Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

1w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Intr

oduc

tion

to

CFD

-GEO

M

Dr.

Chr

isto

ph Z

iegl

er, D

r. Pe

ter K

olta

y, P

rof.

Dr.

Rol

and

Zeng

erle

IMTE

KIn

stitu

tfür

Mik

rosy

stem

tech

nik;

Alb

ert-L

udw

igs-

Uni

vers

itätF

reib

urg;

G

eorg

es-K

öhle

r-A

llee

106;

D-7

9110

Fre

ibur

g; G

erm

any

E-M

ail:

zieg

ler@

imte

k.de

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

2w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Out

line

hTh

e C

FD-A

CE+

Pac

kage

hS

tarti

ng th

e To

ol

hTu

toria

ls Tuto

rial 1

: Circ

les

& P

ipes

Tuto

rial 2

: Com

plia

nt O

rific

e

Tuto

rial 3

: Tes

la V

alve

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

3w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

CFD

RC

-AC

E+ (h

ttp://

ww

w.c

fdrc

.com

)

hC

FD-G

EO

M:

Gen

erat

e or

impo

rt ge

omet

ry fr

om C

AD

dat

aC

reat

e m

esh

(stru

ctur

ed, u

nstru

ctur

ed, a

utom

atic

)h

CFD

-GU

I (G

raph

ical

Use

r Int

erfa

ce):

Sel

ect m

odul

es (W

hich

PD

E a

re s

olve

d?)

Set

BC

and

num

eric

al p

aram

eter

s (ti

me-

step

, CFL

, rel

ax, e

tc.)

Sta

rt an

d co

ntro

l sol

ver C

FD-A

CE

hC

FD-V

IEW

:V

isua

lisat

ion

and

Eva

luat

ion

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

4w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Mod

el G

ener

atio

n

The

proc

ess

of m

odel

gen

erat

ion

is a

n es

sent

ial p

art o

f the

sim

ulat

ion!

A s

imul

atio

n is

onl

y as

goo

d as

the

unde

rlyin

g m

odel

! ->

Thin

k ab

out i

t!

•Det

erm

inat

ion

of th

e sy

stem

bou

ndar

ies

(Whe

re d

oes

the

syst

em

star

t and

end

? W

hat b

elon

gs to

it?)

-> G

EO

M

•Ide

ntifi

catio

n of

the

rele

vant

effe

cts

(Wha

t phy

sica

l pro

cess

es n

eed

to b

e co

nsid

ered

? Fl

uid

flow

? H

eat t

rans

fer?

Che

mic

al re

actio

ns?

etc.

)

-> G

UI

•Det

erm

inat

ion

of th

e m

odel

par

amet

ers

(sha

pe, s

ize,

mat

eria

l, ac

tuat

ion

etc.

) ->

GE

OM

, GU

I

•Mat

hem

atic

al fo

rmul

atio

n of

the

mod

el(in

com

mer

cial

tool

s th

is is

us

ually

don

e by

the

solv

er, t

he u

ser o

nly

has

to s

et th

e pa

ram

eter

s an

d bo

unda

ry c

ondi

tions

)

•Tak

ing

inte

ract

ions

of e

ffect

s in

to a

ccou

nt =

> m

ulti

phys

ics

mod

elin

g

•Red

ucin

g th

e co

mpl

exity

=>

mod

el re

duct

ion

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

5w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

CFD

Sof

twar

e To

ols

Grid

Gen

erat

or:

View

er:

(Pre

-pro

cess

or)

(Pos

t-pro

cess

or)

Solv

er:

hD

ata

eval

uatio

nh

Dat

a vi

sual

izat

ion

Toda

y:

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

6w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Geo

met

ry &

Grid

Gen

erat

ion:

(Pre

-pro

cess

or)

hS

impl

e C

AD

-Too

lh

Non

-sca

led

draw

ing

(sca

ling

is d

one

in G

UI)

hIm

port

of C

AD

dat

ah

(Aut

omat

ed) m

esh

gene

ratio

nh

Par

amet

ric m

eshe

sh

Geo

met

rical

bou

ndar

y co

nditi

ons

(e.g

. wal

l, in

let,

outle

t, sy

mm

etry

, flu

id, s

olid

…)

hJo

urna

ling

with

Pyt

hon

(http

://w

ww

.pyt

hon.

org)

