Another Question about Cosmos Work

It really depends on what you are expecting from your analysis. If you are doing a quick evaluation of your part to determine efficacy, then you will probably be OK. You have to use some engineering judgement on how simple the model can be, in order to use the results of the analysis to go forward. I have simplified complex parts by only including critical to function geometry. I have to caution you on his technique. It helps get you a relatively quick analysis, allowing you to see any major hot spots. But, you will have to follow up on those and add geometry to the model and rerun. With the FEA analysis power available in CosmosWorks, I would reccomend getting as close to your 3D model design as practical, make multiple runs on that, and refine as required.

Here's the straight story - it all depends.

Seriously, most of us who use CosmosWorks generate an analysis configuration if the model has a lot of stuff on it that we don't care about. We may suppress holes, bosses, etc, but we have to know what we're doing. I've seen people suppress a small sharp edge in a high speed wheel only to later watch it disintegrate..

But, the idea of just using a rectangular prism raises all kinds of red flags. What kind of analysis are you doing? Don't take this as criticism, but normally the analysis should take a lot longer than the modelling; are you just starting out? And, what happens if the analysis shows a problem or a need to optimize?

And, when you talk about drawing to scale in SolidWorks (I presume), why ever work to anything else; it's parametric?

If you would like some assistance in modelling the part a little more accurate, give us a little more description.

thanks tvp45 and gfought. all are logical answers.

tvp5, you're right on the money there. i dont think it would be a good idea to simplify the analysis of an object but try to get as close as possible to a 3-D model. I ve just started using the cosmos by the way. still reading the tutorials.

thanks.

A good book is Paul Kurowski's Engineering Analysis with CosmosWorks. I'm not sure which version of CosmosWorks it's up to, but that doesn't matter that much. Probably about $20 USD at Amazon.

thanks TVP45,

i really need one of the books to carry on with my cosmosworks. i will purchase one soon. after i think that i am confident with the tutorial materials and example which means i can move ahead.

i also came across this website, so i thought maybe you would be interested in browsing it:

http://www.schroff1.com/

Thanks. BTW, our local SW retailer recommends Schroff, so I think they're pretty good. Good luck.