cfd drag prediction training workshop
TRANSCRIPT
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 1/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp
Zhyha Dcfphehf
Dcphrtacet mo Hcrmsphbc Ce`geccrge`K.E. Tmmsg Segvcrsgty mo Tcbfemim`y
Rcptcalcr, <:8<updhtcd me Dcb. 83, <:83
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 8 / <0
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 2/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
Mutigec
8 Mvcrvgcw
< Bmaputhtgmehi Bhscs
\HC <6<< HgromgiOimw bmedgtgme hed smivcr scttge`Bmaputhtgmehi `rgd
_higdhtgme hed \csuitsMEC\H A? Pge`
Oimw bmedgtgme hed smivcr scttge`Bmaputhtgmehi `rgd_higdhtgme hed \csuits
EHRH‗s Bmaame \cschrbf AmdciOimw bmedgtgme hed smivcr scttge`Bmaputhtgmehi @rgd_higdhtgme hed \csuits
2 Ruaahry
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp < / <0
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 3/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
Mvcrvgcw
Ge tfgs wmrksfmp, tfrcc sthedhrd tcst bhscs hrc euacrgbhiiy studgcd. Tfcy gebiudc \HC <6<< hgromgi,MEC\H A? wge`, hed EHRH‗s bmaame rcschrbf amdci wgtf g F 1 :◯. Tfcy hrc typgbhiiy uscd hsvhigdhtgme bhscs ge bmaputhtgmehi hehiyscs. Tfcy hrc getrmdubcd lrgcy hs omiimw>
\HC <6<< Hgromgi
Gs h supcrbrgtgbhi hgromgi tfht whs uscd omr vhigdhtge` turluicebc amdcis ge sgauihtgmes.
MEC\H A? Pge`Dcsg`ecd ly MEC\H Hcrmdyehagb Dcphrtacet ge 870< hs tfc cxpcrgacethi `cmactry omr ge-vcstg`htge` tfrcc-dgacesgmehi bmaputhtgmehi sgauihtgmes.
EHRH‗s Bmaame \cschrbf Amdci (g F 1 :◯)Dcsg`ecd hed dcvcimpcd ly tfc Lmcge` Bmaphey hed EHRH usge` tfc RWE8:0 wge` dcsg`ebmdc. Gt gs he mpce-smurbc `cmactry omr studyge` tfrcc-dgacesgmehi mw hed BOD vhigdhtgmes.
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 2 / <0
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 4/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
\HC <6<< HgromgiOimw bmedgtgme hed smivcr scttge`
Ge tfgs bhsc, bmaprcssglic vgsbmsc mw mvcr \HC <6<< hgromgi gs sgauihtcd ge hbbmrdhebc wgtf tfcmw bmedgtgmes hed euacrgbhi sbfcacs ge tfc lcimw thlic. Tfc rcsuits hrc vhigdhtcd wgtf Bmmk cthi‗s cxpcrgacethi dhth[8Q.
Rmivcr scttge`
Rmivcr Dcesgty Lhscd
Gapigbgt <D Rtchdy Ichst Rquhrcs
Cquhtgmes \cyemids-Hvcrh`c Ehvgcr Rtmks (\HER)
Turluicebc Amdci K∜χ (RRT)
\cyemids Eualcr ?.3 Agiigme (lhscd me bfmrd)
Lmuedhry Bmedgtgme θ 1 <.28
◯
Ahbf 1 :.0<7
Turluicebc getcesgty 1 2%
Turluicebc ice`tf sbhic 1 :.:::8a
Rbfcacs HSRA \mc
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 4 / <0
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 5/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
\HC <6<< HgromgiBmaputhtgmehi `rgd
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 3 / <0
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 6/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
\HC <6<< Hgromgi_higdhtgme hed \csuits
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp ? / <0
M tig M g B t tg i B R \ o
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 7/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
MEC\H A? Pge`Oimw bmedgtgme hed smivcr scttge`
Ge tfgs bhsc, gevgsbgd hed vgsbmus bmaprcssglic mw mvcr MEC\H A? wge` hrc sgauihtcd ge hbbmr-dhebc wgtf mw bmedgtgmes hed euacrgbhi sbfcacs ge tfc lcimw thlic. Tfc euacrgbhi rcsuits hrcvhigdhtcd wgtf Rbfagtt ct hi‗s cxpcrgacethi dhth[<Q.
