7/27/2019 Flow Structers Interaction FSI
1/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
&RPSXWDWLRQDO)OXLG 6WUXFWXUH ,QWHUDFWLRQ&RPSXWDWLRQDO&RPSXWDWLRQDO)OXLG )OXLG 6WUXFWXUH ,QWHUDFWLRQ6WUXFWXUH ,QWHUDFWLRQ
$I]DO $I]DO 6XOHPDQ6XOHPDQ3K'3K' 3(QJ 3(QJ $VVRFLDWH 3URIHVVRU $VVRFLDWH 3URIHVVRU
8QLYHUVLW\ RI 9LFWRULD8QLYHUVLW\ RI 9LFWRULD
3 6 7HPSODWH DQG SLFWXUHV RI WKH ILUVW VOLGHV XVHG ZLWK SHUPLVVLRQ IURP WKH OHFWXUH VHULHV E\3URIHVVRU -XDQ $ORQVR 6WDQIRUG 8QLYHUVLW\ 86$
7/27/2019 Flow Structers Interaction FSI
2/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
,PSRUWDQFH RI $HURHODVWLFLW\,PSRUWDQFH RI $HURHODVWLFLW\
n &RXSOLQJ EHWZHHQ DHURG\QDPLFV DQG VWUXFWXUIXQGDPHQWDO LQ DHURVSDFH V\VWHP GHYHORSPHQW
n ,W LV GLIILFXOW WR DFFRXQW IRU DQG W\SLFDOO\ FDXFDWDVWURSKLF IDLOXUH RU FRVWO\ IL[HV DQG UHGH
n $HURHODVWLFLW\ DOVR SOD\V D NH\ UROH LQ WKH GHFRQWURO V\VWHPV DHURVHUYRHODVWLFLW\
n 'HVLJQHUV QHHG PHWKRGV WR IRUHVHH DOO RI WKHVSUREOHPV WR ZRUN DURXQG WKHP RU WR XVH WKHP WDGYDQWDJH
7/27/2019 Flow Structers Interaction FSI
3/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
$HURHODVWLF$HURHODVWLF3UREOHPV3UREOHPV
n +LJK $OWLWXGH /RQJ(QGXUDQFH +$/( YHKLFOHV
n 4XLHW 6XSHUVRQLF 3ODWIRUP463 EXVLQHVV MHWV
n 6XSHUVRQLF WUDQVSRUWV
7/27/2019 Flow Structers Interaction FSI
4/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
-RLQHG-RLQHG:LQJ $LUFUDIW:LQJ $LUFUDIW
n *RRG IRU HOHFWURQLF VXUYHLOODQFHn 3RWHQWLDO VWHDOWK FKDUDFWHULVWLFVn 3RVVLELOLW\ RI VLJQLILFDQW ZHLJKWUHGXFWLRQn 6HYHUH QRQ OLQHDU EXFNOLQJ
SUREOHPV
1$6$ %R[ :LQJ $LUOLQHU 3DVVHQJHU 1$6$ %R[ :LQJ $LUOLQHU 3DVVHQJHU
7/27/2019 Flow Structers Interaction FSI
5/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
$HURHODVWLF$HURHODVWLF7ULDQJOH7ULDQJOH
A
E I
D y n a m i c S t a b i l i t y
I: Inertial ForcesE: Elastic ForcesA: Aerodynamic Forces
S t a t i c
A e r o
e l a s t i c
i t y
Mechanical Vibrations
DynamicAeroelasticity
7/27/2019 Flow Structers Interaction FSI
6/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
0DLQ )HDWXUHV RI )OXWWHU LQ ([WHUQDO0DLQ )HDWXUHV RI )OXWWHU LQ ([WHUQDO
n +LJK PDVV UDWLR EHWZHHQ WKH VWUXFWXUH DQGn +LJKO\ WXUEXOHQW IORZ
,VRODWHG :LQJLQ ([WHUQDO )ORZ
7/27/2019 Flow Structers Interaction FSI
