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Harold S. Park's picture

Negative Poisson's Ratio in Single-Layer Graphene Ribbons

The Poisson's ratio characterizes the resultant strain in the lateral direction for a material under longitudinal deformation.  Though negative Poisson's ratios (NPR) are theoretically possible within continuum elasticity, they are most frequently observed in engineered materials and structures, as they are not intrinsic to many materials.  In this work, we report NPR in single-layer graphene ribbons, which results from the compressive edge stress induced warping of the edges.

stefanogonella's picture

PhD position in mechanics of metamaterials at the University of Minnesota

A PhD position is available in the group of Prof. Stefano Gonella at the University of Minnesota Twin-Cities. ( in the area of wave mechanics of advanced materials, with focus on elastic and acoustic metamaterials.

Current topics of interest are: 1) mechanics of nonlinear metamaterials (including soft architected materials, nonlinear lattices and granular crystals) and 2) tunable and reconfigurable metamaterials.

Jie Wang's picture

5th Asian Conference on Mechanics of Functional Materials and Structures

Conference Website:

Conference Chair: Tong-Yi Zhang (Shanghai University)

About the conference

Jie Wang's picture

5th Asian Conference on Mechanics of Functional Materials and Structures

Conference Website:

Conference Chair: Tong-Yi Zhang (Shanghai University)

About the conference

Zheng Jia's picture

Failure Mechanics of a Wrinkling Thin Film Anode on a Substrate under Cyclic Charging and Discharging

Zheng Jia, Teng Li, Failure Mechanics of a Wrinkling Thin Film Anode on a Substrate under Cyclic Charging and Discharging, Extreme Mechanics Letters, accepted, 2016 (DOI:doi:10.1016/j.eml.2016.03.006)


Overhead Electrical Conductor in bending: Papailiou's model revisited

 In a paper to appear and available online,( An analytical approach to model the hysteretic bending behavior of spiral strands, Applied Mathematical Modeling 2016, )

Pattern formation in plastic liquid films on elastomers by ratcheting

See our newly discovered phenomena, Pattern formation in plastic liquid films on elastomers by ratcheting

Here is the abstract:


ASCE announced the winners of six of its prestigious Society awards administered by its Engineering Mechanics Institute (EMI):

2016 Maurice A. Biot Medal: Ronaldo I. Borja, Ph.D., A.M.ASCE, Stanford University

2016 Jack E. Cermak Medal: Qiusheng Li, Ph.D., City University of Hong Kong

marco.paggi's picture

GIMC-GMA Congress | Lucca, Italy | 27-29 June 2016

Dear Colleague,

I kindly inform you that the XXI National Congress of Computational Mechanics and the VIII Meeting of the AIMETA Mechanics of Materials Group will take place from 27th to 29th of June 2016 at the IMT School for Advanced Studies Lucca, Lucca, Italy.

With great pleasure we announce that the plenary lectures will be delivered by Prof. Dr.-Ing. Christian Miehe (University of Stuttgart) and Prof. Vikram Deshpande (University of Cambridge).

Important deadlines for participation:

15 April 2016: Submission of abstracts.

Determining eigenstrains from simulations

Hi everyone,

I am to determine eigenstrains from a given result. Anyone can guide me along?

Kumar Ankit's picture

Influence of substrate interaction and confinement on electric-field-induced transition in symmetric block-copolymer thin films

In the present work, we study morphologies arising due to competing substrate interaction, electric field, and confinement effects on a symmetric diblock copolymer. We employ a coarse-grained nonlocal Cahn-Hilliard phenomenological model taking into account the appropriate contributions of substrate interaction and electrostatic field. The proposed model couples the Ohta-Kawasaki functional with Maxwell equation of electrostatics, thus alleviating the need for any approximate solution used in previous studies.

