Browsing by Author "García Senz, Domingo"Més informacióMés informació

Now showing items 1-20 of 46

    • A moderately-sized nuclear network to assist multi-D hydrodynamic simulations of supernova explosions 

      Sanz, Axel; Cabezón Gómez, Rubén Martín; García Senz, Domingo (2022)
      Article
      Open Access
      A key ingredient in any numerical study of supernova explosions is the nuclear network routine that is coupled with the hydrodynamic simulation code. When these studies are performed in more than one dimension, the size ...

    • A particle code for deflagrations in white dwarfs. I. Numerical techniques 

      García Senz, Domingo; Bravo Guil, Eduardo; Serichol Augué, Núria (1998-03)
      Article
      Restricted access - publisher's policy
      In this paper we report some specific features of the numerical technique used to study the dynamic evolution of massive white dwarfs following the explosive ignition of nuclear fuel under degenerate conditions. We focus ...

    • A three-dimensional picture of the delayed-detonation model of type Ia supernovae 

      Bravo Guil, Eduardo; García Senz, Domingo (2008-02)
      Article
      Open Access
      Aims. Deflagration models poorly explain the observed diversity of SNIa. Current multidimensional simulations of SNIa predict a significant amount of, so far unobserved, carbon and oxygen moving at low velocities. It has ...

    • AMPLIACIÓ DE FÍSICA (Examen 1r quadrim.) 

      García Senz, Domingo (Universitat Politècnica de Catalunya, 2002-01-15)
      Exam
      Restricted access to the UPC academic community

    • Axisymmetric magneto-hydrodynamics with SPH 

      García Senz, Domingo (2022)
      Conference lecture
      Open Access
      Many interesting terrestrial and astrophysical scenarios involving magnetic fields can be approached in axial geometry. Even though the Lagrangian smoothed particle hydrodynamics (SPH) technique has been successfully ...

    • Axisymmetric smoothed particle hydrodynamics with self-gravity 

      García Senz, Domingo; Relano, A; Cabezón Gómez, Rubén Martín; Bravo Guil, Eduardo (2009-01)
      Article
      Open Access
      The axisymmetric form of the hydrodynamic equations within the smoothed particle hydrodynamics (SPH) formalism is presented and checked using idealized scenarios taken from astrophysics (free fall collapse, implosion and ...

    • Beyond the bubble catastrophe of type Ia supernovae: Pulsating reverse detonation models 

      Bravo Guil, Eduardo; García Senz, Domingo (2006-05)
      Article
      Restricted access - publisher's policy

    • Building initial models of rotating white dwarfs with SPH 

      Blanco Iglesias, José Miguel; García Senz, Domingo; Cabezón Gómez, Rubén Martín (2019)
      Conference lecture
      Open Access
      A general procedure to build self-gravitational, rotating equilibrium structures with the Smoothed Particle Hydrodynamics (SPH) technique does not exist. In particular, obtaining stable rotating configurations for white ...

    • Collision of detonation waves and its implications in the nucleosynthesis of Type Ia supernovae 

      García Senz, Domingo; Bravo Guil, Eduardo (2001-05)
      Article
      Restricted access - publisher's policy

    • Computer simulations using implicit Lagrangian hydrodynamics in 3D 

      Escartín Vigo, José Antonio; García Senz, Domingo; Bravo Guil, Eduardo (2011)
      Conference lecture
      Open Access
      The method known as Smoothed Particle Hydrodynamics (SPH) is an important tool in modern numerical Astrophysics. It has been extensively used to simulate a large number of systems ranging from planets to clusters of ...

    • Consequences of the Collision Between the Gas Ejected in the Collapse of a White Dwarf and a Low-Mass Star 

      Serichol Augué, Núria; García Senz, Domingo; Bravo Guil, Eduardo (1998-06)
      Article
      Restricted access - publisher's policy

    • Conservative, density-based smoothed particle hydrodynamics with improved partition of the unity and better estimation of gradients 

      García Senz, Domingo; Cabezón Gómez, Rubén Martín; Escartín, José Antonio (EDP Sciences, 2022-03-01)
      Article
      Open Access
      Context. The accurate evaluation of gradients is a cornerstone of the smoothed particle hydrodynamics (SPH) technique. Using an integral approach to estimating gradients has been proven to substantially enhance its accuracy, ...

    • Constraining deflagration models of type Ia supernovae through intermediate-mass elements 

      García Senz, Domingo; Bravo Guil, Eduardo; Cabezón Gómez, Rubén Martín; Woosley, S E (2007-05)
      Article
      Restricted access - publisher's policy
      The physical structure of a nuclear flame is a basic ingredient of the theory of Type Ia supernovae (SNe Ia). Assuming an exponential density reduction with several characteristic times, we have followed the evolution of ...

