257_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

257_Mechanics - Sec_3.2.qxd 1:05 PM Page 251 251 SECTION 3.2 Torsional Deformations Solution 3.2-4(b MAX PERMISSIBLE OUTER RADIUS NUMERICAL DATA L

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Unformatted text preview: Sec_3.2.qxd 9/27/08 1:05 PM Page 251 251 SECTION 3.2 Torsional Deformations Solution 3.2-4 (b) MAX. PERMISSIBLE OUTER RADIUS NUMERICAL DATA L 1000 mm r1 45 mm f 0.5 a 0.45 a f p b radians 180 max (a) SHEAR STRAIN AT INNER SURFACE f r1 393 10 6 radians 1 1 L r2max p b radians 180 0.0004 radians 50.9 mm max r2max r2 f L max L f ; ; Problem 3.2-5 Solve the preceding problem if the length L 56 in., the inner radius r1 1.25 in., the angle of twist is 0.5°, and the allowable shear strain is 0.0004 rad. Solution 3.2-5 NUMERICAL DATA L 56 inches r1 f 0.5 a (b) MAXIMUM PERMISSIBLE OUTER RADIUS (r2)max a 1.25 inches f p b radians 180 max 0.0004 radians SURFACE r1 f L p b radians 180 f r2 L 0.0004 radians L r2max a f a (a) SHEAR STRAIN g1 (IN RADIANS) AT THE INNER 1 0.5 a 1 195 10 6 radians ; r2max 2.57 inches ; ...
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This note was uploaded on 12/22/2011 for the course MEEG 310 taught by Professor Staff during the Fall '11 term at University of Delaware.

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