最終更新日：2022/12/24
A ship's metacenter (M) is the virtual intersection of two successive lines of action of the force of buoyancy when the ship heels through a very small angle. The initial position of the metacenter is used as a reference in stability calculations. The distance from a ship's center of gravity (G) to its metacenter is known as the metacentric height (GM). GM is a measure of the vessel's ability to right itself when experiencing an overturning moment. For the same vessel, a higher GM value indicates a greater initial static stability.
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元となった例文
A
ship's
metacenter
(M)
is
the
virtual
intersection
of
two
successive
lines
of
action
of
the
force
of
buoyancy
when
the
ship
heels
through
a
very
small
angle.
The
initial
position
of
the
metacenter
is
used
as
a
reference
in
stability
calculations.
The
distance
from
a
ship's
center
of
gravity
(G)
to
its
metacenter
is
known
as
the
metacentric
height
(GM).
GM
is
a
measure
of
the
vessel's
ability
to
right
itself
when
experiencing
an
overturning
moment.
For
the
same
vessel,
a
higher
GM
value
indicates
a
greater
initial
static
stability.
