05142014 Dam Break Webinar Final

7/21/2019 05142014 Dam Break Webinar Final

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Use of FLOW-3D to Model Catastrophic Dam Breaches

05/15/2014 1FLOW-D - Modeli!" Dam Breaches


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#oda$%s &"e!da

Brief historical co!te't( )hat happe!ed*

+o) does FLOW-3Dha!dle dam ,reach simlatio!s*

.hallo) Water model .t e!a!t eatio!s

Fll D 3aier .toes soltio! +$,rid .W / D model

6e!eral Moi!" O,7ect Model

.imple models( FLOW-3Ds.hallo) Water Model s FLOW-3Dsfll 3aier .toes D soltio!8

9eal life: .t Fra!cis Dam Brea Model

Co!clsio!s


Any questions do not [email protected]


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Brief historical co!te't( )hat happe!ed*

05/15/2014 FLOW-D - Modeli!" Dam Breaches


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Use of FLOW-3D to Model Catastrophic Dam Breaches#he .t Fra!cis Dam Brea ;e!t


Dam collapse !ear mid!i"ht of March 12th100 people

#he ?ood )ae i!itiall$ traelled do)!the .a! Fra!cisito Ca!$o!

#he! traelled do)! the .a!ta Clara9ier ,ed all the )a$ to the @aciAcOcea!8

!itial ?ood )ae o! the 100 ft scale


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#imeli!e of )aeimpact(

1. Dam ailure March 12th12 @ 11."#$m

2. 12%&2 'owerhouse (23. 12.)& *au+us

*ubstation). 1%1 ,dison -am$

". 2%2" illmore /rid+e0. 3.&" *anta 'aula/rid+e

#. ).&" *aticoy /rid+e. "%2" 'acic cean Reconstructed Map of Flooded Area

(Charles Lee circa 1928)


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05/15/2014 >FLOW-D - Modeli!" Dam Breaches

&ctal mecha!ics of thefailre !ot the focs oftoda$%s prese!tatio!8

Focs toda$ o! the h$dralicaspects of the ?ood )ae8


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+o) does FLOW-3Dha!dle dam ,reachsimlatio!s*

05/15/2014 =FLOW-D - Modeli!" Dam Breaches


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At the -ore%

A ransient ull 3D ree *urace Modeler

FLOW-3D 4s Volume of Fluid method yields a ast5

accurate and robust code that ca$tures ully three6dimensional com$le7 ree suraces.

Flow Science invented the olu!e of Fluid !ethod

over "# $ears a%o and still develops its !ostsophisticated version called TruVOF.

05/15/2014FLOW-D - Modeli!" Dam Breaches <


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ree surace e7am$le% a duct outfow jet

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ree surace e7am$le% dam brea8



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/eyond the -ore%Ad9anced :ater ,n+ineerin+ ; ,n9ironmental Models



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.hallo) Water ;atio!s&St enant 'uations


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Moi!" a!d .impleDeformi!" O,7ects

6e!eral Moi!" O,7ectsE6MO Model


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=ree Meshin+> modelin+a$$roach

FAVORo,7ectreprese!tatio!% solids andto$o+ra$hy ?foat4 in s$ace5no tedious boundary ttedmeshin+5 no ?$oor mesh4$ressure con9er+enceissues.

.eamless !esti!" ofmesh ,locs

&tomatic Co!formalMeshi!"

.eamless !esti!" of


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Dam Brea Modeli!" #ools i! FLOW-3D

.hallo) Water ;atio!s( FLOW-3Dsimpleme!tatio! is ro,stfast a!d accrate ee! i! the prese!ce of stro!" h$dralic

7mps8

Fll D 3aier .toes )ith ada!ced tr,le!ce models

+$,rid approach( D !ear the dam copled )ith shallo) )atersoltio! o! the re"io!al scales8 #he copli!" of the soltio!s is

seamless8

Copli!" of D soltio!s to 6e!eral Moi!" O,7ect model

05/15/2014 1>FLOW-D - Modeli!" Dam Breaches


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.imple Cases

FLOW-3Ds.hallo) Water Model

s

FLOW-3Dsfll 3aier .toes D soltio!8



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*im$le est Models%Dam brea8 usin+ FLOW-3D4s a9ier *to8es 3D

solution

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*im$le est Models%Dam brea8 usin+ FLOW-3D4s *hallow :ater solution

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*im$le est Models%Dam brea8 usin+ FLOW-3D4s a9ier *to8es 3D

solution


;'celle!t La,orator$alidatio! ,$ OGme!-Ca"ata$ H Iocama!:


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*im$le est Models%* -hannel usin+ FLOW-3D4s a9ier *to8es 3D

solution



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*im$le est Models%* -hannel usin+ FLOW-3D4s a9ier *to8es 3D

solution


/e+in o refected sub6critical wa9e /ac8 $ro$a+ation o refected sub6critical wa9e

Ma7imum loodin+ occurs u$on refection o subcritical wa9e.Does not occur durin+ initial ront $ro$a+ation.


