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    • Breakage and critical state via DEM 

      Ciantia, Matteo Oryem; O'Sullivan, Catherine; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE), 2019)
      Text en actes de congrés
      Accés obert
      Discrete-element simulations are used to explore the relation between breakage-induced grading evolution and the critical state line position on the compression plane. An efficient model of particle breakage is applied to ...

    • Breakage function determination for HPGR 

      Anticoi Sudzuki, Hernán Francisco (Universitat Politècnica de Catalunya, 2018)
      Conjunt de dades
      Accés obert
      The modelling of high pressure grinding rolls is described by the population balance model, a mass balance which includes several functions that are related to the mineral characteristics, material kinetics and operative ...

    • Breakage function for HPGR: mineral and mechanical characterization of tantalum and tungsten ores 

      Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, Eduard; Hamid, Sarbast; Oliva Moncunill, Josep; Alfonso Abella, María Pura; García-Vallès, Maite; Bascompta Massanes, Marc; Sanmiquel Pera, Lluís; Escobet Canal, Teresa; Argelaguet Isanta, María Rosa; Escobet Canal, Antoni; Felipe Blanch, José Juan de; Parcerisa Duocastella, David; Peña Pitarch, Esteve (2018-04-20)
      Article
      Accés obert
      The modelling of high pressure grinding rolls is described by the population balance model, a mass balance which includes several functions that are related to the mineral characteristics, material kinetics and operative ...

    • Breakage of an artificial crushable material under loading 

      Casini, Francesca; Viggiani, Giulia M.B.; Springman, Sarah Marcella (2013-10)
      Article
      Accés restringit per política de l'editorial
      The mechanical behaviour of granular materials depends on their grading. Crushing of particles under compression or shear modifies the grain size distribution, with a tendency for the percentage of fine material to increase. ...

    • Breakage of needle-shaped particles in a combination of compressive and shearing stress field 

      Grof, Zdenek; Stepánek, Frantisek; Rajniak, Pavol (CIMNE, 2011)
      Text en actes de congrés
      Accés obert
      In-silico experiments of needle-shaped particles breakage during shearing have been carried out using DEM simulation. Results of preliminary studies with variation of individual particle strength, compaction ratio, and ...

    • Breakdown of a 2D heteroclinic connection in the hopf-zero singularity (I) 

      Baldomá Barraca, Inmaculada; Castejón Company, Oriol; Martínez-Seara Alonso, M. Teresa (2018-10-01)
      Article
      Accés obert
      In this paper we study a beyond all orders phenomenon which appears in the analytic unfoldings of the Hopf-zero singularity. It consists in the breakdown of a two-dimensional heteroclinic surface which exists in the truncated ...

    • Breakdown of a 2D heteroclinic connection in the Hopf-zero singularity (II): The generic case 

      Baldomá Barraca, Inmaculada; Castejón Company, Oriol; Martínez-Seara Alonso, M. Teresa (2018-04-17)
      Article
      Accés obert
      In this paper, we prove the breakdown of the two-dimensional stable and unstable manifolds associated to two saddle-focus points which appear in the unfoldings of the Hopf-zero singularity. The method consists in obtaining ...

    • Breakdown of heteroclinic connections in the analytic Hopf-zero singularity: rigorous computation of the stokes constant 

      Baldomá Barraca, Inmaculada; Capinski, Maciej J.; Guàrdia Munarriz, Marcel; Martínez-Seara Alonso, M. Teresa (2023-04-01)
      Article
      Accés obert
      Consider analytic generic unfoldings of the three- dimensional conservative Hopf-zero singularity. Under open conditions on the parameters determining the singularity, the unfolding possesses two saddle-foci when the ...

    • Breakdown of heteroclinic orbits for analytic unfoldings of the hopf-zero singularity. The singular case 

      Baldomá Barraca, Inmaculada; Castejón i Company, Oriol; Martínez-Seara Alonso, M. Teresa (2011)
      Report de recerca
      Accés obert
      In this paper we prove the breakdown of an heteroclinic connection in the analytic versal unfoldings of the generic Hopf-Zero singularity. This heteroclinic orbit appears at any order if one performs the normal form around ...

    • Breakdown of heteroclinic orbits for some analytic unfoldings of the Hopf-zero singularity 

      Baldomá Barraca, Inmaculada; Martínez-Seara Alonso, M. Teresa (2004)
      Article
      Accés obert
      In this paper we study the exponentially small splitting of a heteroclinic orbit in some unfoldings of the central singularity also called Hopf-zero singularity. The fields under consideration are of the form: dx dτ = ...