7/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
*RYHUQLQJ (TXDWLRQV RI WKH )ORZ *RYHUQLQJ (TXDWLRQV RI WKH )ORZ
n 7KH JRYHUQLQJ HTXDWLRQV DUH HLWKHU l (XOHU HTXDWLRQV IRU DQ LQYLVFLG IOXLGl 5H\QROGV $YHUDJHG 1DYLHU 6WRNHV HTXDWLRQV ZLWK VX
PRGHOV
n (YHU\WKLQJ LV DSSOLFDEOH WR RWKHU IORZ PRGHOV
n *RYHUQLQJ HTXDWLRQV DUH VROYHG QXPHULFDOO\ X
HIILFLHQW FRPSXWDWLRQDO WHFKQLTXHV DQG SDUD
7/27/2019 Flow Structers Interaction FSI
8/45
7/27/2019 Flow Structers Interaction FSI
9/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
*RYHUQLQJ (TXDWLRQV RI WKH 6WUXFWXU*RYHUQLQJ (TXDWLRQV RI WKH 6WUXFWXU
n 0RVWO\ OLQHDU VWUXFWXUDO PRGHOV 1RQ OLQHDU PFXUUHQWO\ EHLQJ VWXGLHG
n 7KH JRYHUQLQJ HTXDWLRQV FDQ EH SXW LQ WKH IRUP
n >0@ >&@ DQG >.@ DUH WKH PDVV GDPSLQJ DQG VWLIIQPDWULFHV XVXDOO\ REWDLQHG XVLQJ D ILQLWH HOHPHGLVFUHWL]DWLRQ
n ,Q PRVW SUREOHPV RI LQWHUHVW WR DHURVSDFH DSSOLQRQ OLQHDULWLHV UHVXOW IURP WKH IORZ DQG QRW W+RZHYHU WKLV LV QRW DOZD\V WUXH
7/27/2019 Flow Structers Interaction FSI
10/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
)OXLG 6WUXFWXUH &RXSOLQJ)OXLG 6WUXFWXUH &RXSOLQJ
7/27/2019 Flow Structers Interaction FSI
11/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
&RXSOLQJ %HWZHHQ )OXLG&RXSOLQJ %HWZHHQ )OXLG6WUXFWXUH6WUXFWXUH
n 7KH IOXLG G\QDPLFV SURYLGHV D GLVWULEXWHG SUHVDQG VKHDU VWUHVV RQ WKH VXUIDFH RI WKH &)' PHVKWUDQVIHUUHG WR WKH VWUXFWXUH DV D VHULHV RI S
n 7KH VWUXFWXUH SURYLGHV GLVSODFHPHQWV WKDW QWUDQVIHUUHG WR WKH VXUIDFH RI WKH &)' PHVK 7KHGLVSODFHPHQWV PRGLI\ WKH ERXQGDU\ FRQGLWLRQV RVROXWLRQ
n 3URFHGXUH LV UHSHDWHG DV D IXQFWLRQ RI WLPH
7/27/2019 Flow Structers Interaction FSI
12/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
&RQVHUYDWLRQ RI /RDGV DQG (QHUJ\&RQVHUYDWLRQ RI /RDGV DQG (QHUJ\
n &RQVHUYDWLRQ RI /RDGl 7KH QRGDO IRUFHV PXVW \LHOG WKH VDPH QHW IRUFHV DV WKH SUHVV
n &RQVHUYDWLRQ RI (QHUJ\l 7KH YLUWXDO ZRUN GRQH E\ WKH QRGDO IRUFHV PXVW EH HTXDO WR W
SUHVVXUH ORDGV
n &RQVLVWHQW DQG &RQVHUYDWLYH /LQHDU 7UDQVIHU )XQFWl %DVHG RQ WKH DUHD FRRUGLQDWH RI WKH FORVHVW HOHPHQW IURP H
PHVK SRLQW
7/27/2019 Flow Structers Interaction FSI
13/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
6\QFKURQL]DWLRQ DQG &RXSOHG 6LPXODW6\QFKURQL]DWLRQ DQG &RXSOHG 6LPXODW
