Exploració per tema "FEM"
Ara es mostren els items 1-20 de 113
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A 3D finite element analysis model of single implant-supported prosthesis under dynamic impact loading for evaluation of stress in the crown, abutment and cortical bone using different rehabilitation materials
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-06-24)
Article
Accés obertIn the literature, many researchers investigated static loading effects on an implant. However, dynamic loading under impact loading has not been investigated formally using numerical methods. This study aims to evaluate, ... -
A C0 interior penalty method for 4th order PDE's
(Universitat Politècnica de Catalunya, 2019-07)
Projecte Final de Màster Oficial
Accés obertFourth order Partial Differential Equations (PDE's) arise in many different physic's fields. As an example, the research group for Mathematical and Computational Modeling at UPC LaCàN is studying flexoelectricity, a very ... -
A comparative study of the thermal behavior of three different 3D printer liquefiers
(2017-06-29)
Article
Accés obertThe expansion of 3D printing systems as mechatronic devices able to localize manufacturing activities has attracted the attention in academic and professional labs worldwide. However, little is known from a formal point ... -
A Finite Element Method Solution to the Phase-Field Model of the Stefan Problem
(Universitat Politècnica de Catalunya, 2021-01)
Treball Final de Grau
Accés obertThe heat equation is known as one of the easiest PDEs to solve. However, when we consider the case where two different phases coexist, (i.e. the so-called Stefan problem), suddenly everything becomes much harder to solve, ... -
A finite element method solution to the phase-field model of the Stefan problem
(2022-12-20)
Article
Accés obertThis work is concerned with the Phase-Field model of the Stefan problem, as well as the numerical solution with the Finite Element Method to simulate examples in two dimensions. -
A modified Taylor Galerkin scheme for turbulent compressible flow simulation
(Universitat Politècnica de Catalunya. CIMNE, 2019)
Article
Accés obertAs already demonstrated by different authors, the Taylor-Galerkin (TG) scheme, in the context of the Finite Element Method (FEM), is particularly suitable for the solution of supersonic flows. The TG scheme, using hexahedral ... -
A pseudo-DNS method for the simulation of incompressible fluid flows with instabilities at different scale
(Springer, 2020-01)
Article
Accés obertIn this work, a new model for the analysis of incompressible fluid flows with massive instabilities at different scales is presented. It relies on resolving all the instabilities at all scales without any additional model, ... -
A real-time wave monitoring application tool for wave agitation in harbors
(Universitat Politècnica de Catalunya, 2015-10)
Projecte Final de Màster Oficial
Accés obert -
A second-order semi-lagrangian particle finite element method for fluid flows
(Springer, 2019-01-01)
Article
Accés obertIn this paper, a second-order SL-PFEM scheme for solving the incompressible Navier–Stokes equations is presented. This scheme is based on the second-order velocity Verlet algorithm, which uses an explicit integration for ... -
A two-step monolithic method for the efficient simulation of incompressible flows
(2014-01)
Article
Accés restringit per política de l'editorialWe propose a simple technique for improving computationally the efficiency of monolithic velocity–pressure solvers for incompressible flow problems. The idea consists in solving the discrete nonlinear system of governing ... -
Advanced modelling of adhesive bonds in automotive components by the finite element method
(Universitat Politècnica de Catalunya, 2019-01)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Applus+ IDIADAIn the design of new components for the automotive framework, simulation methodologies are applied in order to reduce experimental costs. The inclusion of new materials leads to the need of consider effects that were not ... -
Aeroelastic study of the flutter conditions of an aircraft wing
(Universitat Politècnica de Catalunya, 2022-07-18)
Treball Final de Grau
Accés obertAircraft wings are the responsible for planes to fly, they are the main structures providing lift so that the gravity is overcome. Therefore, one must ensure that instabilities do not appear because they can lead to fatal ... -
An axisymmetric PFEM formulation for bottle forming simulation
(Springer, 2017-01)
Article
Accés obertA numerical model for bottle forming simulation is proposed. It is based upon the Particle Finite Element Method (PFEM) and is developed for the simulation of bottles characterized by rotational symmetry. The PFEM strategy ... -
Analysis of pre-tensioned structures by means of a constitutive Serial-Parallel rule of mixtures
(2017)
Text en actes de congrés
Accés obertThe main purpose of this paper is to develop a reliable method based on a three-dimensional (3D) finite-element (FE) model to simulate the constitutive behaviour of reinforced concrete structures strengthened with ... -
Analytical solution of the electromagnetic field of a current carrying conductor in multi-layer media
(Universitat Politècnica de Catalunya, 2018-05)
Treball Final de Grau
Accés obertSe trata de hallar el campo magnético producido por un hilo infinitesimal de corriente cuando hay placas, paralelas entre ellas, de distintos materiales. Para ello con las ecuaciones de Maxwell se obtiene una EDP que se ... -
Análisis de la respuesta estructural del edificio de contención de un reactor nuclear PWR frente a una secuencia de Station Blackout
(Universitat Politècnica de Catalunya, 2013-05-22)
Treball Final de Grau
Accés obertDespués del Accidente que sucedió el 11 de marzo de 2011 en la central nuclear de Daichii-Fukushima, han sido muchos los debates reabiertos acerca de la seguridad que ofrecen los reactores nucleares en operación. Debido ... -
Análisis, diseño estructural y construcción de un dron para la detección de minas antipersona
(Universitat Politècnica de Catalunya, 2016-09)
Treball Final de Grau
Accés obertEste proyecto se basa en la construcción de un prototipo de un dron para intentar solventar el problema de desminado que está presente actualmente en muchos países afectados gravemente por temas bélicos de distinta índole. ... -
Avoiding fracture instability in wedge splitting tests by means of numerical simulations
(2017)
Text en actes de congrés
Accés obertIn this paper, unstable fracture propagation obtained in a in-house performed experimentalWedge Splitting Test (WST) is simulated by means of the FEM and fracture- based zero-thickness interface elements. In order to obtain ... -
Behaviour comparison and FEM simulation of advanced and conventional ballast aggregates
(Universitat Politècnica de Catalunya, 2017-09-20)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorSince the beginning of the railways until nowadays, multiple improvements have been seen in the rolling stock and in the infrastructure. Train power has evolved from steam to diesel and lately to electricity, which is ... -
Bending-activated tensegrity
(CIMNE, 2015-10-19)
Comunicació de congrés
Accés obertThe symbiosis of tensegrity and active bending was studied in an experimental structure called “Form Follows Tension”. This paper covers all aspects of the planning process, including design, analysis, simulation and method ...