• J. Oliver, A. Huespe, M. Valentín, E. Samaniego
    International Journal for Numerical Methods in Engineering (2003). Vol. 56 (7), pp. 1051-1082

    Abstract
    Taking the strong discontinuity approach as a framework for modelling displacement discontinuities and strain localization phenomena, this work extends previous results in [...]

  • J. Oliver, A. Huespe, E. Samaniego
    International Journal for Numerical Methods in Engineering (2003). Vol. 56 (14), pp. 2135-2161

    Abstract
    The work focuses on the presently existing families of finite elements with embedded discontinuities and explores the possibilities of obtaining symmetric statically consistent [...]

  • J. Oliver, A. Huespe, M. Pullido, E. Chaves
    Engineering Fracture Mechanics (2002). Vol. 69 (2), pp. 113-136

    Abstract
    The paper deals with the strong discontinuity approach and shows the links with the decohesive fracture mechanics provided by that approach. On the basis of 1D continuum damage [...]

  • J. Oliver
    International Journal of Solids and Structures (2000). Vol. 37 (48-50), pp. 7207-7229

    Abstract
    On the basis of continuum constitutive models (stress vs. strain), the introduction of strong discontinuity kinematics (considering jumps in the displacement fields across [...]

  • J. Oliver
    International Journal for Numerical Methods in Engineering (1996). Vol. 39 (21), pp. 3601-3623

    Abstract
    On the basis of the strong discontinuity analysis of standard local stress–strain constitutive equations, a finite element framework for the simulation of strong discontinuities, [...]

  • J. Oliver
    International Journal for Numerical Methods in Engineering (1996). Vol. 39 (21), pp. 3575-3600

    Abstract
    The paper addresses some fundamental aspects about the use of standard constitutive equations to model strong discontinuities (cracks, shear bands, slip lines, etc.) in solid [...]

  • J. Oliver
    Computational Mechanics (1995). Vol. 17 (1-2), pp. 49-61

    Abstract
    Numerical simulation of strong discontinuities by using standard stress-strain constitutive equations including strain-softening is addressed. The concept of strong discontinuity [...]

  • J. Oliver, J. Simó, F. Armero
    Computational Mechanics (1993). Vol. 12 (5), pp. 277-296

    Abstract
    Ket qualitative features of solutions exhibiting strong discontinuities in rate-independent inelastic solids are identified and exploited in the design of a new class of finite [...]

  • J. Oliver
    International Journal for Numerical Methods in Engineering (1989). Vol. 28 (2), pp. 461-474

    Abstract
    A numerical scheme for crack modelling by means of continuous displacement fields is presented. In two-dimensional problems a crack is modelled as a limiting case of two singular [...]

  • A. Ferrer
    International Journal for Numerical Methods in Engineering (2019). Vol. 120 (3), pp. 361-381 (Preprint)

    Abstract
    Topology optimization has emerged in the last years as a promising research fieldwith a wide range of applications. One of the most successful approaches, theSIMP method, [...]

  • S. Amstutz, C. Dapogny, A. Ferrer
    Numerische mathematik (2018). Vol. 140 (1), pp. 35-94

    Abstract
    In this article, we introduce and analyze a general procedure for approximating a ‘black and white’ shape and topology optimization problem with a density optimization [...]

  • A. Ferrer, J. Cante, J. Hernández, J. Oliver
    International Journal for Numerical Methods in Engineering (2018). Vol. 114 (3), pp. 232-254 (Preprint)

    Abstract
    The Domain Interface Method (DIM) is extended in this contribution for the case of mixed fields as encountered in multiphysics problems. The essence of the non-conforming [...]

  • J. Hernández, M. Caicedo, A. Ferrer
    Computer Methods in Applied Mechanics and Engineering (2017). Vol. 313, pp. 687-722 (Preprint)

    Abstract
    We present a general framework for the dimensional reduction, in terms of number of degrees of freedom as well as number of integration points (“hyper-reduction”), [...]

