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1-1 ANSYS, Inc. Proprietary
© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009Inventory $002#02
ntroduction to FLUENT
for CAT A V5
Defining the Geometry
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1-2 ANSYS, Inc. Proprietary
© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
Agenda
• FLUENT for CATIA Workbench
•
FLUENT for CATIA Specification Tree• Defining the Geometry
• Etracting the F!o" #o!$me
• Working "ith Symmetric Geometry
• Appendi
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1-% ANSYS, Inc. Proprietary
© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
FLUENT for CATIA Workbench
• FLUENT for CATIA Workbench can be!a$nched from the Ana!y%i% andSim$!ation gro$p in the STA&T men$'
• FLUENT for CATIA Workbenche%tab!i%he% a ne" gro$p in the%pecification tree ca!!ed(art)*F!$ent(rod$ct'
– The gro$p copie% of the origina! CATIA
body part% "itho$t any modification' – It i% e%tab!i%hed "ith a%%ociati+e !ink% to
the origina! body part'
– ,ence a!! the ba%e-!e+e! parametric anda%%ociati+e capabi!itie% of CATIA and it%partner app!ication% are a+ai!ab!e to theFLUENT for CATIA $%er'
– If the $nder!ying geometry i% modified.the CFD mode! "i!! be $pdated
a$tomatica!!y'• /aintaining the princip!e of (L/
0prod$ct !ifecyc!e management1 i% acritica! de%ign feat$re for FLUENT forCATIA'
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1-& ANSYS, Inc. Proprietary
© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
FLUENT for CATIA Workbench 0cont2d1
• A +i%$a!i3ation of the
FLUENT for CATIA
"orkbench concept
o$t!ined in the pre+io$%
%!ide4 maintaining the (L/
princip!e• (art)*F!$ent(art ha%
associative links to the
origina! body part. and
e+erything i% done "itho$t
modifying the origina!
CATIA part
After !a$nching the FLUENT
for CATIA Workbenchigina! CATIA (art
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1-' ANSYS, Inc. Proprietary
© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
FLUENT for CATIA Specification Tree
• A!! men$% are contained in the FLUENTfor CATIA %pecification tree' U%er% ha+eacce%% to a!! the corre%ponding dia!ogboe% 0do$b!e c!ick1
• For eamp!e. $nder Finite E!ement /ode!.the fo!!o"ing option% are a+ai!ab!e4
– Node% and E!ement%4 acce%% to
me%h detai!% – (ropertie%4 define the f!$id6%o!id
type% for me%h part% 0for eamp!e.f!$id. %o!id or poro$% 3one%1
– /ateria!%4 define6edit materia!propertie%
– En+ironment4 define f!o" phy%ic%.geometry and me%h parameter%
– Gro$p4 modify bo$ndary type%
• Contet$a! men$ i% a+ai!ab!e by rightc!icking on any of the item% in the%pecification tree4 thi% men$ contain%command% a+ai!ab!e to the %et
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Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
Defining the Geometry• F!o" +o!$me etraction from part%
– (art fi!e "ith a %ing!e 7ody
– (art fi!e "ith /$!tip!e 7odie%• Thi% "i!! be treated %ame a% an
a%%emb!y
• F!o" +o!$me etraction froma%%emb!y
– /ake %$re that a!! the part% are
a%%emb!ed "ith proper contactcon%traint%
• The 3ero-thickne%% "a!! i% nota!!o"ed for the f!o" +o!$meetraction
• FLUENT for CATIA #8 "orkbenchgenerate% FLUENT part% "itho$t
modifying the origina! CATIA part%.hence FLUENT for CATIA adhere%to the (L/ 0prod$ct !ifecyc!emanagement1 princip!e
8/17/2019 FfC v5.0 03 Defining Geometry
7/151-# ANSYS, Inc. Proprietary
© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
Defining the Geometry 0cont2d1• CAD geometrie% genera!!y ha+e %o!idpart% on!y' Comp$tationa! f!$iddynamic% 0CFD1 need% the 9+oid%:
thro$gh "hich the f!$id pa%%e%
• Symmetry4 if the geometry can be
c$t into t"o part% %$ch that each
part i% a mirror image of the other'
That c$tting p!ane i% the %ymmetry
p!ane• If the CAD geometry i% on!y the f!o"
+o!$me. %e!ect f!o" +o!$me in the
Geometry Definition !i%t. other"i%e
$%e %o!id mode!
• F!o" +o!$me ca%e4
– Face% %e!ection mode In!et ando$t!et face% can be %e!ected
mo+ing the c$r%or to high!ight and
to c!ick on the re%pecti+e face
Left c!ick again on a %e!ectedentity to $n%e!ect 0remo+e1 it
&ight c!ick to &emo+e a!!
