651_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

651_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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Unformatted text preview: 07Ch07.qxd 9/27/08 1:24 PM Page 645 SECTION 7.7 Plane Strain Problem 7.7-26 Solve Problem 7.7-8 by using Mohr’s circle for plane strain. Solution 7.7-26 Element in plane strain âx gxy 6 120 * 10 ây gxy 6 360 * 10 6 450 * 10 180 * 10 2 6 MAXIMUM SHEAR STRAINS a 2us2 90° 2us1 2us2 + 180° Point S1: âaver R 2(285 * 10 arctan 180 285 gmin 62 62 ) + (180 * 10 ) 32.28° Point C: âx1 165 * 10 6 PRINCIPAL STRAINS a 2up2 180° 2up1 2up2 + 180° Point P1: â1 Point P2: â2 R 2R up 2 147.72° up1 327.72° 165 * 10 165 * 10 6 6 73.9° 163.9° 172 * 10 R 6 502 * 10 6 237.72° 165 * 10 674 * 10 Point S2: âaver 6 337.08 * 10 a gmax 674 * 10 us2 57.72° 6 165 * 10 6 6 6 28.9° us1 118.9° 645 ...
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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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