n )OXLG VROXWLRQV DUH W\SLFDOO\ VHFRQG RU WKLUGDFFXUDWH LQ WLPH
n 6WUXFWXUDO VROXWLRQ LV W\SLFDOO\ VHFRQG RUGHWLPH
n ,V FRXSOHG VROXWLRQ RI WKH VDPH RUGHU RI DFFXUD
n 2QH PXVW GHYLVH FRXSOHG LQWHJUDWLRQ VFKHPHVUHVXOW LQ SUHVHUYHG RUGHU RI DFFXUDF\ RI WKH FR
VLPXODWLRQ
7/27/2019 Flow Structers Interaction FSI
14/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
$OJRULWKPV IRU )OXLG$OJRULWKPV IRU )OXLG6WUXFWXUH &RXSOLQJ6WUXFWXUH &RXSOLQJ
n $V ZH VDZ HDUOLHU LW LV QHFHVVDU\ WR KDYH D SUWKDW WUDQVIHUV ORDGV IURP &)' WR WKH VWUXFWWKH VDPH WLPH FDQ WUDQVIHU WKH VWUXFWXUDOGLVSODFHPHQWV IURP WKH VWUXFWXUDO PHVK WR WPHVK
n 0DQ\ DOWHUQDWLYHV H[LVW DQG WKHLU VXLWDELOGHEDWHG IRU VWDWLF DHURHODVWLF IORZV
n +RZHYHU IRU XQVWHDG\ DHURHODVWLFLW\ DQG IRUV\VWHPV ZLWK YHU\ ORZ GDPSLQJ UDWLRV WKH FKRLWUDQVIHU SURFHGXUH LV FULWLFDO WR DFKLHYH KLDFFXUDF\
l ,I WKH ORDG WUDQVIHU LV QRW HQHUJ\ FRQVHUYLQJ D V\VWD IOXWWHU VWDWH PD\ DSSHDU WR EH VWDEOH ZLWK FDWD
FRQVHTXHQFHV
7/27/2019 Flow Structers Interaction FSI
15/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
$OJRULWKPV IRU )OXLG$OJRULWKPV IRU )OXLG6WUXFWXUH &RXSOLQJ6WUXFWXUH &RXSOLQJ
n 7KHUH DUH DQ LQILQLWH QXPEHU RI VWUXFWXUDO O
YHFWRUV WKDW SURGXFH WKH VDPH UHVXOWDQW IRPRPHQWV FRQVHUYDWLRQ RI ORDGn 7KHUH LV KRZHYHU RQO\ RQH VXFK ORDG YHFWRU ZK
LQ DGGLWLRQ FRQVHUYHV HQHUJ\ LI ERWK WKH VWUDQG &)' PHVKHV XQGHUJR FRUUHVSRQGLQJ YLUWXDOGLVSODFHPHQWV
n ,Q RUGHU WR FRQVWUXFW WKLV ORDG YHFWRU NQRZ
ERWK WKH ILQLWH HOHPHQW GLVFUHWL]DWLRQ EDVDQG DQ DVVRFLDWLRQ SURFHGXUH EHWZHHQ SRLQW&)' DQG VWUXFWXUDO PHVKHV LV QHFHVVDU\
7/27/2019 Flow Structers Interaction FSI
16/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
$OJRULWKP IRU )OXLG$OJRULWKP IRU )OXLG6WUXFWXUH &RXSOLQJ6WUXFWXUH &RXSOLQJ
l )RU HYHU\ &)' SRLQW ILQG WKH QHDUHVW SRLQW R
VXUIDFH RI WKH VWUXFWXUDO PHVK QRW QHFHVVQRGH RQ WKH VWUXFWXUDO PHVKl $W WKLV DVVRFLDWHG SRLQW HYDOXDWH WKH ED
IXQFWLRQV IRU WKH VWUXFWXUDO HOHPHQW LQ TDQG VWRUH WKH YDOXHV LQ D OLQHDU WUDQVIHU
l &DOFXODWH GLVWDQFHV EHWZHHQ FRUUHVSRQGLLQ ERWK PHVKHV
l $GG HIIHFW RI VPDOO URWDWLRQV WR FRPSXWH WKLQIOXHQFH RI DOO &)' VXUIDFH SUHVVXUHV RQ DOOVWUXFWXUDO QRGH ORDG YHFWRUV
7/27/2019 Flow Structers Interaction FSI
