foet.tulatton of two or, t}in-ee dihcntonal · 86. foet.tulatton of two or, t}in-ee dihcntonal...
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86 .FOET.TULATTON OF TWO OR, T}IN-EE
DIHCN�TONAL BoUNDAEY-VALU€ PBOBTEM S
xe! =
[::]
PROBL€M S}rAIN
BoUNDABY oT THg DoHAIN
PAgr oF TUC IOUNOAIV Wll€tE
EISQNAIAL GOTTNDAIV @Nolrloll lS
specrFrsD ( 6-
ryFE touNDABy coxD.)
Dlcr oF lllg buNDAr- trlllgRE NAIUIAL
BourDAEy coNornoN rt sfiFrFtgD ({-noe)
NG|fATION :
-sL
r
\
I
r t :
x =l I r? -- -?DINATE v€croR'
A?'
- (r.! : c'oosDlNATE vEcTroR'
R 3|:t l : uNrr NelrAL . lEcrce,'A tnu)
PSELIFITITRITS :
DNSR6IEI\|C€ TIICOEEM :
( $ . , d o - = ( f n i d F_ J
' t L - E - JJ L r
t .e . ?, r s r 5 g f d & = S f n d rJ L r
NITEEAATION BY PASTS
I ti g d& = - I+ g,iJ-s- + I+a ni dt'-O- .3L f
EE.
i . c .
ltyt)7d-4. = (c ,o,])ca + S+ardrO ) . ^ . t d
= q ' ' - - J r \ v ,
"
pnooF :
J {,.a drL = - j ?,rf csa + 5,*t),;crliL
_fL lL
( e:ooueT BuLE )
= - Ig;fe-a, +, I+a ni Jr3' rr
( Dl\er6€\lc€ ileeg! )
gl .
LIN€AE RSAT CONbUCTTON
NOTATIOI ;
tA : TEMFERATURE
9: r lfEA? FLut VGCIOR ( t )I t
9i r - *ij \j psurreei LAw oFIIEAT eoNOUC,lf 0N
Ii . C . I r - F ! U-
,3 : CoU! UC"IUITY f*lATE|l-
E ,E Syt rrST:rC
liosrLY wF nevF AN lsorEoptc llgDlutf
t^lT l r T N i $ e e I \ t D € N ? l t t i l A " r t r
cr A.i =, ^V PloNecrst D51"o
+ : HgAr SouGtF Pe3 uNfT VOtulrF
10.
DIFF€T-ENTIAL RUATIOTT'
ii,i B +
g ' q B +_
(-r i; %ilrr' = t
g.(-s 'gu) - f
]rEAr EquATf oN
( Polsso\rs tquA't lolf )
tN VEErol Fos|Yl
BourrDAsv c'oNDlTloNS B.c . )
t r= t
o N v TEi"|PEFATU:,S B.c.
( esseNrrAL B.c . )(onrrHt€T B.c . )( p-TYPg B.c . )
ft€AT Ftul B .c.
t xeru?AL 3.c. )( xculrAxN B.g. )( {- TtPg B.e. )
-1 in t- 9 ' 1 1
- l -
- l3 r ' )
9 tLINEAS TEAT CONDUCTION :
\\,EAK FORMUIATION I
l l , L - + = o
( qi,i -f ) dsr-l*$
REITOUAL.sLwEt6TTlN6 FUilC'TION
BY PASTS ..INTE63AT€
(- ! w i g i
SL .sL
+ !*f in idf 'Pt
oN frr
ot\f fr,
I'
!*tin;v(
) wl in;
It
E€M Eri3CQ. oL
FUltcTlON cr'.Als€'ll :
st!$l,At To l-D cAsg
ugA a u- t ox f 'qwe 1f =t w=% o* f.
Yw e\f
dsr- + t
w g;ni dr- I*f*=
o.
dr' - JT
THAT \At =
ginr =
f - ; - - - - r - - - r - . D - - - - - - - - - - - - - - . D - - - J
i - \ w , r j i d s L = ( * l J - s - + [ o [ d r ia J . ! r r
J J i. r L J L 1 . 1 IIL----- - --- ---- --- -- --- - ----- ---- - J
9 Z
THqBt FogC I
- 5.cL
\^r,iqi J.rL -- 5 w{ Ct' - Iwf dsa =e.
