maxwell and hfss coupling to ansys 12.0

36
© 2009 ANSYS, Inc. All rights reserved. 1 ANSYS, Inc. Proprietary © 2009 ANSYS, Inc. All rights reserved. 1 ANSYS, Inc. Proprietary Maxwell and HFSS Coupling to ANSYS 12.0 Maxwell and HFSS Coupling to ANSYS 12.0 Martin Vogel, PhD Product Management Martin Vogel, PhD Product Management

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Page 1: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

1A

NS

YS, I

nc. P

ropr

ieta

ry©

2009

AN

SYS

, Inc

. A

ll rig

hts

rese

rved

.1

AN

SYS

, Inc

. Pro

prie

tary

Ma

xw

ell

an

d H

FS

S

Co

up

lin

g t

o A

NS

YS

12

.0M

ax

we

ll a

nd

HF

SS

C

ou

pli

ng

to

AN

SY

S 1

2.0

Mar

tin V

ogel

, PhD

Prod

uct M

anag

emen

t

Mar

tin V

ogel

, PhD

Prod

uct M

anag

emen

t

Page 2: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

2A

NS

YS, I

nc. P

ropr

ieta

ry

Wh

y c

ou

ple

sim

ula

tors

fo

r e

lec

tro-

ma

gn

eti

cs

an

d m

ult

i-p

hys

ics?

Cou

rtesy

of

Ele

ctro

nics

pro

duce

hea

t, w

hich

can

cau

se m

alfu

nctio

ns.

Page 3: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

3A

NS

YS, I

nc. P

ropr

ieta

ry

Ex

isti

ng

Ele

ctr

om

ag

ne

tic

s –

Mu

ltip

hys

ics

Lin

ks

Ele

ctro

mag

netic

sim

ulat

ors:

HFS

S

Max

wel

lS

Iwav

e

AN

SY

S M

echa

nica

lTh

erm

al S

olve

rsA

NS

YS

ICE

PA

Kco

olin

g of

elec

troni

cs

AN

SY

S F

LUE

NT

Ther

mod

ynam

ics

and

fluid

flow

AN

SY

S M

echa

nica

lS

tress

Sol

ver

Page 4: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

4A

NS

YS, I

nc. P

ropr

ieta

ry

Ex

am

ple

1R

ayt

he

on

Hig

h-P

ow

er

Co

nn

ec

tor

Mic

rost

rip te

rmin

ated

by

shor

ting

diod

eC

oppe

r hou

sing

Kov

ar a

nd g

lass

Mor

e co

nnec

tor,

gold

, Tef

lon

Sem

i-rig

id c

oaxi

al c

able

, silv

er, T

eflo

n, c

oppe

r

Por

t

Page 5: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

5A

NS

YS, I

nc. P

ropr

ieta

ry

Cro

ss s

ec

tio

n o

f c

riti

ca

l p

art

:M

icro

stri

p

G

old

pin

Ko

var

G

lass

Air

Te

flo

nG

old

pin

Page 6: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

6A

NS

YS, I

nc. P

ropr

ieta

ry

Be

fore

tu

rnin

g p

ow

er

on

Cou

rtesy

of

Co-

axia

l pin

con

nect

ing

to m

icro

strip

trac

e

Page 7: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

7A

NS

YS, I

nc. P

ropr

ieta

ry

So

on

aft

er

turn

ing

po

we

r o

n

Cou

rtesy

of

Exc

essi

ve h

eat h

as d

estro

yed

the

conn

ecto

r.

Page 8: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

8A

NS

YS, I

nc. P

ropr

ieta

ry

An

aly

ze t

he

mo

de

l in

HF

SS

Pin

con

nect

ing

to tr

ace

Page 9: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

9A

NS

YS, I

nc. P

ropr

ieta

ry

Ex

po

rt i

nfo

fro

m H

FS

S

•Geo

met

ry, e

.g. i

n ST

EP fo

rmat

•Sm

all f

ile w

ith li

nk in

fo

Page 10: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

10A

NS

YS, I

nc. P

ropr

ieta

ry

Re

qu

est

th

erm

al

sim

ula

tio

n(s

) in

W

ork

be

nc

h.

Imp

ort

th

e g

eo

me

try.

Page 11: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

11A

NS

YS, I

nc. P

ropr

ieta

ry

Sp

ec

ify

volu

me

an

d s

urf

ac

e l

oss

es.

W

ork

be

nc

h w

ill

ac

ce

ss H

FS

S.

