BAB III (Analisa Hidrodinamika)

DEPARTEMENT OF NAVAL ARCHITECTURE AND SHIP BUILDING-ITS

BAB III Analisa Hidrodinamika Model

Analisa hidrodinamia dila!an !n"! m#n$#"ah!i ara"#ris"i $a%a-$a%a %an$ &##r'a (ada &a$ian %an$ "#r)#l!( air (ada mod#l* Un"! ini ini di$!n i$!na aaan (ro$r ro$ram am Hydromax Pro, dima dimana na (ro$ (ro$ra ram m ini ini da(a da(a"" m#n$analisa an"ara lain+  Hidros"a"i  S"a&ili"as  ,#!a"an m#man'an$  E!ili&ri!m Condi"ion  S(#)i.i#d Condi"ion  ,N /al!#s  Limi"in$ ,G  Tan Cali&ra"ion

3.1. Analisa Stabilitas

S"a&ili"as adalah ondisi a(al dalam ondisi mirin$ !n"! da(a" #m&al #m&alii #(ada #(ada #d!d! #d!d!an an s#m!la s#m!la 0s#"im 0s#"im&an &an$1 $1** Hal ini san$a san$a"" (#n"in (#n"in$ $ s#ali ar#na &#rai"an d#n$an #s#lama"an a(al* Did!nia (#la%aran "#lah di#na di#nall &an% &an%a (#ra"! (#ra"!ran ran #s#l #s#lama ama"an "an Misaln Misaln% %a+ IMO2 IMO2 Mar(ol Mar(ol 342 US Na/%2 Na/%2 USL2 H##lin$ Arm2 dan (#ra"!ran lain %an$ %an$ da(a" i"a a"!r s#ndiri* Dala Dalam m (#rh (#rhi" i"!n !n$a $an n s"a& s"a&il ili" i"as as m#n$ m#n$$ $!na !naan an

Hydr Hydrom omax ax Pro Pro

di(#rl!a da"a-da"a s#&a$ai &#ri!"+ &#ra" a(al2 LCG2 ,G2 dan l#"a "ani"ani dan '#nis m!a"an )airn%a* S#"#lah i"! i"a &isa rannin$ (ro$ram

Latihan-18

Hi"!n$ s"a&ili"as d#n$an m#n$!naan IMO a(al Fri$a"# dimana misaln%a &#ra" L5T L5T a(al a(al 6437 "on2 "i"i &#ra"n%a 78 m dari !'!n$ &#laan$2 ,G 9 4

: Analisa Hidrodinamia

III-6


m2 &a$ian "#n$ah a(al "#rda(a" "an$i &ahan &aar d#n$an 'ara 6;-<; m dari !'!n$ &#laan$2 "in$$i 4m* Maa lan$ah-lan$ah (##r'aan%a s#&a$ai &#ri!"+ 1.

B!a (ro$ram Hidromax Pro

.

!ile,, "# "#en en $esi $esi%n %n,, &, Pro% Pro%ra ram m !ile !ile,, Maxs Maxs'r 'r(, (, B!a d#sain !ile Sam# Sam#le le $esi $esin% n%,, Sh Shi# i#s, s, !ri% !ri%at atee s#"#la s#"#lah h i"! aan aan m!n)!l m!n)!l (iliha (ilihan n

s#(#r"i s#(#r"i di&a=ah di&a=ah ini* Isilah s#(#r"i s#(#r"i di&a=ah di&a=ah ini !n"! m#nda(a m#nda(a"an "an s"a"ion s#&an%a <88 !n"! (#rhi"!n$an %an$ (alin$ a!ra" , ")

3.

,#m!dian "#n"!an "i"i 828 di &as# lin# dan a( $is#lay, *ero Point, A(t Per#endi+'lar.


III-<


.

B!a" "ani &ahan &aar %an$ lan$ahn%a s#&a$ai &#ri!"+ indo, 3&om#artment $e(ination. !ile, /e &om#artment $e(ination

0isi olom )om(ar"#m#n s#(#r"i di&a=ah ini1

0.

