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Shape formation of helical ribbons induced by material anisotropy

Submitted by zichen on

Helices are ubiquitous building blocks in natural and engineered systems. Previous studies showed that helical ribbon morphology can result from anisotropic driving forces and geometric misorientation between the principal axes of the driving forces and the geometric axes. However, helical ribbon shapes induced by elastic modulus anisotropy have not been systematically examined even though most natural and engineered structures are made of composite materials with anisotropic mechanical properties.

PhD position in mechano-chemical organisation in single cells @UPC, Barcelona.

Submitted by pablo.saez on

We have an open PhD position to study the mechano-chemical organisation of cells from a physical and mathematical point of view. Individually or collectively, cells move due to mechanical and chemical gradients and doing so they self-organise in very specific forms. Understanding the physical laws under mechano-chemical gradients can head to establish new protocols in the control of cell structures. The final goal of the project is to manipulate cells so that the morphology of cell structures can be predicted, e.g. in biological-based prosthesis.

PhD position "Microscale matrix and interfacial properties of fibre-reinforced composites" at Weizmann Institute of Science

Submitted by yentlswolfs on

Our partner Weizmann Institute Science in Israel is currently trying to fill a PhD position for the FiBreMoD project. The title of the PhD project is "Microscale matrix and interfacial properties of fibre-reinforced composites", and will be supervised by Prof. Daniel Wagner. If you are an enthusiastic and motivated candidate with a background in Materials Science, Composites, Mechanics, or Chemistry/Chemical Engineering, then you should consider applying.

Meet Simpleware at ORS 2017, San Diego, Mar 19-22

Submitted by Simpleware on

The ORS Annual Meeting is the premier international meeting in the field of orthopaedics and musculoskeletal research, and is a major forum for engineers, orthopaedic surgeons, clinicians and biologists to discuss the most innovative and cutting-edge research in this area. Many advancements being realized today for the treatment of orthopaedic patients was at one time presented at the ORS Annual Meeting as an innovative idea.

Simpleware at ORS 2017

At the conference you can learn about our software’s strengths for Orthopaedics and Biomechanics Research:

Call for Abstracts: Symposium on Phononic Crystals and Metamaterials, IMECE 2017, Tampa, Florida (Nov. 3-9, 2017)

Submitted by mihussein on

The Noise Control and Acoustics Division (NCAD) is sponsoring the 2017 Symposium on Phononic Crystals and Metamaterials.  This symposium, which will be in its 13th year, will feature presentations covering all aspects of phononic crystals and acoustic/elastic/phononic metamaterials.

Deadline for Abstract Submission: March 6, 2017

Conference Website: https://www.asme.org/events/imece

 Call for Abstracts attached.

 

Post-Doc Position Available in Fracture Mechanics

Submitted by David Gonzalez on

This is a 9 months post-doc position on modelling crack problems at Portsmouth University (UK). 

The project will focus on using Abaqus to model the full field near-tip strains. Corresponding experimental data has been collected for model validation using Digital Image Correlation. Deadline for application: 12th March 2017. International applicants welcome. More details and instructions to apply on: http://www.jobs.ac.uk/job/AXH079/senior-research-associate-in-fracture-…

What's the difference between Cohesive Zone Model and Joints Element in discrete element method?

Submitted by xi xun on
Choose a channel featured in the header of iMechanica

Hi,

I am a PhD student working on rock mechanics. I have studied Cohesive Method for a few times. But I am confused on What the special functions the Cohesive element have compared with Discrete method? 

For one DEM software UDEC, model is consisted of solid elements and joints elements. What's the difference between Cohesive element and Goodman element?