HFS

S V

olum

e lo

ssH

FSS

Sur

face

Los

s

Sim

ply

pick

ed a

ll m

etal

face

s

Page 12: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

12A

NS

YS, I

nc. P

ropr

ieta

ry

Ad

d b

ou

nd

ary

co

nd

itio

ns

for

co

nve

cti

on

an

d c

oo

lin

g.

Con

vect

ion

on m

any

face

sC

oolin

g on

bot

tom

face

Page 13: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

13A

NS

YS, I

nc. P

ropr

ieta

ry

Te

mp

era

ture

re

ac

he

s a

lmo

st

30

0 d

eg

C i

n k

ova

r a

nd

gla

ss.

Page 14: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

14A

NS

YS, I

nc. P

ropr

ieta

ry

Tra

nsi

en

t si

mu

lati

on

giv

es

sam

e

fin

al

tem

pe

ratu

re a

fte

r 2

0 s

ec

on

ds.

Page 15: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

15A

NS

YS, I

nc. P

ropr

ieta

ry

Use

on

e o

f th

e t

he

rma

l so

luti

on

s a

s in

pu

t fo

r a

str

uc

tura

l a

na

lysi

s.

Page 16: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

16A

NS

YS, I

nc. P

ropr

ieta

ry

De

form

ati

on

up

to

2 µ

m

Page 17: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

17A

NS

YS, I

nc. P

ropr

ieta

ry

Str

ess

mo

stly

in

in

ne

r c

on

du

cto

r

Page 18: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

18A

NS

YS, I

nc. P

ropr

ieta

ry

Fin

ali

ze t

he

de

sig

n.

•Kov

ar, r

espo

nsib

le fo

r the

hig

h te

mpe

ratu

res,

ha

s be

en re

plac

ed b

y a

diffe

rent

met

al.

•Tem

pera

ture

s m

ay s

till b

e hi

gh, w

hich

Tef

lon

cann

ot h

andl

e. A

ccur

ate

anal

ysis

wan

ted.

•Inv

olve

CFD

to a

naly

ze th

e co

olin

g.•U

se th

e tw

o-w

ay th

erm

al c

oupl

ing

to a

ccou

nt

for t

empe

ratu

re-d

epen

dent

mat

eria

ls.

Page 19: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

19A

NS

YS, I

nc. P

ropr

ieta

ry

Use

CF

D t

o d

ete

rmin

e t

he

fil

m c

oe

ffic

ien

t fo

r th

e w

ate

r c

oo

lin

g a

t th

e b

ott

om

. Con

vect

ion

on m

any

face

sC

oolin

g on

bot

tom

face

Page 20: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

20A

NS

YS, I

nc. P

ropr

ieta

ry

Co

nn

ec

tor

arr

ay

wit

h w

ate

r c

oo

lin

g

Wat

er,

velo

city

1 ft

/s

Page 21: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

21A

NS

YS, I

nc. P

ropr

ieta

ry

Me

sh i

n F

lue

nt

Page 22: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

22A

NS

YS, I

nc. P

ropr

ieta

ry

Flu

en

t ve

loc

ity

resu

lts

Page 23: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

23A

NS

YS, I

nc. P

ropr

ieta

ry

Flu

en

t te

mp

era

ture

re

sult

s

Page 24: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

24A

NS

YS, I

nc. P

ropr

ieta

ry

Re

pla

ce

wa

ter

co

oli

ng

b

y fi

lm c

oe

ffic

ien

ts

Film

coe

ffici

ent r

ange

s fro

m 5

700

to 2

300

W/(m

2K

) dep

endi

ng o

n po

sitio

n.

Page 25: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

25A

NS

YS, I

nc. P

ropr

ieta

ry

Wh

y tw

o-w

ay

the

rma

l?T

efl

on

lo

ss t

an

ge

nt

inc

rea

ses

wit

h t

em

pe

ratu

re.

Ru

n-a

wa

y e

ffe

ct

po

ssib

le.

Gla

ss tr

ansi

tion

Page 26: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

26A

NS

YS, I

nc. P

ropr

ieta

ry

Tw

o-w

ay

the

rma

l li

nk

An

soft

–W

ork

be

nc

h “

Me

ch

an

ica

l”

Sol

ve in

Ans

oft a

t ini

tial t

empe

ratu

re.

Exp

ort e

lect

rom

agne

tic

loss

to W

B “M

echa

nica

l”.

