5.5 Solution of Two-Dimensional Problems …
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Case (ii) Along the side x = L, the normal forces consist of two parts, one following
a linear law and the other following the law of a cubic parabola. The shearing forces
are proportional to x on the longitudinal sides of the beam and follow a parabolic
law along the side x = L.
The distribution of the stresses for Case (i) and Case (ii) is shown in Fig. 5.7.
Fig. 5.7 Distribution of forces on the beam