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BoJing Zhu's picture

Comparison of intrapore velocities measured and simulated in the highly macro-porous biscayne aquifer

Using the data from 3D hybrid lattice boltzmann code under parallel environments, some interesting simulated results are obtained by using Tecplot.

Tips:

After download the attached files, please change files name from *.ppt to *.wmv, then they  can be display normally by media player  

Solution of Mechanics of Composite Materials

Is there anyone willing to give me the students solution manual for MECHANICS OF COMPOSITE MATERIALS by AUTAR KAW (2nd Ed)

 It's urgent. I have exam coming up. Please help.

Li Han's picture

Water diffusion and fracture behavior in nano-porous low-k dielectric film stacks

Among various low-dielectric constant low-k materials under development, organosilicate glassesOSGs containing nanometer-size pores are leading candidates for use as intrametal dielectrics infuture microelectronics technologies. In this paper, we investigate the direct impact of waterdiffusion on the fracture behavior of film stacks that contain porous OSG coatings.

kaushik das's picture

Symmetry breaking, snap-through, and pull-in instabilities under dynamic loading of microelectromechanical shallow arches

Arch-shaped microelectromechanical systems (MEMS) have been used as mechanical memories, micro-relays, micro-valves, optical switches, and digital micro-mirrors. A bi-stable structure, such as an arch, is characterized by a multivalued load deflection curve.

Free Size-limited Version of ADINA!

We are offering a free size-limited version of the ADINA finite element analysis software widely used for solving linear and nonlinear structural, heat transfer, CFD and multiphysics problems.

To request your free copy please visit:

http://www.adina.com/n900.shtml

Light Activated Polymers

Soft active materials have received increasing interests recently. Here, soft materials can broadly refer to polymers, elastomers, hydrogel gels. Active materials mean that these materials can respond to external stimuli. Examples of soft active materials include shape memory polymers, environmentally responsive hydrogels, liquid crystal elastomers, etc.

Rui Huang's picture

Effect of constraint on swelling of hydrogels and formation of surface creases

Inspired by recent works by Wei Hong , Xuanhe Zhao, Zhigang Suo, and their coworkers, we started a project on hydrogels, with particular interest in various instability patterns observed in experiments. The attachment is our first manuscript on this subject. Through this work we hope to achieve the following:

Postdoctoral Researcher Position in Computational Material Science

A postdoctoral research position in developing first-principles based multiscale modeling of Li ion batteries is available immediately at the Richard G. Lugar Center for Renewable Energy in Indiana University-Purdue University Indianapolis (IUPUI). The candidate will work on a project on developing and applying multiscale simulation approach to modeling the material processes occurring in Li-ion rechargeable batteries. This project involves close collaborations with the experimentalist scientists.

Failure Criteria for Fiber Analysis

Hello,

I am trying to include a failure criteria for a single yarn in a plain- weave fabric model.The yarns behave as elastic-brittle( That is there is no plastic deformation)
I have the failure stresses and strains data in both fiber and transverse directions.I have  included the following properties:

Material definition
Density
Elastic : engineering constants
Viscoelastic: Relaxation test data

how can i model a Composite of 3 layup? ABAQUS

hi``eveybody.

I am new to ABAQUS,have a model to simulation.

it has 3 plies that are combined with glue.

the core ist polymer and the upper,lower ply is the same steel.

the 3 plies have eigenvalue of thichness

should i build 3 parts,or only 1 part in the parts model?

when i cannot ignore the glue,thus what should i do?

should i use Create Composite layup in the Property model or create a solid Composite

 

Analysis of Torsion-Bending of Laminated Composite Beam by FEM using ANSYS

 Hi everyone!

i'm a researcher at the Deparment of Mechanical Engineering of University of the Philippines-Diliman. currently, i'm working on completing my thesis for my MS degree. my research area in general is in mechanics of composite materials (fiber-reinforced). my problem is that of formulating the FEM solution to the torsion-bending of laminated composite beam having orthotropic layers.

Translate a paper(in Japanese Language)into English

Hi,

I want to translate a paper''On an applicability of discontinuous model to crack problems'' published in JSME( japanese language)  into English.But the Pdf file is password protected so i don't know how can i do this?

I hope someone will help me. 

Thanks 

Kuldeep 

Ph.D. Student in Computational Biomechanics

One position for a Ph.D. Student in Computational Biomechanics for 3 years, fully employed;
expected from January 1, 2010 at the Institute of Biomechanics in Graz, Austria.

 See the attachment for more details.

Ph.D. Student in Experimental Biomechanics

One position for a Ph.D. Student in Experimental Biomechanics for 3 years, fully employed;
expected from January 1, 2010 at the Institute of Biomechanics in Graz, Austria.

See the attachment for more details.

alishafi's picture

How can I find the exess pore water pressure in my dynamic soil model

Dear friends

I've prepared a dynamic model of saturated loose sandy soil with abaqus software. Unfortunately, after  running the model, the pore water pressure is didn't raise up. I don't know if any kind of subroutines I must use or anything else. I'm in the final step of  my thesis analysisand I really need your helps.

Sincerely yours

alishafi

Deformation gradients and atomistic simulations

I came upon a recent paper called "Deformation gradients for continuum mechanical analysis of atomistic simulations" by Jonathan A. Zimmerman , Douglas J. Bammann,  and Huajian Gao, International Journal of Solids and Structures 46 (2009) 238–253 where the authors conclude with

User Element for Ansys

Hi,

I ask for help. I need to implement a user element for shell element in Ansys, and I ask if somebody know how to do this or can send me some example. I try to read something but I not found a good example about user element in Ansys Thanks a lot.

Jian SHI's picture

an epitaxial question

Hi, everybody, i had one problem. see the attached image.

Does anyone know how to get the strain function or strain energy of the perfect epitaxial film? Or could you recommend some textbooks or references about this topic?

Thank you

Simple beam simulation in Abaqus

Hi everyone,

I have modelled a simple beam using continuum elements to assess the mechanical behaviour. The results are quite good since it could predict deflection close to test data. Using ABAQUS general-purpose shell elements, the deflection is quite small compared to test results ie it appears the material has become more stiff. Can any one give me a clue?

Many thanks in advance,

Emmanuel  

 

phamhuytuan's picture

Complicated rotor dynamic simulation with ANSYS/ABAQUS or Madyn 2000

 Rotating drum by you.

I have a system as in the Figure. There will have a radial load and a lateral load acting on the circumference of the drum which rotate at around 1000 rpm. I want to investigate the stability of the shaft at this speed. Can ANSYS or ABAQUS simulate this kind of dynamic simulation or is there any other software can solve my problem.

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