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<DIV dir=ltr align=left><SPAN class=474000820-17032010><FONT face=Arial
color=#0000ff size=2>Scott,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=474000820-17032010><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=474000820-17032010><FONT face=Arial
color=#0000ff size=2>Thanks for the explanation, at least now I know I shouldn't
bother banging my head against the wall on this one. Does anyone have any
tips for changing infiltration CFM/SF of exterior wall without going through
each zone and manually calculating it?</FONT></SPAN></DIV>
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<P><SPAN lang=en-us><FONT face=Arial></FONT></SPAN> <BR><SPAN
lang=en-us><B><FONT face=Arial color=#0000ff size=2>John Grando</FONT><FONT
face=Arial size=2> </FONT><FONT face=Arial color=#0000ff size=2>LEED
AP</FONT><FONT face=Arial size=2>| </FONT><FONT face=Arial color=#808080
size=2>Mechanical Engineer</FONT></B></SPAN><SPAN
lang=en-us><BR></SPAN><BR><SPAN lang=en-us><FONT face=Arial> </FONT></SPAN>
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<FONT face=Tahoma size=2><B>From:</B> Scott Criswell
[mailto:scott.criswell@doe2.com] <BR><B>Sent:</B> Wednesday, March 17, 2010 4:01
PM<BR><B>To:</B> Grando, John<BR><B>Cc:</B>
equest-users@lists.onebuilding.org<BR><B>Subject:</B> Re: [Equest-users]
External Wall Calculation<BR></FONT><BR></DIV>
<DIV></DIV>The DOE-2 BDL expression module does not allow parent components to
reference keyword values of their child components. Back when the
expression module was developed, this limitation was put in place to minimize
changes required to the BDL file reading & defaulting mechanism and also to
simplify expression dependencies evaluation and minimize the likelihood of
circularities defined when two components can each reference data of the
other.<BR>The ruleset processing mechanism that provides the foundation of the
compliance analysis and QC reporting features of eQUEST does include the ability
to reference components in both directions (children referencing parents as well
as parents referencing children), but to date this capability has not been
extended for use in performing parametric runs or facilitating semi-automated
edits to building models.<BR><BR>- Scott<BR><BR><BR>Grando, John wrote:
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<DIV>Hello All,</DIV>
<DIV> </DIV>
<DIV>Does anyone know of a way I can reference a child code word? My
specific situation is that I want my infiltration to be controlled via a
global parameter that represents the infiltration in terms of CFM/SF of
Exterior wall. I want to be able to parametrically change this value so
I have to do it in DD Edit. The problem is that infiltration is a zone
keyword that is the parent of the exterior wall. It wouldn't be an issue
the other way around because I could just use the #P("keyword"). Any
ideas on how I can reference the child using DOE2 language?</DIV>
<DIV> </DIV>
<DIV><FONT size=3></FONT> </DIV>
<DIV style="MARGIN-TOP: 5pt; MARGIN-BOTTOM: 5pt"><FONT color=#0000ff><B>John
Grando</B><FONT color=#000000><B> </B></FONT><B>LEED AP</B><FONT
color=#000000><B>| </B></FONT><FONT color=#808080><B>Mechanical
Engineer<BR></B></FONT></FONT></DIV>
<DIV><FONT size=3></FONT> </DIV>
<DIV><FONT size=3></FONT> </DIV>
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