CJEAC3ANSI\Ig :
'rHrS lS TtlGi S|€AE "Oe,fYl Vrrelf
s\fBsnr\rnNe FoR, 9i= -r<ijuri
fq
+
f *,, rij urjd$,ilwfdsr
* 5*[cr.sL
VwelfWEAK FOR.M
ct3
NOTATTON :
a (w,u) = I*,
"i j urj Csr-JL
(w, +) = I wf d-sL.(L
(w, 1)., = I w[ dt-t l't
THctc An g ALL syHlt qg!_c . BILINqAR
FORlvls .
wtrlf Tltrs NSTATION lN FrtND, T]f€ w€AE
FOET.IULATION CAN B€ WRITTgN A3
FOLLOWS :
a(w ,u ) = (w , f ) + (w , l . ) rVwel/
t\, '?trlt FcSrrt, Tutg wgAE roarru\A1lo N
LAoES vgEy Slr{lLAP, TO T}fg TWO OnttR
wgAE s|trrs otreruED prcvtor,sty (ttr pp. lz al|rp)
j { .
LINSAR. HEAT CONDUSTIO N !
6ArgE,E,tN ?OErlUIfrtoN
INi.IEAD OF FUNGTTON €LASIS U AND A
w5 u3C FrNtTe DIHBIXSIONAt AFFTOXIT'IATIoNS
?th A*.D d
TIIAS ll t
h h hr F w e ? l l c \ t w l = O o N q
( o : * b i o ) o
rF tt. d ruGh ot = E
olr Pt
(os *t =a )
JulT L|EE l^|g DID tN Otl€-DlHErrSplrAL
C n l l , h
Assut{E rr{Ar 1f K :T*
AND ^ -h
L|Ft Vs colrE'r EucT JJ 8Y urlal6 v .
1 5 .
pg3!e A ruuernN 2'
(A 6lvGN Fulrcrrou)
sucu TIrAT t^
= ?
o\r fl
( o R 0 ' : A )
Fot' e,vt?Y tn- th
w3trg ,lh = art ,,t h, ?Now c,ttBE, TO SIFF ;F Uh BGtON6S'To -/5
h
o th. ' . d ' =
? O u | 6 , /
E '
Naw wQ,tt€ Tllg wEAs For,t l Fot
*te U'v h e U h
uh e, Ah
q 6 .
a(wru) = (w,f I + (w, 1)n VweV
w G - * h
u+ , *h
.n a(* ] , t ) = (*1f) + (* t r { )" vwLuh
uh r tt* A'
e a(w] .,'*7) = (*1 +l + ("1 {).. v*'euh
a(*1 vt)UNfril|l-f
= ( ",1 +) *(*l {),"-a(*] ilICNOt^f N
:+
( coFtgAlc te THq SALegtslu trc3rrr
ostArNGD Dtfr|teuttY ! nf aI) )
FINITS EL€F|CNT DTS3ESTI?ATION
DrSCI?Ertt€
E\.EtnENT
rooEi
Tuq DonAlN .St trfto
Doprarus -ge Q < e, S nel )
3? .
Drsccell2fTlohl
oF -St AND
r
ltAU€ A1 tg11gT Ttrg€g uoDEl.
rtoD€t5 .
4- NoDti RErr€rsn$ uortuv)
ELE$5NIS WILL
o E , 4 1 3 r , , , ,
( rlrc r^llLL ul3
Horf Do wE geuatg NoDE OBtrEErr6 TO
Ttrrg oCDGS|N6 Oc gquATtorr S 7
AP?Rqllt51q1
oF 3 t t rn
o N n B tt
Ltsgas
NTERFotATtoN
n-- 1 sgr oF oF- 'np J
, '6roBAL noo€S
hnD : NumtG?' oF
NODSS
LET tl =lt
v
I r r 2 r " ' t
g ?
l"
e1LET tla Bs TlfE srr oF NoDtEs AT wlftclf
h r l x* " = ? . t ' A - N o D € s ' .
rHE csretGrrcrr oF n(O rn nt ( i... T)rrr
gtr^Atlltr3 r.nuut ) t3 THE sFr oF
NoDGlS AT wtllclf Uh ls uuruotrtf '
wrlA't t3 Turg NumBGE oF gQvA'tloxr .?
