24
0 Overview of the Plasma Science and Innovation Center (PSI – Center) Thomas R. Jarboe 1 , Adam Bayless 2 , Eric Held 3 , Jeong-Young Ji 3 , Charlson Kim 1 , Angus Macnab 1 , George Marklin 1 , Richard D. Milroy 1 , Brian A. Nelson 1 , Uri Shumlak 1 , Carl Sovenic 2 , Srinath Vadlamani 1 , and Simon Woodruff 1 1 University of Washington, Seattle, Washington 98195 2 University of Wisconsin, Madison, Wisconsin 53706 3 Utah State University, Logan, Utah 84322 http://psicenter.org/

1 3 , Jeong-Young Ji , Richard D. Milroy Overview of the ...icc2006.ph.utexas.edu/uploads/118/jarboeicc2006.pdfReconnection, Relaxation Physics A clear understanding of magnetic reconnection

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Ove

rvie

w o

f the

Pla

sma

Scie

nce

and

Inno

vatio

n C

ente

r(P

SI –

Cen

ter)

Thom

as R

. Jar

boe1 ,

Ada

m B

ayle

ss2 ,

Eric

Hel

d3 , Je

ong-

You

ngJi

3 , C

harls

onK

im1 ,

Ang

us M

acna

b1 , G

eorg

e M

arkl

in1 ,

Ric

hard

D. M

ilroy

1 , B

rian

A. N

elso

n1 , U

ri Sh

umla

k1 , C

arl S

oven

ic2 ,

Srin

ath

Vad

lam

ani1 ,

and

Sim

on W

oodr

uff1

1 Uni

vers

ity o

f Was

hing

ton,

Sea

ttle,

Was

hing

ton

9819

52 U

nive

rsity

of W

isco

nsin

, Mad

ison

, Wis

cons

in 5

3706

3 Uta

h St

ate

Uni

vers

ity, L

ogan

, Uta

h 84

322

http://psicenter.org/

10-2

4-05

1

Abs

tract

The

Plas

ma

Scie

nce

and

Inno

vatio

n C

ente

r (PS

I-C

ente

r) h

as re

cent

ly fo

rmed

. T

he p

rinci

pal

goal

of t

he P

SI-C

ente

r is

to a

chie

ve s

igni

fican

tly im

prov

ed p

redi

ctiv

e ca

pabi

lity

for s

mal

ler-

scal

e de

vice

s. T

his

is b

eing

acc

ompl

ishe

d th

roug

h th

e re

finem

ent o

f exi

stin

g co

mpu

tatio

nal

tool

s by

add

ing

suff

icie

nt p

hysi

cs m

odel

ing,

bou

ndar

y co

nditi

ons,

and

geom

etric

cap

abili

ties

to b

ench

mar

k re

sults

aga

inst

exp

erim

enta

l dat

a. T

he d

evel

opm

ents

em

phas

ize

the

mod

elin

g ne

eds

of e

mer

ging

con

cept

(EC

) ex

perim

ents

, but

im

prov

ed s

imul

atio

n ca

pabi

litie

s fo

r al

l in

nova

tive

conf

inem

ent

conc

epts

(IC

C)

are

expe

cted

. A

spe

cial

em

phas

is i

s pl

aced

on

phys

ics

effe

cts

that

may

ext

end

beyo

nd t

he s

tand

ard

anal

ysis

app

lied

to t

he m

ainl

ine

prog

ram

s. T

he P

SI-C

ente

r is

pre

sent

ly c

once

ntra

ting

on f

ive

focu

s ar

eas

that

hav

e be

en

iden

tifie

d as

bei

ng v

ery

impo

rtant

for

var

ious

EC

exp

erim

ents

. Th

e ke

y ph

ysic

s is

sues

are

: 1)

tw

o flu

id /

Hal

l ph

ysic

s, 2)

kin

etic

and

FLR

eff

ects

, 3)

rec

onne

ctio

n an

d re

laxa

tion

phys

ics,

4) tr

ansp

ort,

atom

ic p

hysi

cs, n

eutra

ls, a

nd ra

diat

ion,

and

5) b

ound

ary

cond

ition

s an

d ge

omet

ry.

