[TRNSYS-users] view factor matrix calculation routine

hotline hotline at Transsolar.com
Wed Jun 5 02:47:17 PDT 2013

Dear Stefano,

It is hard to say, what caused the error. Are the points for "geo-info" directly on the wall? Can you send me your project? Than we can have a look on it.

Best regards

Daniel Pianka
TRANSSOLAR Software Team

Transsolar Energietechnik GmbH
Curiestraße 2 | 70563 Stuttgart

Email:    hotline at transsolar.com<mailto:hotline at transsolar.com>
Transsolar: KlimaEngineering- Technologien für energieeffizientes Bauen und Nutzerkomfort in Gebäuden
Stuttgart - München - New York - Paris
Geschäftsführer :Diplom-Ingenieur Matthias Schuler, Diplom-Ingenieur Thomas Auer, Diplom-Physiker Stefan Holst, Diplom-Betriebswirt Dieter Schnelle
Eingetragen beim Amtsgericht Stuttgart HRB 23347,
Steuernummer: 99073/00911,USt-IdNr.: DE 152272639

Von: trnsys-users-bounces at cae.wisc.edu [mailto:trnsys-users-bounces at cae.wisc.edu] Im Auftrag von Avesani Stefano
Gesendet: Mittwoch, 5. Juni 2013 10:56
An: trnsys-users at cae.wisc.edu
Betreff: [TRNSYS-users] view factor matrix calculation routine

Hi all,

I am setting a very simple (a tetrahedral) monozone. Just 1 glazed external surface (the façade). I use detailed radiation models as I want to assess the PMV values in 2 reference comfort points: one close to the external façade and one to the internal wall.

The view factor calculation works when I specify the geometry of the comfort reference points in the "geo-info" TRNbuild window. When I add as b17 output the Ntype 120, 122, 124 and 126, the view factor calculation routine never stops and I have to kill manually the viewfactor.exe process. No vfm file is created. Moreover, I noticed the a file "Facadffr" with no extension is created in the folder at one level above.

Any idea? Is that a bug? Do I do a mistake in the settings?

Thanks a lot!

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