= uurotFE oF \lCDlEls I N Tl.lg
sq" \-rb
= ..1 .
Tt{tx, JFclt AtL Wh C, tf b
tr.|lF cA\l uretrei
wh( l t= Z NA(I , )crAcl"lt
trlt{nl,E NA1I) ts rrr€ sFAp€ ?tlucTrorf
AStOCIATIID WrTlt NODS A.
ts wh=o oN f-. ?tl-
wlfY ?
loct.
NODA L VALUS!
OF \A
SiHILARLY !
vhcr )= f NA( r )dA- AQlne t- uNENo.^,l,
dA : Tn€ uNrrbNN (ro Eq FrrEEJlrrao )A'r uoDt A .
i.c , TtF}rPglA'tUtE At NODE A.
lf,lTEEPoLATlorr oF ol t r ) oN lta s 3 , c
A'rt)= I NAt!) ?*Ael
w lrEp,rE fle
s A (L^)
sulrrtrrr€ lFr. *b, V
6ALERr3tlf FoR t'l I
f-"I S t / u r l
h hAHD
0
lo t
rN rnC
: a(NA,t lc) dE = (N ̂ ,+) t (Nert ) r8e1-1'
-f a( gArNs) ?sBelt
Va e?t n7rlr€t€ AEF h-- tFqgATlg;ll ttggg--l -
Fos tlal \l!EW
wtrCgt h..t lt TlrF NUFrBge- oF
NGDE: rN Tlre sqt 1tb.
To DgrgEHlUg Tt*lF STIFFN|F�SS FrA.tPlI,
AhlD rnc hP3g uRTo:,, EQUATIOU lJurlB€II
t.tulT BF ESTABLISIIED.
frDft g\CC,Y NoDC tN ,tna
AN FqUATION NUIYIBCE.
Ft rne NoDet rN ltg
NunnIEg lt AitlSuGt . (
sDe,rFlE AT r)fAT NoDg )
,
Dg$.TTNATION AEEAY ; Ib
lol,
urtF ASSfeN
NO QUfrTIOTTI
hEEC,AUIE U, IS
: NUMi€P Otr NODALDot lrTl
: N01{EE3 oF EqJATnrt
Asst6NrlENt OF
uoDG tS ACH
A R R A v ! D .
I D ( A ) =+I
-teLoBAU troOE
tSorrA'Ttorrl rt t'lGEPS To
tsfEr) 0) Dtsnpqr|crl
e f oLoBAL EluAllss .8.
i F ,F Ae rl-rfl
\ o r F A e " ( l )
NumgeR.
NGTT' THfiT
t < A ( h " P
l < P S 6 c l
nnp
h=t
lo3
wrlAT tt Tfr€ trlHEfi$ox eF rxE
:E,D ARRAY ? . hnp ,
MATR,IX SUATlorf I
K d = F- r - i ,
K"u = a (NarNg)
P = fD (A )q = I D ( B )
F p = ( N e , { ) t ( N e r { ) r
Z a(NArnr.) eeec1?
utuee*. neff cOttDUCnON :
ELEFT€NT SIIFFNESS MATRU A}ID FOEC€
vEcaoR
ELC,;feN" STIFF NCSS t'lATBlI
ELCF|CNT FGl, \,ggToR,
tfLCI.I€NT
iloD€ xunaB€ R
n
f,lutrrtB€B OF
EIEF,I€NT NODES
S a r b ne
L
k'= L klr]
f"= tf: l
*;i*u,j d&-tge'
o-l(N o r
k : = Nor.a ( No, Ltr)' -
4t r-t c r - ( No,f )e t
Tg N " ) * ( g N u ) d s u
nr
i),.-F: klufi
t06
NcFr€ TllAa :
- c - |t [ = t ( IL) te b rs A ?-tuoDc
e O l F b l t N o t A ! l - N s l C ,- o
A COiI\,GNIGT|T FORT'I OF WR,TTIilO B. :
. G c , Tn . u = I ( g N . ) x ( g N b ) J - s
ge
DCFlrrC t
D= * ( corlutrlultt mattlr)
E.= Y N"
E = [E ' Err . . . , E. . r r lTHCII :-
k iuE I B :pEbJ-o .gc
B" =a[ g'P E J-sr
lo6
coFrgrraATtoll oF HEAI FLUI U€C"OI,
LEr d-'= [11"1wH€rE d: 3 uh( I: )
rlr€N q = . D B d C- f l e n
3 , - ' P r g o d :i -
a 3 t
fo?LINEAL }I€AT C.oNDTTTIOil :
DAaA PcocCSslNG ABEATS r grI9, !!!
