Lektion 1

More documents

Recommendations

Info

Mass Mass lumping m = m 2 1 0 0 1
Mass Consistent mass metrix 0 L [N] T N ρA dx = Beam: m 420 156 22L 54 −13L 22L 4L 2 13L −3L 2 54 13L 156 −22L −13L −3L 2 −22L 4L 2
Page 1 and 2:
FEM M5 Introduktion til FEM Søren
Page 4 and 5:
Elementtyper 1D 1 frihedsgrad
Page 6 and 7:
Elementtyper 2D
Page 8 and 9:
Elementtyper 3D
Page 10 and 11:
Kx=F [k]{d}={R} K [Stivhedsmatrice]
Page 12 and 13:
Løsning eksempel 1
Page 14 and 15:
Matrice eksempel 2 R 1 R 2 R 3 k 1
Page 16:
• Løsning eksempel 2
Page 19 and 20:
Diskretisering af model Diskretiser
Page 21 and 22:
Mesh 21
Page 23 and 24:
Bjælkeelement. DOF = 23
Page 25 and 26:
Stivhedsmatricen ∙ u 1 v 1 θ 1 u
Page 27 and 28:
Stivhedsmatricen q 1 q 2 u 1 u 2 v
Page 29 and 30:
Stivhedsmatricen http://people.civi
Page 31 and 32:
Page 33 and 34:
Page 35 and 36:
Stivhedsmatricen 35
Page 37 and 38:
Page 39 and 40:
Page 41 and 42:
Stivhedsmatricen q 1 q 2 N 1 N 2 V
Page 43 and 44:
Stivhedsmatricen u 1 q 1 q 4 u q u
Page 45 and 46:
Page 47 and 48:
Page 49 and 50: Stivhedsmatricen u 1 q 1 q 4 u q u
Page 57 and 58: Eksempel 1 2 3 P 0 D = 0 0 0 5
Page 59 and 60: Eksempel 59 X X X X X X 0 0 0 X X X
Page 61 and 62: Eksempel 61 X X X X 0 X X 0 0 X X X
Page 63 and 64: FEM BM5 kursusgang Introduktion til
Page 65 and 66: Modal analyse Beregningsmetoden giv
Page 67 and 68: Fjeder/masse system u = u t K u = d
Page 69 and 70: Fjeder/masse system u = u sin (ωt)
Page 71 and 72: Fjeder/masse system u = u sin (ωt)
Page 73 and 74: Fjeder/masse system f = ma f = mu K
Page 75 and 76: Fjeder/masse system f = ma f = mu K
Page 77 and 78: Fjeder/masse system c = 0 f = 0 K f
Page 79 and 80: Fjeder/masse system 0 = mu + ku K m
Page 81 and 82: Fjeder/masse system 0 = mu + ku K u
Page 83 and 84: Fjeder/masse system 0 = −muω 2 s
Page 85 and 86: Fjeder/masse system 0 = −muω 2 s
Page 87 and 88: Dæmpning c = 0 C cr = 2m k m c < c
Page 89 and 90: Dæmpning c = 0 ξ < 0,15
Page 91 and 92: Dæmpning c = 0 ξ < 0,15 ω d = ω
Page 93 and 94: Dæmpning c = 0 ξ < 0,15 ω d = 30
Page 95 and 96: Matrise system D = D sin (ωt) D =
Page 97 and 98: Matrise system D = D sin (ωt) D =
Page 99: Matrise system D = D sin (ωt) D =
Page 103: Eksempel ω 1 = 3,533 ω 2 = 34,81
show all

Lektion 1

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?