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Browsing by Subject "Simulation methods"
Now showing items 1-20 of 190
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A Bicriteria Simulated Annealing Algorithm for Scheduling Jobs on Parallel Machines with Sequence Dependent Setup Times
(Universitat Politècnica de Catalunya, 2008-09)
Master thesis (pre-Bologna period)
Open AccessThe study considers the scheduling problem of identical parallel machines subject to minimization of the maximum completion time and the maximum tardiness expressed in a linear convex objective function. The maximum ... -
A Kalman filter approach for the estimation of time dependent OD matrices exploiting bluetooth traffic data collection
(2012)
Conference report
Open AccessTime-Dependent Origin-Destination (OD) matrices are a key input to Dynamic Traffic Models, microscopic and mesoscopic traffic simulators are relevant examples of such models, traditionally used to assist in the design and ... -
A Kalman-filter approach for dynamic OD estimation in corridors based on bluetooth and Wi-Fi data collection
(2010)
Conference report
Open AccessFrom the point of view of the information supplied by an ATIS to the motorists entering a freeway of one of the most relevant is the Forecasted Travel Time, that is the expected travel time that they will experience when ... -
A level-set aided single-phase model for the numerical simulation of free-surface flow on unstructured meshes
(Elsevier, 2016-11-25)
Article
Open AccessA new single-phase scheme for the numerical simulation of free-surface problems on 3-D unstructured meshes is presented. The flow field is obtained from the discrete solution of the incompressible Navier-Stokes equations, ... -
A level-set method for thermal motion of bubbles and droplets
(Institute of Physics (IOP), 2016)
Conference report
Open AccessA conservative level-set model for direct simulation of two-phase flows with thermocapillary effects at dynamically deformable interface is presented. The Navier-Stokes equations coupled with the energy conservation equation ... -
A novel approach for hybrid performance modelling and prediction of large-scale computing systems
(2009)
Article
Restricted access - publisher's policyWe present a novel approach for hybrid performance modeling and prediction of large-scale parallel and distributed computing systems, which combines mathematical modeling and discrete-event simulation. We use mathematical ... -
A Novel PMSM Hybrid Sensorless Control Strategy for EV Applications Based on PLL and HFI
(2016)
Número de revista
Open AccessIn this paper, a novel hybrid sensorless control strategy for Permanent Magnet Synchronous Machine (PMSM) drives applied to Electric Vehicles (EV) is presented. This sensorless strategy covers the EV full speed range and ... -
A simulation study of the fleet sizing problem arising in offshore anchor handling operations
(Elsevier, 2010-05)
Article
Restricted access - publisher's policyA fleet sizing problem arising in anchor handling operations related to movement of offshore mobile units is presented in this paper. Typically, the intensity of these operations is unevenly spread throughout the year. ... -
A simulation-based approach for solving the flowshop problem
(2010)
Conference lecture
Open AccessA simulation-based algorithm for the Permutation Flowshop Sequencing Problem (PFSP) is presented. The algorithm uses Monte Carlo Simulation and a discrete version of the triangular distribution to incorporate a randomness ... -
A virtual simulation approach to assess the effect of trocar-site placement and scar characteristics on the abdominal wall biomechanics
(Springer Nature, 2024-02-13)
Article
Open AccessAnalyses of registries and medical imaging suggest that laparoscopic surgery may be penalized with a high incidence of trocar-site hernias (TSH). In addition to trocar diameter, the location of the surgical wound (SW) may ... -
Activity modes selection for project crashing through deterministic simulation
(School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2011-12)
Article
Open AccessPurpose: The time-cost trade-off problem addressed by CPM-based analytical approaches, assume unlimited resources and the existence of a continuous time-cost function. However, given the discrete nature of most resources, ... -
An evaluation tool for physics applets
(OmniaScience, 2016-03)
Article
Open AccessPhysics applets are well known appealing resources for teaching and learning physics, and there is a lot of them available on the Internet. Nevertheless, not all of them are of the same quality as such resources nor fit ... -
Analog simulation of high-harmonic generation in atoms
(2024-02-20)
Article
Open AccessThe demanding experimental access to the ultrafast dynamics of materials challenges our understanding of their electronic response to applied strong laser fields. For this purpose, trapped ultracold atoms with highly ... -
Analogue quantum chemistry simulation
(Macmillan Publishers, 2019-10-10)
Article
Open AccessComputing the electronic structure of molecules with high precision is a central challenge in the field of quantum chemistry. Despite the success of approximate methods, tackling this problem exactly with conventional ... -
Analysis of critical machine reliability in manufacturing cells
(OmniaScience, 2019-04)
Article
Open AccessPurpose: In an increasingly competitive business environment, machine reliability problem merits special attention in operations of manufacturing cells. This is mainly due to flow line nature of the cellular layout, ... -
Análisis, diseño e implementación de una herramienta para valorar el estrés producido por la inserción de drones en el espacio aéreo de un controlador
(Universitat Politècnica de Catalunya, 2016-01-18)
Master thesis (pre-Bologna period)
Open AccessThe research group ICARUS of the UPC has developed a simulation environment in which a ground station of a drone communicates with the usual work stations professional of the air traffic controllers and all related to a ... -
Assessment of LES techniques for mitigating the Grey Area in DDES models
(2019)
Conference report
Open AccessThe slow RANS-LES transition is a well-known shortcoming in hybrid turbulence models such as DelayedDetached Eddy Simulation (DDES). The present work assesses the feasibility of 2D sensitive LES models for naturally ... -
Assessment of muscle models with subject-specific activation time constants for spinal cord injury patients: a case study
(Springer, 2024-12-21)
Part of book or chapter of book
Restricted access - publisher's policyPredictive simulations of human motion have the potential to foresee rehabilitation outcomes. To use this tool in clinical applications, subject-specific muscle models must be employed to accurately represent a subject. ... -
Avances en la simulación numérica de la propagación de oleaje en zonas costeras
(Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-16)
Conference lecture
Open AccessSe presentan los últimos avances en la simulación numérica de la propagación de oleaje en zonas costeras. Las nuevas herramientas numéricas permiten obtener de manera precisa y eficiente las características de la ola en ... -
Bond graph simulation of error propagation in position estimation of a hydraulic cylinder using low cost accelerometers
(2018-10-01)
Article
Open AccessThe indirect calculation from acceleration of transversal displacement of the piston inside the body of a double effect linear hydraulic cylinder during its operating cycle is assessed. Currently an extensive effort exists ...