ELEFTENT t|Ob€: ^*31" : lEN
A = X E N ( c . r e )t
' f-c.I.-EL€r'r€NT uurrB€R1 t-Loc.a1 (ererrGrr) rsOS {f
6tOBAL NOD€ {3
D€s'lrlNATloN lglfY I ID
P I rD ( t]- sroBAL NoD€ surrB€?f
euoStL Eq,r|rnON ll$}|t€R
LocAT\o$ gAfetl : LM
P = L M ( q r e )
t: Er€}tcr|r NrlFrBgrEL€FrErn rloDE Nr,P|B€P6r.o8AL €QITAT|oN NUF|S€:
S ,sNg
AND
6s"s uP I!:NTHCN OT}TAINS
l € .
ABI,ATt
?OLtotrll :
ArtD gD
LM AS
LM ( q , re ) = ID ( f EN (ore) )
E"IO AEQAV ; 6LoB,qL rloD€ t
I z a 4 s a 7 t t
rosExAlrtrL€ 1
E33t}JtTAL
B.c. DA?A
SPGCI?lco
( i .e.
€TCFI€NT NODCNul'rtCElNG
l = t 1'h= l' l
\-11-- I I
1'10 HAt NoDel
. ' . UNE,f\FWilt
EQVATIOU t
hntr=
7 -Nosct
lx .
l_xf
A :
2
2
P = E D ( A) 6LogAL SrATloll il .
q.l =
i loElAr'rgL€ 1
cS3tlrTtAL
B.c. bA?A
ggtFcl?lcD
( i .e.
. o. , ,2!
r o l
t t = [ t
t l l = l
, L r . . . o
t r { ,7 t
1-1t= [t't t 3'orl,rrtrlt
-Noscs
lx.
l_xl
ETCHCNT }TIDCNUTiSCEINcr
ID lrl,QAv r cuoBAL mo€ |l
S 6 . T t t l o l l l
ll-ln n.r E NoDel. a ,
.'. A uNE,Nowsl
A EeuATlot s
l.lntr= 12.
q . l = 8
E.A :
P = E D ( A) gLogAt SfATlOll * .
E(€HCN.r
t q 5
i l Ir€$ AER.AY :
LocagNODC
cr.|lutqttt
hen =
LM ACT.AY :
t\g,nE
\ruFl Et t
3
As fEn (cre )t atoBAL NooG
€LEFf ElfT Nut\. Cte
I Z t g B 6.csnL ( t
Irroot o I .
uu,rqtl l !I\.t
hel 3
usr.aB€R
h c l =
= ED(fer.rlerc))
Qvnnot.' uumB€R
P= Lt*1 (ore)
t'- Gtog4g
C\€t{CN.rT€N ASR,AY :
LocaluoDC
q.luuiet
h36 = '4
LM AC:,AY ..
hen= 4
As fEtr (qre )t eroBAL NgOG N$r,rt€lR.
Nut\i Ctt
hc l = 6
I ta
\Jut teC,l,
h e l = 6
= tb (f er.rlarc))
QVerrOu uUr.rB€R
r.ccAL ( tr.rooG " J
.tttl,ttCl
| !
\. '
3
6
P= LM (erc)
t'- €tog41
I L + 5 -l I2 3 5 6 g 35 6 E 7 f l l!
