Blog posts

LINKING FORTRAN AND C++ WITH ABAQUS

Submitted by Kianoosh.Marandi on Fri, 01/13/2012 - 07:12

Dear all

I realized so many users have problems in
linking Fortran and C++ to ABAQUS to run user-subroutine codes such as
VUMAT and UMAT. I managed to collect all information (some taken from imechnica) which
is necessary to establish a proper link. These are my recommended steps :

1-Install ABAQUS

2-Install Microsoft Visual STUDIO (trial
version is good enough!) and install Intel Visual Fortran Compiler if it is not included in the Visual Studio package.

shell and solid modelling

Submitted by iman_hsni on Thu, 01/12/2012 - 23:34

i modeled a beam to column connection.

when i modeled this connection with solid,the analyses completed wethout error but it doesnt give the ur. when modeled with shell,show this message:too many attempt...

sometimes with larger mesh or decreas of load, the analyses are completed.but when i retry,thr analys is aborted and this message is shown.

there are these questions in my mind:

-if i model the connection whit solid,can i take the rotation(ur)?how?

- how can i run this shell model without error?

please help in debugging this

Submitted by hermatician on Thu, 01/12/2012 - 15:39

Python

abaqus script

debugging

please tell me the errors in this programme please

Free Surface Domain Nucleation in a Ferroelectric under an Electrically Charged Tip

Submitted by Kaushik Dayal on Thu, 01/12/2012 - 14:11

preprint

This is the preprint of an article that will appear in the Journal of Applied Physics, 111:014106, 2012. (doi:10.1063/1.3674320).

Free Surface Domain Nucleation in a Ferroelectric under an Electrically Charged Tip

by Lun Yang and Kaushik Dayal, Carnegie Mellon University

Abstract

abaqus - connector or constraints

Submitted by matejh on Wed, 01/11/2012 - 13:34

Hi,

I am relatively new in abaqus environment and i have a question about relatively easy topic. But i would like to ask kindly for your assistance.

I a working on a model - regarding bending of tubes. I would like to connect or constraint 4 elements (rigid or deformable it doesnt matter - placed in one plane, equaly spaced in one plane, around the tube's lonitudial axis),

to a single Ref. point positioned in the center axis of the tube. I want to do that in oredr to achieve behaviour of this 4 elements composition, as one. Therefore. by adding load to

西安交通大学国际应用力学中心（ICAM）全球诚聘tenure-track PI及博士后

Submitted by Zhigang Suo on Wed, 01/11/2012 - 12:36

job

（本招聘广告有效期至2012年12月31日）PDF of this file

为了更好地聚集海外优秀人才、培养国际一流的青年学者、及借此加快建设世界高水平大学的进程，西安交通大学建立了一个新型的、采用美国先进的用人和科研体制管理的研究中心---“国际应用力学中心” International Center for Applied Mechanics (ICAM)。该中心的目标是聚集和培养一流人才，产出一流学术成果，打造国际一流的力学学科。ICAM以独立的tenure-track PI为本，将重点研究国际力学前沿问题及国家重大需求中的关键力学问题，承担国家级的重点和重大项目，并开展高层次国际合作与交流。

Ph.D. Positions in Computational Solid Mechanics

Submitted by A.Tabarraei on Wed, 01/11/2012 - 01:53

Fully funded Ph.D. positions are available in the Department
of Mechanical Engineering & Engineering Science at the University of North
Carolina at Charlotte. The research focus will be on developing and using multiscale methods for modeling nanocomposites and nanomaterials. Candidates should have a BS or MS degree in
mechanical engineering, material science, civil engineering or other related
areas. Computational experience at the continuum or molecular level is
preferred but is not necessary. Interested
candidates please send a CV to atabarra [at] uncc.edu (atabarra[at]uncc[dot]edu)

have trouble with fluids mechancis!!!

Submitted by arturas on Tue, 01/10/2012 - 09:11

I would be very grateful for a help!

ICTAM2012 extension of paper submission deadline

Submitted by J. Chen on Tue, 01/10/2012 - 01:13

conference

Representatives from several countries have contacted the Local Organising Committee of ICTAM2012 (http://www.ictam2012.org/) to say that many of their colleagues had found it impossible to meet the deadline of 9 January, because it was too close to their countries’ winter holidays, and requesting an extension. The organisers therefore announce an extension until 24.00 hours (Beijing time) on Thursday 19 January, 2012, by which time all short papers must be received.

A variational approach to predict percolation thresholds of nanomaterials

Submitted by Frankxu on Mon, 01/09/2012 - 14:35

Study on the properties of inhomogeneous media plays a central role throughout the history of physics, e.g.

Possion’s theory on magnetism of composites, Faraday’s dielectric model of composites, Maxwell’s and later

Rayleigh’s work on conductivity of composites, and Einstein’s thesis on viscosity of fluid-particle media. As

a special branch of this field, percolation research on phase transition and critical phenomena was originated

with lattice percolation theories in 1950s [1]. The idealization of a lattice structure is convenient for analytical

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