/JlM ^^ <7~ ABSTRACT fCantfaua eta revaraa atda It nmceeeary antt fdeatlfy by block number)■ iAsymptotic series for squares and products of modified Bessel functions were programmed as well as the ascending and asymptotic series for the cross products These programs reduced round off error and led to precise calculation of stresses m thm-walled cylinder according to the equations of elasticity DD ,

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The findings in this report are not to be construed as an official Department of the Army position, unless so designated by other authorized documents. Tho We Of tm& ?WM8 OPRVWf&UtiMt me in~kiu?q30rt &08 not cmwtitute indorwmt ofanv oc+mmroiatpdti.