All

of th

ese

effe

cts

are

also

impo

rtant

in m

ainl

ine

fusi

on d

evic

es, b

ut o

ne o

r mor

e te

nd to

dom

inat

e in

par

ticul

ar E

C c

onfig

urat

ions

. In

som

e ca

ses,

impo

rtant

eff

ects

may

resu

lt fr

om h

igh-

freq

uenc

y el

ectro

n dy

nam

ics

or k

inet

ic e

ffec

ts t

hat

can

not

be c

alcu

late

d fr

om

first

-prin

cipl

es i

n a

prac

tical

man

ner

durin

g gl

obal

sim

ulat

ions

. H

ere,

wel

l be

nchm

arke

d ph

enom

enol

ogic

al m

odel

ing

may

be

the

best

app

roac

h fo

r som

e ap

plic

atio

ns.

10-2

4-05

2

Abs

tract

-Con

tTh

ere

are

num

eric

al s

imul

atio

n co

des

havi

ng s

ome

subs

et o

f th

ese

impo

rtant

fea

ture

s, bu

t no

exi

stin

g co

de c

over

s al

l of t

he s

peci

al n

eeds

of i

nnov

ativ

e/em

ergi

ng c

once

pts.

We

plan

to

dev

elop

the

need

ed fe

atur

es w

ithin

exi

stin

g co

des t

o av

oid

the

reso

urce

requ

irem

ents

and

de

lays

ass

ocia

ted

with

dev

elop

ing

com

plet

ely

new

mod

els.

We

have

sta

rted

with

tw

o co

des:

1)

NIM

RO

D1

whi

ch is

a 3

D c

ode

that

is p

erio

dic

in o

ne d

imen

sion

and

em

ploy

s fin

ite e

lem

ents

in th

e ot

her

two

dim

ensi

ons;

and

2)

MH

4D-li

ke2

whi

ch e

mpl

oys

a fu

ll 3D

un

stru

ctur

ed m

esh.

Whi

le

the

entir

e EC

com

mun

ity i

s in

vite

d to

par

ticip

ate

in t

his

Cen

ter,

nine

EC

expe

rimen

tal

prog

ram

s[1)

Cal

tech

rec

onne

ctio

n ex

perim

ents

, 2)

FR

X-L

, 3)

HIT

-SI,

4)

MB

X, 5

) PH

D, 6

) SS

PX, 7

) SS

X, 8

) TC

S, a

nd 9

) Za

P] a

nd M

ST a

re p

rovi

ding

the

initi

al

data

base

and

test

bed

for t

he th

eore

tical

and

com

puta

tiona

l eff

orts

of t

he P

SI-C

ente

r. T

hese

ni

ne e

xper

imen

ts a

re:.

Thi

s se

t of e

xper

imen

ts h

as m

any

over

lapp

ing

area

s of

phy

sics

that

co

mpl

emen

t the

PSI

-Cen

ter’

s fo

cus.

Exp

erim

enta

l dat

a w

ill b

e us

ed to

test

and

cal

ibra

te

the

num

eric

al p

redi

ctio

ns g

ener

ated

by

the

com

puta

tiona

l too

ls d

evel

oped

by

the

Cen

ter.

1 C.R

. Sov

inec

, A.H

.Gla

sser

, T.A

.Gia

nako

n, D

.C. B

arne

s, R

.A.N

ebel

, S.E

. Kru

ger,

D.D

.Sch

nack

, S.J.

Plim

pton

, A.T

ardi

ti, M

.S.C

huan

d th

e N

IMR

OD

Tea

m,

"Non

linea

r m

agne

tohy

drod

ynam

ics

sim

ulat

ion

usin

g hi

gh-o

rder

fin

ite e

lem

ents

", J

. C

omp.

