Rasmus ÿstergaard forside 100%.indd - Solid Mechanics
Rasmus ÿstergaard forside 100%.indd - Solid Mechanics Rasmus ÿstergaard forside 100%.indd - Solid Mechanics
σn un(x1) σn = σn(un). σn, ˆσ, u ∗ n,
J = Γ ∂ui Φdy − σijnj ds, ∂x1 Γ nj ɛ Φ Φ= 0 σijdɛij. uE n JR = 0 σnδun + Gtip, E E un un ≡ un(x1 = a0). JR, uE n , ∗ un Jss =Γ0 +Gtip, Γ0 = u∗ n 0 σnduE n σ(un) = dJR(un) duE . n Gtip Γ0 Gtip ˆσ tip utip,∗ n .
- Page 1: Technical University of Denmark Dep
- Page 4 and 5: £ ¥ § © ¥ § £ § ¥
- Page 6 and 7: £ ¥ § © ¥ § £ § ¥
- Page 8 and 9: ¢ ¢ ¥ § ©
- Page 10 and 11: Sandwich columns Composite Structur
- Page 12 and 13: γ
- Page 14 and 15: μi, Ei νi (i =1, 2)
- Page 16 and 17: K K = σCL iɛ+1
- Page 18 and 19: sij = ⎡ ⎢ ⎣ ν21 ν31 − −
- Page 20 and 21: ρ ρ
- Page 24 and 25: utip,∗
- Page 26 and 27: σn ˆσ ˙λ
- Page 28 and 29: σ I n = un u∗ σ(λmax) n λmax
- Page 30 and 31: ˙δi
- Page 32 and 33: • •
- Page 34 and 35: M ∗ = Phχ+ M χ
- Page 36 and 37: z1 z2 M = 0 M =0. ψ
- Page 38 and 39: ω
- Page 40 and 41: σ12H/P =0.1, 0.05, 0.01
- Page 42 and 43: B, G = (s′ 11 )#2 2B2 2 2 P M +
- Page 44 and 45: P ΔPFB Initiation ψ = −45 ◦
- Page 46 and 47: Jc [J/m 2 ] Jc [J/m 2 ] 1000 800 60
- Page 48 and 49: 2
- Page 50 and 51: Outward buckling of initially debon
- Page 52 and 53: Pcr P gl 1 0.8 0.6 0.4 0.2 0.01 0.0
- Page 54 and 55: 0.6 0.5 0.4 0.3 0.2 0.1 initial cra
- Page 56 and 57: P P gl P P gl 1 0.8 0.6 0.4 0.2 1 5
- Page 58 and 59: ˆσ
- Page 60 and 61: JR σn σt U ∗ n JR
- Page 62 and 63: E
- Page 64 and 65: σn(Un/H)ℓ EfH = Pn EfH σt(Ut
- Page 66 and 67: (Ut ≡ 0)
- Page 68 and 69: Γ/HEf.
- Page 70 and 71: α
σn<br />
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un(x1)<br />
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σn = σn(un).<br />
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σn,<br />
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ˆσ,<br />
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u ∗ n,
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