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How to integrate with 6 tying points (TP) for transverse shear and 4 TP for in-plane shear, in case of Assumed Natural Strain?

Submitted by maharshi.kintada on

Hi Experts,


I am presently working with a 9-node shell element and understood that there were many rigid body modes available even with reduced integration.

Thus, I am planning to implement Assumed Natural Strain and found out that there will be 6 integration points for transverse shear strains gamma_xz and gamma_yz and  nominal strain while there are only 4 typing points in-plane shear strain.

Attached Images
(1)  ANS Strain integration, (2) Tying points

Flexoelectricity as a universal mechanism for energy harvesting from crumpling of thin sheets

Submitted by Shengyou Yang on
research
elasticity
Flexoelectricity

Can the mere crumpling of a paper produce electricity? An inhomogeneous strain can induce electrical response in all dielectrics and not just piezoelectric materials. This phenomenon of flexoelectricity is rather modest unless unusually large strain gradients are present. In this paper, we analyze the crumpling of thin elastic sheets and establish scaling laws for their electromechanical behavior to prove that an extremely strong flexoelectric response is achieved at submicron length scales.

PhD position at University Carlos III of Madrid - ERC Starting Grant - Multiple localization and fragmentation of thin-walled metallic tubes subjected to dynamic axial penetration

Submitted by Jose Rodriguez on
job
Plasticity
dynamics
fragmentation
Printed metals

Open PhD position at University Carlos III of Madrid (ERC Starting Grant)

Tittle: Multiple localization and fragmentation of thin-walled metallic tubes subjected to dynamic axial penetration

Supervisor: José A. Rodríguez-Martínez

New book on Modeling and Simulation of Tribological Problems in Technology, CISM series, Springer

Submitted by marco.paggi on
research
book
tribology
contact mechanics

The new book "Modeling and Simulation of Tribological Problems in Technology" (CISM book series, Springer) has been published: https://link.springer.com/book/10.1007/978-3-030-20377-1

Editors: Paggi, Marco (IMT School for Advanced Studies Lucca, Italy), Hills, David (University of Oxford)

A PhD opening at UCLA

Submitted by Lihua Jin on
job

There is a PhD opening in the Mechanics of Soft Materials Lab (https://www.msm.seas.ucla.edu/) in the Department of Mechanical and Aerospace Engineering at the University of California, Los Angeles. The opening is to be filled in 2019 fall or 2020 winter quarter. The successful candidate is expected to work on modeling, simulations, and experiments of soft materials.

PhD position in Computational Mechanics for porous media at the University of Oviedo, Spain

Submitted by Emilio Martíne… on
job

Applications are invited for a PhD scholarship at the University of Oviedo (Spain). The work will be conducted in close collaboration with Imperial College London. The PhD studentship is part of the MICROROCK project, which aims at developing a new generation of micromechanics-based models for predicting rock fracture. A competitive salary is offered and the position is open to international candidates. Further details are provided below and in the attached PDF.

Postdoctoral Researcher opening at Purdue – Biomechanics and fluid dynamics

Submitted by hgomez on

We have an opening for a postdoctoral researcher to perform original research on biomechanics and fluid dynamics, with particular emphasis on interstitial flow modeling. The successful candidate will develop numerical methods to model coupled processes on high-performance computing platforms. This position is in the Gomez Research Group (https://engineering.purdue.edu/gomez/) in the Department of Mechanical Engineering at Purdue. This is a one-year postdoctoral appointment with the possibility of extension to a maximum of three years.

Postdoctoral Researcher opening at Purdue – Biomechanics and fluid dynamics

Submitted by hgomez on

We have an opening for a postdoctoral researcher to perform original research on biomechanics and fluid dynamics, with particular emphasis on interstitial flow modeling. The successful candidate will develop numerical methods to model coupled processes on high-performance computing platforms. This position is in the Gomez Research Group (https://engineering.purdue.edu/gomez/) in the Department of Mechanical Engineering at Purdue. This is a one-year postdoctoral appointment with the possibility of extension to a maximum of three years.

Postdoctoral Researcher opening at Purdue – Biomechanics and fluid dynamics

Submitted by hgomez on

We have an opening for a postdoctoral researcher to perform original research on biomechanics and fluid dynamics, with particular emphasis on interstitial flow modeling. The successful candidate will develop numerical methods to model coupled processes on high-performance computing platforms. This position is in the Gomez Research Group (https://engineering.purdue.edu/gomez/) in the Department of Mechanical Engineering at Purdue. This is a one-year postdoctoral appointment with the possibility of extension to a maximum of three years.

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