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Ara es mostren els items 51222-51241 de 245706

    • Coupled CFD-CAA approach for rotating systems 

      Kaltenbacher, M.; Hüppe, A.; Reppenhagen, A.; Kühnel, W. (CIMNE, 2015)
      Text en actes de congrés
      Accés obert
      We present a recently developed computational scheme for the numerical simulation of flow induced sound for rotating systems. Thereby, the flow is fully resolved in time by utilizing a DES (Detached Eddy Simulation) turbulance ...

    • A coupled CFD-DEM model for sand production in oil wells 

      Climent Pera, Natalia (Universitat Politècnica de Catalunya, 2016-10-17)
      Tesi
      Accés obert
      During the oil recovery a hole is drilled, the sandstone is left unsupported next to the cavity and disloged sand grains can enter the oil recovery system. This process is called sand production and several problems may ...

    • Coupled CFD–DEM method for undrained biaxial shear test of methane hydrate bearing sediments 

      Jiang, Mingjing; Shen, Zhifu; Zhou, Wei; Arroyo Alvarez de Toledo, Marcos; Zhang, Wangcheng (2018-11)
      Article
      Accés obert
      Methane hydrate (MH), a potential source of future energy, is extensively deposited in marine sediments. It is essential to understand the mechanical properties of methane hydrate bearing sediments (MHBS) for applications ...

    • Coupled climate response to Atlantic Multidecadal Variability in a multi-model multi-resolution ensemble 

      Hodson, Daniel L. R.; Bretonnière, Pierre-Antoine; Cassou, Christophe; Davini, Paolo; Klingaman, Nicholas P.; Ruprich-Robert, Yohan (Springer, 2022-02)
      Article
      Accés obert
      North Atlantic sea surface temperatures (SSTs) underwent pronounced multidecadal variability during the twentieth and early twenty-first century. We examine the impacts of this Atlantic Multidecadal Variability (AMV), also ...

    • Coupled concentration polarization and electroosmotic circulation near micro/nanointerfaces: Taylor-Aris model of hydrodynamic dispersion and limits of its applicability 

      Yaroshchuk, Andriy; Zholkovskiy, Emiliy; Pogodin, Sergey; Baulin, Vladimir (2011-09-20)
      Article
      Accés restringit per política de l'editorial
      Mismatches in electrokinetic properties between micro- and nanochannels give rise to superposition of electroosmotic and pressure-driven flows in the microchannels. Parabolic or similar flow profiles are known to cause ...

    • Coupled distinct element method computational fluid dynamics analyses for reservoir landslide modelling 

      Utili, S.; Zhao, T.; Crosta, GB (CIMNE, 2017)
      Text en actes de congrés
      Accés obert
      The Vajont landslide involved a large mass of rock splashing at high speed into the reservoir which in turn generated a highimpulse water that overtopped the dam and swept away the downstream village. In several cases of ...

    • Coupled drive apparatus modelling and simulation 

      Centellas Gil, Victor (Universitat Politècnica de Catalunya / Univerza v Ljubljani, 2014)
      Treball Final de Grau
      Accés obert
      The coupled electric drives apparatus was designed to mimic dynamic processes as they occur in textile machines, paper mills, strip metal production plants, etc. The goal of the work is to present main system's properties. ...

    • Coupled dynamical processes in bacteria 

      Dies Miracle, Marta (Universitat Politècnica de Catalunya, 2015-10-27)
      Tesi
      Accés obert
      The main object of this Thesis is the study of the dynamical coupling between cellular processes, and how this coupling gives rise to a well-defined behavior in the presence of non-linearities and noise. Cell functioning ...

    • Coupled dynamics of solid system with slider-crank mechanisms as internal movers on rough surface with friction 

      Semendyev, Sergey V. (CIMNE, 2017)
      Text en actes de congrés
      Accés obert
      Equations of coupled dynamics of the solid system with slider-crank mechanisms as internal movers are obtained on rough surface with friction for cases of translational and rotational movement by the methods ...

    • Coupled effective stress analysis of insertion problems in geotechnics with the Particle Finite Element Method 

      Monforte Vila, Lluís; Arroyo Alvarez de Toledo, Marcos; Carbonell Puigbó, Josep Maria; Gens Solé, Antonio (Elsevier, 2018-09)
      Article
      Accés obert
      This paper describes a computational framework for the numerical analysis of quasi-static soil-structure insertion problems in water saturated media. The Particle Finite Element Method is used to solve the linear momentum ...

