[TRNSYS-users] Problems in using the Creating Equation

[h8304506 at hkusua.hku.hk]

Hello, Edward.

I have tried and it occasionally works.  Anyway, thanks for your reply.

Best Regards
Lee Chun Kwong

Quoting Edward Halawa <Edward.Halawa at unisa.edu.au>:

> 
> Hi Lee,
> 
>  ***** ERROR *****        TRNSYS ERROR #  98
>  UNRECOGNIZED VARIABLE NAME OR BAD DATA CARD
>  TIN
> 
>  
> >I am using some intermediate valuables to generate Tin
> >(Tin=To+Ta*sin(360*time/period+phase)).  There is no input for the
> "Equa".  >All the intermediate valuables are set to some values in the
> "Equa".  Is >there anything wrong?  Please advise.  Thank you!
> 
> This also sometimes happens in my program. In your case, 
> 
> Tin=To+Ta*sin(360*time/period+phase)),
> 
> (1) make sure: all the quaintities in the right side of the equation
> (i.e. To, Ta etc.) appear before Tin. If To, for example, appears after
> Tin, move (drag) it to a line before Tin. And if Ta = f(To), make sure
> Ta appears after To, etc.
> (2) if a quantity (say "phase" in your equation) is defined in another
> component, make sure this quantity was defined before it is connected to
> Tin. The best way to check this is look at the deck file, with .dck
> extension (create using: "Create Input file in IISiBat), and then open
> thid deck file using TRNSHELL program.
> 
> I cannot guarantee that the above works but it's worth trying.
> 
> Regards,
> 
> 
> Edward Halawa
> 
> 
>