Browsing by Subject "Structural optimization"
Now showing items 1-16 of 16
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A microarchitecture design methodology to achieve extreme isotropic elastic properties of composites based on crystal symmetries
(2021-05)
Article
Open AccessThe present contribution describes an optimization-based design technique of elastic isotropic periodic microarchitectures with crystal symmetries aiming at the realization of composites with extreme properties. To achieve ... -
Comparación de algoritmos para optimización estructural basada en confiabilidad
(Universitat Politècnica de Catalunya. CIMNE, 2018)
Article
Open AccessEl diseño de estructuras confiables requiere de herramientas robustas que permitan analizar el comportamiento del sistema sometido a variabilidad en su resistencia y cargas aplicadas. Para esto, se disponen de diversas ... -
Diseño óptimo robusto utilizando modelos Kriging: aplicación al diseño óptimo robusto de estructuras articuladas
(Universitat Politècnica de Catalunya. CIMNE, 2014)
Article
Open AccessEl problema de diseño óptimo robusto de estructuras es una tarea computacionalmente costosa como consecuencia del acoplamiento de los procesos de cuantificación de incertidumbre y de optimización. Para hacer frente a este ... -
Disseny, càlcul i projecte de l’estructura d’un poliesportiu
(Universitat Politècnica de Catalunya, 2014-07)
Bachelor thesis
Open AccessEl present Treball Final de Grau neix de l’interès per ampliar els coneixements assolits durant la carrera en l’àmbit de les estructures; i té com a objectiu realitzar el disseny, el càlcul i el projecte de l’estructura ... -
Elemento de unión para contenedores de carga maritimos: uso de estructuras recicladas para construcción de edificaciones en altura
(Universitat Politècnica de Catalunya, 2014-09)
Master thesis
Open AccessLos contenedores de carga que son utilizados para el transporte marítimo han sido diseñados de modo que al momento de su uso tengan la mayor facilidad para su movimiento y traslado ya que al ser elementos que se usan a ... -
Improved dynamical particle swarm optimization method for structural dynamics
(2019-06)
Article
Open AccessA methodology to the multiobjective structural design of buildings based on an improved particle swarm optimization algorithm is presented, which has proved to be very efficient and robust in nonlinear problems and when ... -
Un nuevo enfoque de optimizacion de estructuras por el metodo de los elementos finitos
(Universitat Politècnica de Catalunya, 2011-07-25)
Bachelor thesis
Open AccessEl objetivo de la optimización topológica de estructuras es obtener la distribución óptima del material (indicando las zonas donde hay y no hay) predefinido en un dominio cumpliendo las condiciones establecidas, es decir, ... -
Optimización de forma de modelos paramétricos bidimensionales basada en ponderación geométrica y reglas evolutivas
(Universitat Politècnica de Catalunya. CIMNE, 2012)
Article
Open AccessEn este trabajo se presenta un método para la optimización de forma de modelos bidimensionales sometidos a casos de carga simple o múltiple. La optimización se realiza aplicando iterativamente reglas evolutivas, basadas ... -
Otimização baseada em confiabilidade para uma célula de carga multiaxial utilizando algoritmos genéticos
(Universitat Politècnica de Catalunya. CIMNE, 2016)
Article
Open AccessA construção de uma célula de carga multiaxial requer ferramentas robustas a fim de analisar o comportamento da mesma quando submetida a carregamentos estáticos e dinâmicos. Neste trabalho, é dada uma ênfase ao problema ... -
Sensitivity of the thermomechanical response of elastic structures to microstructural changes
(2015-09)
Article
Open AccessThis paper is focused on the analysis of the sensitivity of the thermomechanical response of a macroscopic elastic body to changes that occur at the microstructure. This problem is a key issue in material design. The ... -
SIMP-ALL: a generalized SIMP method based on the topological derivative concept
(John Wiley & sons, 2019-10-19)
Article
Open AccessTopology optimization has emerged in the last years as a promising research fieldwith a wide range of applications. One of the most successful approaches, theSIMP method, is based on regularizing the problem and proposing ... -
Study of numerical techniques for structural optimization in aeronautics
(Universitat Politècnica de Catalunya, 2014-06)
Bachelor thesis
Restricted access - author's decisionThe present project is concerned with the study of the most recent numerical simulations for structural optimization problems in aeronautics. Different techniques will be studied in order to solve non-linear constrained ... -
Symmetry considerations for topology design in the elastic inverse homogenization problem
(2019-07)
Article
Open AccessAn analysis of the symmetries characterizing the micro-architecture topologies and the elastic material properties is performed. The goal is to elucidate a systematic procedure that facilitates the design of elastic ... -
Topological sensitivity analysis in heterogeneous anisotropic elasticity problem: theoretical and computational aspects
(2016-11)
Article
Open AccessThe topological sensitivity analysis for the heterogeneous and anisotropic elasticity problem in two-dimensions is performed in this work. The main result of the paper is an analytical closed-form of the topological ... -
Topology design of 2D and 3D elastic material microarchitectures with crystal symmetries displaying isotropic properties close to their theoretical limits
(Elsevier, 2020-03)
Article
Open AccessThis paper evaluates the effect that different imposed crystal symmetries have on the topology design of two-phase isotropic elastic composites ruled by the target of attaining extreme theoretical properties. Extreme ... -
Wind tunnel tests around bluff-bodies of circular base to optimize space grid envelope structures for high-rise steel buildings
(CRC Press, 2016)
Conference report
Restricted access - publisher's policyThe growing interest in the use of steel space grids as structural envelope elements for tall buildings leads structural concept to gain relevance in the design and aesthetics of the building. Therefore, to speak of a ...
