Relevant bibliographies by topics / PHIL simulation

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'PHIL simulation'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "PHIL simulation"

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Guo, Baoling, Amgad Mohamed, Seddik Bacha, Mazen Alamir, Cédric Boudinet, and Julien Pouget. "Reduced-Scale Models of Variable Speed Hydro-Electric Plants for Power Hardware-in-the-Loop Real-Time Simulations." Energies 13, no. 21 (November 3, 2020): 5764. http://dx.doi.org/10.3390/en13215764.

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Variable Speed Hydro-Electric Plant (VS-HEP) equipped with power electronics has been increasingly introduced into the hydraulic context. This paper is targeting a VS-HEP Power Hardware-In-the-Loop (PHIL) real-time simulation system, which is dedicated to different hydraulic operation schemes tests and control laws validation. Then, a proper hydraulic model will be the key factor for building an efficient PHIL real-time simulation system. This work introduces a practical and generalised modelling hydraulic modelling approach, which is based on ‘Hill Charts’ measurements provided by industrial manufacturers. The hydraulic static model is analytically obtained by using mathematical optimization routines. In addition, the nonlinear dynamic model of the guide vane actuator is introduced in order to evaluate the effects of the induced dynamics on the electric control performances. Moreover, the reduced-scale models adapted to different laboratory conditions can be established by applying scaling laws. The suggested modelling approach enables the features of decent accuracy, light computational complexity, high flexibility and wide applications for their implementations on PHIL real-time simulations. Finally, a grid-connected energy conversion chain of bulb hydraulic turbine associated with a permanent magnet synchronous generator is chosen as an example for PHIL design and performance assessment.
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Ihrens, Jana, Stefan Möws, Lennard Wilkening, Thorsten A. Kern, and Christian Becker. "The Impact of Time Delays for Power Hardware-in-the-Loop Investigations." Energies 14, no. 11 (May 28, 2021): 3154. http://dx.doi.org/10.3390/en14113154.

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Power hardware-in-the-loop (PHiL) simulations provide a powerful environment in the critical process of testing new components and controllers. In this work, we aim to explain the impact of time delays in a PHiL setup and recommend how to consider them in different investigations. The general concept of PHiL, with its necessary components, is explained and the benefits compared to pure simulation and implemented field tests are presented. An example for a flexible PHiL environment is shown in form of the Power Hardware-in-the-Loop Simulation Laboratory (PHiLsLab) at TU Hamburg. In the PHiLsLab, different hardware components are used as the simulator to provide a grid interface via an amplifier system, a real-time simulator by OPAL-RT, a programmable logic controller by Bachmann, and an M-DUINO microcontroller. Benefits and limitations of the different simulators are shown using case examples of conducted investigations. Essentially, all platforms prove to be appropriate and sufficiently powerful simulators, if the time constants and complexity of the investigated case fit the simulator performance. The communication interfaces used between simulator and amplifier system differ in communication speed and delay; therefore, they have to be considered to determine the level of dynamic interactions between the simulated rest of system and the hardware under test.
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Guillo-Sansano, Efren, Mazheruddin H. Syed, Andrew J. Roscoe, and Graeme M. Burt. "Initialization and Synchronization of Power Hardware-In-The-Loop Simulations: A Great Britain Network Case Study." Energies 11, no. 5 (April 28, 2018): 1087. http://dx.doi.org/10.3390/en11051087.

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The hardware under test (HUT) in a power hardware in the loop (PHIL) implementation can have a significant effect on overall system stability. In some cases, the system under investigation will be unstable unless the HUT is already connected and operating. Accordingly, initialization of the real-time simulation can be difficult, and may lead to abnormal parameters of frequency and voltage. Therefore, a method to initialize the simulation appropriately without the HUT is proposed in this contribution. Once the initialization is accomplished a synchronization process is also proposed. The synchronization process depends on the selected method for initialization and therefore both methods need to be compatible. In this contribution, a recommended practice for the initialization of PHIL simulations for synchronous power systems is presented. Experimental validation of the proposed method for a Great Britain network case study demonstrates the effectiveness of the approach.
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Kotsampopoulos, Panos C., Vasilis A. Kleftakis, and Nikos D. Hatziargyriou. "Laboratory Education of Modern Power Systems Using PHIL Simulation." IEEE Transactions on Power Systems 32, no. 5 (September 2017): 3992–4001. http://dx.doi.org/10.1109/tpwrs.2016.2633201.