1 5 7 I l0 ff
€LCr{E}I?
o I o 3 o 5
I z 3 I 5 g
3 I 5 b 'l Io 3 o , o 7
EXAMPLE 2
COtlSlDEn, THE
i'|ATRTI ANb
f
FOLLOWIilg E,LEI{ENT
FOnCe v€croR :
l t3
STIFFTIESS
{.'
r lq '\ l
k t=-
o
{.:?:i
k;
k;
6f
$.
iit)
f,
ki
t 5
f==k!,
@. , - ^ la r -
- - ' r
ik i j tkir l\- -- l \ oJ
9
ASSUr.r E
E LEFTE N"
TIIAT TIIS LFT
15 6l\tc,N At
ARTAY FoQ, Tlll t
L]*1 ( t, €)
L l r (2 , €)
LFr (9, e)
LH (rrc)
5oo9
l |4\ rnAT 13 Tll|F
ELCt.t€ilT TO
*tu
K t t
K g r
collrr.lBuTloN
K A N D F ?i r - - '
n E
Ktp
K r,,
Fs
Fl
OF THTS
+
@@@
@@
+
+
<-
(
f,e = - ti,u:-[&;+ ; G
, - --'o" - iuiint\- - -
-$itt
f t5
BILINEAR, quADf,lLATERr\L €LEM€ NT
(-tr-t) (tr- l)
ll ttPARENT DOMAIN
:;ll(r;, g: IFt
(x;f)
(xi, g: )Dor{A111
lfPAR.€t|T DOTqAN ,
nIIATUR,AL CtrORDINATT1S
!=[;] =[;Bl1 I
5= [ ; ]
!=[;] =t;l
(ri, ei)
r ) I 1r,r1 3
I 2q
rf tr tl6TH€
--NIVSTCAL ceo:,Dlurffis oF A DotlT
rN .$l.,e :
x -- I xl -- I x(lrl )lR' L :J tU( l , l ) lAe€ 6luQ,N tY THC FottrOuftilo MAPplt{Gl :
r (i,1) =4z
C,=l
eN" ( 1,1) X.
e (q,1) =+I(l--l
No(t,l) g:
u'(q,1) =1z
lNo(\rtl ) d:
oEr tN v€cToR. FoBH I
+I ( I) = I N.(!) I :
C=t
|$TECDOT.SnON G A Fur|cTrct| HAS TTg
sAtlE Foc,ttl :
(OORDINATT
TRANSFoRItATtoN
I}ITIRPOLATION
ll?SHAPE FONCTIOT'IS :
ONE_DIH€NSION : ( R€,r,flNDeR)
5,=- |€ . = + t
N , ( t ) B * t t - q )
Nr(h)= t ( t * i )
ruro- DtH€NSloNS :
N.(t , r t ) = *( , *h. tXt+r lo1)
t ,= - f " l l= - lN,(i,'t)=*(rtx,-l ) t= *, 1tr = _,Nr(i,r)=t(rq) 0-q) l'=
*' t3 = +rl q 3 - l r l . t = + l
ur(t'l)= +(q)(r+q)^l(i,l) = *(t-rx,+q)
N,(h) = * t t+ i . t ):t
TTrs ts nouf A snAtrE ruucTfoNI rg
LOors ur,C :
NA
t r lA T€NT .Ftort NoDe
rf ,l
€F Tlfg .r€rn Eulttlrgst, ll
Por€Tlfg
A
nlutueaR TRtAtrlguLAn €L€FI€NT :
ItAN EXANiPT€ O? Dg6gN€EATIOil
-t LIN€AG, TR|ANGUIAR ELeH€NT
<^AN BC D€BU€D FEOT}i
+ BIL|N€AR QUADR[ATEIAL gL€T'r€rtT
t.| c,oAtFscttlg soDES 3 Arro { .
{
r N K = t N q I : r . , s s e r I l = I ; .C--f
TllErt :
! = 1,, I:r N.X: +(Nr+Nr)I:
= ui li *NiX: {r N:, I:
X B-
3 r -rlD - -
) N - XI
- s + ( l
o= l
COORDINATS
TP,AilIfrBT{ATKIX
= N r = ( r - t ) ( r -q )
s N l B
= NrtNr =
( t+t)(r-q )
(l +'1 1
I1
!4
I
z
,
Nf
lNr
lN3
taowHcrr Tllg srnD€ FulfsTloNs AtE:
t TTl3 wAY ) htll€TlfgQ trr€ lfAU€ A
quADEl LAT€e.AL €tgr.f€llT OP A
TR|ANGULAR €t€Frl€Nr Ul€ CaN
u5€ TUE SAH€ PAPtrlT DO]"IAIN.