    • Breakdown of homoclinic orbits to L3 in the RPC3BP (I). Complex singularities and the inner equation 

      Baldomá Barraca, Inmaculada; Giralt Miron, Mar; Guàrdia Munarriz, Marcel (2022-10-29)
      Article
      Accés obert
      The Restricted 3-Body Problem models the motion of a body of negligible mass under the gravitational influence of two massive bodies, called the primaries. If the primaries perform circular motions and the massless body ...

    • Breakdown of homoclinic orbits to L3 in the RPC3BP (II). An asymptotic formula 

      Baldomá Barraca, Inmaculada; Giralt Miron, Mar; Guàrdia Munarriz, Marcel (2021-07-21)
      Report de recerca
      Accés obert
      The Restricted 3-Body Problem models the motion of a body of negligible mass under the gravitational influence of two massive bodies called the primaries. If one assumes that the primaries perform circular motions and that ...

    • Breakdown of homoclinic orbits to L3 in the RPC3BP (II): an asymptotic formula 

      Baldomá Barraca, Inmaculada; Giralt Miron, Mar; Guardia, Marcel (Elsevier, 2023-10-01)
      Article
      Accés obert
      The Restricted 3-Body Problem models the motion of a body of negligible mass under the gravitational influence of two massive bodies called the primaries. If one assumes that the primaries perform circular motions and that ...

    • Breaker bar morphodynamics under erosive and accretive wave conditions in large-scale experiments 

      Eichentopf, Sonja; Cáceres Rabionet, Iván; Alsina Torrent, José María (2018)
      Article
      Accés obert
      Differences between breaker bar evolution under high energy (erosive) and subsequent mild energy (accretive) wave conditions are studied based on three data sets from large-scale morphodynamic experiments. Under erosive ...

    • Breaking barriers on reuse of digital devices ensuring final recycling 

      Franquesa Griso, David; Navarro Moldes, Leandro; López Álvarez, David; Bustamante, Xavier; Lamora, Santiago (Atlantis Press, 2015)
      Text en actes de congrés
      Accés obert
      Digital Devices or Electric and Electronic Equip- ment (EEE) are scrapped at an alarming rate instead of being salvaged, fixed, and reused. For the reuse sector to flourish, donors, receivers, and reuse centers need services ...

    • Breaking boundaries in CO2 capture: Ionic liquid-based membrane separation for post-combustion applications 

      Ul Mulk, Waqad; Ali, Syed Awais; Shah, Syed Nasir; Shah, Mansoor Ul Hassan; Zhang, Qi Jun; Younas, Mohammad Reza; Fatehizadeh, Ali; Sheikh, Mahdi; Rezakazemi, Mashallah (Elsevier, 2023-09-01)
      Article
      Accés obert
      As a part of global warming reduction strategies, CO2 capture and storage (CCS) is considered a promising and effective method, which can be classified as absorption and adsorption, chemical looping combustion and cryogenic ...

    • Breaking down the demographics: how demographic characteristics influence mobility behavior 

      Herrero Dominguez, Cristian (Universitat Politècnica de Catalunya, 2014-05-12)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Technische Universität Darmstadt

    • Breaking host-centric management of task-based parallel programming models 

      Bosch Pons, Jaume (Universitat Politècnica de Catalunya, 2021-07-21)
      Tesi
      Accés obert
      Heterogeneous platforms had become popular to increase the computational power of the systems within a constrained power budget. They are present in several systems, from embedded platforms and mobile devices to high-end ...

    • Breaking master-slave model between host and FPGAs 

      Bosch Pons, Jaume; Vidal, Miquel; Filgueras Izquierdo, Antonio; Álvarez Martínez, Carlos; Jiménez González, Daniel; Martorell Bofill, Xavier; Ayguadé Parra, Eduard (Association for Computing Machinery (ACM), 2020)
      Comunicació de congrés
      Accés obert
      This paper proposes to enhance current task-based programming models by breaking their current master-slave approach between the main processor and its hardware accelerators. As a proof-of-concept, it presents an extension ...

    • Breaking of scale invariance symmetry in adsorption processes 

      Pastor Satorras, Romualdo; Rubí Capaceti, José Miguel (2000-08)
      Article
      Accés obert
      Standard models of sequential adsorption are implicitly formulated in a scale invariant form, by assuming adsorption on an infinite surface, with no characteristic length scales. In real situations, however, involving ...