    • Coupled electro-elasticity at finite strains 

      Sansour, Carlo; Skatulla, Sebastian; Hijiaj, Mohamed (CIMNE, 2013)
      Text en actes de congrés
      Accés obert
      In this paper we propose a multiplicative split of the deformation gradient into a part related to the elastic behaviour of the material and further one which describes the deformation induced by the electric field. ...

    • Coupled electromechanical model of the heart: Parallel finite element formulation 

      Lafortune, Pierre; Aris, Ruth; Vázquez, Mariano; Houzeaux, Guillaume (2012-01)
      Article
      Accés restringit per política de l'editorial
      In this paper, a highly parallel coupled electromechanical model of the heart is presented and assessed. The parallel-coupled model is thoroughly discussed, with scalability proven up to hundreds of cores. This work focuses ...

    • Coupled Forecasts for Beach Decision Making. La Arena Beach case 

      Sánchez-Arcilla Rosanas, Agustín (Universitat Politècnica de Catalunya, 2019-07)
      Treball Final de Grau
      Accés restringit per decisió de l'autor

    • Coupled geomechanical phenomena in the two-phase flow analysis of air-injection tests in clay cores 

      Senger, Rainer; Romero Morales, Enrique Edgar (European Association of Geoscientists & Engineers (EAGE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Understanding gas transport processes is one of the key issues in the assessment of radioactive waste repository performance. The actual gas migration mechanisms may entail standard two-phase flow or more complex mechanisms ...

    • Coupled H-M fracture interaction using FEM with zero-thickness interface elements 

      Garolera Vinent, Daniel; Segura Serra, Josep Maria; Carol, Ignacio; Lakshmikantha, Ramasesha Mookanahallipatna; Alvarellos Iglesias, José (2017)
      Text en actes de congrés
      Accés obert
      Massive treatments of hydraulic fracturing is a procedure employed for low permeability reservoirs stimulation. This technique consists in generating a series of parallel spaced fractures parallel (multi-stage fracturing). ...

    • Coupled h-m fracture interaction using fem with zero-thickness interface elements 

      Garolera Vinent, Daniel; Segura, J. M.; Carol, Ignacio; Lakshmikantha, M.R.; Alvarellos, J. (CIMNE, 2017)
      Text en actes de congrés
      Accés obert
      Intensive hydraulic fracturing is a procedure employed for low permeability reservoir stimulation. This technique consists of generating a sequence of regularly spaced parallel fractures (multi-stage fracturing). The ...

    • Coupled heat and water flow dynamics in dry soils : application to a multilayer waste cover 

      Gran Esforzado, Meritxell (Universitat Politècnica de Catalunya, 2015-05-27)
      Tesi
      Accés obert
      Unsaturated flow plays an important role in numerous environmental phenomena. It is complex in arid regions, where liquid water fluxes are small and vapor fluxes become relevant, so that heat, water and solute mass transport ...

    • Coupled hydro-mechanical and chemical analysis of fault reactivation during CO2 injection in carbonate reservoirs 

      Guimarães, Leonardo do N; Pereira, Leonardo C.; Gomes, Igor F.; Gens Solé, Antonio (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Injection of CO2 in saline aquifers or oil reservoirs cause changes of pressure, temperature, saturation and concentrations that affect the state of stress in the host rock, resulting in porosity and permeability variations. ...

    • Coupled hydro-mechanical fault reactivation analysis 

      Pereira, Leonardo; Sánchez, Marcelo; Guimarães, Leonardo; Horowitz, Bernardo (Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica, 2015-06-02)
      Text en actes de congrés
      Accés obert

    • Coupled hydromechanical modelling of cone penetration in layered liquefiable soils 

      Boschi, Katia; Arroyo Alvarez de Toledo, Marcos; Monforte Vila, Lluís; Carbonell Puigbó, Josep Maria; Gens Solé, Antonio (2024-02)
      Article
      Accés restringit per política de l'editorial
      Soil layering modifies cone penetration measurements when the cone is close to layer boundaries. Transition zone and thin-layer effects appear, complicating interpretation. To help identify the mechanisms underlying ...