Phy

s. 19

5, 3

55

(200

4)2 S

chna

ck, D

. D.,

and

Lion

ello

, R. E

os T

rans

. AG

U,8

5(47

), Fa

ll M

eet.

Supp

l., A

bstra

ctSH

13A

-115

8

10-2

4-05

3

Mis

sion

In c

once

rt w

ith p

lasm

a ph

ysic

s exp

erim

ents

, ref

ine

and

optim

ize

exis

ting

MH

D c

odes

to a

chie

ve si

gnifi

cant

ly

impr

oved

pre

dict

ive

capa

bilit

y.

–C

olla

bora

te c

lose

ly w

ith e

xper

imen

tal g

roup

s to

test

and

cal

ibra

te

code

s by

utili

zing

dat

a fr

om se

vera

l.–

Add

suff

icie

nt p

hysi

cs, b

ound

ary

cond

ition

s, an

d ge

omet

ric

capa

bilit

ies t

o be

nchm

ark

resu

lts a

gain

st e

xper

imen

tal d

ata.

–To

the

grea

test

ext

ent p

ossi

ble,

use

exi

stin

g co

des a

nd c

ode

deve

lopm

ent o

f the

mai

nlin

e pr

ogra

ms.

–Fa

cilit

ate

info

rmat

ion

exch

ange

with

col

labo

ratin

g pa

rtner

s

10-2

4-05

4

App

roac

h

To m

ake

the

fast

est p

rogr

ess,

we

will

impr

ove

exis

ting

code

s ins

tead

of b

uild

ing

new

one

s.–

NIM

RO

A p

rove

n m

acro

scop

ic si

mul

atio

n co

de h

avin

g se

vera

l crit

ical

fe

atur

es fo

r EC

exp

erim

ent m

odel

ing.

»Th

e “N

IMR

OD

Tea

m”

cont

inue

s to

enha

nce

this

cod

e w

ith

feat

ures

of i

nter

est t

o th

e EC

com

mun

ity –

as w

ell a

s the

m

ainl

ine

prog

ram

.–

MH

4D-li

ke»

Empl

oys a

n un

stru

ctur

ed 3

D m

esh,

whi

ch is

app

ropr

iate

for

sim

ulat

ing

com

plex

geo

met

ries a

nd n

on-s

ymm

etric

det

ails

such

as

gas

inje

ctio

n an

d di

agno

stic

and

vac

uum

por

ts.

10-2

4-05

5

Key

Phy

sics

Issu

es

Initi

al c

once

ntra

tion

on fi

ve fu

ndam

enta

l iss

ues t

hat

appe

ar e

ssen

tial i

n de

velo

ping

pre

dict

abili

ty fo

r EC

ex

perim

ents

:–

Two

fluid

/ H

all p

hysi

cs–

Kin

etic

and

FLR

eff

ects

–R

econ

nect

ion,

rela

xatio

n ph

ysic

s–

Tran

spor

t, at

omic

phy

sics

, neu

trals

, and

radi

atio

n–

Bou

ndar

y co

nditi

ons a

nd g

eom

etry

10-2

4-05

6

Two

Flui

d / H

all P

hysi

cs

Gen

eral

ized

Ohm

’s la

w:

– –R

esis

tive

MH

D in

clud

es fi

rst t

wo

term

s.–

Third

and

forth

term

s (H

all a

nd

Pe)

are

ofte

n ne

glec

ted.

–H

all e

ffec

t is v

ery

impo

rtant

to p

hysi

cs o

f som

e EC

exp

erim

ents

Lead

s to

toro

idal

fiel

d ge

nera

tion

whe

n a

sphe

rom

ak is

gen

erat

edin

a

coni

cal θ

-pin

ch.

»Is

resp

onsi

ble

for c

urre

nt d

rive

in R

otat

ing

Mag

netic

Fie

ld c

urre

nt

driv

e ex

perim

ents

.–

Acc

urat

e in

clus

ion

of th

ese

term

s is n

umer

ical

ly d

iffic

ult,

and

is

bein

g de

velo

ped

by th

e N

IMR

OD

team

and

the

CEM

M.

