Ara es mostren els items 47212-47231 de 245836

    • Constitución de la extensión en común en la Ciudad Abierta, Chile 

      Luza Cornejo, David (Universitat Politècnica de Catalunya, 2013-05-14)
      Tesi
      Accés obert
      La Ciudad Abierta a 43 años de su fundación, ha sido construida no solo en sus edificios sino en su modo de habitarla con actos poéticos, juegos y hasta deportes. Formas que aparecen y desaparecen, formas y espacios ...
    • Constitutive and geometric nonlinear models for the seismic analysis of RC structures with energy dissipators 

      Mata, P.; Barbat Barbat, Horia Alejandro; Oller Martínez, Sergio Horacio; Boroschek Krauskopf, Rubén Luis (2008-09-01)
      Article
      Accés restringit per política de l'editorial
      Nowadays, the use of energy dissipating devices to improve the seismic response of RC structures constitutes a mature branch of the innovative procedures in earthquake engineering. However, even though the benefits derived ...
    • Constitutive model developments for compacted unsaturated fine grained soils based on porosimetry 

      Salgueiro, René; Olivella Pastallé, Sebastià; Suriol Castellví, Josep (Taylor & Francis, 2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Modeling the mechanical behavior of compacted unsaturated soils against stress and suction changes is complex. One reason is that the structure mostly depends on the initial moisture content and compaction energy applied. ...
    • Constitutive model for fibre reinforced concrete based on the Barcelona test 

      Blanco Álvarez, Ana; Pujadas Álvarez, Pablo; Pialarissi Cavalaro, Sergio Henrique; Fuente Antequera, Albert de la; Aguado de Cea, Antonio (2014-10-01)
      Article
      Accés restringit per política de l'editorial
      Several constitutive models for fibre reinforced concrete (FRC) have been reported in the past years based on the flexural performance obtained in a bending test. The Barcelona test was presented as an alternative to ...
    • Constitutive model for fibre-reinforced composite materials exposed to high temperature 

      Pacheco Blázquez, Rafael (Universitat Politècnica de Catalunya, 2021-09-06)
      Tesi
      Accés obert
      The high strength-weight ratio of composite materials have made them one of the best materials for the design of light-weight structures. However, its special complexity has made them not suitable for the design of structures ...
    • Constitutive model research of a TWIP steel processed by equal channel angular pressing 

      Wang, Lei; Benito Páramo, José Antonio; Calvo Muñoz, Jessica; Cabrera Marrero, José M. (2017-02)
      Article
      Accés restringit per política de l'editorial
      Influence of equal channel angular pressing (ECAP) on mechanical properties of a TWIP steel was studied, and the tensile true stress-strain curves of the steel were fitted by Ludwik, Hollomon and Swift three kinds of ...
    • Constitutive modeling of hot deformation of carbon steels in the intercritical zone 

      Jiménez Lugos, Juan Cancio; Cabrera Marrero, José M.; Chávez Alcalá, José Federico; Hallen López, José Manuel; López Rodríguez, Josué (2022-01-01)
      Article
      Accés obert
      A previous constitutive modeling for single-phase steels is extended using the mixing law to predict the behavior of hot deformation in the dual phase ferritic-austenitic intercritical zone of Fe-C-Mn-Si alloys. Mixing law ...
    • Constitutive modelling of bonded expansive geomaterials 

      Alonso Pérez de Agreda, Eduardo; Pinyol Puigmartí, Núria Mercè (PRESSES DE L'ECOLE NATIONALE DES PONTS ET CHAUSSES, 2008)
      Text en actes de congrés
      Accés obert
      This paper presents a discussion on existing approaches to derive constitutive models for bonded geomaterials conceived as composite materials. The methodology involves the partitioning of strains, the adoption of ...
    • Constitutive modelling of human perivascular adipose tissue 

      Vonavkova, Tereza; Horny, Lukas; Adamek, Tomas; Kulvajtova, Marketa; Zitny, Rudolf (CIMNE, 2015)
      Comunicació de congrés
      Accés obert
      The mechanical properties of adipose tissue are studied rarely despite the fact that surrounding tissue plays an important role in arterial physiology and mechanobiology. This study deals with the determination of material ...
    • Constitutive models for peat - a review 

