628_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

X z a y d c h f o x b b probs 77 1 and 77 2 solution

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Unformatted text preview: (a) y d c h f O x b (b) Probs. 7.7-1 and 7.7-2 Solution 7.7-1 Plate in biaxial stress For u ¢d f 26.57°, âx1 âx1L d 6 130.98 * 10 0.00117 in. ; (b) CHANGE IN ANGLE f Eq. (7-68): a For u b ây f Ld h 8.0 in. 125 * 10 1b 2 + h2 h arctan b âx 4.0 in. 6 gxy 195 * 10 6 0 ây âx + 2 6 128 * 10 6 rad (decrease) 2 cos 2u + ¢c gxy 2 sin 2u rad ; Angle c increases the same amount that f decreases. 8.944 in. âx + ây 128.0 * 10 (c) CHANGE IN ANGLE c (a) INCREASE IN LENGTH OF DIAGONAL âx1 26.57°: a gxy sin2u ây) sin u cos u Minus sign means line Od rotates clockwise (angle f decreases). ¢f 26.57° f (âx 128 * 10 6 rad (increase) ;...
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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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