  • S. Giusti, A. Ferrer, J. Oliver
    Computer Methods in Applied Mechanics and Engineering (2016). Vol. 311, pp. 134-150

    Abstract
    The topological sensitivity analysis for the heterogeneous and anisotropic elasticity problem in two-dimensions is performed in this work. The main result of the paper is [...]

  • P. Nadukandi, N. Higham
    SIAM journal on scientific computing (2018). Vol. 40 (6), pp. A4060-A4082

    Abstract
    We derive an algorithm for computing the wave-kernel functions cosh \surd A and sinhc\surd A for an arbitrary square matrix A, where sinhcz = sinh(z)/z. The algorithm is based [...]

  • X. Cipriano, J. Carbonell, J. Cipriano, D. Pérez
    A quarterly newsletter of the IEA-AIVC. (2010).

    Abstract
    The Mediterranean seaside cities like the towns placed at the Metropolitan region of Barcelona have soft winters and variable summers which change from hot to very hot. Historically, [...]

  • X. Cipriano, J. Cipriano
    L'Atzavara (2004). Vol. 12, pp. 51-60

  • X. Cipriano, J. Carbonell, J. Cipriano
    International Journal of Sustainable Energy (2009). Vol. 28 (1-3), pp. 3-18

    Abstract
    Energy efficiency benchmarking can be used to monitor changes in the overall efficiency of buildings. Benchmarking models, based on energy efficiency indicators, are valuable [...]

  • J. Martí-Herrero, J. Cipriano
    Bioresource Technology (2012). Vol. 108, pp. 21-27

    Abstract
    The aim of this paper is to present a novel, universal, methodology for the design of low cost tubular digesters. This method improves on the established methodology by avoiding [...]

  • J. Bloem, C. Lodi, J. Cipriano, D. Chemisana
    Energy and Buildings (2012). Vol. 50, pp. 63-73

    Abstract
    This article presents and discusses an outdoor Test Reference Environment (TRE) for double skin applications of Building Integrated PhotoVoltaic (BIPV) Systems. From [...]

  • C. Lodi, P. Bacher, J. Cipriano, H. Madsen
    Energy and Buildings (2012). Vol. 50, pp. 273-281

    Abstract
    This paper deals with grey-box modelling of the energy transfer of a double skin Building Integrated Photovoltaic (BIPV) system. Grey-box models are based on a combination [...]

  • S. Danov, J. Carbonell, J. Cipriano, J. Martí-Herrero
    Energy and Buildings (2013). Vol. 57, pp. 110-118

    Abstract
    A method for determining the total heat loss coefficient, the effective heat capacity and the net solar gain of a building is presented. The method uses a linear regressions [...]

  • J. Cipriano, G. Houzeaux, D. Chemisana, C. Lodi, J. Martí-Herrero
    Applied thermal engineering (2013). Vol. 57 (1-2), pp. 57-68

    Abstract
    Double skin façades with photovoltaic integrated systems are building components which combine functions of the building envelope with electricity and thermal [...]

  • J. Cipriano, G. Mor Martinez, D. Chemisana, D. Pérez, G. Gamboa, X. Cipriano
    Energy and Buildings (2015). Vol. 87, pp. 370-385

    Abstract
    This paper is focused on increasing the knowledge on methods for calibrating BES models and to get more insights of different approaches for the optimization of the [...]

  • J. Cipriano, G. Houzeaux, G. Mor Martinez, U. Eicker, J. Carbonell, S. Danov
    Solar Energy (2016). Vol. 129, pp. 310-331

    Abstract
    In the development of dynamic models for the energy performance evaluation of building integrated natural ventilated PV components there are still many open questions regarding [...]

  • X. Cipriano, A. Vellido, J. Cipriano, J. Martí-Herrero, S. Danov
    Energy Efficiency (2017). Vol. 10, pp. 359-382

    Abstract
    In recent years, big efforts have been dedicated to identify which are the factors with highest influence in the energy consumption of residential buildings. These factors [...]