Rmivcr scttge`
Rmivcr Dcesgty Lhscd Dcesgty Lhscd
Cxpigbgt 2D Rtchdy Ichst Rquhrcs Cxpigbgt 2D Rtchdy Ichst Rquhrcs
Cquhtgmes \cyemids-Hvcrh`c Ehvgcr Rtmks (\HER) Cuicr
Turluicebc Amdci K∜χ (RRT)Gevgsbgd
\cyemids Eualcr ?.3 Agiigme (lhscd me bfmrd)
Lmuedhry Bmedgtgme θ 1 <.28◯ A 1 :.0<7 getcesgty 1 2%
θ 1 <.28◯ A 1 :.0<7
ice`tf sbhic 1 :.:::8a Rbfcacs HSRA HA@ (_ bybic, GIS) HSRA HA@ (_ bybic, GIS)
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 0 / <0
M tigec M cr gc Bmap thtgmehi Bhscs R aahr \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 8/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
MEC\H A? Pge`Rtrubturcd limbk omr Cuicr hed \HER smiutgme hrmued tfc wge`
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 6 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 9/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
MEC\H A? Pge`Ouii strubturcd `rgd
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 7 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 10/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
MEC\H A? Pge`Bmhrsc hed ec M-tmpmim`y `rgds
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 8: / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 11/27
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
MEC\H A? Pge`Bmhrsc hed ec B-tmpmim`y `rgds
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 88 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 12/27
p y
MEC\H A? Pge`_higdhtgme hed \csuits
MEC\H A? euacrgbhi smiutgmes
Rgauihtgmes @rgds Turluicebc Zrcbgsgme Rphtghi dgsbrctgzhtgme B I B D Cxpcrgacet
Oimw Kgectgb cecr`y Dgssgphtgme rhtc B I B D
Rbhicd 2::K RRT dmulic scbmed scbmed scbmed :.822?7 :.::77: :.84:7 :.::60
\HER 2A RRT dmulic scbmed scbmed scbmed :.<?0?4 :.:8632
:.<?0 :.:80:3A RRT dmulic scbmed scbmed scbmed :.<?<<< :.:8?66
Cuicr ?3:K Gevgsbgd dmulic rst :.<6633 :.:4867
EH
scbmed :.<6328 :.:8::2
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 8< / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 13/27
p y
MEC\H A? Pge`Zrcssurc bmcobgcets omr Cuicr hed \HER smiutgmes ht 44 % hed 77 % imbhtgmes
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 82 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 14/27
MEC\H A? Pge`_higdhtgme mo prcssurc bmcobgcet mo \HER smiutgme omr tfc ecst `rgd
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 84 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 15/27
MEC\H A? Pge`Sppcr surohbc sfmbk surohbc hed W+ bmetmur mo tfc \HER smiutgme omr tfc ecst `rgd
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 83 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 16/27
EHRH‗s Bmaame \cschrbf AmdciOimw bmedgtgme hed smivcr scttge`
Ge tfgs bhsc, cxtcrehi vgsbmus bmaprcssglic mw mvcr Bmaame \cschrbf Amdci gs sgauihtcd ge hb-bmrdhebc wgtf mw bmedgtgmes hed euacrgbhi sbfcacs ge lcimw thlic. Tfc euacrgbhi rcsuits hrcvhigdhtcd wgtf wgtf Rbihoheg ct hi hehiysgs usge` tfc M_C\OIMP [2Q.
Rmivcr scttge`
Rmivcr
Dcesgty Lhscd
Gapigbgt 2D Rtchdy Ichst Rquhrcs
Cquhtgmes \cyemids-Hvcrh`c Ehvgcr Rtmks (\HER)
Turluicebc Amdci K∜χ (RRT)
\cyemids Eualcr 3 Agiigme (lhscd me AHB)
Lmuedhry Bmedgtgme θ1
<.3
◯
, 2
◯
Ahbf1
:.63
Turluicebc getcesgty 1 2%
Turluicebc ice`tf sbhic 1 :.:::8a
Rbfcacs HSRA HA@ (_ bybic, @huss-Rcgdci)
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 8? / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 17/27
EHRH‗s Bmaame \cschrbf AmdciFylrgd bmhrsc acsf
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 80 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 18/27
EHRH‗s Bmaame \cschrbf AmdciAcdgua hegsmtrmpgb tctrhfcdrhi acsf
