Reference : Vibrations asymétriques d'une coque de révolution autour d'un état d'équilibre thermo-él...
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Engineering, computing & technology : Aerospace & aeronautics engineering
http://hdl.handle.net/2268/25028
Vibrations asymétriques d'une coque de révolution autour d'un état d'équilibre thermo-élastique
French
[en] Asymmetrical vibrations of a shell of revolution round a thermo-elastic equilibrium state
Debongnie, Jean-François mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Méthodes de fabrication >]
Huck, André [ > > ]
Mol, André [ > > ]
Idelsohn, Sergio mailto [ > > ]
Jan-1974
ULG/LTAS
Rapports LTAS
50
VF22
Liège
Belgium
[en] shells of revolution ; Asymmetrical vibrations ; thermo-elastical equilibrium reference state
[en] This paper describes a theory of shells of revolution. Staring with geometrical considerations, the expression of the strains is deduced. A particular form of the displacement field is then chosen, from which follow the shell strains and changes of curvature. The equilibrium equations are then deduced from a variational point of view. Constitutive equations are then stated and simplified owing to the powers of the parameter h/R. The problem of vibrations round an equilibrium state is then formulated, including the so-called stability terms.Inertia terms are then developed. IN order to treat asymmetrical vibrations, a Fourier development of the displacements is introduced, which allows a clear separation of the eigenmodes.
CNES
CNES
Researchers ; Professionals
http://hdl.handle.net/2268/25028
This is the theoretical work which led to the implementation of element 18 in SAMCEF

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