SurfaceProperty:OtherSideCoefficients
This may allow you to specify all the special wall and roof conditions surrounding your zone. The values are entered as a schedule.
Ground temperature of 14°C is too low as a general number.
When the ground is snow and ice covered, it is only cold down to about 1m depth along the basement wall. Surface with salt will be colder. However, it will not be at the basement wall.
The ground below a basement should be higher than 18°C..
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: jeannieboef@xxxxxxxxx
Date: Fri, 1 Apr 2011 20:46:25 +0000
Subject: [EnergyPlus_Support] Possible causes
I'm simulation a summer week and have cooling set point not met problems. As far as I can tell there's something wrong with my building materials?
** Warning ** Inside surface heat balance did not converge with Max Temp Difference [C] =2.301E-003 vs Max Allowed Temp Diff [C] =2.000E-003
** ~~~ ** During Sizing, Environment=SUMMER DESIGN DAY IN KITA, at Simulation time=.....................
..
time=04/01 06:40 - 06:45
time=04/01 06:50 - 07:00
time=04/01 07:00 - 07:10
time=04/01 07:10 - 07:15
time=04/01 07:20 - 07:25
..
..
..
etc. last reported error is at 09:00-09:05
This causes slightly incorrect sizing and later
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118420 AHU, at KITA, 07/03 16:00 - 16:02
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118434 AHU, at KITA, 07/04 11:56 - 11:58
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118145 AHU, at KITA, 07/04 12:32 - 12:34
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118340 AHU, at KITA, 07/04 14:20 - 14:22
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118145 AHU, at KITA, 07/04 14:22 - 14:24
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118288 AHU, at KITA, 07/04 14:34 - 14:36
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118371 AHU, at KITA, 07/04 14:34 - 14:36
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118145 AHU, at KITA, 07/04 14:36 - 14:38
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118348 AHU, at KITA, 07/04 14:36 - 14:38
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118371 AHU, at KITA, 07/04 14:50 - 14:55
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118145 AHU, at KITA, 07/04 15:03 - 15:07
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118145 AHU, at KITA, 07/04 15:20 - 15:22
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118443 AHU, at KITA, 07/04 15:26 - 15:28
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118371 AHU, at KITA, 07/04 15:28 - 15:30
What should I be looking for? Can I tell on which surface this is happening and how?
I have set the ground temperature to 14 degrees, because by building slab is the roof of a large underground parking (no contact to ground), but this is not changing during the summer months. Is there a way to change this for the summer months...EMS maybe?
** Warning ** Inside surface heat balance did not converge with Max Temp Difference [C] =2.301E-003 vs Max Allowed Temp Diff [C] =2.000E-003
** ~~~ ** During Sizing, Environment=SUMMER DESIGN DAY IN KITA, at Simulation time=.....................
..
time=04/01 06:40 - 06:45
time=04/01 06:50 - 07:00
time=04/01 07:00 - 07:10
time=04/01 07:10 - 07:15
time=04/01 07:20 - 07:25
..
..
..
etc. last reported error is at 09:00-09:05
This causes slightly incorrect sizing and later
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118420 AHU, at KITA, 07/03 16:00 - 16:02
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118434 AHU, at KITA, 07/04 11:56 - 11:58
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118145 AHU, at KITA, 07/04 12:32 - 12:34
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118340 AHU, at KITA, 07/04 14:20 - 14:22
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118145 AHU, at KITA, 07/04 14:22 - 14:24
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118288 AHU, at KITA, 07/04 14:34 - 14:36
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118371 AHU, at KITA, 07/04 14:34 - 14:36
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118145 AHU, at KITA, 07/04 14:36 - 14:38
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118348 AHU, at KITA, 07/04 14:36 - 14:38
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118371 AHU, at KITA, 07/04 14:50 - 14:55
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118145 AHU, at KITA, 07/04 15:03 - 15:07
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118145 AHU, at KITA, 07/04 15:20 - 15:22
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118443 AHU, at KITA, 07/04 15:26 - 15:28
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for 118371 AHU, at KITA, 07/04 15:28 - 15:30
What should I be looking for? Can I tell on which surface this is happening and how?
I have set the ground temperature to 14 degrees, because by building slab is the roof of a large underground parking (no contact to ground), but this is not changing during the summer months. Is there a way to change this for the summer months...EMS maybe?
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