your CAE Environment

Sign up! FREE eSeminar April 24th: Efficient Design in Your Environment


Fangsen Cui's picture

Research Scientist at Institute of High Performance Computing, A*STAR

The position is still open for apply.

You will perform research and development work using active/passive vibration control measures to reduce vibration of typical offshore structures. You will also develop new
numerical models, new control algorithm, and optimize the locations of actuator/sensors.  

Requirements:

·               A PhD in Mechanical/Civil Engineering

·               Strong background in vibration control using active/passove method such as CLD techniques, structural health monitoring, nonlinear dynamics.


Please support "Theoretical and Applied Mechanics" at Stack Exchange

Hello everyone,

I've proposed a new Stack Exchange site called "Theoretical and Applied Mechanics" for people intersted in mechaics related issues.  The current link is  http://area51.stackexchange.com/proposals/67726/theoretical-and-applied-mechanics?referrer=73mdEQ3M_DdhwHImwznaBQ2

For the proposal to be accepted to go to the next stage the site will need the  following:

- 60 people to follow the site

- 40 questions that are relevant to applied mechanics with a score of 10 or more.


Postdoctoral Position in Arterial Biomechanics - Dublin, Ireland


Arterial Fibre Characterisation using
Diffusion Tensor Magnetic Resonance Imaging


PhD Scholarship in Geotechnical Engineering Postgraduate Research of the University of Adelaide

One research scholarship is immediately available to support a PhD
student to work on a project in Geotechnical Engineering area.  The project is funded by the Australian
Research Council (ARC) and lasts 3 years. 
The scholarship will provide a stipend of A$ 25,392 per annum (in
2014).  Tuition waiver will be
nominated.  Exceptional candidate is
eligible to be awarded an extra amount of allowance in appreciation of his (or
her) possible high quality research outcomes. 


bin.chen's picture

New view of DNA

Recently, the classical view of DNA as an isotropic elastic rod has been questioned. Here we model DNA as an elastic rod inlaid with fibrils, based on which we have made prediction that is in consistency with experiments. Our analysis suggests that the bending of short DNAs can be facilitated if there exists a specific structural heterogeneity.

http://appliedmechanics.asmedigitalcollection.asme.org/article.aspx?articleid=1841526


PhD positions in Mechanical Engineering at Politecnico di Milano

PhD positions in Mechanical Engineering at Politecnico di Milano

The Department of Mechanical Engineering of Politecnico di Milano is currently seeking applicants for PhD studentships.

For more information about proposed research topics and scholarship availability please see http://www.mecc.polimi.it/en/phd/phd-positions/

 


Viscoelastic & Viscoplastic Behaviour of flex printed circuit boards under bending loads

Hello,

I am currently working on my M.Sc Thesis project of fatigue lifcycle of Flex printed circuit boards which is composite material of Polymer & Metal.Want some help who has worked on this topic which deals with Viscoelastic & Plastic behaviour of materials under action of pure bending loads.Help & Guidance would be appreciated.Need to come up with an equation which has stress & strain relating to lifecycle of Flex printed circuit boards.

Awaiting your reply,

 

Regards,

Nishant


"How I published in a scientific journal at age 12"

Suganth Kannan writes writes about the inspiration behind his model for earthquake prediction – and what he learned on his (“tedious but worth it”) journey to publication

---

Ping!

I heard a sound in my email Inbox. It was from the editor-in-chief of Elsevier's Engineering Failure Analysis journal. I opened the email and read that my paper was accepted to be published under some conditions for revisions per peer reviewer's comments.


Mesh free coupled with FEM

Hi All

 

I would like to know , If part of our model has geometrical complexity , is it reasonable to use meshfree method for that area ? does it fasten or ease the analysis ? how to couple it with FEM ? 


jenda_z's picture

Multiple Postdoctoral Positions: Modeling, Simulation and Assessment of Building Materials, Czech Technical University in Prague

The Czech Technical University in Prague - University Center for Energy Efficient Buildings offers ten post-doctoral positions in the field of modeling, simulation, assessment and optimization of multi-functional materials and structures.


