research
FSW in ANSYS
Hello ANSYS masters, I am student of M.Tech and I am currently doing my dissertation on Friction stir welding stimulation using ANSYS Mechnical APDL. The problem I face is in defining the time substep in the load step defined as follows
Deviations from cooperative growth mode during eutectoid transformation: Insights from a phase-field approach
The following is the link to the article recently published in Acta Materialia :
http://www.sciencedirect.com/science/article/pii/S1359645414006168.
The preprint can be downloaded from the following link: http://www.kumarankitresearch.com/publications/
Abstarct
Cohesive Zone modelling
Dear all,
I am trying to study the fracture at bonded interfaces using cohesive zone model in Abaqus. I am going through the abaqus manual but it was not clear how to insert the chosive elements in the model. How to model these chosive elements. Can anyone help in modelling the chosive elements.
A computational study of flexoelectricity
Flexoelectricity is a size-dependent electromechanical mechanism coupling polarization and strain gradient. It exists in a wide variety of materials, and is most noticeable for nanoscale objects, where strain gradients are higher. Simulations are important to understand flexoelectricity because experiments at very small scales are difficult, and analytical solutions are scarce. Here, we computationally evaluate the role of flexoelectricity in the electromechanical response of linear dielectric solids in two-dimensions.
VUMAT Subroutines for multi-phase material behavior.
Hi everyone. I would like to know how to get started with a VUMAT subroutine for multiphases for example a subroutine for pore water and sand. It could be helpful when anyone could share VUMAT subroutines for learning such complex programmings. Could be appreciated when some one teaches with equations. thank you.
coupled temp-displacement analysis ABAQUS CAE: predefined field problem
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Hi I'm new in abaqus, I'm trying to make a coupled temp-displacement analysis with abaqus, but I cant fix an initial velocity in the predefined field in the inital step (I mean I can, but it doesn't work during the calculations), I already did the same thing with dynamic implicit analysis and it worked good
Extremely Curved Cracks
The word "extreme" seems to be "trending" a lot these days, see the recent discussions on the new journal Extreme Mechanics Letters.
My collaborator Ruben Sevilla at Swansea and I were interested in very curved crack paths that develop in nature and have been replicated experimentally in thin films attached to elastic substrates.
Journal Club Theme of September 2014: Numerical modeling of thermo-hydro-mechanical coupling processes in porous media
Thermo-hydro-mechanics (THM) is a branch of mechanics aimed to predict how deformable porous media behave, while heat transfer and fluid transport simultaneously occur in the pores filled by liquid and/or gas. Understanding these multi-physical responses is important for a wide spectrum of modern engineering applications, such as tissue scaffolding, geothermal heating, mineral exploration and mining, hydraulic fracture, energy piles, tunneling with frozen soil and nuclear waste storage and management.
Determination of the elastic properties of rabbit vocal fold tissue using uniaxial tensile testing and a tailored finite element model
http://authors.elsevier.com/a/1PcEa6EHNeGWdB
Highlights:
- Uniaxial tensile testing of rabbit vocal fold tissue.
- Investigating the role of specimen shape on tensile testing of vocal fold tissue.
- Development of a shape-specific finite element model to estimate elastic modulus.
- Comparison of elastic moduli from shape-specific and generic-shape models.