Now showing items 21-40 of 144

    • Álgebra lineal y geometría para la ingeniería 

      García Planas, María Isabel (Maria Isabel Garcia Planas, 2011)
      Book
      Open Access
      Este libro recoge el material preparado para estudiantes de la asignatura de geometr´ıa de los cursos de grado de ingenier´ıa en tecnolog´ıas industriales, ingenier´ıa qu´ımica y grado de ingenier´ıa de materiales de la ...
    • Basic metric geometry 

      Fernández Sánchez, Joaquín; Ramos Cabal, Alba (Universitat Politècnica de Catalunya, 2019-10-21)
      Lecture notes
      Open Access
    • Behavior of three-phase inverters under grid faults explained from a geometric perspective 

      Rolán Blanco, Alejandro (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      The aim of this work is to analyze the dynamic behavior of inverters powered by renewable energy sources (RES) operating under grid faults by means of a geometric point of view. To this purpose, a three-phase grid-connected ...
    • Blending isogeometric analysis and local maximum entropy meshfree approximants 

      Rosolen, Adrián; Arroyo Balaguer, Marino (2013-09)
      Article
      Open Access
      We present a method to blend local maximum entropy (LME) meshfree approximants and isogeometric analysis. The coupling strategy exploits the optimization program behind LME approximation, treats isogeometric and LME basis ...
    • Commensurations and metric properties of Houghton's groups 

      Burillo Puig, José; Cleary, Sean; Martino, Armando; Röver, Claas E. (2016-12-01)
      Article
      Open Access
      We describe the automorphism groups and the abstract commensurators of Houghton’s groups. Then we give sharp estimates for the word metric of these groups and deduce that the commensurators embed into the corresponding ...
    • Computer-aided design: development of a software tool for solving loci problems 

      Hernández Díaz, David; Hernández Abad, Francisco; Hernández Abad, Vicente; Villar Ribera, Ricardo Alberto; Julian, Fernando; Rojas Sola, Jose Ignacio (2023)
      Article
      Open Access
      In this work, we developed a software tool for the simplified, automated definition and viewing of loci in the plane, an essential task in the design, engineering and architectural fields. The process was started by ...
    • Construcció de superfícies mitjançant funcions spline 

      Brunet Crosa, Pere (Universitat Politècnica de Barcelona. Centre de Càlcul, 1981-06)
      Article
      Open Access
      La contrucción de una superficie que interpole un conjunto de puntos dados con unos ciertos requisitos de suavidad y continuidad es un problema de gran importancia tanto en aplicaciones de diseño gráfico como en el ...
    • Continuous symmetry and shape measures 

      Perarnau Llobet, Guillem; Pfeifle, Julián; Saludes Closa, Jordi (Centre de Recerca Matemàtica, 2010-06)
      Part of book or chapter of book
      Open Access
    • Coupling symmetries with Poisson structures 

      Laurent-Gengoux, Camille; Miranda Galcerán, Eva (2012-10-30)
      Research report
      Restricted access - author's decision
      In this paper we study normal forms problems for integrable systems on Poisson manifolds in the presence of additional symmetries. The symmetries that we consider are encoded in actions of compact Lie groups. The ...
    • Crystal growth and soil expansion: the role of interfacial pressure and pore structure 

      Ramon Tarragona, Anna; Alonso Pérez de Agreda, Eduardo (CRC Press, 2014)
      Conference report
      Restricted access - publisher's policy
      The paper summarizes first a set of field observations in connection with the severe heave experienced by Lilla tunnel excavated in a Tertiary anhydritic claystone. Heave and swelling pressures against the tunnel rigid ...
    • ¿Cuánto mide? Una experiencia reflexiva previa como inicio de los estudios de arquitectura 

      Galera-Rodríguez, Andrés; González-Gracia, Elena; Cabezas-García, Gracia (Grup per a la Innovació i la Logística Docent en l'Arquitectura (GILDA) / Universitat Politècnica de Catalunya. Iniciativa Digital Politècnica, 2022-11-04)
      Conference report
      Open Access
      To be familiar with exact measurements in architecture is not always an easy task, even more so at the beginning of the profession. This educational experience aims to make new students think about how the size of other ...
    • Defining an2-disparity measure to check and improve the geometric accuracy of noninterpolating curved high-order meshes 

