Civil Engineering Conference in the Asian Region and Australasian Structural Engineering Conference 2010

The 5^th International Civil Engineering Conference (CECAR5) hosted by Engineers Australia, together with the Australasian Structural Engineering Conference (ASEC 2010) will bring together a broad cross-section of the civil and structural engineering professions who want to learn, network and advance their technical skills.

Some links in imechanica website:

1. modern explosion science and engineering by Henry Tan

2. 爆炸力学的发展史 by Ying Li

3. Impact and explosion mechanics in China by Huang Peng

I am confused about the use of two-point tensors in elasticity. The deformation tensor F and first PK tensor are two point tensors, and the "two-point" property arises from use of two different Coordinate System When a continuum body is deformed, why it is necessary to move the Coordinate System as well? (or alternatively, why the coordinate system is attached to the body itself??, isn't it possible to use a general coordinate system which can represent the deformations and also account for the rigid body rotations of the continuum body?).

An old book of elasticity with excellent and precise theoretical explanations. It is still valuable and inspiring book in elasticity up to now.









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With great pleasure I inform you that Jerrold E. Marsden, of Caltech, are selected to receive the 2010 Thomas K. Caughey Dynamics Award.

I am writing on behalf of the Thomas K. Caughey Dynamics Award Committee: Zhigang Suo (Chair), Tayfun E. Tezduyar, Ares J. Rosakis, Kenneth M. Liechti, Lawrence A. Bergman, Daniel J. Inman, Krishnaswamy Ravi-Chandar, Thomas N. Farris, Wing Kam Liu, Mary C. Boyce, Paul Jennings, Geof Tomlinson, and Ali Nayfeh.

Hi

i am studying adhesive joints of sandwich panel.I used contact elemet in  ANSYS software to modeling adhesive but my solution did not converge.I used smaller elements and increased the number of susteps, but they could not help me. do you know what the problem is?

thanks in advance,

Best Regards

Aidin Ghaznavi

With great pleasure I inform you that Yoichiro Matsumoto, of the University of Tokyo, is selected to receive the 2010 Ted Belytschko Applied Mechanics Award.

Hello,

 I am using abaqus to do research on polarization procedure of piezoelectric materials. I want to develop a user subroutine that can allow me to input variable piezoeletric material properties and do coupled problem. I want to know if UMAT can solve this problem or I need to use other subroutine. If there is that subroutine, what is it.  Any suggestion is appreciated.

 Thanks in advance,

Linhui Zhang

hello everyone,

I am trying to model a concrete element subjected to static load using Abaqus Standard. For concrete, I am using Concrete Damaged Plasticity and beam elements for my reinforcement. I am embedding my reinforcement into the concrete (host elements).

Since I started, I faced several issues. They are overconstraint, numerical singularity and negative eigen values. I managed to resolve both of them. However, the behavior from my model is nowhere near the experimental data that I have. It seems that the model is excessively stiff.