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Modeling 2D orthotropic material in Nastran

I'm modeling a laminated composite surface in Nastran. In order to model the laminate, I need to define a 2D Orthotropi...
2 comments posted 20yrs
posted by dave.harper
2 comments posted 20yrs posted by dave.harper

NASA space shuttle foam ?

Does anyone know any of the physical properites of the foam used on the heat shield? Is it some kind of foamed ceramic...
5 comments posted 20yrs
posted by kolesnik
5 comments posted 20yrs posted by kolesnik

Elementary? - the cannonball and the carpet!

I'm certainly not mech eng so can can someone please explain the following to me... A cannonball is sitting on a horizo...
7 comments posted 20yrs
posted by dave
7 comments posted 20yrs posted by dave

Looking for engineer in Germany

Company, active in filtration technology is looking for a german speaking engineer. Details at: www.FriedrichsFilter.de/...
0 comments posted 21yrs
posted by A.removeFriedrichs
0 comments posted 21yrs posted by A.removeFriedrichs

August caption competition

A small break from the science, but only just - think of a caption for the pic and read last month's winners. www.null-h...
0 comments posted 21yrs
posted by dav01
0 comments posted 21yrs posted by dav01

advice on first engr job?

Hi all, I am graduating soon with a ME degree from OSU. I can't stay for grad school just now; my debts are too large a...
0 comments posted 21yrs
posted by wallace.k
0 comments posted 21yrs posted by wallace.k

cleaning air conditioner condenser unit

A neighbor recommended spraying Formula 409 cleaner on the fins of the outdoor air conditioner condenser unit to clean...
12 comments posted 21yrs
posted by onehappymadman
12 comments posted 21yrs posted by onehappymadman

Spherical Roller Bearing design

I'd like to design my own bearing using spherical or tapered rollers. Where can I find out how to draw the cage profiles...
1 comments posted 21yrs
posted by newsgroup23
1 comments posted 21yrs posted by newsgroup23

MATERIAL SPECS SS41P ???

Dear friends, I am one mechanical engineer and came across one material SS41P ( JIS STd) I would like to know more abou...
1 comments posted 21yrs
posted by milindmane1980
1 comments posted 21yrs posted by milindmane1980

Wanted to Share this Useful Info

Hey I had to do some bolt-torque equations and analysis recently, and found this table that could have saved me HOURS....
3 comments posted 21yrs
posted by andyvich
3 comments posted 21yrs posted by andyvich

thermal conductivity measurement equipment to buy

Hi All, I was asked to determine what sort of equipment to buy in thermal measurement of nanofluids (such as in flow lo...
2 comments posted 21yrs
posted by ozigun
2 comments posted 21yrs posted by ozigun

Simple Observation of Mental Ability

You know I think that the cowardly cheap shots are the core evidence that the person(s) are of no intelligence at all....
0 comments posted 21yrs
posted by wiersma
0 comments posted 21yrs posted by wiersma

Busting my brain

Hey guys and girls. I'm a second year mech eng student, working as an assistant to engineers in the coil coating indust...
11 comments posted 21yrs
posted by jp.venturi
11 comments posted 21yrs posted by jp.venturi

CMMS software advice?

Anyone have some good advice on what CMMS software to use? This would be for a medium size manufacturing facility with...
2 comments posted 21yrs
posted by me
2 comments posted 21yrs posted by me