17/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
/RDG 7UDQVIHU 6\VWHP/RDG 7UDQVIHU 6\VWHP
,QWHJUDWH SUHVVXUH RYHU WKH DUHDVXUURXQGLQJ WKH &)' PHVK SRLQW
'LVWULEXWH WKH IRUFH DFFRUGLQJ WRWKH DUHD FRRUGLQDWH RI D WULDQJOH
7/27/2019 Flow Structers Interaction FSI
18/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
'HIRUPDWLRQ 7UDFNLQJ 6\VWHP'HIRUPDWLRQ 7UDFNLQJ 6\VWHP
(YHU\ &)' SRLQW LV DVVRFLDWHG ZLWK WKH QRGDO GLVSODFHPHQWV RI WKH FORVHV6PDOO URWDWLRQV DUH LQFOXGHG)RU ODUJH URWDWLRQV D PRUH FRPSOLFDWHG QRQ OLQHDU WUDQVIHU PHWKRG LV QHUHVXOWV FDQQRW EH SUH FRPSXWHG
7/27/2019 Flow Structers Interaction FSI
19/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
6\QFKURQL]DWLRQ6\QFKURQL]DWLRQ
n 3HUWXUE &)' PHVK
DFFRUGLQJ WR VWUXFWXUDGLVSODFHPHQWVn $GYDQFH IOXLG V\VWHP
XVLQJ GXDO WLPH VWHSSLQn 7UDQVIHU SUHVVXUH WR QR
IRUFHVn $GYDQFH VWUXFWXUDO V\VW
XVLQJ 1HZPDUNWUDSH]RLGDO UXOH
7/27/2019 Flow Structers Interaction FSI
20/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
6XPPDU\ DQG &RQFOXVLRQV6XPPDU\ DQG &RQFOXVLRQV
n $HURHODVWLF SUREOHPV RI UHOHYDQFH WR WKH DHURLQGXVWU\ KDYH EHHQ SUHVHQWHG
n ,QGLYLGXDO HTXDWLRQV RI PRWLRQ IOXLG VWUXFWXUDGYDQFHG IRUZDUG LQ WLPH ZLWK DSSURSULDWH LQIRH[FKDQJH VR WKDW DFFXUDF\ LQ WLPH LV SUHVHUYHG
n $OJRULWKPV IRU DOO RI WKHVH SURFHGXUHV PXVW EHWKDW FRPSXWDWLRQV FDQ EH FDUULHG RXW LQ D UHDDPRXQW RI WLPH
7/27/2019 Flow Structers Interaction FSI
21/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
:LQJ )OXWWHU YV )ODSSLQJ )OLJKW
3DWLO 0 - )URP IOXWWHULQJ ZLQJV WR IODSSLQJ IOLJKW WKH HQHUJ\ FRQQHFWLRQ
$,$$*DUULFN , ( 3URSXOVLRQ RI D IODSSLQJ DQG RVFLOODWLQJ DLUIRLO 1$&$ 75
7KHRGRUVHQ 7 *HQHUDO WKHRU\ RI DHURG\QDPLF LQVWDELOLW\ DQG WKHPHFKDQLVP RI IOXWWHU 1$&$ 75
Q $ QHZ SDUDGLJP IRU XQGHUVWDQGLQJ ZLQJ IOXWWHU DQGIODSSLQJ IOLJKW
Q 7KH SDUDGLJP LQWHJUDWHV DHURHODVWLF LQWHUDFWLRZLWK DSSOLHG DQG LQGXFHG SURSXOVLYH HIIHFWV
Q 7KH IUDPHZRUN LV EDVHG RQ WKH FRQVHUYDWLRQ RIHQHUJ\
7/27/2019 Flow Structers Interaction FSI
22/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
(QHUJ\ 7UDQVIHU LQ $HURHODVWLFLW\
)/877(502'(
6WUXFWXUH
)ORZ
6WUXFWXUH
)ORZ
'$03('02'(
7/27/2019 Flow Structers Interaction FSI
23/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
