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- University
- Politecnico di Milano
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- Aerospace Engineering
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- Strutture Aerospaziali
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Study material for Strutture Aerospaziali, shared by the Studwiz community and reviewed by moderators.
Study material for Strutture Aerospaziali, shared by the Studwiz community and reviewed by moderators.
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SOLUZIONE TOTALE { } { } { } { } { } { } tot f c tot f c N N N q q q = + = + SOLUZIONE FONDAMENTALE /square4 Azioni interne: sistema di forze e momenti che equilibrano i carichi esterni: ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ' ' ' x y z x x y y x y y x z z r z parallelo ed equiverso all asse x r z parallelo ed equiverso all asse y m z parallelo ed equiverso all asse z dT z r z dz dT z r z dz dM z T z dz dM z T z dz dM z m z dz = − = − = = − = − /square4 Rotazione della terna di assi baricentrici rispetto alla terna di assi principali d’inerzia: 21 arctan 2 xy y x J J J α ⋅= − /square4 Azioni assiali nei correnti: i i yi x i z x y tot x y MA M N T S S A J J = ⋅ + − /square4 Flussi nei pannelli: ' ' * 0 1 1 1 1 ' * 2 2 1 2 i i pannelli celle i y x i x y x y n n i k k esterno i k m j j k k k jk jk j i i T Tq S S J J q q M q l G t q q q ϑ ϑ ϑ α = = + = = − − ⋅ ⋅ Ω + ⋅ ⋅ Ω = ⋅ = = ⋅ Ω = + ∑ ∑ ∑/dotnosp /dotnosp /dotnosp AUTOSOLUZIONI /square4 Calcolo azioni assiali e flussi autoequilibrati: { } [ ]{ } { } [ ] { } { } [ ] { } [ ] 1 c c z z z z N L q H X Ae Be X Ae Be λ λ λ λ λ − − = Ψ ′= Ψ Ψ = + ′Ψ = − − + /square4 Calcolo matrici K e M: [ ] [ ] [ ] [ ] [ ] 1 [ ] T T K L L EA lM H H Gt = = /square4 Calcolo matrici e K/tildenosp e M/tildenosp: [ ] [ ] T AK L L A = /tildenosp/tildenosp [ ] [ ] T l t M H H tl = /tildenosp/tildenosp/tildenosp /square4 Calcolo autosoluzioni: [ ] [ ] [ ] [ ] 2 2 2 2 2 1det 0 1det 0 1 0 M K M K Gt EAl M K X λ β β λ β − = − = = − = /tildenosp /tildenosp /tildenosp /tildenosp/tildenosp /tildenosp /tildenosp CONDIZIONI DI CONGRUENZA…
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