()

11

ee

Pen

enη

=−

×+

−∇

+∇⋅Π

EvB

jjB ∇

10-2

4-05

7

Kin

etic

and

FLR

Eff

ects

Kin

etic

and

FLR

eff

ects

are

ver

y im

porta

nt fo

r som

e EC

ex

perim

ents

.–

FRC

s hav

e a

high

β(lo

w fi

eld)

inte

rior w

ith o

nly

a fe

w io

n gy

ro-

radi

i sep

arat

ing

the

mag

netic

nul

l fro

m th

e se

para

trix.

PIC

cod

es a

re to

o tim

e co

nsum

ing

to si

mul

ate

a fu

ll ex

perim

enta

l pul

se.

Incl

ude

som

e ki

netic

/ FL

R e

ffec

ts in

to M

HD

mod

els.

–U

se P

IC to

repr

esen

t a m

inor

ity sp

ecie

s in

hybr

id m

odel

.–

Gyr

ovis

cous

eff

ects

will

be

inco

rpor

ated

into

NIM

RO

D.

Col

labo

rate

with

Ele

na B

elov

a to

inco

rpor

ate

adva

nces

that

sh

e ha

s acc

ompl

ishe

d w

ith th

e H

YM

cod

e.

10-2

4-05

8

Rec

onne

ctio

n, R

elax

atio

n Ph

ysic

s

A c

lear

und

erst

andi

ng o

f mag

netic

reco

nnec

tion

is

esse

ntia

l for

seve

ral E

C c

once

pts.

Rel

axat

ion

is c

halle

ngin

g to

mod

el, s

ince

it re

sults

fr

om fl

uctu

atio

n co

rrel

atio

ns, s

o th

e flu

ctua

tion

turn

over

tim

e-sc

ale

mus

t be

reso

lved

.N

IMR

OD

and

MH

4D w

ill b

e op

timiz

ed fo

r the

co

mpu

tatio

n of

rela

xatio

n ph

ysic

s pro

blem

s.R

ecen

t the

oret

ical

wor

k on

two-

fluid

rela

xatio

n in

hi

gh-β

plas

mas

wou

ld b

enef

it fr

om fi

rst p

rinci

ple

sim

ulat

ions

10-2

4-05

9

Tran

spor

t, A

tom

ic P

hysi

cs, a

nd R

adia

tion

EC e

xper

imen

ts te

nd to

be

rela

tivel

y sm

all a

nd lo

w

tem

pera

ture

.–

Can

be

stro

ngly

aff

ecte

d by

impu

rity

radi

atio

n,

Ioni

zatio

n, c

harg

e ex

chan

ge, n

eutra

l dyn

amic

s, an

d co

llisi

onal

tran

spor

t.

We

will

impl

emen

t an

atom

ic-p

hysi

cs p

acka

ge in

to

the

MH

D m

odel

s.–

We

hope

to ta

ke a

dvan

tage

of e

ffor

ts b

y th

e N

atio

nal

Tran

spor

t Cod

e C

olla

bora

tion

(NTC

C),

and

the

BA

LDU

R im

purit

y ra

diat

ion

mod

el.

10-2

4-05

10

Bou

ndar

y C

ondi

tions

and

Geo

met

ry

Rea

listic

bou

ndar

y co

nditi

ons a

re e

ssen

tial t

o m

ake

quan

titat

ive

com

paris

on w

ith E

C e

xper

imen

ts.

Idea

l con

duct

ing

boun

darie

s are

ofte

n em

ploy

ed in

cod

es b

ut

we

need

to:

–A

ccou

nt fo

r the

fini

te c

ondu

ctiv

ity o

f met

al b

ound

arie

s–

Allo

w fo

r the

insu

latin

g bo

unda

ries e

mpl

oyed

by

som

e EC

s–

Wor

k to

war

d in

clud

ing

real

istic

coi

l geo

met

ries a

nd e

xter

nal c

ircui

t eq

uatio

ns.