      Zhang, Lin; O'Kelly, Brendan C. (CIMNE, 2013)
      Text en actes de congrés
      Accés obert
      This paper presents a review of the main constitutive models for peat and other highly organic soils having extremely high water content. At present, predictions of the geomechanical behaviour of such soils for design ...
    • Constitutive relation error estimator : an admissible field construction using a domain decomposition strategy 

      Florentin, Eric; Pavot, Sylvain; Magnain, Benoit; Champaney, Laurent (CIMNE, 2015)
      Text en actes de congrés
      Accés obert
      We are interested in error estimate using the constitutive relation error concept. The construction of an admissible fields is a pillar of the method and is revisited in this work using a domain decomposition ...
    • Constitutive relations to model the hot flow of commercial purity copper 

      García Fernández, Víctor Gerardo (Universitat Politècnica de Catalunya, 2004-12-16)
      Tesi
      Accés obert
      Se ha llevado a cabo un estudio con el fin de observar diferencias en el comportamiento de fluencia en caliente de los cobres refinados al fuego con una pureza de 99.9%, dicho estudio ha permitido proponer modelos para ...
    • Constitutive relationships for hot deformation of austenite 

      Mirzadeh, H.; Cabrera Marrero, José M.; Najafizadeh, A. (2011-09)
      Article
      Accés restringit per política de l'editorial
      Constitutive equations were used to derive the flow stress of a 17–4 PH stainless steel during hot compression testing. Two general methods were used: (i) a conventional method of finding apparent materials constants; and ...
    • Constitutive relationships for osteonal microcracking in human cortical bone using statistical mechanics 

      García Vilana, Silvia; Sánchez Molina, David (2023-10-11)
      Article
      Accés obert
      The post-elastic mechanical behavior of cortical bone, which is represented by extensive microcracking once the elastic regime is exceeded, has been characterized by a nonlinear constitutive relationship for osteonal ...
    • Constituyentes fibrosos de pastas y papeles : morfología, análisis microscópico 

      García Hortal, José Antonio (Departamento Ingeniería Téxtil i Papelera Especialidad Papelera y Gráfica, 1993)
      Llibre
      Accés obert
    • Constrained distributed optimization : A population dynamics approach 

      Barreiro Gómez, Julián; Quijano Silva, Nicanor; Ocampo-Martínez, Carlos (2016-07)
      Article
      Accés obert
      Large-scale network systems involve a large number of states, which makes the design of real-time controllers a challenging task. A distributed controller design allows to reduce computational requirements since tasks are ...
    • Constrained distributed optimization based on population dynamics 

      Barreiro Gómez, Julián; Quijano Silva, Nicanor; Ocampo-Martínez, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper proposes a novel methodology for solving constrained optimization problems in a distributed way, inspired by population dynamics and adding dynamics to the population masses. The proposed methodology divides the ...
    • Constrained Lagrangian dissipative contact dynamics 

      de León Rodríguez, Manuel; Lainz Valcázar, Manuel; Muñoz Lecanda, Miguel Carlos; Román Roy, Narciso (2021-12-28)
      Article
      Accés obert
      We show that the contact dynamics obtained from the Herglotz variational principle can be described as a constrained nonholonomic or vakonomic ordinary Lagrangian system depending on a dissipative variable with an adequate ...
    • Constrained minimal surfaces with differential adhesion 

      Muñoz Castro, Guillem (Universitat Politècnica de Catalunya, 2023-06)
      Treball Final de Grau
      Accés obert
      L'objectiu d'aquest treball és l'estudi de la forma d'una única cèl·lula respectant alguns paràmetres presentats en el funcional d'energia, així com l'anàlisi de sistemes de dues cèl·lules, s'imposin o no condicions de ...
    • Constrained observability method in static structural system identification 

      Lei, Jun; Nogal Macho, María; Lozano Galant, José Antonio; Xu, Dong; Turmo Coderque, José (2018-01)
      Article
      Accés obert
      Identifiability of parameters in structural system identification (SSI) is of primary importance in any SSI method. It depends on the number and the location of the measurements, which is linked with sensor configuration. ...