(QHUJ\ 7UDQVIHU LQ $HURHODVWLFLW\ DQG )ODSSLQJ )OLJKW
)/877(5 02'(
6WUXFWXUH
)ORZ
'5$* 02'('$03('
:DNH
3URSXOVLRQ
6WUXFWXUH
)ORZ
:DNH
3URSXOVLRQ
6WUXFWXUH
)ORZ
:DNH
3URSXOVLRQ
7+5867 02'('$03('
7/27/2019 Flow Structers Interaction FSI
24/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
D
E
K
8
D[LV RIURWDWLRQ
OHDGLQJ
HGJH
a 7UDLOLQJHGJH
W L
W L
H
HEKK
w
w
a a =
=
7/27/2019 Flow Structers Interaction FSI
25/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
HQHUJ\WRWDOSURSXOVLRQRI HQHUJ\
==:
8 3 [
h
7/27/2019 Flow Structers Interaction FSI
26/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
VWUXFWXUDO HQHUJ\ .LQHWLF HQHUJ\
N
SURSXOVLYH ZRUN
7/27/2019 Flow Structers Interaction FSI
27/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
ERXQGDU\ RI IOXWWHU WKUXVW
N
7/27/2019 Flow Structers Interaction FSI
28/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
N N
N N
7/27/2019 Flow Structers Interaction FSI
29/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
SURSXOVLRQ
N
IOXWWHU
7/27/2019 Flow Structers Interaction FSI
30/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
7/27/2019 Flow Structers Interaction FSI
31/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
n n n
n n n
7/27/2019 Flow Structers Interaction FSI
32/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
'\QDPLF 6LPLOLWXGH'\QDPLF 6LPLOLWXGH
Q &D\OH\ LQIHUUHG WKDW WURXW KDYH WKH LGHDO
PLQLPXP UHVLVWDQFH ERG\ VKDSH IRU DQ DLUSODQH
Q :K\ D WURXW DQG QRW D ELUG"
Q 5XOHV RI G\QDPLF VLPLOLWXGH 7KH\ VKRZ WKDW DVPDOO ILVK LQ ZDWHU EHKDYHV PRUH OLNH D ODUJH
PDFKLQH LQ WKH DLU WKDQ D VPDOO ELUG LQ WKH DLUGRHV
7/27/2019 Flow Structers Interaction FSI
33/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
+\GURIRLO +\GURIRLO +\GURIRLO 0RWLRQ+\GURIRLO 0RWLRQ
7KH K\GURIRLO ZDV IRUFHG WR SLWFKqDQG KHDYH K DFFRUGLQJ WR WKH
IROORZLQJ HTXDWLRQV
( )[ ]( )[ ]WWI VLQ
WWI VLQKK
-pq=q
Y--p=
:KHUH
K LV WKH PD[LPXP KHDYLQJDPSOLWXGH
q LV WKH PD[LPXP SLWFKLQJ DQJOH
I LV WKH IUHTXHQF\ RI RVFLOODWLRQ
y LV WKH SKDVH DQJOH
7/27/2019 Flow Structers Interaction FSI
34/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
+\GURIRLO +\GURIRLO 3DUDPHWHUV3DUDPHWHUV
7KH SHUIRUPDQFH RI WKH K\GURIRLO LV PHDVXUHG XVLQJ VHYHUDO NH\SDUDPHWHUV
FE87
&7 r=
FE8/
&/ r=
GWG
