Exploració per tema "Buckling"
Ara es mostren els items 1-16 de 16
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An atomistic-based finite deformation membrane for single layer crystalline films
(2002-09)
Article
Accés obertA general methodology to develop hyper-elastic membrane models applicable to crystalline films one-atom thick is presented. In this method, an extension of the Born rule based on the exponential map is proposed. The ... -
An atomistic-based foliation model for multilayer graphene materials and nanotubes
(2013-01)
Article
Accés obertWe present a three-dimensional continuum model for layered crystalline materials made out of weakly interacting two-dimensional crystalline sheets. We specialize the model to multilayer graphene materials, including ... -
Cross-sectional optimization of perforated pallet rack columns against distortional and global buckling
(2023-11)
Article
Accés restringit per acord de confidencialitatThis paper presents a cross-sectional optimization procedure to increase the load carrying capacity of a perforated rack column under a compression load. The optimization method is based on a Genetic Algorithm (GA) combined ... -
Dimensionado en compresión en acero: el peso del pandeo
(Universitat Politècnica de Catalunya. CIMNE, 2013)
Article
Accés obertLa comprobación de la capacidad resistente de piezas comprimidas esbeltas es un problema bien codificado. Sin embargo, la no linealidad del proceso de proyecto, sumada a la no linealidad del problema físico, exige un proceso ... -
Diseño de estructuras metálicas esbeltas susceptibles de pandear. Definición de la imperfección geométrica
(Universitat Politècnica de Catalunya. CIMNE, 2015)
Article
Accés obertEl objeto del presente artículo es presentar una propuesta para comprobar la resistencia a pandeo de las estructuras metálicas de entramados, con la que se completa el método propuesto en la norma EN 1993-1-1. La idea es ... -
Estabilidad de pórticos 2D en régimen elastoplástico
(Universitat Politècnica de Catalunya. CIMNE, 2015)
Article
Accés obertEn este trabajo se determina el nivel de carga máximo de pórticos metálicos planos constituidos por barras rectas esbeltas. Se realiza un planteamiento analítico basado en un elemento barra con comportamiento elástico en ... -
Finite element analysis of compressive failure in stiffened carbon fiber panels
(Universitat Politècnica de Catalunya, 2011-09-29)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorThe use of composite materials in the aerospace industry is experiencing a large increase in recent years. Mainly they are used to build commercial aircraft fuselages. COCOMAT project had aimed to study and to improve ... -
Methodology and application to assess thermo-mechanical buckling in composite marine structures
(2023-01)
Article
Accés obertThis paper describes the research performed within the scope of H2020 project FIBRE4YARD in the development of a suitable thermo-mechanical framework to analyse composite structures under fire loads. The thermo-mechanical ... -
Modeling flexoelectricity in soft dielectrics at finite deformation
(2021-01)
Article
Accés obertThis paper develops the equilibrium equations describing the flexoelectric effect in soft dielectrics under large deformations. Previous works have developed related theories using a flexoelectric coupling tensor of mixed ... -
Non-linear thermo-mechanical buckling approach for composite laminated marine structures.
(University of Edinburgh, 2021)
Text en actes de congrés
Accés obertThis paper describes the behaviour of large-length ships built using fibre-reinforced plastic compositematerials under fire and large deformations. A novel methodology is proposed in order to analyseinelastic buckling and ... -
Structural analysis of rack upright frames under a pure compression load by means of a nonlinear Generalized Beam Theory analysis
(2023-09)
Article
Accés restringit per política de l'editorialRack uprights are commonly mono-symmetric open thin-walled members with regular perforations along their length. These perforations are used to enable the connection with Rack upright frames of conventional pallet racking ... -
Study of buckling phenomena for smart structural applications
(Universitat Politècnica de Catalunya, 2020-06-30)
Treball Final de Grau
Accés obertThis project analyses the structural instability known as buckling, both from a displacement and energypoint of view. In order to do so, first of all, a time integration method is implemented and checked to beproperly ... -
Study of Finite Elements-based reliability and maintenance algorithmic methodologies analysis applied to aircraft structures and design optimization
(Universitat Politècnica de Catalunya, 2023-10-23)
Treball Final de Grau
Accés obertThis thesis presents the development of a research methodology oriented to the analysis of an aircraft structure in terms of operational reliability and maintainability requirements regarding its airworthiness. The study ... -
Study of new design of lightweight structures for maximizing first eigenvalues
(Universitat Politècnica de Catalunya, 2023-05-17)
Treball Final de Grau
Accés obertStructural optimization and design of lightweight structures is a crucial field of study in the aeronautical industry, especially in the transition towards greener ways of transport. The main purpose of this thesis is to ... -
The Continuous Strength Method for the design of stainless steel hollow section columns
(2020-09)
Article
Accés obertThe Continuous Strength Method (CSM) provides accurate resistance predictions for both stocky and slender stainless steel cross-sections; in the case of the former, allowance is made for the beneficial effects of strain ... -
Understanding and strain-engineering wrinkle networks in supported graphene through simulations
(2014-12-01)
Article
Accés restringit per política de l'editorialWrinkle networks are ubiquitous buckle-induced delaminations in supported graphene, which locally modify the electronic structure and degrade device performance. Although the strong property-deformation coupling of graphene ...