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Added a trim factor multiplier at moment to trim 1cm computation (In order to reduce noise).

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Jose Luis Cercós pita 2012-06-22 16:29:06 +02:00
parent e6b3fa22d4
commit 8c0211b701
1 changed files with 3 additions and 2 deletions
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5
src/Mod/Ship/shipHydrostatics/Tools.py
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@ -217,12 +217,13 @@ def moment(ship, draft, trim, disp, xcb):
@return Moment to trim ship 1cm (ton m).
@note Moment is positive when produce positive trim.
"""
angle = math.degrees(math.atan2(0.01,0.5*ship.Length))
factor = 10.0
angle = factor*math.degrees(math.atan2(0.01,0.5*ship.Length))
newTrim = trim + angle
data = displacement(ship,draft,0.0,newTrim,0.0)
mom0 = -disp*xcb
mom1 = -data[0]*data[1].x
return mom1 - mom0
return (mom1 - mom0) / factor
def FloatingArea(ship, draft, trim):
""" Calculate ship floating area.