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Metal Foam fracture

Submitted by mhmd abdelshafy on

Dear All

I'm working on studing the use of metal foam in sandwich structre containing Al or steel plate to overcome an impact shells or plates at differnet impact velocity but the prblem that I face how to define the failure critrion of Meat foam except difine the crushable foam properties, and I've read a paper on using cohesive element but i don'nt know how to use it.

Hopefully some one can help me solving this prblem, by the way I'm using ABAQUS v6.6

Regards

time integration for plasticity

Submitted by tim on

Hi this is Tim, final year undergraduate student .can anyone tell me why we need time integration for plasticity (hardening).As i am undergraduate student my knowledge is very limited so could you please let me know from basics. Also what does explicit and implict integration  mean in the application of  plasticity?

THanks in advance,

Tim

Postdoctoral Research Position at IDMEC-FEUP, Portugal

Submitted by RenatoNatalJorge on

The Institute of Mechanical Engineering of the Faculty of Engineering of the University of Porto, Portugal, intents to contract 2 researchers (postdoctoral) to work in the group of Structural Integrity. The main topics of this group are:

- Development of advanced composites

- Product development

- Fracture and fatigue behaviour of components

- Development of structural wood components

- New numerical techniques to analyze solids and structures

- Biomechanical behaviour of soft tissues