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energy balance of surface-based cohesive of composite under impact in Absqus 6-10

Hi there! I am really new to Abaqus and I need to model a composite
laminated crash cone under impact to a flat solid wall (analytical
surface is used). I modelled a cone with a layers of conventional shell
elements with hashin failure criteria and surface-based cohesive
behaviour as interaction between layers representing the interface of
composite laminates. The model runs successfully but once I checked the
energy balance, the damage dissipation energy from the cohesive, it
turned out to be NEGATIVE (I think this is wrong).

Coupled thermo-structural analysis of CFRP using ANSYS

Hi everyone,

 does anyone know publications dealing with the coupled thermo-structural analysis (direct method) of CFRP using ANSYS?

PhD position at Ecole des Mines de Douai

Please find enclosed a PhD position at Ecole des Mines de Douai (France)

Regards

Stephane PANIER

 

 

 

 

Luoyu Roy Xu's picture

Why fracture and failure mechanics is so important? From Southwest Boeing 737 cracks to future Boeing 787 safety

Even Jay Leno tried to understand fatigue cracks at his Yesterday’s Tonight Show, our research on fracture and failure mechanics is received great attention from the general public. Read more after this photo--

  Southwest jet

 

mporfiri's picture

Openings for PhD students and PostDoctoral fellows at NYU-Poly

The Dynamical Systems Laboratory in the Department of Mechanical and Aerospace Engineering at the Polytechnic Institute of New York University is seeking to recruit multiple Post-Doctoral fellows and Ph.D. students in fluid-structure interactions, mechanics of composite materials, and vibrations.

Hashem Mourad's picture

Post-doctoral Position in Computational Mechanics at Los Alamos National Laboratory

The Fluid Dynamics and Solid Mechanics group at Los Alamos National Laboratory is currently seeking outstanding candidates to fill a post-doctoral research position in computational solid/structural mechanics.

The prospective candidate is expected to take part in the development of non-classical, global-local plate/shell finite elements for applications involving the response and/or failure of composite structures under severe dynamic loading conditions.

3 Open Positions at Institute of Polymer Engineering in Switzerland

The Institute of Polymer Engineering has 3 open positions as research assistants in three different fields of polymer research:

- nano polymer technology

- polymer injection technology

- polymer composite technology

Please find more details in attachements.

 

Regards,

 

Nicolas

Postdoc and Junior research scientist positions in composite materials and computational solid mechanics at CAS

Postdoc and Junior research scientist positions in composite materials (design, synthesis, and/or mechanical analysis) and computational solid mechanics at the Institute of Mechanics, Chinese Academy of Sciences

Candidates for the research scientist position should have hand on experience on synthsis of composite materials. Interested ones please send your resume to Dr. Yujie Wei via email: yujie_wei@lnm.imech.ac.cn

Post buckling analysis

hi all,

 

i am working in composite analysis, can anybody tell me how to perform post buckling analysis using 3d layered solid element in ANSYS or ABAQUS

 

thanks & regards

Mike Ciavarella's picture

Ferrari Millechili project --- the next generation of sport car

I am going to Modena on Monday to talk to my collegues in the Millechili lab (MilleChili means 1000Kg in italian)

Ferrari-Logo.svg

Ferrari S.p.A.

 

Postdoctoral Research Associate Position in Computational Solid Mechanics at KAUST

A postdoctoral position is avilable in the Composite and Heterogeneous Materials Modeling and Simulation (COHMAS) Laboratory at King Abdullah University of Science and Technology (KAUST). The successful candidate will be engaged in modeling and simulation of degradation in composite materials.

Thiyagarajan Dev's picture

I am looking for PhD position in Composite Materials

Hi Friends,

Iam looking for PhD positions in Composites Mechanics and Manufacturing area.

If you happen to know any information, kindly convey it to me.

Please find my Resume attached for your information.

 

Thanks and Regards,

Thiyagarajan Dev,

India

6th Australasian Congress on Applied Mechanics (ACAM 6)

The National Committee on Applied Mechanics of Engineers Australia is hosting the 6th Australasian Congress on Applied Mechanics (ACAM 6) in Perth, Australia on December 12th-15th 2010.

ACAM 6 (http://www.acam6.org/) aims to provide an international forum for researchers, industry practitioners, engineers and postgraduate scholars to promote, exchange and disseminate knowledge and experiences of the most recent results and advances in a wide range of topics in Applied Mechanics.

Morteza_Kiani's picture

How can I model a bridge which consits of a small beam of composite that surrounded with ceramic layer

Choose a channel featured in the header of iMechanica: 

Hi dear

I am going to model a bridge in dental work which it consists of two parts:

1: a small beam which it is made of composite 5 plys

2: a cramic part which surround the beam.

I want to model it with Abaqus. Please help me if you can. I'd appreciate if you help me and send its steps to my email: kian32m@yahoo.com

 

Student

Hi,

I am facing some problem in ABAQUS. How can i use Vumat subroutine and how can i findout sresses.Please help me

Composite structures in Ansys

Choose a channel featured in the header of iMechanica: 

I am trying to analyze a honeycomb core sandwich assembly in Ansys and am having trouble. Using shell 91 do I input the layers under real constants or as a shell input. Thanks

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. 
http://www.egr.msu.edu/~shong/Postdoc.html

Luoyu Roy Xu's picture

2009 SEM conference in Albuquerque, New Mexico USA

I would invite you to present your research work at the Society of Experimental Mechanics Conference (visit www.sem.org  for more details). You are welcome to submit your abstract my two sessions: 

1. Mechanical Behavior of Nanocomposite Materials

2. Recent Advance in Composite Materials.

Mike Ciavarella's picture

PlosONE publishes secret of Stradivari violins in wood density

Research Article

Formal Correction: This article has been formally corrected to address the following errors.

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