software

Hi all,

I want to model a soil body which its shear modulus changes with the deviatoric strain.I know it can be introduced in ABAQUS by field variables (defining a field variable). But the question is that how can I tell ABAQUS that the defined variable is the "deviatoric strain" ? 

Thank you beforehand.

Ehsan 

Hello Everyone,

I am very new in Abaqus. I want to learn abaqus as well do some
simulation of machining (Orthogonal/oblique). So I am looking for a
tutorial.

While post processing in hypermesh ,we can use either contour or assign. i need to know difference between this and which is the best to choose for viwing the results.

I am an Aerospace Engineer working at Advanced Composite Division of National Aerospace Laboratory, Bangalore.

I use Abaqus for stress analysis of composite structures.

Abaqus has five inbuilt failure
criteria for composite materials(Tsai-Hill, Tsai-WU etc.) whose contour
plots are shown by requesting output of a field variable called
CFAILURE.

I would like to know if it is
possible to request a contour plot of  a user-defined failure criteria
(which is not inbuilt in abaqus).

Dear everyone,

Recently I am running a 3D FE model in ADINA to
analyse the elastic-plastic fracture behaviour.

A three-point bending specimen was modeled and the specimen was
supported by a contact roller.

Here is the problem:

In a rather small loading (load line displacement was about 0.1mm),
the program indicated that “the mesh is
too distorted” and stopped running. It also showed “No convergence” and stopped if the small strain formulation was
used.

iMechanica,

Using the ANSYS software, have any of you had any success with assigning distinct Hill's plasticity and Hill's creep constants to the same material?

Best Regards,