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 86 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 19/27
EHRH‗s Bmaame \cschrbf AmdciAcdgua fylrgd acsf
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp 87 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 20/27
EHRH‗s Bmaame \cschrbf AmdciBmaphrgsme lctwcce tfc acdgua fylrgd acsf hed tfc hegsmtrmpgb tctrhfcdrhi acsf
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp <: / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 21/27
EHRH‗s Bmaame \cschrbf Amdci_higdhtgme hed \csuits
B\A (g F 1 :◯) euacrgbhi smiutgmes
HMH (◯) @rgds Turluicebc Zrcbgsgme Rphtghi dgsbrctgzhtgme
B I B D _crgbhtgme[2Q
Oimw Kgectgb cecr̀ y Dgssgphtgme rhtc B I B D
<.3 3.6A RRT dmulic scbmed scbmed scbmed :.337<0 :.:24?8
:.3:: :.:<?0<82.3A RRT dmulic scbmed scbmed scbmed :.3:863 :.:<642
2 8<.?A RRT dmulic scbmed scbmed scbmed :.37663 :.:2083 :.37<4 :.:24<4
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp <8 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 22/27
EHRH‗s Bmaame \cschrbf Amdci_higdhtgme mo prcssurc bmcobgcet ge twm sphewgsc imbhtgmes omr `rgd bmevcr`cebc hed dmwewhsf studgcs
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp << / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 23/27
EHRH‗s Bmaame \cschrbf AmdciRfmbk surohbc mvcr tfc wge` hed uedcr tfc thgi omr tfc `rgd bmevcr`cebc hed dmwewhsf studgcs
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp <2 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 24/27
EHRH‗s Bmaame \cschrbf AmdciRtrchaigecs mvcr hed uedcr tfc thgi omr tfc `rgd bmevcr`cebc hed dmwewhsf studgcs
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp <4 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 25/27
Ruaahry
Tfc suaahry bmebiusgme omr tfrcc sthedhrd bhscs hrc>
\HC <6<< HgromgiLmtf smiutgme me strubturcd B-tmpmim`y hed M-tmpmim`y `rgds fhvc `mmd h`rccacet wgtf EHRH‗seuacrgbhi sgauihtgme hed cxpcrgacethi dhth.
MEC\H A? Pge`
Tfc Ogec @rgd fhvc `mmd h`rccacet wgtf cxpcrgacethi dhth. Tfc <ed mrdcr actfmd prmvgdcslcttcr rcsuits lmtf omr Cuicr hed \HER smiutgme. Tfc K-χ (RRT) turluicebc amdci sccas tm lcrmlust cemu`f lmtf ge bmevcr`cebc hed hbburhby mo tfc smiutgmes.
EHRH‗s Bmaame \cschrbf Amdci (g F 1 :◯)Tfc bmevcr`cebc hed hbburhby mo fylrgd `rgd (g.c. prgsa hed tctrhfcdrhi bciis) scca tm lc amrcrmlust bmaphrcd wgtf hegsmtrmpgb tctrhfcdrhi `rgd. Duc tm igagtcd bmaputhtgmehi rcsmurbcs,smiutgme me tfc ecst `rgd gs uerchbfhlic lut omr lcttcr rcsuits gt gs ecbcsshry. Gt gs cxpcbtcdtfc dgoocrcebc lctwcce tfc rcsuits hed tfc Lmcge` Bmaphey euacrgbhi smiutgme me tfc sfmbkimbhtgmes mo uppcr surohbc, wfgbf whs hppchrcd ge prcssurc bmcobgcet dgstrglutgme, wgii gaprmvc
ly usc mo dcescr bfmrd wgsc `rgd.
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp <3 / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 26/27
Tfhek ymu!
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp <? / <0
Mutigec Mvcrvgcw Bmaputhtgmehi Bhscs Ruaahry \cocrcebcs
7/23/2019 CFD Drag Prediction Training Workshop
http://slidepdf.com/reader/full/cfd-drag-prediction-training-workshop 27/27
\cocrcebcs
[8Q ZF Bmmk, AH AbDmehid, hed ABZ Ograge. ’Hcrmomgi \HC <6<<-Zrcssurc Dgstrglutgmes, hed Lmuedhry Ihycrhed Phkc Achsurcacets, H\-826, H@H\D, 8707, pp. H ?. 8-H ?. 00‑. Ge> Zrgebgphi Bmapmecet Hehiysgs ().
[<Q _ Rbfagtt hed O Bfhrpge. ’Zrcssurc dgstrglutgmes me tfc MEC\H-A?-Pge` ht trhesmegb Ahbf eualcrs‑. Ge>Cxpcrgacethi dhth lhsc omr bmaputcr prm`rha hsscssacet 4 (8707).
[2Q Hetfmey N Rbihoheg ct hi. ’Drh` Zrcdgbtgme omr tfc EHRH B\A Pge`/Lmdy/Thgi Ssge` BOI2D hed M_C\OIMPme he Mvcrsct Acsf‑. Ge> HGHH Zhpcr 4<87 (<:8:).
Z. Dcfphehf BOD Drh` Zrcdgbtgme Trhgege` Pmrksfmp <0 / <0