–B

e ab

le to

incl

ude

effe

cts o

f a th

in la

yer o

f col

d po

orly

con

duct

ing

plas

ma

clos

e to

a c

ondu

ctin

g bo

unda

ry.

–So

me

expe

rimen

ts h

ave

an in

sula

tor b

etw

een

a cl

ose

fittin

g m

etal

wal

l and

the

plas

ma.

10-2

4-05

11

PSI-

Cen

ter O

rgan

izat

ion

and

Fund

ed

Man

pow

er

Dire

ctor

(Jar

boe)

Dep

uty

(Milr

oy)

FLR

& K

inet

ic

Effe

cts

Milr

oy*

Mac

nab

K

ims

Gra

dstu

dent

Boun

dary

C

ondi

tions

and

Geo

met

ry

Shum

lak

*M

arkl

inV

adla

man

i

Gra

dstu

dent

Two-

Flui

d

Tran

spor

t

Sovi

nec*

W

Hel

dU

Bayl

issW

JiU

Inte

rfac

ing

Gro

up

Nels

on*

G

riffit

hC

assid

yK

ims

Prog

. Adm

inist

rato

r

* Gr

oup

Lead

Wat

Wis

cons

inU

at U

tah

ssh

ared

pos

t-doc

Dire

ctor

(Jar

boe)

Dep

uty

(Milr

oy)

FLR

& K

inet

ic

Effe

cts

Milr

oy*

Mac

nab

K

ims

Gra

dstu

dent

Boun

dary

C

ondi

tions

and

Geo

met

ry

Shum

lak

*M

arkl

inV

adla

man

i

Gra

dstu

dent

Two-

Flui

d

Tran

spor

t

Sovi

nec*

W

Hel

dU

Bayl

issW

JiU

Inte

rfac

ing

Gro

up

Nels

on*

G

riffit

hC

assid

yK

ims

Prog

. Adm

inist

rato

r

* Gr

oup

Lead

Wat

Wis

cons

inU

at U

tah

ssh

ared

pos

t-doc

Adm

in. (

Pare

ja-K

lem

isch

)

10-2

4-05

12

Bou

ndar

y C

ondi

tions

& G

eom

etry

Gro

up

Dev

elop

cap

abili

ty to

han

dle

com

plex

geo

met

ries

and

real

istic

bou

ndar

y co

nditi

ons.

Take

the

lead

in d

evel

opm

ent o

f ato

mic

phy

sics

, ne

utra

l dyn

amic

s, an

d ra

diat

ion

mod

els.

Dev

elop

the

MH

4D m

odel

–Em

ploy

s an

unst

ruct

ured

tetra

hedr

al m

esh,

mak

ing

it ap

prop

riate

for c

ompl

ex g

eom

etrie

s and

det

aile

d bo

unda

ry c

ondi

tions

.

10-2

4-05

13

Bou

ndar

y C

ondi

tions

& G

eom

etry

Gro

up

Tetra

hedr

al m

eshe

s dis

cret

ize

com

plic

ated

geo

met

ries m

ore

easi

lyth

an

hexa

hedr

al m

eshe

s.Te

trahe

dral

mes

hes t

ypic

ally

requ

ire a

hig

her r

esol

utio

n fo

r the

sam

e ac

cura

cy.

10-2

4-05

14

Two-

Flui

d an

d Tr

ansp

ort G

roup

Impr

ove

effic

ienc

y of

the

NIM

RO

D c

ode

for E

C

plas

ma

cond

ition

s.–

Dev

elop

ed fo

r tok

amak

: MH

D c

ondi

tions

that

are

ex

trem

ely

stiff

, but

lam

inar

.–

EC e

xper

imen

ts w

ith m

agne

tic re

laxa

tion

are

less

stiff

bu

t mor

e dy

nam

ic; a

ccur

ate

sim

ulat

ion

requ

ires a

smal

ler

time-

step

rela

tive

to w

ave

prop

agat

ion

times

.–

Impr

ovem

ent w

ill re

sult

from

reor

gani

zing

dat

a st

ruct

ures

and

turn

ing

Gau

ssia

n in

tegr

atio

n in

to m

atrix

op

erat

ions

.