  • J. Liisberg, J. Moller, H. Bloem, J. Cipriano, G. Mor Martinez, H. Madsen
    Sustainable Cities and Society (2016). Vol. 27, pp. 83-98

    Abstract
    Even for similar residential buildings, a huge variability in the energy consumption can be observed. This variability is mainly due to the different behaviours of the occupants [...]

  • Z. Greve, F. Lecron, F. Vallée, G. Mor Martinez, D. Pérez
    CIRED-Open Acces Proceedings Journal (2017). Vol. 2017 (1), pp. 2165-2168

    Abstract
    This work positions the task of grouping electricity load time series among the vast field of clustering, and highlights corresponding research issues. A selection of the [...]

  • F. Lecron, Z. Grève, F. Vallée, G. Mor Martinez, D. Pérez, S. Danov, J. Cipriano
    CIRED-Open Acces Proceedings Journal (2017). Vol. 2017 (1), pp. 2568-2571

    Abstract
    The prediction task is attracting more and more attention among the power system community. Accurate predictions of electrical quantities up to a few hours ahead (e.g. renewable [...]

  • X. Cipriano, G. Gamboa, S. Danov, G. Mor Martinez, J. Cipriano
    Sustainable Cities and Society (2017). Vol. 32, pp. 236-276

    Abstract
    The main instrument used to implement the EU 2020 objectives at local level is the Covenant of Mayors, which fosters the development of Sustainable Energy Action Plans (SEAPs); [...]

  • G. Mor Martinez, J. Vilaplana, S. Danov, J. Cipriano, F. Solsona, D. Chemisana
    IEEE Access (2018). Vol. 6, pp. 71132-71142

    Abstract
    This paper presents the EMPOWERING project, a Big Data environment aimed at helping domestic customers to save electricity by managing their consumption positively. This is [...]

  • D. Roca, T. Pàmies, J. Cante, O. Lloberas-Valls, J. Oliver
    Journal of vibration and acoustics. (2020). Vol. 142 (2), pp. 1-19

    Abstract
    The so called Locally Resonant Acoustic Metamaterials (LRAM) are a new kind of artificially engineered materials capable of attenuating acoustic waves. As the name suggests, [...]

  • J. Oliver, D. Yago, J. Cante, O. Lloberas-Valls
    Computer Methods in Applied Mechanics and Engineering (2019). Vol. 355, pp. 779-819

    Abstract
    The work explores a specific scenario for structural computational optimization based on the following elements: (a) a relaxed optimization setting considering the ersatz [...]

  • D. Roca, D. Yago, J. Cante, O. Lloberas-Valls, J. Oliver
    Computer Methods in Applied Mechanics and Engineering (2019). Vol. 345, pp. 161-182

    Abstract
    The so-called Locally Resonant Acoustic Metamaterials (LRAM) are considered for the design of specifically engineered devices capable of stopping waves from propagating in [...]

  • I. Dias, J. Oliver, O. Lloberas-Valls
    Key engineering materials (2018). Vol. 774, pp. 547-552

    Abstract
    This work presents some novel results obtained by using the strain injection techniques for modeling crack propagation in challenging 3D benchmark tests. The techniques were [...]

  • I. Dias, J. Oliver, O. Lloberas-Valls
    International journal of fracture (2018). Vol. 212 (1), pp. 67-87 (Preprint)

    Abstract
    This paper presents a finite element approach for modelling three-dimensional crack propagation in quasi-brittle materials, based on the strain injection and the crack-path [...]

  • D. Roca, O. Lloberas-Valls, J. Cante, J. Oliver
    Computer Methods in Applied Mechanics and Engineering (2018). Vol. 330, pp. 415-446 (Preprint)

    Abstract
    A framework, based on an extended Hill–Mandel principle accounting for inertial effects (Multiscale Virtual Work principle), is developed for application to acoustic [...]

  • C. Méndez, J. Podestá, O. Lloberas-Valls, S. Toro, A. Huespe, J. Oliver
    International Journal for Numerical Methods in Engineering (2017). Vol. 112 (10), pp. 1353-1380

    Abstract
    A topology optimization technique based on the topological derivative and the level set function is utilized to design/synthesize the micro-structure of a pentamode material [...]

