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# #ABAQUS

## PhD position: multiscale computational mechanics of advanced composites

Mon, 2018-01-22 10:06 - claudiosaul.lopesThe Composites Materials Group (http://www.materials.imdea.org/groups/cm/) at IMDEA Materials, led by Dr. Carlos González and Dr. Cláudio S. Lopes, invites applications for a PhD student position in the field of multiscale computational mechanics of advanced composites. Candidates with interest and knowledge on computational damage mechanics, model development, numerical simulation and optimization methods for advanced composite materials and structures are strongly encouraged to apply.

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## Problem with defining corner BC/constraint

Mon, 2017-12-04 11:02 - froblesHello all,

I'm trying to model the buckling of a shell structure under thermal load.

The structure is square-shaped.

The left edge must be kept straight. To achieve that, I applied MPC Tie Constraint for its nodes.

The bottom edge must be fixed so that the BC applied at its nodes was U1 = U2 = U3 = 0.

Temperature is applied as a predefined field.

However, when I run the simulation the corner that connects both edges deforms very strangely which makes me question how to model it.

I appreciate any input. Thanks.

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## Solved examples for calibrating non-linear combined(isotropic-kinematic) hardening model parameters for metals under low cycle fatigue loading

Tue, 2017-11-28 14:52 - PVR Narendra BabuHello everyone,

## About periodic BC for large mesh in ABAQUS

Mon, 2017-11-20 15:16 - Bowen LiangHi all,

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## Time domain testing of viscoelastic material in Abaqus

Mon, 2017-10-30 14:36 - Asim Gillani- Read more about Time domain testing of viscoelastic material in Abaqus
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## SOLVED

Mon, 2017-08-07 09:29 - rohanc- Read more about SOLVED
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## Abaqus/Python - commands to find nearest node to a given point

Mon, 2017-08-07 03:23 - Leon MishnaevskyHi,

I need to write a python comman code to find a node (in a given set), nearest to a given point.

The code now looks as follows:

import sys

sys.path.insert(10,

r'c:/SIMULIA/Abaqus/6.13-3/code/python/lib/abaqus_plugins/findNearestNode')

import nearestNodeModule

nearestNodeModule.hideTextAndArrow()

a = mdb.models['FibreModel'].rootAssembly

n1 = a.instances['Fibre0-1'].nodes

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## How to find normals stresses in the global x y z direction in ABAQUS?

Mon, 2017-02-13 14:01 - balakrishnanI am trying to find normal stresses (in the global x-y-z direction) of individual layups (plies) in ABAQUS. While post processing I only find S11 S22 S12. Do I always have to use a transformation matrix to find my Sxx Syy and Sxy? Is there a GUI/ Command way to extract the stresses in each ply in xyz directions?

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## how to run a python script after each increment in abaqus.

Mon, 2016-12-19 13:32 - mayankchouksey09hi,

I am doing static stress analysis. in my problem, I have to update my input file after each increment. so for updating the input file, I have to do some calculation depend on the output of the previous increment result. for these calculations, I have to call the odb file after each increment, do some calculations, update the input file and the process will go on. I have written a python script for the calculations from the odb file but don't know how to use this script after each increment.

thank you

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## Strain values transformed in a rotated x'y'-Cartesian coordinate system with ABAQUS

Mon, 2016-12-05 04:36 - Mohammed BouchelarmDear All,

I'm trying to get strains in some specific points (along a path) from the xy-Cartesian coordinate system to a local x'y'-Cartesian coordinate system rotated through an angle (theta) which means transform the strains (Ex,Ey) to (Ex',Ey') as described in the attached figure, something I usually do manually with Mohr's circle and I wonder if I can do it directly with Abaqus ?

Thank you in advance !

Regards.

Mohammed.

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