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1.
Calculate
the
maximum
shear
stress
for
two
cases:
(a)
41
xx
yy
zz
xy
MPa
MPa
σ
σσ
τ
===
=
(b) same as case a, except that
0
zz
=
.
Why is the maximum shear stress larger in case b? (Hint: Compare to a special
stress tensor case)
2.
Problem 2.8 (hint: You can prove by simple algebra that the stress vector is in
the same direction as the normal vector to any plane, by starting with a normal
vector).
3.
Problem 2.10. (Hint: Since the volume change is independent of coordinate
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This note was uploaded on 06/06/2011 for the course EAS 4200C taught by Professor Kim during the Fall '09 term at University of Florida.
 Fall '09
 Kim

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