      Ruiz Gironés, Eloi; Sarrate Ramos, Josep; Roca Navarro, Francisco Javier (Elsevier, 2015)
      Conference report
      Open Access
      We define an2-disparity measure between curved high-order meshes and parameterized manifolds in terms of an2norm. The main application of the proposed definition is to measure and improve the distance between a curved high-order ...
    • Diseño de estructuras desplegables con barras rectas articuladas 

      Avellaneda, O. F. (Editorial de la Facultad de Arquitectura, Urbanismo y Diseño de la Universidad Nacional de Córdoba., 2021-12-13)
      Article
      Open Access
      El presente artículo describe el desarrollo de estructuras desplegables, presentando un caso de estudio realizado como prototipo a escala real, apoyado en el diseño computacional y la fabricación digital: el Pabellón Vértex ...
    • Diseño y análisis de la variante sur de Moià 

      Miguel Castillo, Ana (Universitat Politècnica de Catalunya, 2013-07-11)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      El presente documento corresponde al proyecto final de carrera de Ingeniería Técnica en Topografía de Ana Miguel Castillo. En este proyecto se lleva a cabo la creación de un nuevo vial en el municipio de Moià, esté nuevo ...
    • Economic uncertainty: a geometric indicator of discrepancy among experts’ expectations 

      Claveria González, Oscar; Monte Moreno, Enrique; Torra Porras, Salvador (2018-01-01)
      Article
      Open Access
      In this study we present a geometric approach to proxy economic uncertainty. We design a positional indicator of disagreement among survey-based agents’ expectations about the state of the economy. Previous dispersion-based ...
    • Emmy Noether: una contribución extraordinaria y generosa al establecimiento de la Geometría Algebraica 

      Mallavibarrena, Raquel (2009-02-18)
      Audiovisual
      Open Access
      En la charla se mostrará la importante contribución de la investigación desarrollada por Emmy Noether sobre la teoría de ideales a los fundamentos de la Geometría Algebraica. Su alumno Van der Waerden tuvo un papel clave ...
    • Estrategias de Modelado formal en la Sagrada Familia 

      Núñez Andrés, María Amparo; Buill Pozuelo, Felipe; Mesa Gisbert, Andrés de; Regot Marimón, Joaquín Manuel (Laboratorio de Estudios Urbanos, Universidad del Bío-Bío / Centre de Política de Sòl i Valoracions, 2005-10)
      Conference report
      Open Access
      This paper explain the inverse engineering process to obtain an accuracy three-dimensional model of a big window module located in upper left side of the Sagrada Familia temple. The aim is to define a process to generate ...
    • Estudi de les forces aerodinàmiques en una esfera llisa i una esfera rugosa 

      Caldés Tovar, Eduard (Universitat Politècnica de Catalunya, 2021-05-12)
      Bachelor thesis
      Restricted access - author's decision
      El projecte te l’objectiu de realitzar un estudi de les forces aerodinàmiques sobre 2 geometries proposades per el departament de Mecànica de Fluids. Les dues geometries constaran d’una esfera llisa i una esfera rugosa, ...
    • Estudi de viabilitat d'una superfície amb geometria variable 

      Torredemer Tenesa, Sergi (Universitat Politècnica de Catalunya, 2018-06)
      Master thesis
      Restricted access - author's decision
      L’objectiu d’aquest Treball de Fi de Màster és l’estudi de la viabilitat conceptual de la construcció i instal·lació d'un dispositiu que permeti modificar la seva geometria (cota Z), i d’aquesta manera replicar en remot ...
    • Estudio de la geometría superior en el Curso Militar de Mathematicas (1753-1756) de Pedro Padilla 

      Blanco Abellán, Mónica (Ediciones Universidad de Salamanca, 2021-12-28)
      Article
      Open Access
      Toward the end of 1750, an Academy of Mathematics was established at the Royal Guards Barracks in Madrid and was ruled by Pedro Padilla (1724-1807?) until it was dissolved in 1760. In 1753, Padilla authored and published ...