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Unformatted text preview: Exam II this Friday 2pm (March 28) In classroom DCC 324 !!! Covers Chapters 46 (L9L15) 1 page crib sheet double sided (no workedout problems) 4 problems Sample exam posted on blackboard Estimate stress graphically using Mohrs circle For a known state of plane stress plot center ( ave )  plot point X ( x , xy ) plot point Y ( y , xy ) connect X and Y through C 2 2 2 2 x y x y ave xy R + = = + The principal stresses are obtained at A and B . max,min 2 tan 2 ave xy p x y R = = Mohrs Circle for Plane Stress The three circles represent the normal and shearing stresses for rotation around each principal axis. min max max 2 1 = Radius of the largest circle yields the maximum shearing stress. Mohrs Circle for ThreeDimensional Analysis of Stress Mohrs Circle for ThreeDimensional Analysis of Stress b) the maximum shearing stress for the element is equal to the maximum in plane shearing stress a) the corresponding principal stresses are the maximum and minimum...
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This note was uploaded on 04/20/2008 for the course ENGR 2530 taught by Professor Lindaschadlerfeist during the Spring '08 term at Rensselaer Polytechnic Institute.
 Spring '08
 LINDASCHADLERFEIST
 Stress

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