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finite elements

Kostas Danas's picture

PhD scholarship in Ecole Polytechnique, Paris, France

One Ph.D. position is now available starting October 2017 on harnessing instabilities in magnetorheological elastomers. The PhD will be pursued in the Solid Mechanics Laboratory of Ecole Polytechnique, Paris, France. The potential student will work on the development of new experimental procedures and numerical models for the fabrication and testing of new magnetorheological elastomeric devices that operate in the postbifurcation regime by proper combination of mechanical and magnetic loadings.

Flavio Stochino's picture

Mixed assumed-strain finite element model for laminates

Fibre-reinforced plates and shells are finding an increasing interest in engineering applications; in most cases dynamic phenomena need to be taken into account. Consequently, effective and robust computational tools are sought in order to provide reliable results for the analysis of such structural models. In this paper the mixed assumed-strain laminated plate element, previously used for static analyses, has been extended to the dynamic realm. This model is derived within the framework of the so-called First-order Shear Deformation Theory (FSDT).

A.Tabarraei's picture

Ph.D. position in computational solid mechanics

A PhD position is available in the Department of Mechanical Engineering and Engineering Science at the University of North Carolina at Charlotte. The research project is on the multiscale modeling of the stress corrosion cracking. Candidates should have a strong background in continuum mechanics, finite elements and constitutive modeling. Programming experience in Fortran or C++ is required for this position. The starting date for this position is January 2017.

Flavio Stochino's picture

Sardinia radio telescope finite element model updating by means of photogrammetric measurements

 The 64 m diameter Sardinia Radio Telescope (SRT), located near Cagliari (Italy), is the world’s second largest fully steerable radio telescope with an active surface. Among its peculiarities is the capability of modifying the configuration of the primary mirror surface by means of electromechanical actuators. This capability enables, within a fixed range, balancing of the deformation caused by external loads.

Emilio Martínez Pañeda's picture

On fracture in finite strain gradient plasticity

I hope some of you - particularly those working on strain gradient plasticity or damage and fracture modeling - find this work interesting. 

On fracture in finite strain gradient plasticity

(A pre-print version is available at

Cellular Automata for Multi-scale Fracture

Could cellular automata be used to model mechanisms (for quasi-brittle fracture) that occur at the meso-scale and then feed these mechanisms to a macro-scale finite element model? Is it possible to replace constitutive models with mechanistic models, simulating mechanisms that lead to fracture instead of formulating equations that predict failure? These are typical questions that have motivated my recent collaboration with Dr Anton Shterenlikht at the University of Bristol.

Postdoc on FE simulation of 3D printed cellular structures @ Ghent University (Belgium)

"3D printing" is a popular term for the layerwise manufacturing of metals or polymers with a printing head, that builds up the component with droplets of molten polymer or metal into a 3D shape. The geometries that can be realized with this technique, can be very complex, and this with a minimum of material usage, because no material has to be milled away. Further, very lightweight materials can be achieved. Flanders region plays a leading role in Europe in this 3D printing sector, with important industrial players such as Materialise, Layerwise and Melotte.

postdoctoral position - isogeometric analysis

IMATI-CNR and the Mathematics Department of the University of Pavia offer a postdoc position on isogeometric analysis. This research project focuses on the design and implementation of innovative isogeometric methods for solid/fluid mechanics.  In particular the target applications are related to

- nearly-incompressible and fibered materials

- fluids in geological formations

This research project is partially supported by the private sector, and is supervised by Annalisa Buffa and Giancarlo Sangalli.

New shear lock free finite elements with arbitrary higher order derivative

A set of highly efficient and shear lock free finite elements based on Timoshenko  beam and Reissner-Mindlin plate theories has been developed for the analysis of thin and thick structures. These elements have arbitrary higher order derivatives and do not require any spcial integration scheme. All are isoparametric elements.


Analysis of beams and plates using shear lock free finite elements based on Timoshenko beam and Mindlin-Reissner plate theories

Simple finite elements based on Timoshenko beam and Mindlin plate theories have been developed for the analysis of thick and thin structures (beams and plates) using standard finite element procedure. These elements have 3 dof and a new concept, Convergence Factor, is introduced in the formuation to accelerate convergence keeping the number of elements constant. No shear correction factor is used and no shear lock problem is encountered.


jsegurado's picture

24th International Workshop on Computational Mechanics of Materials (IWCMM 24) in Madrid, Spain, on October 1st-3rd 2014

The abstract submission for the 24th International Workshop on
Computational Mechanics of Materials (IWCMM 24) in Madrid, Spain, on
October 1st-3rd, 2014 is now opened. The deadline for abstract
submission is June 15th, 2014.

The workshop is intended to cover all aspects of modeling and
simulations of the mechanical behavior at different length and time
scales. The materials of interest range from traditional materials such
as metals, alloys, polymers and composites to advanced and emerging
materials and bio-materials.

