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Mixture Material Model in DEFORM 3D

Submitted by ashwin.devotta on

Hi all,

I would like to model the transformation of austenite to bainite and martensite in the simulation software DEFORM 3D.

I am not so much confident with the core metallurgical concepts. I would like to know, if some one has experience in creating a material  model using mixture method in DEFORM 3D.

Would like to hear from you.

With Best Regards

Ashwin

Time Dependent Distributed (Consistent) Mass Mstrix Calculation in FEM

Submitted by vasudeo on

Dear All

I am working on large deformation finite element analysis for my research work. To consider the self-weight I need to calculate the distributed (consistent) mass matrix. So my question that how calculate time (for static analysis time will be representing only load steps) dependent distributed mass matrix in new configurations. 

 

Any comment will be appreciated 

Thanks

Vasudeo Chaudhari  

Postdoctoral position at University of Pittsburgh

Submitted by ravishm on

The Department of Industrial Engineering at the University of Pittsburgh anticipates an opening for a postdoctoral associate starting September 2010. The position’s primary area of research will focus on mechanics of the microforming processes and characterizing the thermomechanics of deformation at micrometer length-scales.

Registration Mimics Innovation Awards 2011 is open

Submitted by Mimics on

The registration of the 2011 edition of our famous Mimics Innovation Awards is open. So, if you have an interesting research project in which Mimics is used, then you can submit this now! Of course, we reward the winners again with 17,500 Euro in total.

You can participate in 4 categories:

Journal Club September 2010: Modeling the Mechanics of Cellular Membranes

Submitted by Alexander A. Spector on

Constitutive relations, 2-D vs. 3-D. The starting point for modeling cellular membranes is the constitutive relations in 2-D space. It is important to set up the corresponding equations directly in two dimensions rather than to consider them as an asymptotic limit of three-dimensional relationships, like it is done in the shell theory. The main reason for the direct 2-D relations is that 3-D continuum approaches are not applicable to membranes whose thickness in on the order of magnitude of the dimension of a single molecule.

Help Modelling Material in Abaqus

Submitted by drestr21 on

Hello All




I need to model a material in Abaqus that when I load the piece, the
material behaves with an Elastic modulus and when I unload the piece the
material behaves with a different Elastic modulus but don't recover all
the strain when the stress is released.




Enclosed you can find the behavior that I want to model.




Any ideas??




Thanks in advance.


David