...Ivana Uzelac; Hrvoje Smoljanovic; Milko Batinic; Bernardin Peroš; Ante Munjiza Purpose This paper aims to present a new numerical model for geometric nonlinear analysis of thin-shell structures based on a combined finite-discrete element method (FDEM). Design/methodology/approach The model...

... C_n being monotonic, the decomposition is finished, and r_n is the residual component. Finally, the decomposition of signal X(t) is: Shell structures Underwater technology Submarines Noise Double cylindrical shell Separate‐sound and decoupled tile...

...Smitha Gopinath; Nagesh Iyer; J. Rajasankar; Sandra D'Souza Purpose The purpose of this paper is to present integrated methodologies based on multilevel modelling concepts for finite element analysis (FEA) of reinforced concrete (RC) shell structures, with specific reference to account...

.../value The 3D version of the MITC4 element was developed. Eduardo N. Dvorkin can be contacted at: edvorkin@tenaris.com © Emerald Group Publishing Limited 2007 Even though the A‐I‐Z shell element was a breakthrough in the field of finite element analysis of shell structures, it suffers...

... a scalar value, which is certainly easier to deal with than the inertia tensor which is found in 3d beam dynamics (Ibrahimbegović and Al Mikdad, 1998 ; Al Mikdad and Ibrahimbegović, 1997). © Emerald Group Publishing Limited 2005 Shell structures Dynamics Numerical analysis...

... both optimization applications facilitated a great improvement in the emergence of new designs, they are still limited by the fact that a suitable topology must be assumed initially. Interest in stiffened plates and shell structures has been widespread in recent years due to economic and structural...

... Shell structures Strain measurement Shear strength Several problems of important physical meaning, such as incompressible elasticity, plasticity of metals or, additionally, the flow of certain fluids, involve the inclusion and treatment of the incompressibility phenomenon. However...

... be determined like the stress tensor by calculating the second derivative of the energy storage function with respect to C Equation 13 Finite element analysis Strain measurement Shell structures Modelling of material behaviour at large elastic strains as well as corresponding numerical...

... of the resistance, R_m, and the design value of the action, S_d are related to define a global safety factor γ_R: © MCB UP Limited 2002 Concrete Shell structures Numerical simulation The basic idea...

... Shell structures Finite rotation We consider nonlinear shell theories which are capable of handling the problems of large rotations. Such theories are frequently referred to as geometrically exact (see e.g. Simo and Fox, 1989), Simo et al., 1990; Ibrahimbegovic´, 1997a), since...

...) the stretches are computed by (7) © MCB UP Limited 1998 Bending behaviours Shell structures Within the finite element method, a physical structure has to be described by suitable mathematical models. One of the central goals in engineering is to find a model yielding reliable...

...‐rotational procedure Numerical methods Shell structures Spin matrix The non‐linear analysis of shell structures is still a challenging problem. Considerable progress can be made by adopting the simplest possible shell formulation which involves the combination of Morley’s triangular bending...

... structures Tangent matrices The analysis of shell structures exhibiting material and geometrical non‐linearities demands efficient computation strategies enabling accurate description of non‐linear response and numerical stability. The numerical algorithms are mostly based on the finite element...

... Finite element method Shell structures Strain Alternative lower bounds analysis of elastic thin shells of revolution Itaru Mutoh Department of Architecture and Civil Engineering, Gifu National College of Technology, Gifu, Japan, Shiro Kato Department of Architecture and Civil Engineering, Toyohashi...

... was observed in all test cases. B‐spline finite element Dynamic analysis Shearing effect Shell structures EC 13,2/3/4 240 A B-spline finite element for the dynamic analysis of sandwich shells of revolution Ayech Benjeddou Conservatoire National des Arts et Métiers, Paris, France, and Mohamed Ali Hamdi...

...Takashi Hara; Shiro Kato; Hiroshi Nakamura Reinforced concrete (R/C) hyperbolic cooling towers are the largest thin‐shell structures ever constructed. These towers stand more than 150m tall and have wall thicknesses of 0.20‐0.25m. Therefore, these can be classified as thin‐shell structures...

.... Muc, A., Rys´, J. and Latas, W., Limit load carrying capacity for spherical laminated shells under external pressure , Journal of Composite Structures, Vol. 25, 1993, pp. 295-303. Buckling Finite element method Laminated structures Optimization Shell structures ...