MAE3800Test2_4 - 4[15 points A rectangular strain gage...

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Unformatted text preview: 4. [15 points] A rectangular strain gage rosette showu in the figure reads the strains 8a = 500mb =100,£c = 200,}; -strain (a) [8 pts] Calculate strain components 8x , 3),, and 7e? (b) [7 pts] If the strain gages are placed on a material with the following properties: E =10'x106lbflin.2, v = 0.29. Calculate the stress components G'I,G'y,1'zy. 3:: ‘5}, _,..-»-~—"H H dso/f/ G.) i“ :Ii!‘ 2 Word. ghonj //45° \ _ {Wm I" 33 2‘ :fl_:_-2,oo ’1‘“ If {h : {019,54 5.5m“. WWW-"a Awe a ésfivmw + 15:35am? 1- z 2. for: “We 5190 mflwwW‘: fimlogsizfis'} 3" kit? $m(_1”|9°) '2' _ (.— IWM "s 046095? + xii U) / 1 2. 1 hi : 0.51:4} . t) Jae?“ 0}" {x2935 0" ~ in ‘7 “ I S‘coik ‘V ‘9\ SEDKWV‘: -— " (036 -—-J J- {r u f E (“E {.9 Mo“ [5! I'M" ’0’” JDEU J 0 a [Zane—t, 4 .. 6'75 5 ' L3 7; ‘ U ("a u 5" m: _ J‘O .. ._ _ —-’ _W_,#._....e.#_.____._ . 2 at“) {0—3}? 0) LA) Lm-HD‘D) l n U"’l'tt-s’l W 7, g l . X, _' -—-—-r b’ a-- I 0.3: Sunrjq fsl D Limo} ’3) (0%“) we“; 3? \___,- - H (0 SHIN) ;[zi'l '12, . ran—j ...
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