hog and sag calc
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Transcript of hog and sag calc
FPSO CIDADEDE NITEROIMV18
MODULE-1P,Coil Tubing and Flare Knock outDrum Module INPACE, LlFT&TRANSPORTATIONANALYSISREPORTWH201-LTV20-9004-0150 Rev. B
Length of the FPSO
Ratio of FPSO length to sag
Maximumlongitudinalbending deformation
Assuming the Deflectionshape to be circularR2=(R-/ji + (U2)2
SolvingR,we get R ={D2+(U2)2}/(2A)
No of stools in longitudinaldirection
Spacing between the stool location
Distance from center of the module to the extreme edgeMaximumdeflection at center of the module
L=Ratio =A=L/ Ratio
315~0'mm
500
630 mm
R=N=S=D=00=
/19687815 mm
1
5805 mm
11610,mm3.423 mm
1.0 Maximum Hog / sag always occurs on Longitudinal direction.
2.0 No transverse bending deformation considered '\ ,3.0 The Relative D flection giypiabove may be converted to appropriate unit and usecl(s\4.0 If N=3, 5 or e 0value &~ for middle stool. 0/ ~ f')/ ').
f f. ~~,~' ~ ;V ::\' '" ~ ~. . X (!, ~ f' \)~ (\'\;t(?~ Y \ fI' t--j t, ' j( 1:/ ()ft,,, '\ S <'1\V ~/ t~ \!' ,~ \'- ~ 't) ,~I{0/ ~~ ~h".' ~ ~ I~~/
~
\10 .'V.1) .~.. \) ~~ IAOA. ~ \
. i' ,/ ) It
,
Dist, frommodule Reference Deflection, mm Relative Deflection, mm
Location
mm 8 = R-fR2 - D21(112) d=80
81 11610 8) I 3.423 dl I 3.423