Introduction to Elasticity Part 2 docx

... ($/kg) E-glass 72. 4 2. 4 2. 6 2. 54 28 .5 0.95 1.1 S-glass 85.5 4.5 2. 0 2. 49 34.3 1.8 22 –33 aramid 124 3.6 2. 3 1.45 86 2. 5 22 –33 boron 400 3.5 1.0 2. 45 163 1.43 330–440 HS graphite 25 3 4.5 1.1 1.80 140 2. 5 66–110 HM ... constant dependent on the type of lattice (2 for NaCl). Use this to obtain the relation K V 0 =  d 2 U dV 2  V =V 0 = 1 9c 2 N 2 r 2 · d...

Ngày tải lên: 11/08/2014, 09:20

... a position r =  x 2 + y 2 + z 2  1 /2 can be shown to be Ω 1 (r)= β 3 √ π exp(−β 2 r 2 )= β 3 √ π exp  −β 2  x 2 + y 2 + z 2  The parameter β is a scale factor related to the number of units ... moved to x 2 = λ x x, y 2 = λ y y,z 2 = λ z z. The configurational probability of a segment being found in this stretched state is then Ω 2 = β 3 √ π exp  −β 2...

Ngày tải lên: 11/08/2014, 09:20

... The total stress acting upward on the punch face is therefore σ 1 = p + k =2k  1+ π 2  The ratio of punch pressure to the tensile yield strength 2k is σ 1 2k =1+ π 2 =2. 571 The factor 2. 571 ... the 2- direction, given by  2 =0= 1 E [σ 2 − ν(σ 1 + σ 3 )] Since ν =1 /2 in plastic flow, σ 2 = 1 2 (σ 1 + σ 3 ) The hydrostatic component of stress is then p = 1 3 (σ 1 + σ 2 +...

Ngày tải lên: 11/08/2014, 09:21

... current : Introduction to Electronics 13 Amplifier Cascades + - v i1 A voc1 v i1 + - R i1 R o1 i i1 + - v o1 = v i2 A voc2 v i2 + - R i2 R o2 i i2 i o2 v o2 + - Amplifier 1 Amplifier 2 Fig. 25 . ... cascade. A v v v o i 1 1 1 = (16) + - v i1 A voc v i1 + - R i1 R o2 i i1 i o2 v o2 + - Fig. 26 . Model of cascade. A v v v v v o i o o 2 2 2 2 1 == (17) A v v v v AA voc o i o o vv...

Ngày tải lên: 14/08/2014, 02:21

... of anything to write about." That's strange, because life is fascinating. The solution is to open yourself to experience. To look around. To describe what you see and hear. To read. Reading ... entries, you may want to make an index or to group passages according to subject. A commonplace book will help your writing in several ways. It will be a storehouse of topic...

Ngày tải lên: 26/01/2014, 00:20

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Ngày tải lên: 06/05/2014, 11:16

... C<1 /2. (b) BC < 1 /2. (c) |B −C| < 1 /2. (d) max{B,C} < 1 /2. (e) min{B,C} < 1 /2. (f) B<1 /2 and 1 −C<1 /2. (g) conditions (c) and (f) both hold. (h) B 2 + C 2 ≤ 1 /2. (i) (B −1 /2) 2 +(C ... = π(1 /2) 2 π(1) 2 = 1 4 . 2. L> √ 3if|r| < 1 /2, which occurs with probability 1 /2 −(−1 /2) 1 −(−1) = 1 2 . 3. L> √ 3if2π/3 <α<4π/3, which o...

Ngày tải lên: 04/07/2014, 10:20

... Allergy 20 05; 60:583–601. 42. Hamilos DL. Chronic sinusitis. J Allergy Clin Immunol 20 00; 106 :21 3 22 7. 43. Hamilos DL. Non infectious sinusitis. Allergy Clin Immunol Int 20 01; 13: 27 – 32. 44. Hamilos ... direction to avoid an inadvertent penetration and drainage of these structures (22 ,23 ,25 ,26 ). Anatomic Variations and Congenital Abnormalities The nasal anatomy is unique a...

Ngày tải lên: 10/08/2014, 03:20

... scalar notation, they become @ 2 e x @y 2 þ @ 2 e y @x 2 ¼ 2 @ 2 e xy @x@y @ 2 e y @z 2 þ @ 2 e z @y 2 ¼ 2 @ 2 e yz @y@z @ 2 e z @x 2 þ @ 2 e x @z 2 ¼ 2 @ 2 e zx @z@x @ 2 e x @y@z ¼ @ @x À @e yz @x þ @e zx @y þ @e xy @z  @ 2 e y @z@x ¼ @ @y À @e zx @y þ @e xy @z þ @e yz @x  @ 2 e z @x@y ¼ @ @z À @e xy @z þ @e yz @x þ @e zx @y  (2: 6 :2) It ......

Ngày tải lên: 10/08/2014, 11:22