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Job Positions at Engineering Mechanics Department, Institute of High Performance Computing, Singapore
As a proud member of theAgency for Science, Technology and Research (A*STAR), the Instituteof High Performance Computing (IHPC) was established in April 1998 toprovide leadership in high performance computing as a strategicresource for scientific inquiry and industry development. Ourmission is to advance science and technology, and develop leadingedge applications through high performance computing andcomputational science.
Natural Frequency Extraction in conjunction with UMAT in ABAQUS
Hi,
We are using the user subroutine UMAT in ABAQUS for varying the material properties in a thin plate. For any static analysis this subroutine is working perfectly fine. However, while using UMAT during natural frequency extraction, ABAQUS is not completing the analysis and is giving a very vague following error message in the log file:
Postdoctoral Research Associate Positionon Acoustic Metamaterials
The Department of Mechanical and Nuclear Engineering at Kansas State University invites applications for a postdoctoral research associate position. The primary responsibility of the position is to conduct research on sonic crystals and acoustic metamaterials. The position is supported by an externally funded project by the federal government. The position is temporary appointment initially set for one year, and renewable contingent upon the performance and funding availability. The expected starting date is January 15, 2011. Required qualifications include: an earned Ph.D.
Finite Element Modeling On Polymer Nanocomposite with Clay Nanofiller
I'm doing Mtech project on Finite Element Modeling On Polymer Nanocomposite with Clay Nanofiller. For that am using ABAQUS software, so i need some information regarding that ABAQUS software, how to do finite element modeling of nanocomposites with nanofiller and How to prepare a code distrubution in the plate like particales in the polymer matrix with ABAQUS software. So please can any give information.
Influence of surface irregularities during rolling contact
Hi all,
A smooth cylinder in contact with a cylinder that is fitted with one of two irregularities: a 0.4 μm deep groove, or a 7 μm deep groove. the materials are hardened bearing steel and the 440C grade. how to calculate contact pressure distribution Hertzian pressure for contact with the grooved and smooth surface.
Looking for your valuable suggestions,directions.
which is a good book would give answer for the present problem?
Thanks in advance,
Rajesh
How to write an input ABAQUS file containing UMAT and USDFLD together
Hi everyone,
I am trying to model composite failure in abaqus. I used USDFLD to check different failure mode (fiber tension/compression, matrix tension/compression,..) based on available theory of failure. After checking the failure, if any element fails, the material property like stiffness will suddenly reduces to near zero. At this time i need to chnage material stiffness in UMAT and getting new stress distribution.
My problem is in the input file (inp file) how can I use both command for USDFLD and UMAT?
Here is a part of my input file:
Post-doc in micromechanical testing at Oak Ridge National Laboratory
We have an immediate opening for a post-doctoral candidate in the area of micromechanical testing within the Mechanical Properties and Mechanics group at ORNL. Please see the attached file for further details. If you are interested in the position, please apply online at: