Exploració per tema "Fabricació -- Models matemàtics"
Ara es mostren els items 1-18 de 18
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A hybrid numerical-experimental strategy for predicting mechanical response of components manufactured via FFF
(2022-10)
Article
Accés obertIn this paper a new methodology developed for predicting the mechanical performance of the structures additively manufactured by Fused Filament Fabrication is presented. The novelty of the approach consists in accounting ... -
A multi-criteria h-adaptive finite-element framework for industrial part-scale thermal analysis in additive manufacturing processes
(2022-12)
Article
Accés obertThis work presents an h-adaptive finite-element (FE) strategy to address the numerical simulation of additive manufacturing (AM) of large-scale parts. The wire-arc additive manufacturing is chosen as the demonstrative ... -
A scalable parallel finite element framework for growing geometries: application to metal additive manufacturing
(John Wiley & sons, 2019-09)
Article
Accés obertThis work introduces an innovative parallel, fully-distributed finite element framework for growing geometries and its application to metal additive manufacturing. It is well-known that virtual part design and qualification ... -
An adaptive Finite Element strategy for the numerical simulation of additive manufacturing processes
(Elsevier, 2021-01)
Article
Accés obertIn this work an adaptive Finite Element strategy to deal with the numerical simulation of Additive Manufacturing (AM) processes is presented. The Selective Laser Melting (SLM) is chosen as the reference technology because ... -
Dynamic industrial processes characterization by concept drift analysis
(Universitat Politècnica de Catalunya, 2021-06-30)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Estudio de algoritmos de monitorización inteligente y diagnosis de procesos industriales modelados en MATLAB-SIMULINK
(Universitat Politècnica de Catalunya, 2017-09)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorEl presente documento es la memoria del trabajo final de Master de los estudios de Master Universitario en Ingeniería de Sistemas Automáticos y Electrónica Industrial (MUESAI) en la Escuela Técnica Superior de Ingenierías ... -
Improvement of a manufacturing process for sustainability using modeling and simulation
(Universitat Politècnica de Catalunya / University of Manitoba, 2013)
Treball Final de Grau
Accés obertSustainable manufacturing provides the opportunity for companies to reduce the environmental impact of their processes by producing more efficiently. This project studies the benefits of sustainable manufacturing and shows ... -
Mathematical Models for a Batch Scheduling Problem to Minimize Earliness and Tardiness
(OmniaScience, 2018-09)
Article
Accés obertPurpose: Today’s manufacturing facilities are challenged by highly customized products and just in time manufacturing and delivery of these products. In this study, a batch scheduling problem has been addressed to enable ... -
Mechanical analysis and optimized performance of G-Code driven material extrusion components
(Elsevier, 2023-01)
Article
Accés restringit per política de l'editorialIn this work an end-to-end optimization procedure to maximize the mechanical performance of Additive Manufacturing (AM) components is presented. Material Extrusion (ME) is the selected demonstrative AM technology, but the ... -
Mechanism-Based damage and failure of Fused Filament Fabrication components
(Elsevier, 2024-02)
Article
Accés restringit per política de l'editorialFused Filament Fabrication (FFF) is a polymer-based Additive Manufacturing (AM) technology that produces complex layered components. The characterization of the inherited orthotropic properties of FFF components and their ... -
Mitigation of residual stresses and microstructure homogenization in directed energy deposition processes
(2022-12)
Article
Accés obertIn additive manufacturing (AM), residual stresses and microstructural inhomogeneity are detrimental to the mechanical properties of as-built AM components. In previous studies, the reduction of the residual stresses and ... -
New matrix methodology for algorithmic transparency in assembly line balancing using a genetic algorithm
(Elsevier, 2022-01-13)
Article
Accés obertThis article focuses on the Mixed-Model Assembly Line Balancing single-target problem of type 2 with single-sided linear assembly line configurations, which is common in the industrial environment of small and medium-sized ... -
Numerical and experimental analysis of the structural performance of AM components built by fused filament fabrication
(Springer, 2021-03)
Article
Accés restringit per política de l'editorialThis work analyses the performance of parts built by Additive Manufacturing (AM) using Fused Filament Fabrication (FFF) demonstrating the correlation between the printing orientation and structural performance. FFF components ... -
Numerical modelling of heat transfer and experimental validation in powder-bed fusion with the virtual domain approximation
(2020-01)
Article
Accés obertAmong metal additive manufacturing technologies, powder-bed fusion features very thin layers and rapid solidification rates, leading to long build jobs and a highly localized process. Many efforts are being devoted to ... -
Parametric shape optimization for combined additive–subtractive manufacturing
(2020-01)
Article
Accés obertIn industrial practice, additive manufacturing (AM) processes are often followed by post-processing operations such as heat treatment, subtractive machining, milling, etc., to achieve the desired surface quality and ... -
Smart-substrate: a novel structural design to avert residual stress accretion in directed energy deposition additive manufacturing
(Taylor & Francis Group, 2023-01)
Article
Accés obertResidual stresses, related distortions and cracks are detrimental in metallic Additive Manufacturing (AM). Previously developed stress-control strategies based on reducing thermal gradients hardly diminish the stress ... -
Substrate design to minimize residual stresses in Directed Energy Deposition AM processes
(Elsevier, 2021-04)
Article
Accés obertThis paper proposes a strategy to optimize the design of the substrate structures used in Additive Manufacturing (AM) by Directed Energy Deposition (DED) to minimize the residual stresses induced by this fabrication process. ... -
Warpage analysis and control of thin-walled structures manufactured by laser powder bed fusion
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-05)
Article
Accés obertThin-walled structures are of great interest because of their use as lightweight components in aeronautical and aerospace engineering. The fabrication of these components by additive manufacturing (AM) often produces ...