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XFEM in Abaqus Explicit

Hello Everybody,

one interesting question:

As I found, there is no possibility to use XFEM in Abaqus Explicit. !!!

maybe, somebody has any idea or trick to use XFEM in Abaqus Explicit?!!!

thanks in advance,

Pradeep Sharma's picture

Yong Zhu is the recipient of the 2016 Eshelby Mechanics Award for Young Faculty

It gives me great pleasure to announce the outcome of the 2016 competition for the Eshelby Mechanics Award for Young Faculty. This award is given annually to rapidly emerging junior faculty who exemplify the creative use and development of mechanics. The intent of the award is to promote the field of mechanics, especially among young researchers. The selection committee consisted of: K. Ravi-chandar (UT Austin), Huajian Gao (Brown University), G.

Oleg Kirillov's picture

PhD Position at Northumbria University, UK

 Rotating Keplerian flows in helical magnetic fields: Global stability analysis

D.Rittel's picture

Dynamic fracture of transparent ceramic

Captured at 7.5 and 8 million fps with a Kirana camera. This is a one point impact test used to determine the dynamic flexural strength. Courtesy of Dvir Blumer and Eden Promushkin, the Dynamic Fracture Laboratory, Technion, Haifa, Israel.

Mike Ciavarella's picture

top italians scientists

I just read this news about 3 italians who won the prestigeous CASE award.

In general, there are about 100 italians in engineering in this list of "Top Italian Scientists in Engineering" -- from the most highly cited in H-index i the world. I am surprised I am one of them in fact! 

mohsenzaeem's picture

Call for Abstracts, ASME 2017 IMECE (Tampa, Florida): Phase Transformations in Materials Processing and Their Effects on Mechanical Properties

Call for Abstracts, ASME 2017 IMECE, 3-9 November 2017, Tampa, Florida

Track: Materials: Genetics to Structures

Symposium: 11‐6 Phase Transformations in Materials Processing and Their Effects on Mechanical Properties

mohsenzaeem's picture

Effects of SiC, SiO2and CNTs nanoadditives on the properties of porous alumina-zirconia ceramics produced by a hybrid freeze casting-space holder method

Highly porous alumina-zirconia ceramics were produced by adding space-holder materials during freeze casting. To increase the strength of porous ceramics, different amounts of nanoadditives (silicon carbide-SiC, silica-SiO2, and multi-wall carbon nanotubes-CNTs) were added. Space-holder materials were removed by preheating, and solid samples were produced by sintering. Up to 68% porosity was achieved when 40% space-holder was added to the solid load of slurry. Wall thicknesses between pores were more uniform and thinner when nanoadditives were added.

Johannes T.B. Overvelde's picture

Rational design of reconfigurable prismatic architected materials

Advances in fabrication technologies are enabling the production of architected materials with unprecedented properties. Most such materials are characterized by a fixed geometry, but in the design of some materials it is possible to incorporate internal mechanisms capable of reconfiguring their spatial architecture, and in this way to enable tunable functionality.

Shuozhi Xu's picture

Ph.D. students opening in the Department of Aerospace Engineering at the Iowa State University

A research group at Iowa State University ( is looking for research assistants in the field of solid mechanics, computational mechanics, computational materials science and engineering. Research topics will fall into a broad area of modeling and simulation of mechanical and transport behaviors, such as plasticity, fracture, phase transformation, thermal transport, or mass transport, in a variety of engineering materials.

Calculating material jacobian matrix for ABAQUS UMAT subroutine

Hello everyone, 


I found that there is no comprehensive topic about how to calculate material jacobian matrix for UMAT while it's one of the most complicated and important parts of writing a subroutine and a lot of the researchers deal with it. 

I think it would be great if experts share their sources and experiences here for all. I personally, try to provide the basics and essential materials as well. 

Here is an essential available PDF on Imechanica:

FastBEM Fracture 2-D available for download

The fast boundary element program used in the recent paper:

Y. J. Liu, Y. X. Li, and W. Xie, "Modeling of multiple crack propagation in 2-D elastic solids by the fast multipole boundary element method,"  Engineering Fracture Mechanics, 172, 1-16 (2017)

mohsen.damadam's picture

Molecular dynamics simulations of mechanical behavior in nanoscale ceramic –metallic multilayer composites

The mechanical behavior of nanoscale ceramic–metallic (NbC/Nb) multilayer composites with different thickness ratios is investigated using molecular dynamics (MD) simulations. Based on the obtained stress–strain behavior and its dependence on temperature, strain rate, and loading path,the flow stress for the onset of plasticity is identified and modeled based on the nucleation theory,and the in-plane yield loci for different layer thicknesses are constructed. The results are used to establish the plastic flow potential for developing a continuum viscoplastic constitutive model for

Post-doc in Non-linear Dynamics

Employment as an assistant researcher (Post-doc) at the project OPUS from National Centre of Science.


genet's picture

Tenured Assistant Professor position at École Polytechnique

The Mechanics Department at École Polytechnique invites applications for a faculty position at the Assistant Professor level in all areas of mechanics. See details in joint document.

Faxin Li's picture

A breakthrough in Guided Wave – Excitation of shear-horizontal (SH) wave is not a problem any longer

Excitation of non-dispersive shear-horizontal (SH) waves in plates is always a challenge. Recently, we successfully excited single-mode SH0 wave in plates using a face-shear (d24) mode piezoelectric transducer. Meanwhile, the d24 mode transducer can selectively receive SH0 wave and filter Lamb waves. This work was published as a Letter in the IOP journal Smart Materials and Structures (

Dr. Emin Taner ELMAS's picture

Call for Papers: The World Congress on Engineering WCE 2017

Dear Colleagues,

I am Dr. Emin Taner ELMAS from İzmir, Turkey; and I am also a member of International Association of Engineers and also a member of its Society for Mechanical Engineering with member number 164672. The IAENG has sent me a request to circulate this calls for papers to my colleagues, related to "Call for Papers: The World Congress on Engineering WCE 2017". 

Therefore , I am sending you this Conference Announcement of "Call for Papers" for my colleagues who may be interested in below subjects.

Best Regards,

Dr. Emin Taner ELMAS

Fatemeh Ahmadpoor's picture

A perspective on the statistical mechanics of 2D materials

2D materials are fascinating for numerous reasons. Their geometrical and mechanical characteristics along with other associated physical properties have opened up fascinating new application avenues ranging from electronics, energy harvesting, biological systems among others. Due to the 2D nature of these materials, they are known for their unusual flexibility and the ability to sustain large curvature deformations. Further, they undergo noticeable thermal fluctuations at room temperature.

Call for Symposium Proposals

Dear Colleagues:

As you might have heard already, the 2017 SES Annual Conference will take place at Northeastern University, July 25-28, 2017.


Workshop SLab Avalanche Multiscale Mechanical Modeling SLAM3 - SLF, Davos, Switzerland

Dear colleagues,


I would like to inform you about the upcoming workshop SLab Avalanche Multiscale Mechanical Modeling (SLAM3) which will be organized at the SLF in Davos from the 3rd to 5th April 2017.


Erkan Oterkus's picture

PhD Studentship on Peridynamics

Dear All,

Applications are invited for a PhD studentship on PERIDYNAMIC MODELLING at the University of Strathclyde under the supervision of Dr Julia Race and Dr Selda Oterkus.



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