Fluid Mechanics FE Review Fluid Mechanics FE ... - Inside Mines

PPI
Fluid Statics Examples
Example 1 (FEIM):
The tank shown is filled with water. At
what depth does the resultant force act?
The surface under pressure is a
rectangle 1 m at the base and
2.31 m tall.
Fluid Statics Examples
Professional Publications, Inc.
A = bh
Iy = c b3h 12
Z 4 m
c = = 4.618 m
sin60°
Using the moment of inertia for a rectangle given in the NCEES
Handbook,
z* = I y c
AZ c
=
b
=
3 h
12bhZc = b2
12Z c
(2.31 m) 2
= 0.0963 m
(12)(4.618 m)
R depth = (Z c + z*) sin 60°= (4.618 m + 0.0963 m) sin 60°= 4.08 m
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FERC
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