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Hi gerhardl, thanks for replying ! Desired maintenance free operation time would something around 120 days of non-continuous operation. Let's assume for now the max depth is 20m, and the shaft has ~Ø45mm. I'm not exactly sure what you mean by 'seal the whole shaft'. As I've explained, we'll...

Hello all, I'm trying to design the casing for a submersible motor, which will then power a submersible slurry pump. My concern right now is with sealing the casing with a IP68 rating. For the endbells sealing I believe some well dimensioned o-rings should do the trick. Now regarding the...

That's just perfect, thank you !

Hey all, I'm trying to draw this helical zigzag wire that appears in the picture, but I can't figure out the best way to go about it. I've planned to make it a sweep, so I projected the flat pattern in a cylindrical face and the used the helix pattern, but it came out weird because I had...

Found it. For future reference, it can be added through Edit Solution > Bulk Data> DOF Set> Fictitious Support(SUPORT) .

I'm trying to do a simple example analysis with Inertia Relief in NX Nastran to better understand how it works. Imagine an axle on 'y' axis supported by one side and torque being applied on the same side. The following doubts arised in my mind: Considering a 1D model of the shaft, could I...

How can I add a SUPORT card to my analysis with SOL101 ? The only way I managed to add a SUPORT card at all was using the SOL103 - Response Dynamics, with a "Fictitious Support" simulation object.

Sure, just use an Input Box. I've added it to the beginning of your code: Sub Calc_All_Trials() Dim ws_name As String ws_name = InputBox("Type the worksheet's name: ") ' ' Dim rngTrial As Range Dim rngLoads As Range Dim i As Integer Set rngTrial = Sheets("Loads").Range("E3:L3") Set...

Thanks karachun, that's what I was trying to do. I guess the easiest path in NX 11 to chop the geometry would be to create sketches in the "Modeling" application and then apply "Divide face" with the sketch to obtain multiple faces. Then, and only then, you would have some kind of boundary in...

Imagine something like a plate with multiple holes in it. Looking at the image below, if I use the "Mapped Hole" mesh control, I get something like the mesh on the left. What I'm trying to get is the mesh on the right. : (source: http://feaforall.com/map-mesh-manually-plate-2-holes/) When you...

Well, I guess there's no running from it then. Thanks !

I'm having a hard time trying to refine 2d meshes in NX 11 Pre/Post (formerly known as Advanced Simulation). I'd like to know, what is the ideal workflow for this kind of meshes ? Most of the times when I cannot get the mesh I want with typical FEM tools, I end up having to split the polygon...