THIN SHELLS
Reduced-order models for damped geometrically non-linear vibrations of thin shells via real normal form
... as thin shells are here ...of shells-like structure, dynamical equations, derived from Von Karman’s strain-displacement relationships, contain both quadratic and cubic non-linear ...
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A simplified model for elastic thin shells
... b Laboratoire J.-L. Lions–CNRS, Boˆıte courrier 187, Universit´ e Pierre et Marie Curie, 4 place Jussieu, 75005 Paris, France, e-mail: griso@ann.jussieu.fr Abstract. We introduce a simplified model for the minimization ...
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A simplified model for elastic thin shells
... b Laboratoire J.-L. Lions–CNRS, Boˆıte courrier 187, Universit´e Pierre et Marie Curie, 4 place Jussieu, 75005 Paris, France, e-mail: griso@ann.jussieu.fr Abstract. We introduce a simplified model for the minimization of ...
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Complicated dynamics exhibited by thin shells displaying numerous internal resonances: application to the steelpan
... by thin shells displaying numerous internal resonances: application to the steelpan Olivier THOMAS ♯ , Mélodie MONTEIL ♮♭ and Cyril TOUZÉ ♭ ♯ LSIS UMR 7296, Arts et Métiers ParisTech, Lille, ...
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Adaptive mesh refinements for thin shells whose middle surface is not exactly known
... different shells, we have compared the previous strat- egy with an exact interpolation of the geometry (the added nodes are on the exact middle surface and the associated normal vectors are also ...
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SPH modeling of fluid-solid interaction for dynamic failure analysis of fluid-filled thin shells
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...
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Numerical Analysis of Junctions between Thin Shells, Part 2 : Approximation by Finite Element Methods
... Unit´e de recherche INRIA Lorraine, Technopˆole de Nancy-Brabois, Campus scientifique, ` NANCY 615 rue du Jardin Botanique, BP 101, 54600 VILLERS LES Unit´e de recherche INRIA Rennes, Ir[r] ...
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Complicated dynamics exhibited by thin shells displaying numerous internal resonances: application to the steelpan
... Modal analysis is used to characterize the linear behaviour of the structure by identifying eigenfrequencies, mode shapes and modal damping coefficients. In the experiment, the steelpan [r] ...
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Numerical Analysis of Junctions between Thin Shells, Part 1 : Continuous Problems
... Unit´e de recherche INRIA Lorraine, Technopˆole de Nancy-Brabois, Campus scientifique, ` NANCY 615 rue du Jardin Botanique, BP 101, 54600 VILLERS LES Unit´e de recherche INRIA Rennes, Ir[r] ...
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Displacement Derivatives in Shape Optimization of Thin Shells
... Unit´e de recherche INRIA Lorraine, Technopˆole de Nancy-Brabois, Campus scientifique, ` NANCY 615 rue du Jardin Botanique, BP 101, 54600 VILLERS LES Unit´e de recherche INRIA Rennes, Ir[r] ...
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Stretch-Based Hyperelastic Material Formulations for Isogeometric Kirchhoff-Love Shells
... model thin shells or membranes that undergo large strains, nonlinear material relations are required, rather than the commonly used Saint Venant-Kirchho ff ...
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Elastoplastic bifurcation and collapse of axially loaded cylindrical shells
... compressed shells using the phenomenological theory of Christoffersen and Hutchinson, and validated his numerical approach by the experimental results obtained by Batterman, Lee, Horton and Johnson in the ...
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ANALYSIS OF REINFORCED CONCRETE SHELLS WITH TRANSVERSE SHEAR FORCES
... for shells with transverse shear forces, particularly when dealing with large amounts of flexural reinforcement, small amounts of shear reinforcement and monotonic ...
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Buckling and damage resistance of transversely-loaded composite shells
... Numerical analysis results of central spanwise deformation modes for specimen R 6S 3T1 at different values of normalized center deflection.. Measured [21] central spanwise defo[r] ...
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Buckling-induced encapsulation of structured elastic shells under pressure
... spherical shells. Our shells are patterned with a regular array of circular voids and loaded by reducing the internal ...Consequently, thin membranes covering the holes are introduced in our samples ...
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Optimal Shells Formed on a Sphere. The Topological Derivative Method
... Unit´e de recherche INRIA Lorraine, Technopˆole de Nancy-Brabois, Campus scientifique, ` NANCY 615 rue du Jardin Botanique, BP 101, 54600 VILLERS LES Unit´e de recherche INRIA Rennes, Ir[r] ...
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Basic criteria to design and produce multistable shells
... deformation mode bifurcates toward an almost cylin- drical one, as shown in Figure 2. In perfectly isotropic circular discs, the structure has not a preferred bend- ing axis. All the configurations obtained by rotating ...
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Programming stiff inflatable shells from planar patterned fabrics
... Beyond geometry, such deployed structures are shells made of a collection of inflated beams and locally present highly anisotropic stiffness both for bending and stretching. In the regime of interest, the ...
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Contributions to the anisotropic elasto-plastic analysis of shells
... This work contributes to the anisotropic elasto-plastic analysis of shells by addressing key issues in developing shell elements for finite element analysis and an el[r] ...
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Optimal Design of Multiple Q-shells experiments for Diffusion MRI
... whole Fourier space, instead of on a unique sphere. These techniques require in- tensive sampling in the q-space to reconstruct E(q), and the design of a sampling strategy is crucial for the development of such methods, ...
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