La!an (#mas!an &#&an L5T2 dan "i"i &#ra" d#n$an (#rin"ah indo, Load+ase1, #m!dian isi olom %an$ ada la!an

(#n$isian s#(#r"i di&a=ah ini*

.

M#n#n"!an a"!ran s"a&ili"as IMO+ Analisys, &riteria, IM",")

2.

La!an (#milihan "%(# analisa %ai"!+ Analisys, Set Analisys y#e, Lar%e An%le Stability.

8.

La!an r!nnin$ (ro$ram %ai"!+ Analisys, Start Stability. T!n$$! &#&#ra(a saa"*


III-4

1.5 GfMo = 1.432 m 1.2


0.9

Max GZ = 0.677 m at 37.7° 0.6 0.3 m Z 0 G -0.3 -0.6 -0.9 -1.2 -1.5

0

4.

20

40

60

80 100 Heel to Port °

120

140

160

180

Liha" $ra.i dari hasil (#rhi"!n$an d#an$an indo, 25ra#h. Un"! m#n$#"ah!i hasil &#r!(a (#rhi"!n$an la!anlah indo, $ata

3.. Analisa Hidrostatik C!r/a Hidros"a"i adalah !r/a %an$ m#n!n'!an ara"#r $a%a

hidrodinamia %an$ &##r'a (ada &adan a(al di&a=ah (#rm!aan air* Biasan%a )!r/a ini dihi"!n$ man!al d#n$an m#"od# sim(son d#n$an m#$!!r oordina"-oordina" &od%(lan-n%a2 "#"a(i ala! m#n$$!naan H%droma> Pro "ida (#rl! han%a sa'a i"a har!s m#m&!a mod#l %an$ "#lah i"a &an$!n d#n$an Ma>s!r. Pro* ,#m!dian i"a r!nnin$ maa aan "am(a hasiln%a2 %an$ &#r!(a )!r/a an"ara lain+ Dis(la)#m#n" Tonn#2 H##l d#$r##s2 Dra." a" FP m2 Dra." a" AP m2 Dra." a" LCF2 Trim m2 5L L#n$"h m25L B#am m25#""#d Ar#a m?<25a"#r(l* Ar#a m?<2 Prisma"i) Co#..*2 Blo) Co#..*2 Midshi( Ar#a Co#..*2 5a"#r(l* Ar#a Co#..*2 LCB "o Amidsh* : Analisa Hidrodinamia

III-7


m2 LCF "o Amidsh* m2 ,B m2 ,G m2 BM" m2 BML m2 GM" m2 GML m2 ,M" m2 ,ML m2 TP) Tonn#@)m2 MT) Tonn#*m C!r/a hidros"a"i ini da(a" diliha" (ada &#&#ra(a ondisi a(al an"ara lain+ ,a(al di air "#nan$2 a(al di air &#r$#lom&an$2 dan a(al (ada ondisi &o)or*

Latihan-14

Hi"!n$ Hidros"a"i (ada Fri$a"# Maa lan$ah-lan$ah (##r'aan%a s#&a$ai &#ri!"+ 1.


.

B!a d#sain !ile, "#en $esi%n, &, Pro%ram !ile, Maxs'r(, Sam#le $esin%, Shi#s, !ri%ate s#"#lah i"! aan m!n)!l

(ilihan s#(#r"i di&a=ah ini* Isilah s#(#r"i di&a=ah ini

!n"!

m#nda(a"an s"a"ion s#&an%a <88 !n"! (#rhi"!n$an %an$ (alin$ a!ra" , ")


III-;


3.


.

La!an (#milihan "%(# analisa %ai"!+ Analisys, Set Analisys y#e, 6#ri%ht Hydrostati+.

0.

T#n"!an &#ra(a (#m&a$ian =a"#rlin# dim!lai dari &as#lin# sam(ai sara" (#n!h %ai"!+ Analisys, $ra(t. 0isi s#s!ai d#n$an o"a di&a=ah1


III-


.

