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Hi All Can anyone tell me if Ansys 11/12 can perform a random vibration analysis and also use the PSD data (military specification) to perform a fatigue analysis? The fatigue tool seems to be an option under static analysis, but not under random vibration Any help appreciated

Hi guys A very stupid question from a mechanical engineer If you have a 15v LED (The type that can run directly on 15v) in series with a 510 ohm resistor connected across a 15v dc supply would the led light? Is it an acceptable thing to do by adding additional resistors in line like this. I...

Hi all, hoping someone can help. This is probably quite simple, but today brain like jello! Usually if I am to do a quick hand calculation on fixing products to structures I use the following approach; Firstly determine all max tension and shear forces So, example M6 Bolts Grade 8.8 Nickel...

Hi All, I am trying to find any data on pull out strength for wood screws fastening a aluminum flat plate to 6 or 10mm plywood. Anybody any ideas? Dave

Can anyone give me a few pointers.If i had a wind force acting on wall of given dimensions (say 3m h x 4m w), how easy is it to calculate the wind velocity?

Hi, Somebody told me that if you purchase a full version of Inventor the license agreement allows you to also use the same license on a laptop (2 for 1 per say). Now, I don't believe this as big corporations could buy 100 licenses for the 200 users This cannot be right, can it

Hi, Not sure if this is the correct place to ask this but here goes. I am trying to work out a equation for calculating the rise time of a half sine, assuming peak and period is known and working on 10-90% Any takers

Hi All, I.m trying to track down a naval spec BR 3021. I think it is a uk naval spec but not sure where to source

Hi All please ignore my ignorance, but can anyone give me an example of a SDOF model? For example if a simple L Bracket was modelled and had a fixed restraint on the back face. I am a little confused by the degrees of freedom statement that is displayed when cosmos analyses Jo

Hi all, New and totally electrical so plese accept my ignorance Say I have a shelf rated to carry a 100kg load and all it sees is normal gravity. Now, say i subject this to a constant 4g acceleration then i assume the shelf has to withstand 4 x 100kg. But what if I want to make the shelf...