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Cohesive Elements and Soft Materials

Submitted by kvm7 on
research
Elastomers
Cohesive elements
ties
soft material

I am working on a model in which i have a soft layer of material bonded between to rigid layers of material via cohesive elements following a linear separation-traction law based on a critical fracture energy value I determined from experimental and numerical work. I have the interlayer and cohesive elements as one part with a partitioned face and connected to the two adherends via surface-to-surface ties. I have found that my model runs successfully only if the soft interlayer material is made very stiff.

Natural Frequency Extraction in conjunction with UMAT in ABAQUS

Submitted by Vaibhav Yadav on
research
User subroutines in ABAQUS
UMAT
eigenfrequency

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:


Finite Element Modeling On Polymer Nanocomposite with Clay Nanofiller

Submitted by ANIL KUMAR on
research
interface
mechanical properties
stiffness

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.

An International Journal: Acta Mechanica Solida Sinica (AMSS)

Submitted by C Amss on
research

Acta Mechanica Solida Sinica (AMSS) aims to become the best journal of solid mechanics in China and the known one in the world in the field of mechanics, by building up an international exchange platform for the ecological research; providing original, perspective and even breakthrough theories and methods for the research on solid mechanics in China and in the world; serving the sustainable development worldwide.

For more information please see: http://ees.elsevier.com/camss

Melosh Competition: 2nd Call for Abstracts

Submitted by John E. Dolbow on
research
melosh competition

This is the second call for abstracts for the 23nd Annual Melosh Competition for the Best Student Paper on Finite Element Analysis.  The deadline for the abstracts has been extended to January 14, 2011.   Details of the competition and submission procedure can be found here. 

Effect of electrical boundary conditions on the polarization distribution around a crack in a ferroelectric single domain

Submitted by Jie Wang on
research
fracture of ferroelectrics

Polarization distributions around an open crack with different electrical boundary conditions in a single crystal ferroelectric are investigated by using a phase field model. The surface effect of polarization is taken into account in the phase field model, which has not been included in previous ferroelectric crack models. The simulation results show that the impermeable crack and the crack filled with air have a significant influence on the polarization distribution, while the permeable and the crack filled with water have little influence.

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