-) rLElncr$r INT€RDorATtoN nA: Tlfg SAHE
tuElr AS COOEDINATE TEA[lSFoEttATlON. t.e.'
a^h = i Nld:Csl
N; d: + Nld;0 .e '
+ Nsd,
r! llOw STIAPC FUNCTION
lal
Loors 1rt€ :A
nri
ELEHTNT STAD€
FrrreTtOil
Pt?Atf lDII
EtoBAL $TAD€
FUTCTIOI'
t'i/ l
}f, 'eer-)
la2-
T}IR€,E. DITIEN SIONAL SIIAPIE FUNCTIOIIS "
TSILIN€A:, II€IA TITDPAL EL€}I€NT
tfH€lAlfEDSO N , BRI(,B
5= q ([)
TIf t tPAr'C i{r Do}lAlN
PT$|CAL Domerl
X = X ( I )r l
DArS\r D$rAtN , tlAlUSAL COOIbINATS: :
t q lq B I n l' - t l l
- t - o .
rz3rt tl
ru€ Pfl.rsKAL csoEDlhrA.ttl oF A DOINr
f N - Q e s
l r ? t r ( t r t r B ) Ix = { : t = 1 v ( \ , ' r , i ) t- r \ u ( l , I ) S ) I
Ar,t 6lulEN Br TH6' Fo,.tohfltf. '{APPIN6S :
x ( l " t r5 ) B6z
C3,
Irq 3 f
aI4 = l
No(q,l,q ) x:
9(t t,5) = ru.(t tI ,5) yi
z( \ r1 ,5) s No(\, t l r5) " :
a2 t frf vEsToS FO3M :
ax(1)= Z \ t :) [ l
e3l
(ou:ilNAr€
TRNININXOiI
Er€r.r€rlr nrERxttATlorfAS 'rhtc cooBDtNATE
12"4
llAS rt.;" SA]f€ Fo:t{
TEANSFoBt T ATION :
uh(trntr S ) =E
T No(\,t tr5) d:Cr3f
EtEruNT NTERTOIATNN
S}IAPE FUNCTIONS :
No(l ,I,9) = t(r+h.lxt *1"1 Xr+5"q)
v.lff gt€q, H. 1o 5oI - l - f - f
z + l - f - f
3 + l + f - f
q s f + l - f
5 - f - l + f
6 f - f - l + f'l r l + l + l
I - l { - , + t
t , l f
DE6ENEfI.ATION OF B?TCT. TOrr rl
weDCt,fz3
eoALESC'€ ItoD€5 AND +Ah|D
Axb E7
1s$ll:
I ( ! ) =
trf tfEF€
tNa ( : )
? ,+ Z 'N . .
creS
?.= t e2- Nq IoCl,3l
el .
Inutr)= l"'(:)t*+
(!l
, Q-lrlr5r6
tNr q) ,tNa(5) ,7
a=3
q = 7
jO O E O
- e - - o - -
n e
DGo€N€:ATlo$ oF t wEDo€tt To TgrEAn€DRort
cort.EseC ;1obEt 5 1 6 A N D 7
Tl€lf :
x( ! ) =
$HCR€ :
,,
N.(l) =
t ,
I:, + Ns(!li N:(r)a3l - x
t-
[* l ( 'D[ " ;
( : ) *
,
,
N. (I)
4 = l r a r 3
+ N'"(I) q,= 5
- r . G I - e ' - 1 - e O - - ' -
l2-?
lll6uER - oIDCR C\CHerlTS
IN ON€-DIHEN:ION "
Na
N , ( l )
N r ( l )
N3 ( t )
= * t ( t - r )
3 (r-q)= ( r+txr- t )
e.sralrl'E, :
h c n = 3
@
@
= tt ( f+ , )
$16$€l-oRD€l t\€MErlts lN
Trdo oR T$tsg Drn€NlloN:
C.Ar| BE OBTAINCD IvoCSUrsT BUU€
rrETlfls ts florr fi wotrs .'
i l(1+r;
@ ( l-rt.)