8/17/2019 FfC v5.0 03 Defining Geometry
8/151-) ANSYS, Inc. Proprietary
© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
Etracting the F!o" #o!$me• So!id mode! ca%e4
– Face %e!ection mode4 In!et ando$t!et face% can be %e!ected'
– Edge %e!ection mode4 In %ome
ca%e% face %e!ection mode may
re%$!t in incorrect f!o"
+o!$me%. then edge %e!ection
%ho$!d be $%ed'• Dry reference %$rface4 a %o!id
%$rface $%ed a% a reference for
f!o" +o!$me etraction. "hich
not in contact "ith f!$id'
– For eamp!e. the o$ter
%$rface of a pipe i% a dry
reference %$rface'
• The edge% %e!ected for the
re%pecti+e in!et and o$t!et
%$rface% m$%t form a c!o%ed
!oop'
8/17/2019 FfC v5.0 03 Defining Geometry
9/151-9 ANSYS, Inc. Proprietary
© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
Etracting the F!o" #o!$me 0cont2d1• Edge %e!ection mode 0cont2d14
– (ropagation type4
• No propagation4 When the
in!et6o$t!et i% compo%ed of a
%ing!e contin$o$% edge'
• (oint contin$ity4
a$tomatica!!y %e!ect% a!! the
edge% that are in pointcontin$ity "ith the %ing!e
%e!ected edge'
• Tangent contin$ity4
a$tomatica!!y %e!ect% a!! the
edge% that %ati%fy the
tangentia! contin$ity criteria
"ith the %ing!e %e!ected edge'• (oint contin$ity "ith %$rface
propagation4 a$tomatica!!y
%e!ect% edge% a%%ociated
"ith the in!et6o$t!et face%'
8/17/2019 FfC v5.0 03 Defining Geometry
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© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
Etracting the F!o" #o!$me 0cont2d1
• /erge a!! So!id% option4
– If the CAD geometry contain%m$!tip!e %o!id +o!$me% andthey to$ch each other. the+o!$me etraction proce%%prod$ce% a %eparate %o!id foreach part
– /erge a!! %o!id% "i!! prod$ce
one %o!id in%tead – In %ome comp!icated
geometrie% 0in "hich many%o!id +o!$me% to$ch eachother1. if the f!o" +o!$meetraction re%$!t% are notcorrect. yo$ can try to enab!e
the /erge a!! %o!id% optionbefore f!o" +o!$me etraction
– Thi% "i!! re%$!t in a %ing!e %o!idproperty for a!! the %o!id part%
/erge a!! %o!id% off
/erge a!! %o!id% on
8/17/2019 FfC v5.0 03 Defining Geometry
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© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
Etracting the F!o" #o!$me 0cont2d1
• Etracting the f!o" +o!$me
by $%ing on!y %$rface% – In the generati+e Shape
De%ign "orkbench. open the
%$rface geometry'
– Too!% Eterna! #ie" men$
to %e!ect the %$rface'
– S"itch to FLUENT for CATIA"orkbench and open the
geometry definition dia!og
bo. and %e!ect the f!o"
+o!$me a% the geometry
definition. and proceed to
generate the f!o" +o!$me'
Generati+e de%ign "orkbench
8/17/2019 FfC v5.0 03 Defining Geometry
12/151-12 ANSYS, Inc. Proprietary
© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
Etracting the F!o" #o!$me 0cont2d1
• F!o" #o!$me etraction by
%e!ecting more than one face%$rro$nding the in!et6o$t!et
– Need to %et /erging Di%tance
a%
– ;') mm in Too!%5ption%
• &ed$ction in F!o" #o!$me
etraction time for 5ctree/e%he%
• Impro+ement% in geometry
Sp!itting a!gorithm
– /ore rob$%t for imported CAD
geometrie%
FLUENT f CATIA V5 V i 5 0
8/17/2019 FfC v5.0 03 Defining Geometry
13/151-1% ANSYS, Inc. Proprietary
© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
Working "ith Symmetric and (eriodic Geometry
• When the geometry i%
%ymmetric or the f!o" ha%periodicity. a %ection bo$nded
by p!ane% of %ymmetry or
periodic p!ane% can be %e!ected
for ana!y%i%'
– Togg!e on the 9Geometry i%
Symmetric: 5ption' – Se!ect the p!ane% of %ymmetry
– In the Symmetry pane!. %e!ect
the
8/17/2019 FfC v5.0 03 Defining Geometry
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© 2009 ANSYS, Inc. All rights reserved.e!r"ary 1#, 2009
Inventory $002#02
Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
&tt%'(())).f#uentusers.com(ffc
Sp!it F!o" #o!$me% "ith Interior Face%
• Interior face%. if not contained in
the origina! geometry. can becreated from ei%ting edge% byright c!icking the GeometryDefinition on the %pecificationtree. then %e!ecting Sp!it f!o"+o!$me% in the contet$a! men$
• In the pane!. %e!ect the edge or
edge% "here the +o!$me %ho$!dbe %p!it. and 5= to +a!idate
• An interior face i% a!%o formed"here the +o!$me i% %p!it
• The interior face% are needed for%pecifying interna! bo$ndarycondition% 0%ee poro$% >$mp%.
fan%. and heat echanger%. etc'1
FLUENT f CATIA V5 V i 5 0 F# t f C ti $ t t
8/17/2019 FfC v5.0 03 Defining Geometry
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Training Manual
FLUENT for CATIA V5 Version 5.0
Introductory Training, Decemer !00"
F#uent for Catia $u%%ort center
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Etracting the F!o" #o!$me4 A S$mmary
• Genera! G$ide!ine%4
– Choo%e the %o!id mode! optionif the imported geometry
contain% on!y the %o!id part%
– Choo%e the f!o" +o!$me option
if the imported geometry
contain% the f!$id region
• ?o$ can etract the f!o" +o!$mefor geometrie% "itho$t in!et% or
o$t!et% by enab!ing No In!et65$t!et
option in the Geometry Definition
pane! 0%ome !imitation% app!y. %ee
FLUENT for CATIA U%er2% G$ide for
detai!%1
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