  • O. Lloberas-Valls, M. Cafiero, J. Cante, A. Ferrer, J. Oliver
    Computational Mechanics (2017). Vol. 59 (4), pp. 579-610 (Preprint)

    Abstract
    The Domain Interface Method (DIM) is extended in this contribution for the case of mixed fields as encountered in multiphysics problems. The essence of the non-conforming [...]

  • A. Ferrer, J. Oliver, J. Cante, O. Lloberas
    Advanced modeling and simularion in engineering sciences (2016). Vol. 3 (1), pp. 1-22 (Preprint)

    Abstract
    The work deals on computational design of structural materials by resorting to computational homogenization and topological optimization techniques. The goal is then to minimize [...]

  • M. Caicedo, J. Oliver, A. Huespe, O. Lloberas-Valls
    Key engineering materials (2016). Vol. 713, pp. 248-253 (Preprint)

    Abstract
    Nowadays, the model order reduction techniques have become an intensive research eld because of the increasing interest in the computational modeling of complex phenomena [...]

  • O. Lloberas-Valls, A. Huespe, J. Oliver, I. Dias
    Computer Methods in Applied Mechanics and Engineering (2016). Vol. 308, pp. 499-534 (Preprint)

    Abstract
    A computationally affordable modeling of dynamic fracture phenomena is performed in this study by using strain injection techniques and Finite Elements with Embedded strong [...]

  • M. Cafiero, O. Lloberas-Valls, J. Cante, J. Oliver
    Computational Mechanics (2016). Vol. 57 (4), pp. 555-581

    Abstract
    A domain decomposition technique is proposed which is capable of properly connecting arbitrary non-conforming interfaces. The strategy essentially consists in considering [...]

  • I. Dias, J. Oliver, J. Lemos, O. Lloberas-Valls
    Engineering Fracture Mechanics (2016). Vol. 154, pp. 288-310 (Preprint)

    Abstract
    This work investigates tensile crack propagation in concrete gravity dams by using some recently developed numerical techniques (crack-path field and strain injection techniques). [...]

  • O. Lloberas-Valls, D. Rixen, A. Simone, L. Sluys
    Computer Methods in Applied Mechanics and Engineering (2012). Vol. 225-228, pp. 177-196

    Abstract
    Micro-to-macro connection techniques constitute a key ingredient in the formulation of multiscale strategies. In this contribution several connection methods are explored [...]

  • O. Lloberas-Valls, D. Rixen, A. Simone, L. Sluys
    International Journal for Numerical Methods in Engineering (2012). Vol. 89 (11), pp. 1337-1366

    Abstract
    A hybrid multiscale framework is presented, which processes the material scales in a concurrent manner, borrowing features from hierarchical multiscale methods. The framework [...]

  • V. Nguyen, O. Lloberas-Valls, L. Sluys, M. Stroeven
    International Journal for Numerical Methods in Engineering (2012). Vol. 89 (2), pp. 192-226 (Preprint)

    Abstract
    A computational homogenization procedure for cohesive and adhesive crack modeling of materials with a heterogeneous microstructure has been recently presented in Computer [...]

  • O. Lloberas-Valls, D. Rixen, A. Simone, L. Sluys
    Computer Methods in Applied Mechanics and Engineering (2011). Vol. 200 (13-16), pp. 1577-1590

    Abstract
    This paper describes a computational tool for the efficient study of failure in brittle heterogeneous materials. By means of several examples, it is demonstrated that [...]

  • V. Nguyen, O. Lloberas-Valls, M. Stroeven, L. Sluys
    Computer Methods in Applied Mechanics and Engineering (2011). Vol. 200 (9-12), pp. 1220-1236

    Abstract
    The existence of a representative volume element (RVE) for a class of quasi-brittle materials having a random heterogeneous microstructure in tensile, shear and mixed mode [...]