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Kikusato, Hiroshi, Taha Selim Ustun, Masaichi Suzuki, Shuichi Sugahara, Jun Hashimoto, Kenji Otani, Kenji Shirakawa, Rina Yabuki, Ken Watanabe, and Tatsuaki Shimizu. "Microgrid Controller Testing Using Power Hardware-in-the-Loop." Energies 13, no. 8 (April 20, 2020): 2044. http://dx.doi.org/10.3390/en13082044.

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Required functions of a microgrid become divers because there are many possible configurations that depend on the location. In order to effectively implement the microgrid system, which consists of a microgrid controller and components with distributed energy resources (DERs), thorough tests should be run to validate controller operation for possible operating conditions. Power-hardware-in-the-loop (PHIL) simulation is a validation method that allows different configurations and yields reliable results. However, PHIL configuration for testing the microgrid controller that can evaluate the communication between a microgrid controller and components as well as the power interaction among microgrid components has not been discussed. Additionally, the difference of the power rating of microgrid components between the deployment site and the test lab needs to be adjusted. In this paper, we configured the PHIL environment, which integrates various equipment in the laboratory with a digital real-time simulation (DRTS), to address these two issues of microgrid controller testing. The test in the configured PHIL environment validated two main functions of the microgrid controller, which supports the diesel generator set operations by controlling the DER, regarding single function and simultaneously activated multiple functions.
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Trigui, R., B. Jeanneret, B. Malaquin, and C. Plasse. "Performance Comparison of Three Storage Systems for Mild HEVs Using PHIL Simulation." IEEE Transactions on Vehicular Technology 58, no. 8 (October 2009): 3959–69. http://dx.doi.org/10.1109/tvt.2009.2028146.

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Muhammad, Moiz, Holger Behrends, Stefan Geißendörfer, Karsten von Maydell, and Carsten Agert. "Power Hardware-in-the-Loop: Response of Power Components in Real-Time Grid Simulation Environment." Energies 14, no. 3 (January 25, 2021): 593. http://dx.doi.org/10.3390/en14030593.

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With increasing changes in the contemporary energy system, it becomes essential to test the autonomous control strategies for distributed energy resources in a controlled environment to investigate power grid stability. Power hardware-in-the-loop (PHIL) concept is an efficient approach for such evaluations in which a virtually simulated power grid is interfaced to a real hardware device. This strongly coupled software-hardware system introduces obstacles that need attention for smooth operation of the laboratory setup to validate robust control algorithms for decentralized grids. This paper presents a novel methodology and its implementation to develop a test-bench for a real-time PHIL simulation of a typical power distribution grid to study the dynamic behavior of the real power components in connection with the simulated grid. The application of hybrid simulation in a single software environment is realized to model the power grid which obviates the need to simulate the complete grid with a lower discretized sample-time. As an outcome, an environment is established interconnecting the virtual model to the real-world devices. The inaccuracies linked to the power components are examined at length and consequently a suitable compensation strategy is devised to improve the performance of the hardware under test (HUT). Finally, the compensation strategy is also validated through a simulation scenario.
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KAWASAKI, KYOZI, and TOHRU OKUZONO. "SELF-ORGANIZED CRITICAL BEHAVIOR OF TWO-DIMENSIONAL FOAMS." Fractals 04, no. 03 (September 1996): 339–48. http://dx.doi.org/10.1142/s0218348x96000455.

