Merge pull request #1174 from NREL/kiva-error-bugfix

Kiva error bugfix

Author: shorowit

Changelog.md

@@ -33,6 +33,7 @@ __Bugfixes__
 - Fixes zero energy use for a ventilation fan w/ non-zero fan power and zero airflow rate.
 - Fixes excessive heat transfer when foundation wall interior insulation does not start from the top of the wall.
 - Fixes how relative paths are treated when using an OpenStudio Workflow.
+- Fixes possible simulation error if a slab has an ExposedPerimeter near zero.
 - BuildResidentialHPXML measure:
   - Fixes aspect ratio convention for single-family attached and multifamily dwelling units.
 

HPXMLtoOpenStudio/measure.rb

@@ -909,6 +909,8 @@ def self.add_foundation_wall(runner, model, spaces, foundation_wall, slab_frac,
       length *= total_slab_exp_perim / total_fnd_wall_length
     end
 
+    return if length < 0.1 # Avoid Kiva error if exposed wall length is too small
+
     if gross_area > net_area
       # Create a "notch" in the wall to account for the subsurfaces. This ensures that
       # we preserve the appropriate wall height, length, and area for Kiva.

HPXMLtoOpenStudio/measure.xml

@@ -3,8 +3,8 @@
   <schema_version>3.0</schema_version>
   <name>hpxm_lto_openstudio</name>
   <uid>b1543b30-9465-45ff-ba04-1d1f85e763bc</uid>
-  <version_id>ab468f1d-7990-4d13-b015-087d7a381c57</version_id>
-  <version_modified>20220906T162356Z</version_modified>
+  <version_id>22a4382c-e1f6-4fe6-aa03-b7e47e4194e1</version_id>
+  <version_modified>20220912T230453Z</version_modified>
   <xml_checksum>D8922A73</xml_checksum>
   <class_name>HPXMLtoOpenStudio</class_name>
   <display_name>HPXML to OpenStudio Translator</display_name>
@@ -541,17 +541,6 @@
       <usage_type>resource</usage_type>
       <checksum>4D0D827D</checksum>
     </file>
-    <file>
-      <version>
-        <software_program>OpenStudio</software_program>
-        <identifier>3.3.0</identifier>
-        <min_compatible>3.3.0</min_compatible>
-      </version>
-      <filename>measure.rb</filename>
-      <filetype>rb</filetype>
-      <usage_type>script</usage_type>
-      <checksum>2B1174C8</checksum>
-    </file>
     <file>
       <filename>hpxml_schematron/EPvalidator.xml</filename>
       <filetype>xml</filetype>
@@ -594,5 +583,16 @@
       <usage_type>resource</usage_type>
       <checksum>5694E794</checksum>
     </file>
+    <file>
+      <version>
+        <software_program>OpenStudio</software_program>
+        <identifier>3.3.0</identifier>
+        <min_compatible>3.3.0</min_compatible>
+      </version>
+      <filename>measure.rb</filename>
+      <filetype>rb</filetype>
+      <usage_type>script</usage_type>
+      <checksum>4F98F3F7</checksum>
+    </file>
   </files>
 </measure>