  • V. Nguyen, O. Lloberas-Valls, M. Stroeven, L. Sluys
    Computer Methods in Applied Mechanics and Engineering (2010). Vol. 199 (45-48), pp. 3028-3038

    Abstract
    The concept of the representative volume element (RVE) for softening materials is revised in this contribution. It is demonstrated by means of numerical simulations that there [...]

  • A. Schäfers, A. Gens, A. Rodríguez-Dono
    Environmental geotechnics (2020). Vol. 7 (1), pp. 59-71

    Abstract
    Previous studies on the modelling of coupled thermo-hydro-mechanical (THM) processes in bentonite-based engineered barrier systems (EBSs) showed the sensitivity of the output [...]

  • F. Cotecchia, S. Guglielmi, F. Cafaro, A. Gens
    Géotechnique Letters (2019). Vol. 9 (4), pp. 361-368

    Abstract
    An investigation of the microstructural features of a high-plasticity clay, in both its natural conditions and reconstituted in the laboratory, is described. Scanning [...]

  • F. Altuhafi, R. Jardine, V. Georgiannou, W. Moinet, M. Ciantia, M. Arroyo, A. Gens
    Géotechnique (2019). Vol. 69 (11), pp. 1029-1030

  • M. Ciantia, M. Arroyo, C. O'Sullivan, A. Gens
    Acta Geotechnica (2019). Vol. 14 (5), pp. 1337-1356

    Abstract
    In granular soils grain crushing reduces dilatancy and stress obliquity enhances crushability. These are well-supported specimen-scale experimental observations. In principle, [...]

  • S. Finsterle, B. Lanyon, M. Akesson, A. Gens
    Geological Society, London, special publications (2019). Vol. 482, pp. 261-283

    Abstract
    Nuclear waste disposal in geological formations relies on a multi-barrier concept that includes engineered components – which, in many cases, include a bentonite buffer [...]

  • N. Zhang, M. Arroyo, M. Ciantia, A. Gens, J. Butlanska
    Computers and Geotechnics (2019). Vol. 111, pp. 277-289

    Abstract
    The virtual calibration chamber technique, based on the discrete element method, is here applied to study the standard penetration test (SPT). A macro-element approach is [...]

  • R. Rorato, M. Arroyo, E. Andò, A. Gens
    Engineering Geology (2019). Vol. 254, pp. 43-53

    Abstract
    The sphericity of a grain should measure the similitude of its shape with that of a sphere. Sphericity is a shape descriptor of long-standing interest for sedimentology. [...]

  • A. Gens
    Geomechanics for energy and the environment (2019). Vol. 17, pp. 1-2

    Abstract
    Argillaceous rocks and expansive clays play a key role in many scenarios of the deep geological disposal of nuclear waste.

  • M. Ciantia, M. Arroyo, C. O'Sullivan, A. Gens, T. Liu
    Géotechnique (2019). Vol. 69 (1), pp. 1-15 (Preprint)

    Abstract
    Granular materials reach critical states upon shearing. The position and shape of a critical state line (CSL) in the compression plane are important for constitutive models, [...]

  • S. Conesa, M. Mánica, A. Gens, Y. Huang
    Geomechanics and Geoengineering (2019). Vol. 14 (1), pp. 18-29

    Abstract
    The undrained stability of slopes in anisotropic fine-grained soils is studied in this paper using the finite element method (FEM). A constitutive model is presented, able [...]

  • A. Marino, S. Amoroso, M. Arroyo, P. Monaco, A. Gens
    Journal of Geotechnical and Geoenvironmental Engineering (2019). Vol. 145 (1), pp. 04018102-1/04018102-12

    Abstract
    The paper explores the application of conventional (DMT) and seismic (SDMT) dilatometer tests to an important case of deep excavation design. The work presents finite-element [...]

  • M. Mánica, A. Gens, J. Vaunat, D. Ruiz
    Computers and Geotechnics (2018). Vol. 103, pp. 138-150

    Abstract
    The paper addresses the numerical simulation of strain localisation in stiff clays that exhibit softening behaviour. An elastoplastic constitutive model developed to incorporate [...]