Det

erm

ine

tem

pera

ture

s in

WB

“Mec

hani

cal”.

Exp

ort t

empe

ratu

res

to H

FSS

.M

ater

ial p

aram

eter

s ch

ange

.

Sol

ve in

Ans

oft w

ith

new

tem

pera

ture

s.

ǻT

< th

resh

old?

Don

e

No

Yes

Page 27: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

27A

NS

YS, I

nc. P

ropr

ieta

ry

Tw

o-w

ay

the

rma

l a

na

lysi

s:

Fin

al

tem

pe

ratu

res

wit

h n

orm

al

Te

flo

n

Page 28: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

28A

NS

YS, I

nc. P

ropr

ieta

ry

EM

Po

we

r L

oss

es

as

fun

cti

on

of

two-

wa

y th

erm

al

ite

rati

on

Volume�Loss�in

�norm

al�Teflon

Surface�Loss�on�m

etals

Vol

ume

Loss

in lo

w-lo

ss T

eflo

n

Page 29: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

29A

NS

YS, I

nc. P

ropr

ieta

ry

Te

mp

era

ture

s a

s fu

nc

tio

n o

f tw

o-w

ay

the

rma

l it

era

tio

n

T maxNorm

al�Teflon

T max

Low

-Los

s Te

flon

T minNorm

al�Teflon

T min

Low

-Los

s Te

flon

Page 30: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

30A

NS

YS, I

nc. P

ropr

ieta

ry

Tw

o-w

ay

the

rma

l a

na

lysi

s:F

ina

l te

mp

era

ture

s w

ith

lo

w-l

oss

Te

flo

n

Page 31: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

31A

NS

YS, I

nc. P

ropr

ieta

ry

Ex

am

ple

2,

wit

h A

nso

ft M

ax

we

ll:

ba

tte

ry c

ha

rge

r fo

r m

ed

ica

l im

pla

nts

Tita

nium

cas

e,im

plan

ted

in b

ody

Coi

l out

side

bod

y, o

n sk

in,

pow

ered

by

exte

rnal

sou

rce

Coi

l in

impl

ant,

indu

ctiv

ely

coup

led,

pick

s up

pow

er to

char

ge b

atte

ry

Ele

ctro

nics

Bat

tery

Page 32: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

32A

NS

YS, I

nc. P

ropr

ieta

ry

Ind

uc

ed

cu

rre

nt

ha

s m

ax

imu

m a

t 5

0 k

Hz.

Lim

ited

by lo

sses

in c

oil

Li

mite

d by

ski

n ef

fect

in ti

tani

um c

ase

Max

imum

Page 33: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

33A

NS

YS, I

nc. P

ropr

ieta

ry

Ma

gn

eti

c f

ield

co

up

lin

g

Indu

ced

curr

ents

in s

econ

d co

il re

duce

the

mag

netic

fiel

d he

re.

This

is th

e in

tend

ed b

ehav

ior.

Page 34: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

34A

NS

YS, I

nc. P

ropr

ieta

ry

Fin

al

tem

pe

ratu

re a

t 5

0 k

Hz

Due

to s

kin

effe

ct in

tita

nium

, tem

pera

ture

exc

eeds

43

deg

C a

fter a

few

min

utes

. Th

is w

ould

be

unco

mfo

rtabl

e an

d pr

obab

ly v

iola

tes

safe

ty re

gula

tions

.

Max

imum

43.

8 0 C

Page 35: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

35A

NS

YS, I

nc. P

ropr

ieta

ry

Fin

al

tem

pe

ratu

re a

t 1

0 k

Hz

At 1

0 kH

z, fi

nal t

empe

ratu

re is

saf

e. S

econ

dary

coi

l pic

ks u

p ab

out a

s m

uch

pow

er,

but s

kin

effe

ct h

eats

the

titan

ium

cas

e m

uch

less

.

Max

imum

38.

4 0 C

Page 36: Maxwell and HFSS Coupling to ANSYS 12.0

©20

09 A

NS

YS, I

nc.

All

right

s re

serv

ed.

36A

NS

YS, I

nc. P

ropr

ieta

ry

Co

nc

lusi

on

s

•Lin

ks b

etw

een

HFS

S/M

axw

ell a

nd A

NSY

S W

orkb

ench

are

ava

ilabl

e in

the

grap

hica

l use

r in

terf

aces

-> e

asy

to s

et u

p.•A

dvan

ced

appl

icat

ions

can

be

hand

led.