CFD

-Geo

m

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

7w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Star

ting

the

tool

hTh

e C

FD-A

CE

+ P

acka

ge

hSt

artin

g th

e To

olh

Tuto

rials Tu

toria

l 1: C

ircle

s &

Pip

es

Tuto

rial 2

: Com

plia

nt O

rific

e

Tuto

rial 3

: Tes

la V

alve

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

8w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Setu

p &

Sta

rtin

gC

FD-G

EOM

Use

the

follo

win

gen

viro

nmen

t:h

KD

Eh

Ope

n a

shel

lh

Type

in s

hell:

setup

cfdrc

hS

tarti

ngth

eto

ols:

CFD-GEOM &

CFD-VIEW &

CFD-ACE-GUI &

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

9w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Tuto

rials

hTh

e C

FD-A

CE

+ P

acka

ge

hS

tarti

ng th

e To

ol

hTu

toria

lsTu

toria

l 1: C

ircle

s &

Pip

es

Tuto

rial 2

: Com

plia

nt O

rific

e

Tuto

rial 3

: Tes

la V

alve

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

10w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Tuto

rials

Whe

reto

find

the

tuto

rials

on th

elo

calm

achi

ne:

hM

ove

up to

root

dire

ctor

yh

Cha

nge

to: u

ser/l

ocal

/CFD

RC

hTh

ere

are

all t

utor

ials

for

CFD

-GE

OM

CFD

-GU

IC

FD-V

IEW

...

Not

e: S

ome

tuto

rials

are

from

form

erso

ftwar

e-ve

rsio

ns. T

hus

som

ebu

tton/

func

tions

are

diffe

rent

.

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

11w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Mou

se a

nd K

eybo

ard

func

tions

hM

ouse

-but

tons

Left

Mid

dle

Rig

htS

hift

+ Le

fth

Key

boar

dQ

/ E

sc

Strg

+ G

Strg

+ A

Strg

+ S

...

Clic

k/ H

old

hK

esS

elec

t/ R

otat

esc

reen

App

ly/ Z

oom

scr

een

Men

u / M

ove

scre

enS

elec

tobj

ects

in a

rea

Qui

tsth

efu

nctio

nyo

uar

eus

ing

/ des

elec

tsth

em

arke

dob

ject

Zoom

s to

tota

l vie

wS

elec

tall

Sav

eS

ome

othe

rsar

eal

so a

vaila

ble

butu

sual

lyno

tne

eded

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

12w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Circ

les

& P

ipes

hTu

toria

l3: C

ircle

san

d P

ipes

hG

oals

:C

reat

eci

rcle

san

d pi

pes

Use

the

revo

lve

and

rota

tege

omet

ryto

ols

Cre

ate

bloc

ksby

trans

latio

nan

d ro

tatio

nO

rient

blo

cks

Cre

ate

com

posi

tebl

ocks

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

13w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Com

plia

nt O

rific

e

hTu

toria

l7: G

rid G

ener

atio

n fo

rCom

plia

ntO

rific

eFS

I Pro

blem

hG

oals

:C

reat

eba

sic

geom

etry

(poi

nts/

lines

/arc

s)C

reat

ean

d us

epa

ram

eter

sto

con

trolg

eom

etry

.M

odify

basi

cge

omet

ryfo

rgrid

ding

purp

oses

.C

reat

e2D

stru

ctur

edgr

iden

titie

s(e

dges

/face

s/bl

ocks

)C

reat

e2D

uns

truct

ured

grid

entit

ies

(loop

s/ 2

D u

nstru

ctur

eddo

mai

ns).

Gen

erat

e2D

uns

truct

ured

grid

.M

odify

the

grid

syst

em to

impr

ove

grid

qual

ity.

Set

up b

ound

ary

cond

ition

s.S

etup

vol

ume

cond

ition

s.S

ave

grid

syst

em to

a D

TF fi

le.

Praxisbeispiel: Ausarbeitungspha

Ausarbeitung der Standard-Zelle

Chr

isto

phZi

egle

r/Pet

er K

olta

y/ 2

7.10

.200

8/ s

lide

14w

ww

.imte

k.de

/anw

endu

ngen

Intro

duct

ion

to C

FD W

S 0

8/09

Tesl

a Va

lve

hTu

toria

l18:

Tes

la V

alve

hG

oals

:C

reat

e2D

and

3D

geo

met

ryus

ing

extru

sion

Set

up e

dge

link

grou

psM

odify

grid

spac

ing

forg

ridqu

ality

Set

up

boun

dary

cond

ition

sS

ave

GG

D a

nd D

TF fi

les