10-2

4-05

15

Two-

fluid

and

Tra

nspo

rt G

roup

Dev

elop

flui

d m

odel

ing

capa

bilit

y fo

r col

lisio

nal

plas

mas

.–

Two-

fluid

Ohm

’s la

w (l

ever

aged

by

CEM

M e

ffor

t)–

Col

lisio

nal c

losu

res

Impl

emen

t non

-loca

l clo

sure

s for

the

free

-stre

amin

g ki

netic

eff

ects

that

are

mos

t im

porta

nt a

s a p

lasm

a be

com

es c

ollis

ionl

ess.

–Pa

ralle

l ele

ctro

n he

at fl

ux–

Para

llel i

on st

ress

10-2

4-05

16

FLR

& K

inet

ic E

ffec

ts G

roup

Will

focu

s on

sim

ulat

ing

high

-βpl

asm

as, w

here

fin

ite L

arm

or ra

dius

(FLR

) and

kin

etic

eff

ects

are

ve

ry im

porta

nt.

–St

anda

rd M

HD

theo

ry d

oes n

ot a

lway

s wor

k w

ell f

or

pred

ictin

g be

havi

or o

f hig

h-β

plas

mas

. Fo

r exa

mpl

e, it

do

es n

ot p

redi

ct th

e ob

serv

ed st

abili

ty o

f an

FRC

.–

Cen

ter c

odes

will

inco

rpor

ate

term

s ofte

n as

soci

ated

with

FL

R e

ffec

ts in

clud

ing:

»H

all /

two-

fluid

effe

cts

»G

yrov

isco

us e

ffect

Fully

kin

etic

min

ority

ion

spec

ies (

hot i

ons,

or a

bea

m)

10-2

4-05

17

FLR

& K

inet

ic E

ffec

ts G

roup

Res

pons

ible

for s

ome

boun

dary

con

ditio

n en

hanc

emen

ts to

NIM

RO

D:

–Fo

r exa

mpl

e, F

RC

sim

ulat

ion

requ

ires i

nsul

atin

g bo

unda

ry w

ith re

alis

tic re

pres

enta

tions

of e

xter

nal c

oils

, in

clud

ing

RM

F an

tenn

ae.

Inco

rpor

ate

atom

ic p

hysi

cs a

nd ra

diat

ion

mod

els

into

NIM

RO

D.

–U

tiliz

e sa

me

algo

rithm

s (as

muc

h as

pos

sibl

e) a

s will

be

used

in th

e M

H4D

cod

e.

