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Re: export to Ansys

  • To: mathgroup at smc.vnet.net
  • Subject: [mg89937] Re: export to Ansys
  • From: Oliver Ruebenkoenig <ruebenko at uni-freiburg.de>
  • Date: Wed, 25 Jun 2008 06:23:02 -0400 (EDT)
  • References: <g2th7h$7ll$1@smc.vnet.net> <g2tj8g$8i1$1@smc.vnet.net>

On Tue, 24 Jun 2008, Narasimham wrote:

> On Jun 13, 3:47 pm, Oliver Ruebenkoenig <ruebe... at uni-freiburg.de>
> wrote:
>> Hi,
>>
>> On Fri, 13 Jun 2008, Narasimham wrote:
>
>>> How to export x,y,z points  made by Parametric Plot3D[f(u,v),
>>> {u,umin,umax},},{v,vmin,vmax} ] to FEA Ansys? Also how to make a
>>> suitable (x,y,z)Table? TIA
>>
>> We have only done ANSYS _import_ into Mathematica ( why would want
>> anything else ;-) )
>>
>> You can look at the code in some of the import packages you find
>
> here:http://www.imtek.uni-freiburg.de/simulation/mathematica/IMSweb/
> imsTOC...
>>
>> possibly you can deduce how the ANSYS file format is structured.
>
>> Oliver Ruebenkoenig, <ruebenko AT uni-freiburg.de>
>
> Hi Oliver,
>
> t = 1.4; al = Pi/12; umin = 1; umax = 13; vmin = 3; vmax = 5;rho =
> Sqrt[u^2 + v^2]; th[u_, v_, gt_] :=  ArcTan[u Cos[gt] - v Sin[gt], u
> Sin[gt] + v Cos[gt]];
>
> RectStrpCone =   rho*{Sin[al] Cos[th[u, v, t]/Sin[al]], Sin[al]
> Sin[th[u, v, t]/Sin[al]], Cos[al]} ;
>
> ParametricPlot3D[RectStrpCone, {u, umin, umax}, {v, vmin, vmax},
> PlotPoints -> {31, 6}, Mesh -> All, MaxRecursion -> 0]
>
> E.g., I define curvilinear coordinated parametric points as above in
> Mathematica and after deciding to accept it for further Ansys
> geometric Modeling I wish to transfer nodes, keypoints and shell
> elements through a Table to Ansys with Mesh Data.
>
> And :) of course, after a common coordinate system is defined,
> directly Cutting and Pasting the Mathematica 3-D patch image directly
> into Ansys screen... by right click or GUI.. that is my final Graphics
> Import (Important) dream ! Anyhow Mathematica can now itself identify
> tangents, normals and binormals, useful for defining of load
> application along correct directions, to arrest not required DOFs etc.
>
> Narasimham
>
>
>

Hi Narasimham,

I have never done export to ANSYS and I do not know the specifications of 
the file format. What I may offer is the the ANSYS _import_ in IMS - I 
think it _may_ help to understand the file format needed by ANSYS.

Oliver

Oliver Ruebenkoenig, <ruebenko AT uni-freiburg.de>


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