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I'm doing an explicit dynamics problem in Workbench 12.1 with a bullet hitting a 'gellatin' block at 230m/s. The bullet is rigid and set as a copper alloy and 'gellatin' was initially take as "Neoprene Rubber" from the engineering data. But that result didn't come out, right. So I used...

Here's what I drew when using the 'old fashioned way'.http://files.engineering.com/getfile.aspx?folder=2b3dec50-1af7-436e-9058-b311b9090c2b&file=Top_Bracket3.ipt

Here is the file as attached. I'm trying to make the fold along the line but using "Fold" will automatically fold the circle as well. The Inventor tutorials/help files, though fancy, aren't very...

I am using Inventor Professional 2011. How would I make a sheet metal fold that doesn't fold everything along that line? Something like creating a limit to where the fold will affect.

I know that ANSYS 13 is coming out soon, but could I know what major changes are from 12 to 12.1 that could affect CFD analysis? At uni we use 12.1 and at work 12. I know that projects saved in 12.1 can't be opened in 12, but that's far as my knowledge goes.

Belay that. It turns out that after you click generate to make the main cylinder, any 'new' sketches don't count as 'new' so it's including the old sketch with the cut. I've just had to click the "New Sketch" button. Thanks for the help, MrMyers. Issues solved.

Yeah.. I do that. but it just extrudes the central hole all the way. Here's the result that I keep getting in the link. Either it leaves the outer part alone, or it takes out the outer part. But the inner part is always extruded through all...

I come from Pro/E and Solidworks usage. And making an extrusion cut is easy but I just can't find this option in DesignModeler 12.1. For example, I want to cut a cylindrical hole halfway through a bigger cylinder. I draw the bigger cylinder then click generate. Then when I try to draw another...