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Arash_Yavari's picture

Nonlinear Elastic Inclusions in Anisotropic Solids

In this paper we study the stress and deformation fields generated by nonlinear inclusions with finite eigenstrains in anisotropic solids. In particular, we consider finite eigenstrains in transversely isotropic spherical balls and orthotropic cylindrical bars made of both compressible and incompressible solids. We show that the stress field in a spherical inclusion with uniform pure dilatational eigenstrain in a spherical ball made of an incompressible transversely isotropic solid such that the material preferred direction is radial at any point is uniform and hydrostatic.

surendran47's picture


Is it possible to simulate air flow over objects of unconventional geometries (curved solids) using Abaqus?

Teng Li's picture

Call for nomination of Extreme Mechanics Letters Young Investigator Award 2017

The third Extreme Mechanics Letters (EML) Young Investigator Award is provided by Elsevier to honor the best paper by a young scientist which has been published in volumes 9-12 EML from 2016 to 2017.


Yihui Zhang's picture

Printing, folding and assembly methods for forming 3D mesostructures in advanced materials

Emerging materials and methods for fabricating 3D micro- and nanostructures provide powerful capabilities of relevance across diverse areas of technology. This Review highlights the latest results and future trends associated with the most powerful methods in 3D printing, folding and assembly. 

April Cover of Nature Reviews Materials in 2017

Emilio Martínez Pañeda's picture

Gradient plasticity crack tip characterization by means of the extended finite element method (MATLAB code included)

I hope some of you may find this work interesting, the X-FEM non-linear code developed (incorporating linear elasticity, J2 plasticity, and Strain Gradient Plasticity) can be downloaded from

Gradient plasticity crack tip characterization by means of the extended finite element method

Emilio Martínez-Pañeda, Sundararajan Natarajan, Stéphane Bordas

Computational Mechanics (2017)

Jie. Yin's picture

Programmable Kiri-Kirigami Metamaterials

Y. Tang, G. Lin, S. Yang, Y.K. Yi, R. D. Kamien, J. Yin, “Programmable Kiri-Kirigami Metamaterials”, Adv. Mater. 29, 1604262 (2017)

bilelsandel's picture

looking for phd position in computational mechanics


am looking for a phd position in compututional mechanics i have a good backgroun in numercial simulation and mathematical modeling with MS in mechanical engineering i was working in many topic from material modeling (dammage ,metal forming ...) composite modeling and simulation (continue element of composite shell in high frequency,hommoginazation method crush simulation ,... ) i have a experience in biomechanic modeling and simulation 

i have a good programming skills : fortran c++,python 

finite element ,boundary element,xfem

Davide Bigoni's picture

Elastica compass, catapult and soft robot arm

When an elastic rod with a rotating clamp behaves as a deformable compass or as a deformable catapult?

This behaviour depends on the load applied at the free end!!

Enjoy the elastica compass and the elastica catapult at

Mike Ciavarella's picture

Susmel-Papuga sharp controversy about multiaxial fatigue criteria

I recently came across this sharp controversy between Papuga and Susmel on multiaxial fatigue criteria.  Papuga accuses Susmel of "picking up" data that he likes from the literature, disregarding other data... And of having some constants in the criteria that are set a posteriori as fitting parameters.   Do you know how this ended up?  Anyone else partecipated to the debate? 

 Comments on “A survey on evaluating the fatigue limit under multiaxial loading” by Jan...

Congrui Jin's picture

Journal Club for April 2017: Multiscale and Multiphysics Simulation of Hydraulic Fracturing of Gas Tight Shale

Multiscale and Multiphysics Simulation of Hydraulic Fracturing of Gas Tight Shale

Congrui Jin1 , Weixin Li2 and Gianluca Cusatis3

1        Department of Mechanical Engineering, State University of New York at Binghamton, Binghamton, NY 13902 Email:

Flavio Stochino's picture

A simplified model for railway catenary wire dynamics

In this paper, a simplified analytic model for the dynamic behaviour of railway catenary wire is presented. The model is discussed and validated with the help of numerical results obtained by a finite element code, for the case of a typical Italian railway installation. The simplified model is convenient from the computational point of view and is useful for sensitivity analysis. Some parametric studies have been developed by considering as free parameters the velocity and the distance of the train pantographs and looking at their effect on catenary dynamics.

karelmatous's picture

Google Maps/Earth Computer Graphics Algorithms for Model Reduction in Mechanics of Materials

We present an innovative image-based modeling technique, based on Google Earth like algorithms, to effectively resolve intricate material morphology and address the computational complexity associated with heterogeneous materials. This sharp volumetric billboard algorithm stems from a volumetric billboard method, a multi-resolution modeling strategy in computer graphics. In this work, we enhance volumetric billboards through a sharpening filter to reconstruct the statistical information of heterogeneous systems.

Any helpful information about 2 & 3 surface models

Does anyone have any helpful information (Organised governing equations & subroutine files) about Two & Three surface models which are developed by Shen & Goto respectively? 

PhD Positions in Polymer Composites (Mechanical Engineering at University of Maine)

There are two open positions starting in the fall of 2017 for PhD students interested in analysis and design optimization of polymer composite materials and structures subject to impact and shock loading conditions. A master's degree in Mechanical Engineering or a closely related field is required. Students will have an opportunity to work closely with the faculty in mechical engineering and researchers at Advanced Structures and Composites Center at UMaine.


The positions are restricted to individuals with US citizenship or permanent residency.

MRC - Bruno Boley 90th Anniversary Issue

In memory of Prof. Bruno Boley, Founding Editor-in-Chief of Mechanics Research Communications (MRC), we made the Special Issue, published in MRC in September 2015, freely available until 13 June 2017.

To read it, go to


oliver oreilly's picture

Textbook on Modeling Nonlinear Problems in the Mechanics of Strings and Rods

My latest textbook, O. M. O’Reilly, Modeling Nonlinear Problems in the Mechanics of Strings and Rods, has just been published by Springer Verlag. The electronic version of this book is available (for free if your university's library has a subscription) on this website:



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