Equipment Number Acc to NR 600,ch 5, sec 5

For Sheltered Area,

Wind speed 30 Knots

15.5 m/s

Current speed 5 Knots

2.5 m/s

Density of water 1025 Kg/m3

Length on waterline 55 m

Breadth on waterline 16 m

Draft of the ship T= 2 m

Block coefficient 0.919 -

Reynolds number Re= 130455408-

Coefficient k= 0.5669397 -

0.0031424

Wetted surface area 1033.34

Density of air 1.22 Kg/m3

Front surface of Hull 24

Aft hull Transom surface 32

Partial lateral surface of Hull 46

Half Angle of entrance 49 deg

0.6037677

Tier1 Tier2

Front surface of superstructure 25 30

Aft surface of superstructure 25 30

Partial lateral surface of superstructure 7.5 1.25

Front side angle of superstructure 90 110

0.8 0.75175

Length of superstructure 13 10.5

Height of superstructure 2.5 2.5

Aft side angle of superstructure 90 90

0.3 0.3

Static force on wetted part of the hull due to curre 10.400929 kN

Static force on hull due to wind 3.1963722 kN

Static force on superstructures due to wind 8.7568963 kN

44.70839 kN

Mass of individual Anchor:

For ordinary Anchor P= 638.69135 kg

VW=

VW=

VC=

VC=

ρw=

LWL=

BWL=

Cb=

Coefficient Cf Cf=

Sm= m2

ρa=

Shfr= m2

Shar= m2

Shlat= m2

α=

Chfr= 0.8*sinα Chfr=

Ssfri=

Ssari=

Sslati=

βi=

Csfri= 0.8*sinβi Csfri=

lsi=

hi=

γi=

Coefficient Csari Csari=

FSLPH=

FSH=

FSS=

Dynamic Force FEN = 2 (FSLPH + FSH + FSS ) FEN=

For High Holding Anchor P= 447.08395 kg

For Very High Holding Anchor P= 29.805596 kg

819.909

deg

m

m 0.19231 0.2381

deg

2

0

Re = V* LWL/(1.054*10-6)

m2

m2

m2