  • D. Gallipoli, P. Grassi, S. Wheeler, A. Gens
    Geomechanics for energy and the environment (2018). Vol. 15, pp. 3-9 (Preprint)

    Abstract
    The net stress plus suction and the average skeleton stress plus modified suction are two alternative sets of energetically consistent stress variables for modelling the hydro-mechanical [...]

  • J. Butlanska, M. Arroyo, S. Amoroso, A. Gens
    Geotechnical Testing Journal (2018). Vol. 41 (5), pp. 1-17 (Preprint)

    Abstract
    Calibration chambers are frequently used to verify, adapt, or both verify and adapt empirical relations between different state variables and in situ test results. Virtual [...]

  • M. Mánica, A. Gens, J. Vaunat, D. Ruiz
    Computers and Geotechnics (2017). Vol. 85, pp. 341-350

    Abstract
    The paper presents a constitutive model for argillaceous rocks, developed within the framework of elastoplasticity, that includes a number of features that are relevant for [...]

  • D. Seyedi, A. Gens
    Computers and Geotechnics (2017). Vol. 85, pp. 275-276 (Preprint)

    Abstract
    Deep geological disposal is considered as one of the promising options for the long-term management of the High-Level (HL) and Intermediate-Level Long-Lived (IL-LL) radioactive [...]

  • A. Gens, K. Wieczorek, I. Gaus, B. Garitte, J. Mayor, K. Schuster, G. Armand, J. García-Siñeriz, T. Trick
    Swiss Journal of Geosciences (2017). Vol. 110 (1), pp. 269-286

    Abstract
    The final publication is available at Springer via http://dx.doi.org/10.1007/s00015-016-0258-8 The paper presents an overview of the behaviour of Opalinus Clay under thermal [...]

  • T. Charlton, M. Rouainia, A. Gens
    Applied Ocean Research (2016). Vol. 61, pp. 156-166

    Abstract
    As offshore energy developments move towards deeper water, moored floating production facilities are increasingly preferred to fixed structures. Anchoring systems are therefore [...]

  • M. Castilla, A. Gens, M. Villar, S. Olivella
    International journal of geomechanics (2016). Vol. 16 (6), pp. D4016015-1/D4016015-17 (Preprint)

    Abstract
    This work presents a fully coupled formulation developed to handle engineering problems in unsaturated (and saturated) soils that present two dominant void levels. The proposed [...]

  • M. Cintia, M. Arroyo, F. Calvetti, A. Gens
    International Journal for Numerical and Analytical Methods in Geomechanics (2016). Vol. 40 (13), pp. 1773-1798

    Abstract
    The mechanical behavior of granular materials is characterized by strong nonlinearity and irreversibility. These properties have been differently described by a variety of [...]

  • Y. Mao, E. Romero, A. Gens
    E3S Web of Conferences (2016). Vol. 9, pp. 1-9

    Abstract
    The present paper explores the use of the measurement of bulk electric conductivity and relative dielectric permittivity during freezing and thawing to estimate the ice content [...]

  • C. Buenfil, E. Romero, A. Lloret, A. Gens
    E2S Web of Conferences (2016). Vol. 9, pp. 1-6

    Abstract
    Compaction induces anisotropy on soil deformational response due to preferential straining associated with the fabrication process. An experimental insight into the stress-strain [...]

  • C. González, M. Arroyo, A. Gens
    Tunnelling and Underground Space Technology (2016). Vol. 57, pp. 47-54

    Abstract
    In this communication we propose a method to estimate net thrust and torque applied at the excavation front by cutting tools from EPB machines when they are working in mixed [...]

  • M. Castilla, C. Arson, A. Gens, F. Aponte
    Geomechanics for energy and the environment (2016). Vol. 6, pp. 101-115

    Abstract
    The geological disposal of a high level radioactive waste relies in a system composed of engineered and geological barriers. The soils and rocks involved in the design [...]

