Where:

Where:

F= force delivered to end

A= cross-sectional area

Substituting the values of σ1, σ2, and σ3 from equations (55) and (56) into equation (7) yields

The derivation of equation (10) is identical with that of equation (8), except that the axial stress, σ3, is zero. A derivation

P

of this equation and tables of values of W for values of Y are presented in a report on the design of gun tubes.

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