The uniform stress condition pictured in Fig. 1-2d exists throughout
+ V3 k' p0 O; o2 g; u c% Ythe length of the bar except near the ends. The stress distribution at the
# o/ d; {( Z9 E1 E& }- Vend of a bar depends upon how the load P is transmitted to the bar. If the
2 r9 y0 F3 [' [& X9 u* Xload happens to be distributed uniformly over the end, then the stress
0 N2 H7 G1 w8 r7 d2 \1 S+ K t) @7 apattern at the end will be the same as everywhere else. However, it is u/ X) t6 h" N( K! V* y
more likely that the load is transmitted through a pin or a bolt, producing2 P, ]; }2 j- M- m7 u+ k5 K r
high localized stresses called stress concentrations.
8 I9 \8 b+ X, H" l( E" b7 M0 B4 ~5 F( M9 C5 r
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