  • F. Casini, A. Gens, S. Olivella, G. Viggiani
    Environmental geotechnics (2016). Vol. 3 (3), pp. 1-14 (Preprint)

    Abstract
    The use of artificial ground freezing (AGF) to form earth support systems has had applications worldwide. These cover a variety of construction problems, including the [...]

  • M. Mánica, A. Gens, J. Vaunat, D. Ruiz
    Géotechnique Letters (2016). Vol. 6 (2), pp. 156-162

    Abstract
    A cross-anisotropic formulation for elasto-plastic constitutive models based on a non-uniform scaling of the stress tensor is described. Taking advantage of the material symmetries [...]

  • M. Ciantia, M. Arroyo, J. Butlanska, A. Gens
    Computers and Geotechnics (2016). Vol. 73, pp. 109-127 (Preprint)

    Abstract
    A three-dimensional discrete element model is used to investigate the effect of grain crushing on the tip resistance measured by cone penetration tests (CPT) in calibration [...]

  • C. González, M. Arroyo, A. Gens
    Geomechanik and Tunnelbau (2015). Vol. 8 (3), pp. 258-264

    Abstract
    This paper summarizes the main observations related to geotechnical properties and tool changes that characterize the different tunnel drives in a database of 33 km of EPB [...]

  • M. Ciantia, M. Arroyo, F. Calvetti, A. Gens
    Géotechnique (2015). Vol. 65 (2), pp. 91-110 (Preprint)

    Abstract
    In this study oedometric compression tests of hydrocarbon coke, Fontainebleau sand and silica sand are simulated in three dimensions using breakable particles. The method [...]

  • . Scipedia, S. Wheeler, J. Pineda, D. Sheng, A. Gens
    Canadian Geotechnical Journal (2014). Vol. 51 (12), pp. 1423-1437

    Abstract
    Mechanical and water retention behaviour of unsaturated soils is investigated in the context of two well established coupled constitutive models, each of which is formulated [...]

  • B. Indraratna, W. Premadasa, E. Brown, A. Gens, A. Heitor
    International Journal of Rock Mechanics and Mining Sciences (2014). Vol. 70, pp. 296-307

    Abstract
    Discontinuities such as fault planes, joints and bedding planes in a rock mass may be filled with different types of fine-grained material that are either transported or accumulated [...]

  • J. Butlanska, M. Arroyo, A. Gens, C. O'Sullivan
    Canadian Geotechnical Journal (2014). Vol. 51 (1), pp. 51-66

    Abstract
    A virtual calibration chamber was developed using a three-dimensional (3D) discrete element method (DEM) to perform cone penetration tests (CPTs) on a discrete analogue of [...]

  • S. F., . Kohler, . Landstorfer, A. Conde

    Abstract
    '''The installation of automatic data acquisition systems, together with the use of machine learning, allow obtaining useful information on the behaviour of dams. [...]


  • Abstract
    '''The improvements in monitoring devices result in databases of increasing size showing dam behaviour. Advanced tools are required to extract useful information [...]

  • N. Climent, M. Arroyo, C. O'Sullivan, A. Gens
    European Journal of Environmental and Civil Engineering (2014). Vol. 18 (9), pp. 983-1008

    Abstract
    Sand production in oil wells is often predicted using continuum fluid-coupled models. However, a continuum approach cannot capture important features of the sanding problem, [...]

  • F. Salazar, B. Crookston, M. Hariri-Ardebili, A. Conde, . D. J. Vicente, A. Conde

    Abstract
    The availability of machine learning techniques opens up possibilities in different fields of civil engineering. Their application in conjunction with numerical simulations [...]

  • A. Gens, B. Vallejan, M. Zandarin, M. Sanchez
    Journal of Rock Mechanics and Geotechnical Engineering (2013). Vol. 5 (3), pp. 191-199

    Abstract
    The paper presents two case studies that provide information on the process of homogenization of initially heterogeneous clay barriers and seals. The first case is the canister [...]