ETA'iPLS ..
@ ! I (1-')
* t (t-n) ( r-ht) t t(t+r)6) @
Ne(f,r ) = * t (l-t) (,-rl')
lz?
NU'TIERICAL INTI6SATION
TO CAl,cuLArg EL$Fr€NT STIFFN€33iiATntI' AND Fotc€ U€CTOR rrr€
N€€D TO , tor|gHohr, t\lT€5EA'rE
TCRltrl Lftg Tllls ..
,flf t1)ds -- ?
AAr{OL€ : FoR' tlgAf CONDUGTIOr|
?rlr3 COUID B€ AS ?ot1'ouf I :
ft l)= (gNjs (gNu)rscN, Tlr|E t\lTg6BATtoN
6tugs 'rrrE a- b cor'reoilg}lr
oF TtrE el€rrertT S{IFFNESI
l.rATEl |, .
PoR Flsd=l f j ( lnco;r^ i l )
| - / - . - t t
_\ f t*rdx = \ t t r ( I ) ) *r \ ( t ) d\d J - , J
130
Fot' n3g =L
^"lf(.,g)dgJr_J dfl?i'fh(rr\,rr),e(\r)) j(1'r )dt rl
O | - f t
det
t--fr..:
JA(oE|AN , j =
Jlar
H
f
(A) = detgan3-r?1
Foe nsd = 3
t
Jf(\sp)j*- =+ drdgde
+l r l r l
.!.[F(xm,5 ), 9(r,T,5 ) ra (t,?,b ) ) j(t,?,5)- t r r r f
{ q { d l
j ,B dct
?.I"5u-"5??
-2"3
?r?t?.:l2 t
a!"q
?r"teq
J '7f
??fra-a1
13ltN CAss Cel€ , TH€
TAis ts :
INT€6:ATION
-l ts(h) rt = ,
e o g t \ - t = L-lE
l : f i
]tlt ?(t,r) d1\ = ?FoR nSd =, $
= ?
,WC D6Tr WANT 10 TPY TO TTIVC
TH€sI INTSBATTONS €IAgTIY.
Tlfcc€eonc, w€ AgPeorlMATE ?lltM
BY rlut{tF9rtAL rNTE6lATto}l
-5 fr(r ,1t5 ) J1 J1 J5+ l
wk
tr int
t(E)dl * Z ?(qr.)k= t
lltf3z
NrrtrrB€9 oF lNle6larloN 0otUtSn irtt^,
H c
wL
kt*
at
ao
1 CoOBDTNATE
INTIEGIA-IION
WCTI6HT OF
Forrrr
OF TIIE
DOTTIT
rHE TNT€6}ATIOI
w, wa
Acuplr6
OATTOMIATS CTACTIY
Tllk
btAr{DL€ : TEAP€?OIDAI, IUU€
nir* =1av
l , = - fq " a * lw r 3 I
w t = I 2*D oRDGt-
loogt€g
: f s , + lr-1-rrlta/\-r,
trrT€crATgs
e,IAr"rpt€ : SfltpSoXi R$LGra3
W3
nint^,q ,^,q.d
I g
|NTE6e56=
EI lc tLT. rT
Ws = t l l
wr - 4lI
w l = t l t
RD3f 3
= 3e - l
= O
t r + fq
wa hft
ggDE:- DolvrroirllA Ls
4t* oEbER. AGcuGATE .
RCl.fAB:3
l .
z .
FEh|€3
cstT
IH€P,€
ACr|lEri
FCI^I€C,
INTE6:ATION polrlrs ]rgltN tgSS
ARe trnggHTlox ILULE! wntctl
Tlr€ sAlrc AsB$tec v wlTtl
r1n.r€ql5tt6N fotrrl
t34
6AUSSTAN QuADrAtul€ RULCt :
u TH€r ae€ oFllifAt lN ortc DtFrENltor
ii) \rrrlr ( nint) FotNTt/ TnGt Aclflcug
(z n int) oe,D€" oF AccutAcv AND
nn€orfiG (Z nirrt- l) orDEB FotYxoFrlntt
EXACILY.