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*im$le est Models%* -hannel usin+ FLOW-3D4s *hallow :ater solution



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*im$le est Models%FLOW-3D4s *hallow :ater Model


FLOW-3Ds core 3D model is well 8nown to ca$ture hydraulicjum$s 9ery accurately

Decades o laboratory5 built and numerical en9ironment9alidations.

rom these sim$le e7am$les5 it would seem FLOW-3Ds.hallo) Water Model does er$ )ell o! traci!"h$dralic 7mps:

#here are reaso!s for this(

FLOW-3Ds core models OF F&O9 are ideall$ sited tothe impleme!tatio! of er$ accrate .hallo) Waterschemes8

+irt H 9ichardso! 1


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FLOW-3D4s *hallow :ater Model


Generally FLOW-3Ds Shallow Waer !odel "erforms e#remelywell in s"eed$ a%%ura%y and ro&usness$ e'en for 'ery %om"le#

(ows and )eomeries.

*owe'er hey are di+eren e,uaions les no )e oo %omfora&le wihhe idea ha a shallow waer model %an %a"ure he full momenum

&alan%es ha are found in he a'ier So/es soluions.

& "& 1&& 1"& 2&& 2"& 3&&

&

2

)

0

!

1&

12

D 4s .hallo) Water Flood Wa4e +ei"ht at 500m,efore o,stacle

3D solution *hallow :ater

& "& 1&& 1"& 2&& 2"& 3&&

&

2

)

0

!

1&

12

D s .hallo) Water Flood Wae +ei"ht at C50mafter o,stacle2



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FLOW-3D4s *hallow :ater Model

05/15/2014FLOW-D - Modeli!" Dam Breaches 2>

Generally FLOW-3Ds Shallow Waer !odel "erformse#remely well in s"eed$ a%%ura%y and ro&usness$ e'en for

'ery %om"le# (ows and )eomeries.

*owe'er hey are di+eren e,uaions les no )e oo%omfora&le wih he idea ha a shallow waer model %an %a"ure

he full momenum &alan%es ha are found in he a'ier So/essoluions.

& "& 1&& 1"& 2&& 2"& 3&&

&

2

)

0

!

1&

12

D 4s .hallo) Water Flood Wa4e +ei"ht at 500m,efore o,stacle


& "& 1&& 1"& 2&& 2"& 3&&

&

2

)

0

!

1&

12

D s .hallo) Water Flood Wae +ei"ht at C50mafter o,stacle2


9e?ected Waes Upstream of O,stacles

:a9e hei+ht dierence o order 1&B


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#oda$%s &"e!da

9eal life: .t Fra!cis Dam Brea Model



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.t Fra!cis Dam0%aasro"hi% failure !ar%h 12h1245

05/15/2014 2=FLOW-D - Modeli!" Dam Breaches

Domai! is K =0m ' 50m

#opo"raph$ resoled o! cells 15m'15


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05/15/2014 2


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.t Fra!cis Dam J .hallo) Water0%aasro"hi% failure !ar%h 12h1245

.hallo) Water Model i! FLOW-3D

#he e'te!t to )hich the topo"raph$ is a,le to slo) do)!% the)ater colm! a,oe is "oer!ed ,$ a dra) %oe6%ien

&lter!atie formlatio! is to deA!e a 7surfa%e rou)hnesscoecie!t8

;ither )a$ these eatio!s parameteriGe the eNect of the"ro!d%s srface o! the ?o)%s pro"ressio!

! this case it tr!s ot defalt ro"h!ess ales )orede'tremel$ )ell

& special treatme!t of the co!seratio! of mome!tm rather tha!e!er"$ across h$dralic 7mps allo)s for accrate 7mp modeli!"

+irt H 9ichardso! 1


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Mltiple e'perime!ts for the .hallo) )ater case

9a!"e of dra" coecie!ts 08002> to 080040

9a!"e of srface ro"h!ess 08005 to 081

Looed at arrial times at diNere!t statio!s do)!stream

Looed at "rid co!er"e!ce eNect of "rid reA!eme!t

120m ' 120m >0m ' >0m 0m ' 0m 15m ' 15m

Looed at )ae hei"ht e'te!t of ?ood Go!e:

Fll prese!tatio! at the &ssociatio! of .tate Dam .afet$ Ocials 2014co!fere!ce .eptem,er 21-25 20148



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05/15/2014 =FLOW-D - Modeli!" Dam Breaches9erlay o FLOW-3D*hallow :ater *olution o9er -harles ee Ma$ Ecirca 125 caution!F


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& "5&&& 1&5&&& 1"5&&& 2&5&&& 2"5&&&

1.&

1."

2.&

2."

3.&

3."

).&

)."

