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Eplus unusual warning

asked 2016-05-06 10:21:00 -0500

luis melo
225 ●2 ●5

updated 2016-05-09 03:59:19 -0500

Julien Marrec

29032 ●85 ●74 http://www.effibem.com/

I was trying to simulate in Eplus a double skin façade with four vertical thermal zones (subzones) when I got this Warning: "Inside surface heat balance did not converge with Max Temp Difference [C] =2.026E-003 vs Max Allowed Temp Diff [C] =2.000E-003"

What's the correlation with Heat balance algorithm? Can anyone help me?

Conduction transfer

Thank You

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answered 2016-05-07 06:30:14 -0500

gaofeng
225 ●3

In my view, you can try to reset the maximum surface convection heat transfer coefficient value to the default value 1000. I'm not sure whether this method can solve your problem, just a suggestion.

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It was my first option, and doesn't work.

Thank you!!

luis melo ( 2016-05-09 03:53:18 -0500 )edit

The problem is solved. I changed the numbers of timesteps from 6 to 12. Lower number of time steps leds to higher delta T between the timesteps (higher than Temperature Convergence Tolerance).

luis melo ( 2016-05-18 04:02:42 -0500 )edit

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Asked: 2016-05-06 10:21:00 -0500

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Last updated: May 09 '16

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