W0GWGK
W/W3q
--=
FE83
&3 r=
378=h
7KUXVW FRHIILFLHQW
/LIW FRHIILFLHQW
3RZHU ZKHUH 0 LV WKH PRPHQW DWWKH D[LV RI URWDWLRQ TXDUWHU FKRUG
3RZHUFRHIILFLHQW
(IILFLHQF\ ZKHUH 7! DQG 3! DUH WKHDYHUDJH WKUXVW DQG SRZHUUHVSHFWLYHO\
7/27/2019 Flow Structers Interaction FSI
35/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
+\GURIRLO +\GURIRLO 'RPDLQ'RPDLQ
7KH GRPDLQ LV EURNHQ XS LQWREORFNV 2QH & W\SH JULG DURXQGWKH K\GURIRLO DQG EORFNVGRZQVWUHDP
$ JULG UHILQHPHQW VWXG\ ZDVXQGHUWDNHQ 7KH ILQDO PHVK LVPDGH XS RI JULG SRLQWV
7KH 5H\QROGV QXPEHU ZDV VHW WR7KLV DOORZHG IRU WKH
H[FOXVLRQ RI WXUEXOHQFH PRGHOV
DQG NHSW WKH QXPEHU RI JULGSRLQWV PDQDJHDEOH
7/27/2019 Flow Structers Interaction FSI
36/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
3LWFKLQJ 0RWLRQ3LWFKLQJ 0RWLRQ)ORZ ILHOG YLVXDOL]DWLRQ)ORZ ILHOG YLVXDOL]DWLRQ
N q N q
7/27/2019 Flow Structers Interaction FSI
37/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
3LWFKLQJ DQG +HDYLQJ 0RWLRQ3LWFKLQJ DQG +HDYLQJ 0RWLRQ
(IIHFW RI PD[LPXP SLWFKLQJ DQJOH(IIHFW RI PD[LPXP SLWFKLQJ DQJOH
=q =q
7/27/2019 Flow Structers Interaction FSI
38/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
3LWFKLQJ DQG +HDYLQJ 0RWLRQ3LWFKLQJ DQG +HDYLQJ 0RWLRQ(IIHFW RI SKDVH DQJOH(IIHFW RI SKDVH DQJOH
=Y =Y
7/27/2019 Flow Structers Interaction FSI
39/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
3LWFKLQJ DQG +HDYLQJ 0RWLRQ3LWFKLQJ DQG +HDYLQJ 0RWLRQ(IIHFW RI(IIHFW RI 6WURXKDO 6WURXKDO QXPEHU QXPEHU
7KUXVW (IILFLHQF\
7/27/2019 Flow Structers Interaction FSI
40/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
$XWRQRPRXV 8QGHUVHD 9HKLFOH $XWRQRPRXV 8QGHUVHD 9HKLFOH60$ ILVK OD\RXW 60$ ILVK OD\RXW
/LQNDJH PRWLRQ
%OXHILQ 7XQD $89
7/27/2019 Flow Structers Interaction FSI
41/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
&DXGDO )LQ&DXGDO )LQ60$ DFWXDWLRQ VHTXHQFH60$ DFWXDWLRQ VHTXHQFH
7/27/2019 Flow Structers Interaction FSI
42/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
7/27/2019 Flow Structers Interaction FSI
43/45
$33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/ $33/,&$7,21 2) $'$37,9( 6758&785(6 ,1 $&7,9( $(52(/$67,& &21752/
7/27/2019 Flow Structers Interaction FSI
44/45
7/27/2019 Flow Structers Interaction FSI
45/45
Top Related