E 16% 7:49 PM BookSc...(1).pdf MECH 6615 Applied Elasticity Quiz 4 Chapter 4 HOW ALL WORK FOR PARTIAL CREDIT. a Fall 2017 November 27, 2017 sed book, open notes and you may use all your Excel class projects as references. Be sure to show the ps. (30 Points Total) 1. Failure Modeling (10 points)- Von Mises Criteria You have a state of strain defined by the values below, note that the shear values are divided by two. If Young's modulus is 70 GPA, Poisson ratio is 0.3 and K-E/(3(1-2), G-E/(2(1+1)), λ=VE/((1+)(1-2)), calculate a. (5pts) the stress field in MPa, don't forget that the strains are in microstrains. b. (5pts) the safety factor for a Von Mises criteria if the yield stress is 500 MPa. GR my 2x2 [100 500 4001 Strain is: 500 2006-200 strains for stren = 1400 200 3001 62 707 200' 1000 40. 600 1000 No 2, Fron mures = 1/2 [( 6x-6y)² + (by-62)² + (62-6x), ² + 3. 6 (Tigt Tyst the) 11/2 + 61: 200 6y=400 32=600 Try= 1000 てんて Gvw= ' 242=300 √2 ((200-400) + (400-600) 2 + (600-20)" 6 (10003+ (400)² + (300) 2)) N 1 √2 (200) + (-200) + (400)²+ 6 (100²+ 4:00² + 300²)) 1/2 = 1967.23 X26723 a. Stress (MPa) is: 6₁ 62 b. Safety Factor= 0.617 89.90 mp 3/0 - 20x9 mp Save to my Dropbox