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API WIND AND CURRENT LOAD CALCULATION
Hull
Length between perpendiculars
L
PP
m
Beam
B
m
Draft
T
m
Vessel Type
Ship
Barge
Semi Submercible
Longitudinal center of gravity
COGx
m
Transverse center of gravity
COGy
m
Wind Inputs
Wind speed
V
w
m/sec
Transverse windage area
A
T
m
2
Longitudinal windage area
A
L
m
2
Longitudinal center of wind pressure
CoWx
m
Transverse center of wind pressure
CoWy
m
Wind Direction
q
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100.00
110.00
120.00
130.00
140.00
150.00
160.00
170.00
180.00
190.00
200.00
210.00
220.00
230.00
240.00
250.00
260.00
270.00
280.00
290.00
300.00
310.00
320.00
330.00
340.00
350.00
360.00
0.00
Current Inputs
Current speed
Vc
m/sec
Current Direction
y
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100.00
110.00
120.00
130.00
140.00
150.00
160.00
170.00
180.00
190.00
200.00
210.00
220.00
230.00
240.00
250.00
260.00
270.00
280.00
290.00
300.00
310.00
320.00
330.00
340.00
350.00
360.00
Degree
A
c
m
2
A
f
m
2
Wind Forces
Longitudinal Wind force
Fx
mt
Transverse Wind force
Fy
mt
Wind Yaw moment
Mz
mt-m
Current Forces
Longitudinal current force
Fx
mt
Transverse current force
Fy
mt
Current Yaw moment
Mz
mt-m
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