Re: [Fwd: RE: About: : geometry import from cad file]

  Hi Anna and Chris,
  thank you for the quick and exhaustive reply.

  Cheers.
  Michele

On Wed, 27 Jan 2010, Anna Ferrari wrote:

>
> Hi Michele,
>
> you cannot import a geometry .stp CAD file in FLUKA.
> I forward to you the answer of Chris (thanks to him), that clarifies to
> you the reason because this is not a reasonable option in SimpleGeo
> (and, in general, for particle transport calculations).
>
> cheers,
> Anna
>
> ---------------------------- Original Message ----------------------------
> Subject: RE: geometry import from cad file
> From: "Chris Theis" <Christian.Theis_at_cern.ch>
> Date: Wed, January 27, 2010 5:44 pm
>
>
>
> I'm afraid that import of step files is not an option because they tend
> to describe the geometry in a way which is not directly compatible with
> combinatorial solid geometry. Often it's a boundary representation which
> describes volumetric bodies by means of faces and FLUKA does not provide
> any means of tracking in such descriptions. One should also keep in mind
> that even if this would be possible, from a technical point of view,
> there are issues with accuracy etc. with respect to the tracking. This
> is the reason why CAD import is not a standard option for particle
> transport calculations.
>
> Hope that helps
> Chris
>
> ------------------------------------------------------------------------
> Chris Theis
> CERN/DGS-RP - European Organization for Nuclear Research
> 1211 Geneva 23, Switzerland
> Phone: +41 22 767 8069 Office: 892-2A-015
> e-mail: Christian.Theis@cern.ch www: http://www.cern.ch/theis
> ------------------------------------------------------------------------
>
>
>
>
>
> ---------------------------- Original Message
> -------------------------
>> ---
>> Subject: geometry import from cad file
>> From: "fabiemme_at_libero.it" <fabiemme_at_libero.it>
>> Date: Wed, January 27, 2010 2:42 pm
>> To: fluka-discuss_at_fluka.org
>>
> -----------------------------------------------------------------------
>> ---
>>
>> Hi everybody,
>> is there any way to import directly a step (.stp extension) cad file
>> in fluka?
>> With simplegeo maybe?
>>
>> Michele Fabi
>>
>>
>
>
>
>
Received on Thu Jan 28 2010 - 16:39:22 CET