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[bk1791]

hi

iam doing exergy analysis in hysys of a material stream for that i need to specify user variables i wnated help in this regard i have find the code for the ambient temperature which is 

 

sub variable changed()

on error goto errorhandler

dim MS as streams

dim ST as process stream

dim x as internalvariablewrapper

dim TO as double

TO=activevariablewrapper.variable.getvalue()

set MS=activeobject.flowsheet.materialstreams

for each ST in MS

    set= ST.getuservariable("amb temp")

    X.variable.setvalue(TO)

next ST

errorhandler:

end sub

 

for other variables the author says you only need to change user name in the code of ambient temp[erature so if iam writing this code for ambient pressure so what changes should i have to made