[EnergyPlus_Support] Slab pre-processor warning

[Niraj Poudel <nirajpdl@xxxxxxxxx>]

Dear all,

I tried to invoke the slab pre-processor within the .IDF file. I went over the auxiliary programs document and also over the 52ZoneAirCooledWithSlab.idf from the example file. However, when I try to run test.idf (attached to this email), I keep getting these warnings.

Program Version,EnergyPlus-64 7.0.0.036, 09/05/2012 10:40 AM,IDD_Version 7.0.0.036

   ** Warning ** Output:PreprocessorMessage="GroundTempCalc - Slab" has the following Warning condition:

   **   ~~~   ** Slab thickness [0.122 m] reset to 0.122 m  for computational stability.

   ** Severe  ** Output:PreprocessorMessage="GroundTempCalc - Slab" has the following Severe condition:

   **   ~~~   ** The calculated ground temperature exceeds -100 C [-204.07 C]

   ** Severe  ** Output:PreprocessorMessage="GroundTempCalc - Slab" has the following Fatal condition:

   **   ~~~   ** Program terminates due to preceding condition.

   **  Fatal  ** Preprocessor condition(s) cause termination.

   ...Summary of Errors that led to program termination:

   ..... Reference severe error count=2

   ..... Last severe error=Output:PreprocessorMessage="GroundTempCalc - Slab" has the following Fatal condition:

   ************* Warning:  Node connection errors not checked - most system input has not been read (see previous warning).

   ************* Fatal error -- final processing.  Program exited before simulations began.  See previous error messages.

   ************* EnergyPlus Warmup Error Summary. During Warmup: 0 Warning; 0 Severe Errors.

   ************* EnergyPlus Sizing Error Summary. During Sizing: 0 Warning; 0 Severe Errors.

   ************* EnergyPlus Terminated--Fatal Error Detected. 1 Warning; 2 Severe Errors; Elapsed Time=00hr 00min  0.67sec

This happens with weatherfiles from Atlanta, Greenville, Chicago, WashingtonDulles etc. I am not quite sure what I am doing wrong. Could someone, with experience using the slab program (within the .IDF) point me in the right direction.

I look forward to hearing from you at your earliest of convenience.

Sincerely yours'

Niraj Poudel

Clemson University

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Attachment not found:
d:\eudora\attach\Test8.idf