/**************************************************/
/*?User?defined?function?source?code?for?computing*/
/*?condensation?rate?of?water?vapor?at?a?surface??*/
/*?using?surface?reaction?model???????????????????*/
/*?B.?Bell?4/5/00?????????????????????????????????*/
/*?Revision?11/2004???????????????????????????????*/
/*?Add?underrelaxation?to?cold?wall?species?b.c.??*/
/*?Revision?9/2003????????????????????????????????*/
/*?Remove?extra?code??????????????????????????????*/
/*?Replace?text?file?with?scheme?variable?for?????*/
/*?source?term?underrelaxation?factor?????????????*/
/*?Revision?9/2003????????????????????????????????*/
/*?Fixed?problem?with?if-then?condition?in????????*/
/*?mixture_condensation?macro?????????????????????*/
/*????????????????????????????????????????????????*/
/*?Revision?01/2003???????????????????????????????*/
/*?Modifying?to?be?consistent?for?turbulent?flow??*/
/*?as?well?as?laminar?flow????????????????????????*/
/*????????????????????????????????????????????????*/
/*?Revision?12/2001???????????????????????????????*/
/*?The?revisions?of?9/2001?basically?consisted?of?*/
/*?replacing?the?surface?reaction?model?with?a????*/
/*?source?term.??The?idea?was?to?be?able?to?ensure*/
/*?control?over?the?wall?mass?fraction.??In?doing?*/
/*?so?it?is?necessary?to?modify?the?source?terms?*/
/*?for?the?species?equation?and?the?continuity????*/
/*?equation?so?that?when?the?diffusive?flux?of????*/
/*?species?across?the?boundary?is?accounted?for???*/
/*?the?net?amount?of?mass?removed?from?the?system?*/
/*?will?be?the?same?as?the?net?amount?of?h2o??????*/
/*?removed?from?the?system.???????????????????????*/
/*?This?was?not?implemented?properly?in?the?pre-??*/
/*?vious?revision?so?this?is?intended?to?implement*/
/*?the?model?properly?????????????????????????????*/
/*????????????????????????????????????????????????*/
/*?Revision?9/2001????????????????????????????????*/
/*?Investigating?effect?of?assumptions?on?mass????*/
/*?flux???????????????????????????????????????????*/
/*????????????????????????????????????????????????*/
/*?Revision?12/21/00??????????????????????????????*/
/*????????????????????????????????????????????????*/
/*?For?post-processing?heat?flux?is?needed?at?wall*/
/*?There?will?be?a?define?on?demand?macro?written?*/
/*?where?the?heat?flux?at?the?wall?is?stored?in???*/
/*?the?face?value?of?a?user-defined?memory?loc.???*/
/*????????????????????????????????????????????????*/
/*?Revision?5/12/00???????????????????????????????*/
/*????????????????????????????????????????????????*/
/*?This?revision?uses?User-defined?scalars?to?????*/
/*?store?the?condensation?rate?information?and????*/
/*?to?compute?the?latent?heat?transfer?rate?at????*/
/*?the?cold?surface???????????????????????????????*/
/*????????????????????????????????????????????????*/
/*?Revised?4/14/00????????????????????????????????*/
/*????????????????????????????????????????????????*/
/*?Added?adjust?function?“l(fā)atent_heat“?which