l . hint = |^,
{ , = O , \ r J f = Z
Z*o OEbtS acaUpATG
I ET oc.Dtl DotYltoFulrr lllr€lb?ATgD et5tY
Z , n i n t - 2 -
aE|
l , = - t / { E , W . = lx ^ - -f - = 1 t l { 3 tr J
4"* oet€e eceu:nrG
3LD oRDeC. FOLrNoFilAtr n$Q3qaau EtrAsTtY
W . * f
133
3 . n i n t = 3rylq , = - \ / F , w f = s / 1-
T.= o , \= a/ l
i =*{1F ' W3 = 5/?
6T'r o3!GB fcuBAT€
STtf o:,o€t Do\yr.oFtfAts r$rc6PATtD tl GTty
Nulrc3lcal |rlTElSt A.Trc|| t\l Tw0-Dtwlsltlout ..
nn1 :I6(i,fr) wrL= l
rrr€clArrorr PorNrt ({.rtr) ArrD
TlEll:, (OSg|ESDONDInG l^rGlCTT$ wk CAu
8e oBTAINgD Florr oNQdt|rNsloNlt
6hfssr0rr q\ADcAa\nE l,ur,5 Bv PSotucteuLc
B6
Htlrg ls ttow lr woPtss '.
Ef lraD\t !-a-
2.x 2- r\rT€6rNrlox :
(2)| w ,n*i l l turlil I
^r(3) .
tr e - tllj*fit I
t:-r{Ibrl? |
1
t
(r)g = {
,.ut+ t/(ir j -
"l{
t
FrtIIItI- - -.rn- -a;-i t(d,{.): wltvt'i
:
t t '. - -€€.- t - - -
ti.ltl?iru!'r^rG ) t' ' r ' --?
:I
i(,il i:)l/ "Tw,"'a \
- - . j f O o - o . . .
i
t3?
fieSumnrlAtv oF 2;tL c,uLc:
Ir int = 4
(q, 1"., ) = (-i r-ft )(d,{.)(i,{ ')(s* ,i.)
NOTS THAT :
hi.t
l-
L=l
= (-t )-t)(*fr 2*+)t t , * t )
, wf = I
w a =
w r 3
w r c
( ArGr oF Tlf€
DAg€rIr Dometrr)t\OtE: :
stlrltAgtY , oNg cAN APDtV TlfE PlODrr?
o$\€ To TltrcE'Dlnslltp$AL rllFBEPffilorf.
|3A
C-ALCULAIIGN OF ICBIUATIUEI OF
'tlt€ 6lrAP€ FUNCTrcNI :
wE N€€:D -ro gALGU1AT€ trrc DEPTVATTIF'
oF Tlr€ sl|A9{g Fn4alort wfTtf BBDrEtr.TC GiloBAL CoogDrrr ATE!5.
Wg HAVE Ttig IIflVATt\llHl W'9;r' \ocAL
Cq;g;ROtXAlF.
h s d = I
Nor, = Norl l, * ( eest.l;l-.r-../ t
V
w€ neuc 2-TPt r he
hS{ = 2-
Norl = Nort €rr + Norl ltrr
ntorb s Nari qr? {- No,l nr7
r31
llr Frtrttll FonFl :
Ir,*( *o r t t Nor ; ) = ( r t . r t rN . [ )
|
H Ln,,t 'u]
na J'TtrGtE
-
?a
[ ; ; ]
xrrt
?nH-l; ]
, lqn= f IFU,r
= 3 37x
_
f z x f l- . f -- l -
\ ?1 )
- l
h s d - 3
T(esf )'-
Jcof
4-:-
J
140 .
?N.-r
?t-
?N.-- =
? x-,
a+.€-
? x-
?x.t" t
-
?N.E
-
-- ?Nr (Ef t-EE , l
coF rr =
cdrL =
Cof rl =
gofzr =
Cofet =,
cofa3 =
9rtl zr5 -
9r\ zrt
9r t? , I D
Z\ t r t i r '
?rs x4 '�-'
Zrt Xrtl rD
gr5 a,?
9r; ?r5
grl arq
3,i x,l
7t\ Xrs
zq x' l