    • Coulomb corrections to the equation of state of nuclear statistical equilibrium matter: implications for SNIa nucleosynthesis and the accretion-induced collapse of white dwarfs 

      Bravo Guil, Eduardo; García Senz, Domingo (1999-08)
      Article
      Open Access
      Coulomb corrections to the equation of state of degenerate matter are usually neglected in high-temperature regimes, owing to the inverse dependence of the plasma coupling constant, G, on temperature. However, nuclear ...

    • Curs 0: preparació per als estudis a l’EEBE 

      Tornil Sin, Sebastián; Botey Cumella, Muriel; Alarcón Jordán, Marta; Alcaraz Sendra, Olga; Ametller Congost, Lluís; Bruna Escuer, Pere; Camps Anaya, Germinal; Carmona Mejías, Ángeles; Claverol Aguas, Mercè; Crespo Artiaga, Daniel; Pablo Ribas, Joan de; Barrio Casado, María del; Valle Mendoza, Luis Javier del; Encinas Bachiller, Andrés Marcos; Farran Marsà, Adriana; Florido Pérez, Antonio; Gámez López, Antonio; García Senz, Domingo; Gibert Agulló, Oriol; Ikhouane, Fayçal; Jiménez Jiménez, María José; José Pont, Jordi; Linares Alegret, Manuel; Lloveras Muntané, Pol Marcel; López López, José; Macovez, Roberto; Mas Blesa, Albert; Mitjana Riera, Margarida; Muñoz Romero, José; Pardo Soto, Luis Carlos; Periago Oliver, M. Cristina; Pineda Soler, Eloi; Pradell Cara, Trinitat; Ruiz Ordóñez, Magda; Sala Cladellas, Glòria; Soler Turu, Lluís; Tamarit Mur, José Luis; Vendrell Villafruela, Xavier; Zanuy Gomara, David (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2022-05)
      Article
      Open Access
      Aquest article presenta el desenvolupament i primers resultats d'ús d'un conjunt de cursos virtuals que pretenen proporcionar uns coneixements inicials bàsics de Matemàtiques, Física i !ímica als estudiants que accedeixen ...

    • Detailed spectral modeling of a three-dimensional pulsating reverse detonation model: Too much nickel 

      Baron, E; Jeffery, D J; Branch, D; Bravo Guil, Eduardo; García Senz, Domingo; Hauschildt, P H (2008-01)
      Article
      Restricted access - publisher's policy
      We calculate detailed non-LTE synthetic spectra of a pulsating reverse detonation (PRD) model, a novel explosion mechanism for Type Ia supernovae. While the hydro models are calculated in three dimensions, the spectra use ...

    • Explosion of fast spinning Sub-Chandrasekhar mass white dwarfs 

      Cabezón Gómez, Rubén Martín; García Senz, Domingo (Springer International Publishing, 2018)
      Conference lecture
      Restricted access - publisher's policy
      We study the explosion of rotating sub-Chandrasekhar mass white dwarfs using three-dimensional hydrodynamic simulations. High rotational speeds are assumed in order to significantly distort the initial spherical geometry ...

    • Gamma-ray emission from SN2014J near maximum optical light 

      Isern Vilaboy, Jordi; Jean, Pierre; Bravo Guil, Eduardo; Knodlseder, Jurgen; Lebrun, François; Churazov, Eugene; Sunyaev, Rashid; Domingo, Alberto; Badenes Montoliu, Carles; Hartmann, Dieter, H; Hoeflich, Peter; Renaud, Matthieu; Soldi, Simona; Elias Rosa, Nancy; Hernanz, Margarita; Domínguez Aguilera, Inmaculada; García Senz, Domingo; Lichti, G.G.; Vedrenne, G.; Von Ballmoos, Peter (EDP Sciences, 2016-04)
      Article
      Open Access
      Context. The optical light curve of Type Ia supernovae (SNIa) is powered by thermalized gamma-rays produced by the decay of 56Ni and 56Co, the main radioactive isotopes synthesized by the thermonuclear explosion of a C/O ...

    • Gamma-ray emission from type Ia supernovae 

      Isern Vilaboy, Jordi; Bravo Guil, Eduardo; Hirschmann, Alina; García Senz, Domingo (2004-02)
      Article
      Restricted access - publisher's policy
      The explosion mechanism associated with thermonuclear supernovae is still a matter of debate. Since huge amounts of radioactive elements are synthesized during such explosions, it is possible to use the associated γ-ray ...

    • Gamma-ray spectrum of type Ia supernovae 

      Isern Vilaboy, Jordi; Bravo Guil, Eduardo; Gómez, J.; García Senz, Domingo; Jean, Pierre (1999-12)
      Article
      Restricted access - publisher's policy
      The explosion mechanism associated with thermonuclear supernovae (SNia) is still a matter of debate. In this paper we examine the 'f-ray emission of the radioactive debris predicted by the different theoretícal models ...