Siva P V Nadimpalli's picture

Symposium on "mechanics and electrochemistry of energy storage materials" at SES 51st Annual Technical Meeting,Purdue University

Dear Colleagues,

Please consider attending the symposium titled “mechanics and
electrochemistry of energy storage materials” at the SES 51st Annual
Technical Meeting, Oct 1-3, 2014, Purdue University, West lefayette, IN 47907.

 


2nd International Conference on BioTribology (ICoBT2014) - Full Programme Available

The full programme for ICoBT2014 is now available on the conference website and includes:

- Top-level speakers from different scientific and engineering disciplines in academia and industry 

- Short talks and poster sessions

- An industry session 'Industry Challenges in Biotribology'

- Excellent networking opportunities


hlfrandsen's picture

PhD position in Analysis of Fracture in Porous Ceramic Catalysts by use of X-ray Tomography

The Department of Energy Conversion and Storage at the Technical University of Denmark (DTU) and Haldor Topsøe A/S (HTAS) is seeking a candidate for a PhD position in analysis of fracture in porous ceramic steam-reforming catalysts by use of X-ray tomography.

 

Responsibilities and tasks



Research Engineer Position: Computational Solid Mechanics

This research focuses on Modelling, and Computational Material design of Composite materials.
Candidate will have a Masters Degree in computational solid mechanics with substantial experience in the
application and development of finite element code. Previous experience in applied mathematical modelling is essential.

Salary will be commensurate with qualifications and experience.

Please contact Dr. Kumar Shanmugam(kshanmugam@masdar.ac.ae) for further enquiries.


MLPG-Eshelby Method in Computational Finite Deformation Solid Mechanics

Here is a recent two-part article by Z.D. Han and S.N. Atluri on "MLPG-Eshelby Method in Computational Finite Deformation Solid Mechanics", which presents a new method for the computational mechanics of large strain deformations of solids, as a fundamental departure from the currently popular finite element methods (FEM).
The abstract of the second part of the paper is given at here:


SIMULIA's picture

Optimize products for weight, performance & eco-efficiency. Download whitepaper on Tosca structure!

Optimize your products
for weight, performance and eco-efficiency. This white paper will show
how you can benefit from simulation-based optimization technology to
improve your products, as well as your development process.

Learn about the optimization methods including
topology optimization, sizing optimization, shape optimization and bead
optimization.

http://www.3ds.com/products-services/simulia/resource-center/white-paper...


katia bertoldi's picture

Extremely deformable structures. CISM 2014 Advanced School: Udine, Italy, June 2 - 6 2014

An exciting  short course on "Extremely deformable structures" will take place  at the
International Centre for Mechanical Sciences (CISM)  in Udine (Italy) from June 2nd to June 6th.


Simpleware Case Study: Pseudomorph Modelling

In this project, Simpleware's image processing and mesh generation software was used to complete an ancient geological process through new technology. The goal of the project was to create a pseudomorph, an object that maintains an original shape over time while changing its inner materiality.
 
The pseudomorph in this project represented a snail that had become fossilised as an air void within the Jurassic Coast’s rockbed over millions of years. High-powered CT technology and Simpleware software was used to visualise the microstructure of Portland roach stone and to extract a mesh of the air void suitable for 3D printing as a new object. 
 


PhD and PostDoc Positions: Li-ion batteries for large-scale electrochemical storage systems

Li-ion batteries for large-scale electrochemical storage systems: Fundamental studies, life-prediction and optimization

This project on Li-ion batteries will focus on experimental, theoretical modeling, and numerical simulation-based approaches aimed towards managing electro-chemo-mechanical degradation, capacity fade, and power loss. Moreover, thermal management and safety aspects will be looked at for life-prediction and optimization of Li-ion batteries.

Salary will be commensurate with qualifications and experience.


Masters and PhD Positions: Improved Barrier Performance of Polyolefin Coatings



This research focuses on Modelling, Characterization and design of polymeric nano-composite coatings for Improved Oxygen Barrier Performance using, Clay Nanoplatelets, Graphene etc. and adopting Multi-scale computational modelling approach and Atomistic/Molecular Dynamics Simulation


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