From: Jeff Thornton via TRNSYS-users <trnsys-users@lists.onebuilding.org>To: trnsys-users@lists.onebuilding.orgCc:Bcc:Date: Wed, 07 Jun 2017 16:09:54 -0500Subject: Re: [TRNSYS-users] How to skip timesteps if they don't reach convergence?TRNSYS will iterate until the iteration limit is reached, write a warning message to the list file, and then continue on to the next timestep. When you say TRNEXE gets "stuck" what do you mean?
Jeff
---Jeff ThorntonPresident - TESS LLC22 N. Carroll Street, Madison WI USA 53703Office: (608) 274-2577 Fax: (608) 278-1475E-Mail: thornton@tess-inc.comOn 06/07/2017 3:30 pm, Javier Vega via TRNSYS-users wrote:
Hello TRNSYS users,I've noticed that some simulations finish with messages that say that a certain component (or components) doesn't reach convergence at certain timesteps. The message is the following:" The inputs to the listed units have not converged at this timestep. The values at the last iteration will be used and the simulation will proceed."Right now I'm doing a simulation with 5 min timestep that works well but gets stuck at hour 150, for example. If I change the simulation start time everytime this happens so the simulation can continue, it keeps calculating until it gets stuck again 200 hours later.I assume the TRNEXE gets stuck because of non convergence. Since the non converged timesteps are neglectable, how can I set TRNSYS to automatically ignore this timesteps and set the input/ouputs of the problematic units to the previous ones?Is there a chapter in the TRNSYS Documentation that I should check?Thanks in advance,Javier Vega_______________________________________________ TRNSYS-users mailing list
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