".&

+$dro"raph at .tatio! ; for .hallo) Water Model -si!" A'ed Cd O 08002>6rid / Mesh .iGe Co!4er"e!ce .t-d$

1"m cells 3&m cells 0&m cells 12&m cells bser9ed ,

#ime after Dam fail-re seco!ds

Water depth meters

A%ual o&ser'ed wa'e arri'al iA Sana 8aula 9rid)e

0a&ou : of he way o he %oas5


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& "5&&& 1&5&&& 1"5&&& 2&5&&& 2"5&&&

&.&

".&

1&.&

1".&

2&.&

2".&

3&.&3".&

)&.&

)".&

&rrial times si!" .hallo) Water ;atio!sFi'ed Cd 08002> "rid 15m ' 15m

Dam *tation A *tation / *tation - *tation D

*tation , *tation *tation H bser9ed A bser9ed /

bser9ed - bser9ed D bser9ed , bser9ed bser9ed H

#ime seco!ds

Water depth meters

relia,leE data poi!trelia,leE data poi!t


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& "&& 15&&& 15"&& 25&&& 25"&& 35&&& 35"&&

&

1&&5&&&

2&&5&&&

3&&5&&&

)&&5&&&

"&&5&&&

0&&5&&&

#&&5&&&

&&5&&&

olme Flo) 9ate at Dam a!d @o)erstatio! 2c-f / s

9olume fow rate at dam 9olume fow rate at $owerstation 2

ote historical estimate was I)&&5&&& cu6tJs $ea8 dischar+e at$ower station 2


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.t Fra!cis Dam J Fll D0%aasro"hi% failure !ar%h 12h1245


ULL D MOD;L36 OF #+; D&M F&LU9


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05/15/2014 4=FLOW-D - Modeli!" Dam Breaches


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.t Fra!cis Dam J Fll D s .hallo) Water0%aasro"hi% failure !ar%h 12h1245

05/15/2014 4


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*hallow :ater K 3&m mesh K t L 12&&s ybrid 3D solution t L 12&&s


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*hallow :ater K 3&m mesh K t L 0&&s 3D solution K t L 0&&s


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*hallow :ater K 3&m mesh K t L 0&&s 3D solution K t L 0&&s


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.t Fra!cis Dam J )ith 6e!eral Moi!" O,7ect0%aasro"hi% failure !ar%h 12h1245



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&t this poi!t still a little a!ecdotal:

#he possi,ilities are i!tri"i!"8

Deseres more e'perime!tatio!:

Com,i!i!" )ith the scor model particlarl$ promisi!"P


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05/15/2014FLOW-D - Modeli!" Dam Breaches 5=

.edime!t .cor a!d

Depositio! Modelcompletel$ pdated i!

FLOW-D 11!cldes mlti-species drift-

?' depositio!e!trai!eme!t a!d scor


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&dditio! of .edime!t a!d .cor Model

05/15/2014 5


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.t Fra!cis Dam J +$,rid Model0%aasro"hi% failure !ar%h 12h1245

05/15/2014 >0FLOW-D - Modeli!" Dam Breaches

B9D D MOD;L36 OF #+; D&M F&LU


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.t Fra!cis DamJ +$,rid Model0%aasro"hi% failure !ar%h 12h1245


he domain is s$lit between a hi+h resolution 3D solution nearthe Dam Ereachin+ a$$ro7imately "8m downstream o the

breachF

he remainder o the domain is resol9ed usin+ FLOW-3D4s*hallow :ater model


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.t Fra!cis Dam J +$,rid Model0%aasro"hi% failure !ar%h 12h1245



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& "5&&& 1&5&&& 1"5&&& 2&5&&& 2"5&&&

1.&

1."

2.&

2."

3.&

3."

).&

)."

".&

+$dro"raph at .tatio! ; for .hallo) Water Model -si!" A'ed Cd O 0802>6rid / Mesh .iGe Co!4er"e!ce .t-d$

With &dditio!al Data( +$,rid >0m Model D >m / .hallo) Water

1"m cells 3&m cells 0&m cells 12&m cells bser9ed , Mybrid

#ime after Dam fail-re seco!ds

Water depth meters


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05/15/2014 >>FLOW-D - Modeli!" Dam Breaches

150&& 15&& 25&&& 252&& 25)&& 250&& 25&& 35&&& 352&& 35)&& 350&&

&

1

1

2

2

3

3

+$dro"raph at .tatio! B.hallo) Water 0m / D +$,rid 5m ' 40m

*: 3& " )&

& "&& 15&&& 15"&& 25&&& 25"&& 35&&& 35"&& )5&&&

&

"

1&

1"

2&

2"

3&

+$dro"raph at .tatio! &

.hallo) Water 0m / D +$,rid 5m ' 40m

" )& *: 3&


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Co!clsio!s

Oerie) of diNere!t modeli!" optio!s i! FLOW-3Dto tacle dam ,reaee!ts8

! ma!$ cases FLOW-3Dsshallo) )ater model )ill do a! e'celle!t 7o,8

FLOW-3Dsshallo) )ater model does er$ )ell o! captri!" h$dralic 7mpsa!d )ae re?ectio!s8

FLOW-3Ddispla$s a stro!" co!siste!c$ across models( D .hallo) Water+$,rid J the$ i!terface seamlessl$ are fast a!d accrate the reslts areco!siste!t:

Catio!: For the detail of spill)a$s )eirs e!er"$ dissipaters pe!stocs etcPthere are !o "ood shortcts hi"hl$ resoled D models are a mst:



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#ha! $o:

.ee $o i! .a! Die"o for &.D.O 2014:

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05142014 Dam Break Webinar Final