Blog posts

A Novel Carbon Nanotube Structure: Super Carbon Nanotubes

Submitted by Yuli Chen on Tue, 04/20/2010 - 20:36

designing a diaphragm

Submitted by cpsar on Tue, 04/20/2010 - 10:30

I am designing a diaphragm for shock tube, I need formulation to calculate the thickness of the diaphragm for rupture pressure, I intend to use thin aluminium foil as a diaphragm. Can I use thin-wall theory? σ=pr/t

UEL CODES

Submitted by Filippo on Mon, 04/19/2010 - 23:30

research

Hi all.

I'm Filippo, a new entry on imechenica community. I'm looking for a simple UEL code for Quad_2D-plane stress or plain strain.

Here's someone that can suggests manual or similar.

I'm grateful in advance.

regarding Abaqus

Submitted by samTF on Mon, 04/19/2010 - 15:18

viscoplasticity

hi guys

am Mr.sam doning phd in mechanical engineering, i am a new user in Abaqus i getting well with it, but i always got axcessive distortion whenever i rty to run for high strain rate probelm. if some of you kindly can give me some hinte it will be great.

thanks in advance

How to solve global stiffness problem using FEA in Ansys?

Submitted by phamduyhai0201 on Mon, 04/19/2010 - 11:15

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HI EVERY BODY!

I'm studying about composite pressure vessel type 3 (that 's with liner inside) . I use Ansys to simulate my object, but i have a problem, i can't solve stress and strain for Solid64 (global stiffness). I don't know how can combine Matlab with Ansys to solve that problem.

I hope some one have some experience in this field can help me. May be show me some simple example how to solve that problem.

swiching Nodal Result output to Integration Points in ANSYS

Submitted by saeedspace on Mon, 04/19/2010 - 10:25

research

Hi every body

i modeled a plane with a notch with elastic-perfect plastic material. somewhere in model the stress reaches above the yield stress

so i think the reason is that ANSYS reports the nodal result output by default wish they interpolated from integration points results.

i want to see the integration points results but i dont know where to finde them.

Shape memory alloy

Submitted by adi_rvce on Sun, 04/18/2010 - 04:00

In shape memory alloy, Recovery strain is the strain at the start of the martensite to austenite transformation to finish of the same transformation.if we assume the material is initially in the austenite state. is it right about wat i thought about recovery strain???

New Nature journal launched: Nature Communications

Submitted by azadpoor on Sun, 04/18/2010 - 01:45

The first issue of the new interdisciplinary Nature journal (Nature Communications) is avilable online. Here is the description of the journal from the website of the journal:

Modeling of SMA in Patran and MSC.marc

Submitted by adi_rvce on Sat, 04/17/2010 - 05:11

I am doing my Masters degree,project is on
Shape memory alloy(NITINOL)......does any body know how to model SMA
using Patran and MSC.Marc?????

Is Your Thesis Hot? Or Not? --- check it out !

Submitted by Mike Ciavarella on Fri, 04/16/2010 - 21:36

PhD Thesis

Is Your Thesis Hot? Or Not?

By Mary
Helen Miller

Writing a thesis about animal intentionality and tool use is
totally hot right now. A thesis about Robert Louis Stevenson's use of
the supernatural to symbolize evil? Not so much.

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