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what's detwinning

Submitted by Rongmei niu on

Now I am doing some work about nanotwinned copper, and don't understand what's the nature of "detwinning". 

Could any disappearance of the original nanotwin structure and the formation of a single grain or a new twin structure with TBs in a different orientation and/or with different TB spacing be called detwinning?

Simulation of the Ballistic Perforation of Aluminum Plates with Abaqus/Explicit - 2012

Submitted by SIMULIA on
This Technology Brief describes Abaqus/Explicit
modeling of the ballistic impact of metal projectiles on metal targets.
It will demonstrate the utility of Abaqus/Explicit as a tool for
reducing the amount of experimental testing as well as assessing the
projectile residual velocities and time-resolved kinematics. 

An atomistic-based foliation model for multilayer graphene materials and nanotubes

Submitted by susanta on

The mechanical behavior of mono- and multi- layered graphene and carbon nanotube (CNT) systems has attracted great attention over the last decade because of their importance in nano-science and nanotechnology.

FROTRAN subrountines for ABAQUS in bone remodeling simulation

Submitted by Lilia Wang on

I'm new in the computer simulation of adaptive bone remodeling (Bone will adapt to the loads it is placed under). And I know many research cases of numerical model were implemented as FROTRAN subrountines for the software package ABAQUS: the bone material properties will be updated by the subroutine.

I know FROTRAN is excellent at handling large data sets for scientific coumputing and requires less resources, but I haven't learned the FROTRAN.I wonder what else irreplacable advantages of  FROTRAN in the bone remodeling? 

Special Issue on 'Mechanics of Liquid and Solid Foams' freely available online!

Submitted by Laure Ballu on

This Special Issue of the International Journal of Solids and Structures includes sixteen articles presented at the international symposium: Mechanics of Liquid and Solid Foams. The symposium was organized under the auspices of the International Union of Theoretical and Applied Mechanics (http://www.iutam.net) and was held at the University of Texas at Austin in May 8-13, 2011. The papers deal with various aspects of mechanical behavior of cellular materials and foams in particular, and represent the state of the art in the field.

Can we give the output as the input for the new analysis.....

Submitted by erpandian on

Dear all,

I want to simulate the continuous forging operation in abaqus.

So after one forging operation, can i give the deformed shape as the input for the next cycle.

 

 

It would be kind of you to reply to me as soon as possible.

Thank You,