1. DEFORMATIONS
5
Then we can change the position of the obtained figure so that its "inside"
(shown in white) becomes its "outside" (the shaded side of the surface) and
vice-versa, simpl y b y moving i t a s a rigi d bod y i n spac e unti l th e hoop 1
occupies the position o f the hoop 2 . Onc e this is done, the previous defor -
mations performed i n reverse order result in the tube being turned inside out
as required.
Note that this procedure interchanges the "parallel" and the "meridian" of
the tube (see Figure 1.9).
FIGURE 1.9
1.5. Firs t w e perform th e deformation show n i n Figure 1.10 . Th e solid
thus obtaine d (provide d i t is elastic) ca n clearly be deformed int o th e one
shown i n Figure 1.1(a) . I t now remains t o apply th e solution o f Proble m
1.1.
FIGURE 1.10
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