  • Abstract
    The advances in sensors and communication technologies open great possibilities in the management and maintenance of engineering systems. In general, the performance of monitoring [...]

  • E. Alonso, N. Pinyol, A. Gens
    Géotechnique (2013). Vol. 63 (6), pp. 463-478

    Abstract
    The paper explores the behaviour of compacted soils throughout the (dry density–water content) compaction plane by means of a conceptual framework that incorporates [...]

  • L. Guimarães, A. Gens, M. Sanchez, S. Olivella
    Geotechnique (2013). Vol. 63 (3), pp. 221-234

    Abstract
    The paper presents a chemo-mechanical model for expansive clays that takes into account the effects of cation content and cation exchange. These factors play a key role [...]

  • B. Garitte, A. Bond, A. Millard, C. Zhang, C. McDermott, S. Nakama, A. Gens
    Journal of rock mechanics and geotechnical engineering (2013). Vol. 5 (1), pp. 1-17

    Abstract
    In this paper, a modelling benchmark exercise from the DECOVALEX-2011 project is presented. The benchmark is based on the performance and results of a laboratory drying [...]

  • J. Butlanska, M. Arroyo, A. Gens
    Studia Geotechnica et Mechanica (2013). Vol. XXXV (4), pp. 13-22

    Abstract
    It has recently been shown (Arroyo et al. [1]) that 3D DEM models are able to reproduce with reasonable accuracy the macroscopic response of CPT performed in calibration chambers [...]

  • C. González, M. Arroyo, A. Gens
    Obras y proyectos. Revista de ingeniería civil (2013). Vol. 13, pp. 6-18

    Abstract
    El empleo de tuneladoras TBM (Tunnel Boring Machine) es cada vez más frecuente aunque su optimización requiere la evaluación precisa de varios riesgos [...]

  • B. Garitte, A. Gens, J. Vaunat, G. Armand
    Rock Mechanics and Rock Engineering (2012). Vol. 47, pp. 111-129

    Abstract
    This study focuses on the characterisation of thermal conductivity for three potential host rocks for radioactive waste disposal. First, the heat conduction process is reviewed [...]

  • M. Castilla, A. Gens, L. Guimarães
    Canadian Geotechnical Journal (2012). Vol. 49 (10), pp. 1169-1195

    Abstract
    A geological disposal facility for high-level radioactive waste (HLW) encompasses both natural (host rock) and (generally clay-based) engineered barriers. Many processes can [...]

  • M. Arroyo, M. Ciantia, R. Castellanza, A. Gens, R. Nova
    Computers and Geotechnics (2012). Vol. 45, pp. 140-150

    Abstract
    Engineering practice has usually dealt with the treated soil bodies using simplistic constitutive models (e.g. elastic perfectly-plastic Mohr–Coulomb). In this [...]

  • N. González, M. Rouainia, M. Arroyo, A. Gens
    Géotechnique (2012). Vol. 62 (12), pp. 1095-1109

    Abstract
    Recent studies on London Clay have identified a number of different units in the geological profile, and have highlighted the role of soil structure in mechanical behaviour. [...]

  • A. Zhou, D. Sloan, S. Sloan, A. Gens
    Computers and Geotechnics (2012). Vol. 43, pp. 111-123

    Abstract
    Based on the equations for volume change and saturation variation proposed in the companion paper [37], an alternative constitutive framework is presented for interpreting [...]

  • N. Zhou, D. Sheng, S. Scott, A. Gens
    Computers and Geotechnics (2012). Vol. 43, pp. 178-187

    Abstract
    Unsaturated soil behaviour, such as volume change, shear strength and yield stress, is usually interpreted and modelled in terms of stress and suction. This approach [...]

  • M. Castilla, A. Gens, S. Olivella
    International Journal of Numerical and Analytical Methods in Geomechanics (2012). Vol. 36 (4), pp. 391-421

    Abstract
    Engineered barriers are basic elements in the design of repositories for the isolation of high‐level radioactive waste. This paper presents the thermo‐hydro‐mechanical [...]