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Testing standard impact test

Dear imechanicans,

 

I am starting to do charpy test on a fiber composite and I am wondering about the testing standards. (because I dont wont to choose a wrong geometrie).

The problem is: the given sample is a hollow tube with a given wall thickness.

 Do you have any ideas on which testing standrads my analysis should be based on?

Or what should I pay attention? (because it is not a standard sample)?

 

THANKS

[SOLVED] 3D crack growth modelling in Abaqus by XFEM

Good day everyone,

I'm new to iMechanica and look forward to getting to know everyone here. Smile

I'm currently doing analysis of interlaminar crack growth in fibre-reinforced composite by Extended Finite Element Method (XFEM) using Abaqus. I'm a new Abaqus user and therefore I have to familiarise myself by constructing random 2D and 3D models with isotropic materials before jumping onto anisotropic.

Lorentz Transformation - A very Brief Derivation

Hi,

Here I give a very brief derivation of Lorentz Transformation.

Lorentz Transformation, Relativity  

 

Geometric Nonlinear Finite Element Program

    I'm programming a finite element program to analyze the force of submarine pipeline.When the pipeline is lifted highly from seabed,it is a large deformation problem.

    Is there any open soure  to solve the problem?

    Give me some advices.

    Thanks a lot!

Judith Todd's picture

USNCTAM 2010

To all USNCTAM Congress participants.
 
USNCTAM 2010 is just two weeks away!
 

Vanessa Van Dyk's picture

The Idaho National Laboratory has an opening for a Postdoctoral Appointee in the area of laser-based characterization of mechani

The Idaho National Laboratory has an opening for a Postdoctoral Appointee in the area of laser-based characterization of mechanical and thermal properties.  This position is co-sponsored by the Fuel Cycle Research and Development program and the Center for Materials Science of Nuclear Fuel.  The candidate must have completed a PhD degree in Materials Science, Physics, Mechanical engineering or a related field.  The candidate should have a strong background in the development of continuum based models and/or a strong background in optics. 

SIMULIA announces new features in Abaqus 6.10

For those of you looking for FSI simulation on Abaqus platform, recently Simulia has announced the new features in release 6.10, which introduces the capability for performing Computational Fluid Dynamics (CFD) simulation.
So it enables users to perform coupled physics simulations with
Abaqus/Standard and Abaqus/Explicit, such as fluid-structure
interaction between human tissue, a medical device, and fluid flow, more information:

http://www.simulia.com/news/pr_100524_DSS.html

 

2 Postdocs: Domain specific languages positions at Imperial College

Two uniquely exciting positions are available at IMPERIAL COLLEGE LONDON on domain specific languages for computational mechanics applications:


http://www3.imperial.ac.uk/computing/situations-vacant#3

http://www3.imperial.ac.uk/computing/situations-vacant#2

I believe this could be of high interest to our community. 

 Best regards from Cardiff,

Stephane   

 

PhD Research Positions in Computational Nanomechanics at the University of Pittsburgh

Several PhD research positions are currently open in the Computational Nanomechanics Group at the University of Pittsburgh for the following research projects:

 

1.  Thermomechanical behavior of carbon-based nanomaterials

2.  Atomistic-to-continuum themomechanical theory in solids

3.  Mechanics of nanoporous and nanocrystalline metals

 

Research Positions Available UCLA Fusion Science & Technology Center

The UCLA Fusion Science & Technology Center is seeking to fill several research staff positions to perform research in areas that include CFD, heat and mass transport, chemical processes, and/or structural mechanics. Research positions are available for beginning and mid-career levels.

Candidates should have a PhD degree in mechanical, nuclear, or chemical engineering with strong background in analysis, modeling, numerical computation, and/or experimental techniques. The research applications are in the area of fusion nuclear science and technology.

A great russian mathematician Vladimir Arnold died on 3rd of June, 2010 in Paris

Vladimir Arnold died on 3rd of June 2010 in Paris, just 9 days before his 73rd birthday.

I am sure many mechanicians know him by his books, such as

Mohr's Circle---When Was the Last Time You Used It in Your Professional Engineering Work?

As a consultant in computational mechanics, I currently help write some FEM-related code, and while doing this job, an episode from a recent past came to my mind. Let me go right on to the technical issue, keeping aside the (not so good) particulars of that episode. (In case you are curious: it happened outside of my current job, during a job interview.)

If you are a design engineer, FE analyst, researcher, or any professional dealing with stress analysis in your work, I seek answers to a couple of questions from you:

Question 1:

Hirschberger's picture

1st MUSIC Summer School on "Multiscale and Multiphysics Modelling of Interfaces"

The Graduate School MUSIC (Multiscale Methods for Interface Coupling) invites to its first Summer School on Multiscale and Multiphysics Modelling of Interfaces at Leibniz Universitaet Hannover, Germany, from 15 to 17 September 2010.

Experimental data with different specimen sizes for single notch bending test

Experimental data with different specimen sizes for single notch bending test

Hello, everyone 

on convected coordinates (curvilinear)

Please suggest me any good reference on curvilinear convected coordinates. I am finding it difficult to physically interpret and visualize the concept. I would be very thankful.

Nonlinear deformation analysis of CNTs with higher order Cauchy-Born rule based constitutive model

 

   Recently, we have developed a so-called higher order Cauchy-Born rule based
   constitutive model for the analysis of large deformation of CNTs [1]. It is
   a generalized quasi-continuum model for nano-structures.

zhan-sheng guo's picture

The 3rd International Conference on Heterogeneous Material Mechanics-First Announcement and Call for Papers

First Announcement and Call for Papers
ICHMM-2011
The 3rd International Conference on Heterogeneous Material Mechanics
May 22-26, 2011
Shanghai (Chong Ming Island), CHINA
http://ichmm2011.shu.edu.cn

Co-Chairs

D.L.
McDowell
, Georgia
Institute of Technology

Pedro Reis's picture

JClub June 2010: Geometric Nonlinearities in Thin Elastic Objects

Welcome to this month’s (June) Journal club, where I propose a discussion on the elasticity of thin objects (rods, plates and shells). It is a field with a long history that is being revived and rapidly burgeoning in new contexts.

Jayadeep U. B.'s picture

Lagrangian Vs. Serendipity Finite Elements

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Dear all,

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