3rd International Conference on BioTribology (ICoBT2016)

W. Gregory Sawyer, University of Florida, USA will be the Plenary Speaker at ICoBT2016

Research Fellow (Post-doc) position in Micromechanical Modelling of Lithium-Ion Batteries

The post is funded through a recently awarded four year European H2020 research project SINTBAT (Silicon based materials and new processing technologies for improved lithium-ion batteries), and coordinated by VARTA.


Dear Researchers


Can you please make a correction in my Code of MATLAB





for i=1:1:4

EPS1(i,1)= U1(i,1)/X1(i,1);

EPS2(i,1)= U2(i,1)/X2(i,1);

EPS12(i,1)= 0.5*((U1(i,1)/X2(i,1))+(U2(i,1)/X1(i,1)));

defG(i)=[1+U1(i,1)/X1(i,1) 0+U1(i,1)/X2(i,1); 0+U2(i,1)/X1(i,1) 1+U2(i,1)/X2(i,1)];





are right but for defoarmation gradient  i am getting error of 


Arun Prakash's picture

Nanosculpt: A methodology for generating complex realistic configurations for atomistic simulations

Atomistic simulations have now become commonplace in the study of the deformation and failure of materials. Increase in computing power in recent years has made large-scale simulations with billions, or even trillions, of atoms a possibility. Nevertheless, most simulations to-date, are still performed with quasi-2D geometries or rather simplistic 3D setups. Although controlled studies on such well-defined structures are often required to obtain quantitative information from atomistic simulations, for qualitative studies focusing on e.g. the identification of mechanisms, researchers would greatly benefit from a methodology that helps realize more realistic configurations. The ideal scenario would be a one-on-one reconstruction of experimentally observed structures. NanoSCULPT allows you to do precisely this for both crystalline and amorphous structures.

PhD Vacancy: UK Centre for Doctoral Training in Fusion Energy

I am currently looking to fill an open PhD position in a project titled:

Advanced Virtual Design of 3D Printed Fusion Reactor Components

This is to continue recent work that uses X-ray tomography, high performance computing and finite element analysis to design the plasma facing wall of the ITER reactor. Recent related publications can be found below:

Ali Ramazani's picture

Quantification of GNDs in DP steels (with three developed criteria)

The current work aims to predict the work-hardening behavior of dual-phase (DP) steel, focusing on the effect of transformation-induced geometrically necessary dislocations (GNDs). Equiaxed and banded microstructures were produced through suitable heat treatment cycles in a laboratory. Electron backscatter diffraction measurements were performed to characterize GNDs. The flow behavior was modeled within the micro-scale finite element method, considering the effect of the microstructures using the representative volume element (RVE) approach.

AISC Code check in abaqus

Has anyone every tried running AISC code check in abaqus? If yes, then Is there any commercial utility that can be used with abaqus output or any python script that anyone has written?

Arash_Yavari's picture

A Geometric Theory of Nonlinear Morphoelastic Shells

We formulate a geometric theory of nonlinear morphoelastic shells that can model the time evolution of residual stresses induced by bulk growth. We consider a thin body and idealize it by a representative orientable surface. In this geometric theory, bulk growth is modeled using an evolving referential configuration for the shell (material manifold). We consider the evolution of both the first and second fundamental forms in the material manifold by considering them as dynamical variables in the variational problem.

Stephan Rudykh's picture

EMMC15 - Functional and Architectured Materials [deadline: March 30th, 2016]

Dear Colleagues,

15th European Mechanics of Materials Conference (EMMC15) will be held in Brussel, Belgium, during 7 – 9 Sentember, 2016. As part of this meeting, we are organizing a session (S7) to bring together experts in modelling, simulation, manufacturing and experimental investigation in the field of functional and architectured materials to present and discuss recent advances. Topics of particular interest include (but not limited to)

FEM Experts for research paper review

Dear all,
Plz suggest/forward names of FEM experts to review my research paper.Five experts each from ASIA,Europe,Australia,South Africa and USA are required.Its a requirement of the publisher that author of research paper has to give 5 names of reviewers.So Please forward their names with institutional info and email id..


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