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Symposium: Advances in smart materials and adaptive structures (Porto)


Call for papers (abstract dealine: 28 Feb, 2009): 

"Advances in smart materials and adaptive structures" symposium to be held at the third international conference on integrity, reliability and failure, IRF2009


July 20-24, 2009 Porto, Portugal  

Look for some references about damage mechanics!

  1Chaboche J L. Une loi diferentielle d’ endommagement de fatigue avec cumulation non linearire.Revue Francaise de Mecanique,1974, 50-51

2Lemaitre J, Plumtree A. Application of damage concepts to predict creep-fatigue failures. Journal of engineering materials and technology. Transactions of ASME. 1979,101:284-292

Computation Time for Diffusion and Mechanics Simulations

Can someone please give me some general comments or insights to the simulation time of mechanics and diffusion (assembly time only, i.e., computation time other than solving the linear equations)?

Same mesh is used.  Finite element method with linear elements (triangle or tetrahedra) is used for elastic deformation.  Finite difference method with trapezoidal rule and backward difference is used for diffusion of a single dopant and assembly is done node-wise.  Thanks!

Thermoelastic Instability Analysis

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Hi, I am new to iMechanica. I am also not sure whether this post is appropriate here or not.

Massimiliano Gei's picture

4th International Symposium on Defect and Material Mechanics (ISDMM09), TRENTO, July 6th-9th, 2009

The Solid Mechanics group of the University of Trento (Italy) announces ISDMM09, the fourth international meeting devoted to Mechanics of Material Forces, following the workshops held at Kaiserslautern (2003), Symi (2005) and Aussois (2007), and will be held in the alpine city of Trento, Italy, from July 6th to 9th, 2009.

Abstract submission: January 31, 2009

More info:

X-FEM implementation in Abaqus

Dear all,

Just in case it is of interest to some of you, we provide links to three postprints related to our Abaqus implementation of the X-FEM. The latest is an "article in press" in Eng Frac Mech where we explain the essentials of the implementation and provide a link to the source code for the Abaqus computation. Note that the implementation is limited to 2D and the pre-processing code needed for element subdivision is not provided.

Tenure-Track Faculty Position-Caltech

The Division of Engineering and Applied Science at the
California Institute of Technology invites applications for a tenure-track
faculty position at the level of assistant professor in solid, structural or
computational mechanics, with a preference in space applications. For details

UK Newton Post-Doc Fellowship in Computational Mechanics

Dear All,

A new multi-million pound initiative to fund research collaborations and improve links between UK and overseas researchers has been launched.

The Newton International Fellowships aim to attract the most promising, early stage, post-doctoral researchers working overseas, who do not hold UK citizenship, in the fields of humanities, engineering, natural
and social sciences.

Second law of thermodynamics and Configurational Mechanics

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I have been reading up a lot on "Configurational Mechanics" and frankly i came up with a lot of questions. I am not skeptical at all about it, it just that many things are not clear to me.

shirangi's picture

Effect of Residual stresses on the Interfacial Fracture Toughness of polymer/Metal Interface

When a bi-material sample for the characterization of interfacial fracture toughness is manufactured, the sample is not usually stress-free at room temperature. If an interface between a metallic substrate and a polymeric adhesive is considered, there are essentially two sources of residual stresses for a dry sample at room temperature:


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The key to developing materials against failure under extreme environments is the understanding of the interplay between the various physical scales present, from the atomic level interactions, to the microstructural composition and the macroscale behavior. The ability to do this requires new methods that can be used to predict macroscale properties accurately based on microstructures and nanostructures without resorting to empiricism.

force on dislocations

Hi, how the Peach-Koelher force acts on a dislocation?, I understand when the resolved shear stress acts on a dislocation. But not quite the term that provokes  climb on an edge dislocation...

any theories on the stress wave propagation in concrete?

does anyone know any current theories on the stress wave propagation in a  complex media(such as concrete or rock).(1D sphere wave or complex)

all i see is the simulation with a complex constitutive model. but i think it`s not perfect. 

hope for your help

Structural FEA Intern

Mar 05, 2009 

This position has been filled. Thanks for reading and applying.


Postdoctoral and Ph.D. positions in Experimental Solid Mechanics at Michigan State University

Composite Vehicle Research Center (CVRC) at MSU has an immediate opening for a postdoctoral research associate to conduct research in non-destructive evaluation (NDE) and structural health monitoring (SHM) of composite materials in an effort to develop self-diagnostic composite structures for air and ground vehicles.

Elasticity "Exact" Solutions for Plates

Many of you developed Finite Element codes. These codes are usually quite complex. So you all know the importance of testing your results to see if what you programmed makes sense. The usual approach is to compare your FEM program with somethig already published. With this in mind, I designed a series of "lectures" on the topic of elasticity solutions for plates. You can find the details in

Two materials scientists join the faculty of Harvard University

Evelyn L. Hu, a pioneer in the fabrication of nanoscale electronic and photonic devices, has been named Gordon McKay Professor of Applied Physics and Electrical Engineering in Harvard University’s School of Engineering and Applied Sciences (SEAS), effective Jan. 1, 2009.  Read more

Impact in Composites


I'm doing some research in aircraft protection against impact, mainly refering to UAV's protection of the payload (avionics,etc..) during crash.

Does anyone knows where I can get some info about related topics (impact in composites, collision protection, reinforcement of structures, etc..)?


Thanks, Ivo Pires

W. M. Keck Institute Postdoctoral Fellowships at Caltech/JPL

The W.M. Keck Institute for Space Studies at the California Institute of Technology announces an opportunity for highly qualified individuals to apply for postdoctoral fellowships to conduct research in space science and engineering. Please see for additional information.

Faculty Positions, Mechanical Science & Engineering, University of Illinois at Urbana-Champaign

The Department of Mechanical Science and Engineering at the University of Illinois at Urbana-Champaign is actively seeking candidates for faculty positions in all areas of mechanical science and engineering.  This includes candidates whose research interests are in mechanical science and engineering but whose backgrounds are in another area of engineering, or in biology, chemistry, physics, or applied mathematics.  Information about the department, and the relevant research areas, can be found at

Covariant and contravariant stress tensors: difference between the Cauchy stress and the 2nd Piola-Kirrchoff stress

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I am currently reading a book about "Material Inhomogeneities in Elasticity" written by Gérard Maugin.

He brings up the covariancy and contravariancy of some well-known stress tensors and in particular that of the Cauchy stress tensor. I was not very familiar with the concept of covariance, so i read up on this very specific tensorial notion. 

I have been able to demonstrate easily that the deformation gradient F is a mixed tensor (covariant and contravariant).

jfmolinari's picture

Faculty Position at EPFL

Please find below a link to an open position (Assistant Professor, tenure track) at EPFL (Ecole Polytechnique Federale Lausanne, Switzerland).


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