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The TRNDll is the compiled TRNSYS code; there is nothing that can be
looked at in it. IISiBat is the Trnsys15 name of the graphical
interface. If you are receiving only a few warnings during your simulation about convergence problems then I would not worry about them. If you are receiving a lot of non convergence warnings then you need to determine the cause of them. If enough warnings are produced then the simulation will end with an error. The two most common problems leading to nonconvergence are time steps that are too long and/or insufficient thermal capacitance in the system. Your time step should probably be on the order of 5 minutes and you should make sure that you are modeling sufficient piping and thermal storage tanks so that none of the pumps in your system can pump more liquid through a loop in one time step than can be stored in the loop. Kind regards, David On 7/17/2013 08:34, Hadi Ebrahimi
wrote:
-- *************************** David BRADLEY Principal Thermal Energy Systems Specialists, LLC 22 North Carroll Street - suite 370 Madison, WI 53703 USA P:+1.608.274.2577 F:+1.608.278.1475 d.bradley@tess-inc.com http://www.tess-inc.com http://www.trnsys.com |