Liha" $ra.i dari hasil (#rhi"!n$an d#n$an indo, 25ra#h. Maa m!n)!l olom $ra.i "a(i &#l!m ada isin%a*

2.

S!(a%a $ra.in%a "#rliha" la!an r!nnin$ (ro$ram %ai"!+ Analisys, Start Hydrostati+. Maa aan m!n)!l $ra.i h%dros"ai)n%a* 3

M)*

2.7

)P* 2.4

(M$ 2.1 (Mt m1.8 t f

(&

a r 1.5 D

$%' 1.2 $%& 0.9 "P#

0.6

"et. #rea

0.3 Di!.

0

0

100

0

200

50

100

300 Di !la*eme+t 150

0.5

500

250 1 (&

300

600 350

400

-2

-1.5

-1

-0.5

1.5

2

2.5

3

0

0.1

0.2

0.3

0.4

0.5 (Mt m

0.6

0.7

0.8

0.9

1

0

0.1

0.2

0.3

0.4

0.5 (M$ m

0.6

0.7

0.8

0.9

1

0

0.3

0.6

0.9

1.2 1.5 1.8 mmer io+ )o++e*m

2.1

2.4

2.7

3

0

0.1

0.2

0.3

0.4 0.5 0.6 Mome+t to )rim )o++ e.m

0.7

0.8

0.9

1


0 $%&$%'

400 )o++e

200 #re a m,2

m

III-3


8.

Un"! m#n$#"ah!i hasil &#r!(a (#rhi"!n$an la!anlah indo, $ata

3.. Analisa 7'ilibri'm &ondition

E!!ili&ri!m Condi"ion adalah ondisi s#im&an$ an"ara $a%a "#an #a"as 0&o!%#n)%1 dan $a%a &#ra" %an$ dialami a(al 'ia a(al m#m(!n%ai &#ra" dan "i"i &#ra" "#r"#n"!* Hasil ahir dari ondisi ini adalah CSA dan hidros"a"i 'ia a(al ar#na adan%a $a%a &#ra"*

Latihan-18

Hi"!n$ s"a&ili"as d#n$an m#n$!naan IMO a(al Fri$a"# dimana misaln%a &#ra" L5T a(al 6437 "on2 "i"i &#ra"n%a 78 m dari !'!n$ &#laan$2 ,G 9 4 m2 &a$ian "#n$ah a(al "#rda(a" "an$i &ahan &aar d#n$an 'ara 6;-<; m dari !'!n$ &#laan$2 "in$$i 4m* Maa lan$ah-lan$ah (##r'aan%a s#&a$ai &#ri!"+ 6*


<*

B!a d#sain !ile, "#en $esi%n, &, Pro%ram !ile, Maxs'r(, Sam#le $esin%, Shi#s, !ri%ate s#"#lah i"! aan m!n)!l (ilihan

s#(#r"i di&a=ah ini* Isilah s#(#r"i di&a=ah ini !n"! m#nda(a"an s"a"ion s#&an%a <88 !n"! (#rhi"!n$an %an$ (alin$ a!ra" , ")


III-


4*


7*



;*

La!an (#mas!an &#&an L5T2 dan "i"i &#ra" d#n$an (#rin"ah indo, Load+ase1, #m!dian isi olom %an$ ada la!an

(#n$isian s#(#r"i di&a=ah ini*


III-


*

La!an (#milihan "%(# analisa %ai"!+ Analisys, Set Analisys y#e, 7'ilibri'm &ondition

3*

La!an r!nnin$ (ro$ram %ai"!+ Analisys, 7'ilibri'm &ondition 2 T!n$$! &#&#ra(a saa"*

*


3.3. Analisa )ek'atan Meman9an%

,#!a"an m#man'an$ adalah (#rhi"!n$an mom#n dan mod!l!s a(al "#rhada( "#!an %an$ "#r'adi ar#na adan%a $a%a &#ra" di&andin$an adan%a $a%a "#an #a"as (ada ondisi #s"rim 0Ho$$in$ @ Sa$$in$1* Un"! m#n$analisa #!a"an m#man'an$ i"a (#rl!an adalah m!"an a(al2 "ani"ani2 dan &#ra" L5T s#r"a (#n%#&aran%a 0da(a" dihi"!n$ d#n$an LR7 a"a! (ro$ram orksho# Pro 1*

