Predications this effectuates the shear forces and bending

Predications
Of The Sectional EffectsThe supposing of the weight
distrubition as w(x) and the bouyancy distrubition as b(x).For the structural
equilibrium, these two components of ship’s moments, have to be balance on a
fixed or stabilized point.That means:The first equation
shows that, the weight and buoyancy is equal to each other.The second formula
demostrates that, the weight’s and buoyancy’s moments taken by the Xo point.If
these sitations are not providing, the structure is not in equilibrium and
while to become in equilibrium state, the trim and the position of the draft is
going to be in change.In there, the supposing of the w(x) and b(x) is in fixed
position for making the analysis.But that hypothesis can not give guarantee for
the local stability between the weight and buoyancy.This situation, generates
the balanced load dispersion on the all of ship lenght and this effectuates the
shear forces and bending moments on the structural plate.When the examination
of the situation that arises in the terms of strength, the model of the ship as
beam that under the effects of the weight and buoyancy. ?ekil
23: The
quasi-static forces actiong on ship structre and their affects.  ?ekil 24:The
first step of the solving this problem is making the calculations for finding
the unbalanced force q(x) that along of the ship lenght.This is the difference
between buoyancy and weight.The
investigation of the Q(x) shear force and M(x) bending moments on any part of
beam that constituted by the not counterpoised force could done with the
agreement of the balance between reactions on the beam and the loads on the
beam.This
acceptance, specifies that the integral of the unstable force affects on the
beam and the shear force at any point of the structure is going to be
equal.Secondly,the moments of the forces acting on a fixed point on beam must
be in equality. The bending moment will taken from the partial integration of
the integral. 

The
mentioned beam’s calculations for gathering the datas about the shear force and
the bending moment equilibrium must be done for each 3 situational process.According
to the datas, the characteristics of  the
structure shows the differences for each analysis.After the determination of
the beam effects consequences the longitudinal strength of the ship will be
computing.The measurements of the longitudinal strength provides the shear
stress calculations and comparisons for the limiting criterias.

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