10-2

4-05

18

Inte

rfac

e G

roup

Stro

ng in

tera

ctio

n w

ith E

C p

rogr

ams i

s cru

cial

to C

ente

r go

als

Ada

pt c

odes

for p

artic

ipat

ing

expe

rimen

ts v

ia o

n-si

te v

isits

–Im

plem

ent d

ata/

code

com

mun

icat

ions

with

the

Cen

ter

–Es

tabl

ish

unifo

rm a

nd e

asy

to u

se c

ode

inte

rfac

es–

Dev

elop

dat

a an

alys

is a

nd v

isua

lizat

ion

to c

ompa

re w

ith e

xper

imen

ts

Hos

t Sum

mer

Stu

dy fo

r exp

erim

enta

lists

Mai

ntai

n a

web

site

for C

ente

r inf

orm

atio

n, g

ive

conf

eren

ce

pres

enta

tions

abo

ut C

ente

r act

iviti

es, e

xplo

re C

ente

r cod

es

appl

icab

ility

to o

ther

pla

sma

scie

nce

issu

es

10-2

4-05

19

Inte

rfac

e G

roup

Perf

orm

initi

al si

mul

atio

ns o

f EC

exp

erim

ents

(at P

SI-C

ente

r)–

Util

ize

appr

opria

te c

ode

and

phys

ics f

or in

itial

runs

(with

EC

inpu

t)–

Initi

al si

mul

atio

ns w

ill u

se N

IMR

OD

; MH

4D-li

ke w

hen

avai

labl

e/ap

prop

riate

Vis

it ex

perim

ents

to fa

cilit

ate

them

in p

erfo

rmin

g si

mul

atio

ns–

Dev

elop

/mai

ntai

n G

UI f

or c

ode

inpu

t–

Teac

h gr

oups

how

to d

evel

op “

num

eric

al d

iagn

ostic

s” fo

r the

ir ex

perim

ents

(e.g

., m

agne

tic p

robe

s, lin

e-in

tegr

ated

mea

sure

men

ts)

–Th

ey c

an th

en im

prov

e sp

ecifi

c m

odel

ing

and

anal

ysis

issu

es

Esta

blis

h co

nnec

tivity

bet

wee

n th

e C

ente

r and

exp

erim

ents

–M

DSp

lusi

nter

faci

ng to

exp

erim

enta

l dat

a an

d co

des

–Pr

ovid

e ac

cess

to la

test

ver

sion

of c

odes

(CV

S ve

rsio

n co

ntro

l)

10-2

4-05

20

Parti

cipa

ting

expe

rimen

ts

Cal

tech

–Pa

ul B

ella

n, S

pher

omak

form

atio

n / P

lasm

a G

unFR

X-L

–Lo

s Ala

mos

, Hig

h-de

nsity

FR

C so

urce

for M

TFH

IT-S

I –U

. of W

ashi

ngto

n, H

elic

ity In

ject

ed T

orus

MB

X –

U. o

f Tex

as, M

agne

to B

erno

ulli

Expe

rimen

tPH

D –

U. o

f Was

hing

ton,

Pul

sed

Hig

h D

ensi

ty F

RC

SSPX

–La

wre

nce

Live

rmor

e, S

pher

omak

SSX

–Sw

arth

mor

e Sp

hero

mak

/ m

erge

FR

CTC

S –

U. o

f Was

hing

ton,

RM

F su

stai

ned

FRC

ZaP

–U

. of W

ashi

ngto

n, sh

eare

d-flo

w st

abili

zed

Z-pi

nch

MST

-U. o

f Wis

cons

in, R

FP

10-2

4-05

21

PSI-

Cen

ter a

ccom

plis

hmen

ts

NIM

RO

D a

nd M

H4D

runn

ing

on th

e C

ente

r’s c

ode-

deve

lopm

ent c

ompu

ter.

Prog

ress

mad

e on

eig

ht e

xper

imen

ts.

All

pers

onne

l on

boar

d.A

chie

ved

first

resu

lts w

ith in

sula

ting

boun

dary

con

ditio

ns.

Stra

tegy

in p

lace

to d

evel

op a

mod

el fo

r neu

trals

and

io

niza

tion.

Sem

i-col

lisio

nles

s tra

nspo

rt co

effic

ient

s und

er d

evel

opm

ent

Beg

un c

hara

cter

izin

g na

ture

of l

inea

r tw

o flu

id F

RC

tilt

to

com

pare

to a

naly

tic m

odel

.Li

near

n=1

two-

fluid

cal

cula

tion

star

ted

for F

RC

.

10-2

4-05

22

Sum

mar

y

The

PSI-

Cen

ter i

s to

deve

lop

com

puta

tiona

l pr

edic

tabi

lity

for I

CC

/EC

exp

erim

ents

It w

ill m

ostly

inte

grat

e ex

istin

g an

d on

-goi

ng w

ork

but s

ome

new

dev

elop

men

t is n

eede

dTh

e de

velo

ped

code

s will

gre

atly

faci

litat

e th

e ex

plor

atio

n of

the

ICC

/EC

par

amet

er sp

ace

and

incr

ease

the

scie

ntifi

c ou

tput

from

exp

erim

ents

The

wor

k is

und

erw

ay.

10-2

4-05

23

Sum

mar

y-co

nt