Latihan-:

Hi"!n$ ,#!a"an m#man'an$ (ada ondisi Ho$$in$ a(al Fri$a"# dimana misaln%a &#ra" L5T dia&a$i m#n'adi 4 &a$ian dan "#rdis"riri&!si

s#$i

#m(a"+ B#laan$ 9488 "on2 "#rdis"ri&!si 9 8-<8 m T#n$ah 988 "on2 "#rdis"ri&!si 9 <8-8 m D#(an

9688 "on2 "#rdis"ri&!si 9 8-8 m

&a$ian "#n$ah a(al "#rda(a" "an$i &ahan &aar d#n$an 'ara 6;-<; m dari !'!n$ &#laan$2 "in$$i 4m*


III68


Maa lan$ah-lan$ah (##r'aan%a s#&a$ai &#ri!"+ 1.


.



3.


.




III66


;* La!an (#milihan "%(# analisa %ai"!+ Analisys, Set Analisys y#e, Lon%it'dinal Stren%th. .

B!a"lah $#lom&an$ ho$$in$ %ai"!+ Analisys, a;e(orm<, isi s#s!ai d#n$an $am&ar di&a=ah ini+

2.

La!an P#n%#&aran &#&an L5T(misalnya beban disebarkan sepanjang badan kapal)2 dan "i"i &#ra" d#n$an (#rin"ah indo, Load+ase1, #m!dian isi olom %an$ ada la!an (#n$isian s#(#r"i

di&a=ah ini*


III6<


8.

La!an r!nnin$ (ro$ram %ai"!+ Analisys, Start Lon%it'dinal Stren%th Analisys.

4.

T!n$$! &#&#ra(a saa"*Liha" $ra.i dari hasil (#rhi"!n$an d#an$an indo, 25ra#h. Un"! m#n$#"ah!i hasil &#r!(a (#rhi"!n$an

la!anlah indo, $ata

3.. Analisa S#e+i(ied &ondition

S(#)i.i#d Condi"ion adalah ondisi h!s!s CSA dan hidrodinamia 'ia a(al m#n$alai ondis h!s!s

Latihan-18

Ba$aimana &#n"! CSA (ada a(al .ri$a"# dimana misaln%a &#ra" L5T a(al 6888 "on2 "i"i &#ra"n%a LCG 78 m dari !'!n$ &#laan$2 ,G 9 4 m Maa lan$ah-lan$ah (##r'aan%a s#&a$ai &#ri!"+ : Analisa Hidrodinamia

III64


1.


.



3.


.

La!an (#milihan "%(# analisa %ai"!+ Analisys, Set Analisys y#e, S#e+i(ied &ondition

0.

B#ri ondisi &a"as Dis(2LCG dan ,G+

Analisys, S#e+i(ied

&ondition 0isi s#(#r"i di&a=ah ini


III67


.

La!an r!nnin$ (ro$ram %ai"!+ Analisys, S#e+i(ied &ondition 2 T!n$$! &#&#ra(a saa"*

2.


3.. Analisa )/ =al'es

,N Val!#s adalah (#rhi"!n$an %an$ di$!naan !n"! m#n$hi"!n$ LC dia$ram 0Pon"o Car#n#12 hal ini di$!naan (ada saa" i"a in$in m#n$hi"!n$ s"a&ili"as*

Latihan-18

Hi"!n$ LC dia$ram a(al .ri$a"# Maa lan$ah-lan$ah (##r'aan%a s#&a$ai &#ri!"+ 1.


.



III6;



3.


.

La!an (#milihan "%(# analisa %ai"!+ Analisys, Set Analisys y#e, )/ =al'es

0.

