[TRNSYS-users] TR: division between cero

Manuel Daconceicao daconceicao at matriciel.be
Fri Dec 19 01:33:27 PST 2008


 

Hello Ana

 

Maybe you can use an equation box and make these equation:

 

Beam_rad/(Global_rad+0.000001)

 

So you don't have divison by 0 and if global_rad = 0 it gives you a great number like 10000000000 so you know that's infinity.

 

Good work

 

Manuel 

 

MATRIciel sa

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daconceicao at matriciel.be <mailto:daconceicao at matriciel.be> 
http://www.matriciel.be <http://www.matriciel.be/> 

P  Please consider your environmental responsibility before printing this e-mail

 

 

De : Ana Rodríguez Iglesias [mailto:rodrigueziana at uniovi.es] 
Envoyé : vendredi 19 décembre 2008 9:11
À : trnsys-users at cae.wisc.edu
Objet : [TRNSYS-users] division between cero

 

Hello all!!

 

I´m new with Trnsys and I need some help.

I need to make a division between beam radiation and global radiation. And, of course, at night these radiations are negative or zero, so trnsys give me wrong.

Can you help me to know the way to find the answer for this?

 

Thank you so much!!

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