Computational Mechanics Engineer

Computational Mechanics Engineer

Third Wave Systems, a leading
provider of CAE analysis software and services for machining manufacturing, is
seeking enthusiastic additions to our computational mechanics software
development team.  This position holds
the primary responsibility of developing and implementing numerical methods,
finite element formulations, smooth particle hydrodynamics (SPH), meshless
methods, adaptive and initial mesh generation, three-dimensional geometry
engines, mechanistic machining models, constitutive models for the simulation
and optimization of metal, composite, and ceramic cutting processes.  The Computational Mechanics Engineer (CME) will

Underlying Material Response for Lüders-Like Instabilities

► The underlying material response of partially unstable materials is measured. ► This is done for Lüders deformed steel and a shape memory alloy. ► They both exhibit an up-down-up response. ► The extracted responses used in numerical models reproduce the structural responses.

Vikram Gavini's picture

Higher-order adaptive finite-element methods for Kohn-Sham density functional theory

Dear Colleagues,

I wish to share with you our recent article on "Higher-order adaptive finite-element method for Kohn-Sham density functional theory", which will soon appear in the Journal of Computational Physics. Below is the abstract and attached is a preprint of the article.

P. Motamarri, N.R. Nowak, K. Leiter, J. Knap, V. Gavini, Higher-order adaptive finite-element methods for Kohn-Sham density functional theory, J. Comp. Phys. 253, 308-343 (2013).

Required - Verification test for Incompressible hyperelastic models

Choose a channel featured in the header of iMechanica: 


I am working with a finite element code implemented in C++ in my research group. Recentl I implemneted an incompressible finite strain element.

 Currently I am making use of verification tests to check whether my element runs accurately for various hyperelastic strain-energy models. I have succesfully completed a verification test using the Mooney-rivlin strain-energy density function. However, I have been unable to find verification/benchmark tests which I may use to test other strain-energy density functions.

deal.II finite element library course

Dear fellow researcher in finite elements 

We will be hosting a 3 day course on the state-of-the-art open-source finite element library deal.II . The course will be run by Prof Wolfgang Bangerth from Texas A&M. It will take place in Cape Town, South Africa, from 5-7 August 2013. The course is aimed at postgraduate students and researchers who wish to learn the fundamentals of deal.II for use in their own research.

Finite element software with analytical sensitivity analysis


 As structural optimization can be, of course, greatly sped up with the use of analytical sensitivies (analytical gradients) of the e.g. stress with respect to geometrical design variables, I wanted to inquire which FE software has the functionality.  The ones I am aware of: NASTRAN can and ANSYS cannot. How about others?

 Many thanks in advance!



N. Sukumar's picture

Minisymposium on Electronic-Structure Methods at USNCCM12

Dear Colleagues:

We would like to invite you to submit a contribution to a minisymposium that we are organizing on Emerging Methods for Large-Scale Quantum-Mechanical Materials Calculations at the 12th US National Congress on Computational Mechanics, to be held July 22-25, 2013 in Raleigh, NC. This minisymposium aims to bring together leading researchers in this emerging area to discuss and exchange ideas on new methods developments for density-functional calculations, mathematical analysis, and applications of ab initio methods in electronic-structure calculations.

phunguyen's picture

A review on multiscale methods for material modeling

Dear all,

Please find enclosed our paper which is published on Journal of Multiscale Modelling
Vol. 3, No. 4 (2011) 1–
42 which gives an overview of state of the art multiscale techniques for material modeling. 

The paper discusses the following topics: homogenization, Representative volume element, computational homogenization (Fe2 methods) for both both bulk materials and strong discontinuities. 

I hope the paper is useful for beginners to the field.

All the bests, 

N. Sukumar's picture

Workshop on Generalized Barycentric Coordinates in Geometry Processing and FEM/BEM

                                         Call for participation
                  Workshop on Barycentric Coordinates in Geometry
                  Processing and Finite/Boundary Element Methods
                  July 25-27, 2012, Columbia University, New York

Post-doctoral position at TU Darmstadt, Germany: Numerical methods in Solid Mechanics

A post-doctoral position is available at our continuum mechanics workgroup (Prof. Tsakmakis, TU Darmstadt, Germany) for developing user subroutines and user elements in finite element programs.

Experience in nonlinear finite element analysis, numerical methods in solid mechanics and FORTRAN 90 is needed.

If you are interested, please contact me, Dr. C. Broese,

(Opening date: June, 1st 2012 - Closing date: June, 30th 2012)

Panagiotis KOTRONIS's picture

Post Doc Position: Risk-based Selection of Constitutive Models for Geotechnical Analysis, EC Nantes (France)

Post Doc description:

Soil, as a typical natural material, has very complex behaviour which is very difficult to be accurately modelled. In geotechnical engineering, about half of the accidents are caused by insufficient designs. The soil’s constitutive model is the fundamental issue for modelling and analyzing soil-related engineering systems.


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