La!an (#n$a"!ran s!d!" ol#n$n%a+ Analisys, Heel 0isi s#(#r"i di&a=ah ini 'ia anda in$in m#n$a"!r s!d!" ol#n$n%a "ia( ; O dan ol#n$n%a sam(ai 8 O1


III6


.

la!an (#n$a"!ran

dis(lasm#n %an$ in$in di hi"!n$+ Analisys,

$i#la+ement 0isilah s#(#r"i $am&ar di&a=ah ini !n"! m#n$i"!n$

dis(l* 68-488 "on dan (#m&a$ian hi"!n$an%a <8 "i"i1

2.

La!an r!nnin$ (ro$ram %ai"!+ Analisys, )/ ;al'e 2 T!n$$! &#&#ra(a saa"*

8.



III63

DEPARTEMENT OF NAVAL ARCHITECTURE AND SHIP BUILDING-ITS 4 65° (/ 60° (/ 70° (/ 75° (/ 55° (/ 80° (/ 50° (/ 85° (/ 45° (/ 40° (/ 90° (/ 35° (/ 30° (/

3.5

3

25° (/

2.5

20° (/ m / (

15° (/

2

10° (/

1.5

1 5° (/ 0.5

0 10

40

70

100

130 160 190 Di!la*eme+t )o++e

220

250

280

3.. Analisa Limitin% )5

Limi"in$ ,G adalah "in$$i ,G minimal %an$ masih dii'inan ol#h (#ra"!ran #s#lama"an*

Latihan-18

Hi"!n$ Limi" ,G a(al .ri$a"# Maa lan$ah-lan$ah (##r'aan%a s#&a$ai &#ri!"+ 1.


.


s#(#r"i di&a=ah ini* Isilah s#(#r"i di&a=ah ini !n"! m#nda(a"an s"a"ion s#&an%a <88 !n"! (#rhi"!n$an %an$ (alin$ a!ra" , ") : Analisa Hidrodinamia

III6


3.


.

La!an (#milihan "%(# analisa %ai"!+ Analisys, Set Analisys y#e, Limit )5

0.

La!an (#n$a"!ran s!d!" ol#n$n%a+ Analisys, Heel 0isi s#(#r"i di&a=ah ini 'ia anda in$in m#n$a"!r s!d!" ol#n$n%a "ia( ; O dan ol#n$n%a sam(ai 8 O1


III6


.

la!an (#n$a"!ran

dis(lasm#n %an$ in$in di hi"!n$+ Analisys,

$i#la+ement 0isilah s#(#r"i $am&ar di&a=ah ini !n"! m#n$i"!n$

dis(l* 68-488 "on dan (#m&a$ian hi"!n$an%a <8 "i"i1

2.

La!an r!nnin$ (ro$ram %ai"!+ Analisys, Limit )52 T!n$$! &#&#ra(a saa"*

8.



III<8


3.. Analisa ank &alibrations

Tan Cali&ra"ions adalah m#n$hi"!n$ Vol!m# "ani2 "i"i &#ra" dan mom#n dari "ani "#rs#&!"* P#m&!a"an )!r/a ini da(a" di&!a" 'ia i"a "#rl#&ih dah!l! m#m&!a" "ai (ada a(al*

Latihan-1

Hi"!n$ Vol!m# "ani &ahan &aar a(al Fri$a"# dimana misaln%a &#ra" L5T a(al 6437 "on2 "i"i &#ra"n%a 78 m dari !'!n$ &#laan$2 ,G 9 4 m2 &a$ian "#n$ah a(al "#rda(a" "an$i &ahan &aar d#n$an 'ara 6;-<; m dari !'!n$ &#laan$2 "in$$i 4m*

Maa lan$ah-lan$ah (##r'aan%a s#&a$ai &#ri!"+ 1.


.




III<6


3.


.



0.

La!an (#milihan "%(# analisa %ai"!+ Analisys, Set Analisys y#e, ank &alibration.

.

La!an r!nnin$ (ro$ram %ai"!+ Analisys, Start ank &alibration. T!n$$! &#&#ra(a saa"*


III<<


2.



III<4

BAB III (Analisa Hidrodinamika)

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