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Unformatted text preview: (in plane): = = 2 1 s s = = max II. Strains Circumferential and Longitudinal stresses: Longitudinal strain: ( ) = = c E l l 1 Circumferential strain: ( ) = = l c c E 1 Shear strain: . ) 1 ( 2 + = = = E G G xy xy Find the strains at an angle: . 35 = Method I: Strain transformation (equations or Mohrs circle) . 149 10 149 70 cos 2 306 72 2 306 72 2 sin 2 2 cos 2 2 6 1 = = + + = + + + = xy y x y x x . 229 10 229 6 1 1 = = + = x y x y . 110 10 127 70 sin 2 306 72 2 sin 2 2 6 1 1 = = = = y x y x 220 1 1 = y x . Method II: Hookes law ( ) = = 1 1 1 1 y x x E ( ) = = 1 1 1 1 x y y E = = G y x y x 1 1 1 1...
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This note was uploaded on 09/18/2011 for the course EM 319 taught by Professor Staff during the Spring '11 term at Oklahoma State.
 Spring '11
 staff

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