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A simple dynamical model for two-dimensional dry foam rheology is constructed for which surface tension effects and viscous dissipation at Plateau borders (intersections of three cell boundaries) are taken into account and is studied by computer simulation. Under externally applied shear strain increasing at small rates, the system exhibits avalanche-like release of stress that has been accumulating under increasing strain. There is a close similarity with earthquake models that show self-organized criticality (SOC). We discuss related simulation of two-dimensional wet foams under statically applied strain by Hutzler et al. [Phil. Mag. B71, 277 (1995)] showing critical behavior.
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Arvan, Marcus. "A Unified Explanation of Quantum Phenomena? The Case for the Peer-to-Peer Simulation Hypothesis as an Interdisciplinary Research Program." Philosophical Forum 45, no. 4 (October 21, 2014): 433–46. http://dx.doi.org/10.1111/phil.12043.

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Kotsampopoulos, Panos, Pavlos Georgilakis, Dimitris T. Lagos, Vasilis Kleftakis, and Nikos Hatziargyriou. "FACTS Providing Grid Services: Applications and Testing." Energies 12, no. 13 (July 3, 2019): 2554. http://dx.doi.org/10.3390/en12132554.

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The role of flexible alternating current transmission systems (FACTSs) in the provision of grid services is becoming increasingly important, due to the massive integration of intermittent renewable energy sources, energy storage systems, and the decommissioning of thermal plants. A comprehensive literature review of grid services offered by FACTS is performed, focusing on the different grid services that they can provide, such as power flow control, reactive power control, voltage control, power quality improvement, harmonic mitigation, improvement of transient stability, and damping of inter-area and intra-area oscillations. These grid services need to be realistically and economically validated in suitable testing environments. A review of relevant standards, guides, and the literature is performed, which covers the entire range from functional specification and factory testing up to the field testing of FACTS. Advanced industry practices, such as controller hardware in the loop (CHIL) testing of FACTS controllers by the manufacturer, and recent trends, such as CHIL testing of replica controllers by the owner, are underlined. Limitations of conventional testing and CHIL testing are explained and the use of power hardware in the loop (PHIL) simulation for FACTS testing is discussed. CHIL and scaled-down PHIL tests on a transmission static synchronous compensator (STATCOM) are performed and a comparison of the results is presented.
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Dissertations / Theses on the topic "PHIL simulation"

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Chalupa, Jan. "Návrh zařízení pro Power HIL simulaci stejnosměrného motoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231138.

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This thesis deals with analysis and implementation of Power-HIL system that is designed to simulate real DC motor with comutator and permanent magnets. For problem analysis were used simulations of real components in Matlab / Simulink. The electronic parts of system were simulated with using the SimElectronic library. Idividual hardware components were designed according to simulation results. The outcome of this thesis is a power electronic simulator of real DC motor, which is implemented on dSPACE platform. The system allows software to setup parameters and behavior of simulated motor. The final system can be used for testing DC motor ECU (electronic control units).
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Salha, Fouad. "Microréseaux îlotables : étude et coordination des protections des générateurs et du réseau." Phd thesis, Ecole Centrale de Lille, 2010. http://tel.archives-ouvertes.fr/tel-00865077.

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L'intégration des énergies renouvelables a conduit à introduire la notion d'utilisation locale de ces nouvelles sources de production. Nous pouvons définir le paradigme de microréseau comme une agrégation de plusieurs sources d'énergie distribuée qui peuvent alimenter leurs charges locales. Ces microréseaux peuvent être îlotables pour garantir la continuité de service et l'alimentation des charges. Pour assurer la fiabilité du réseau, une stratégie de protection des générateurs et du microréseau lui-même a été proposée. Dans ce mémoire, les points communs et les différences entre les générateurs classiques et les générateurs connectés au réseau à l'aide de convertisseur d' d'électronique de puissance sont présentés. Ensuite, nous présentons la conception d'une source de tension à base d'une micro-turbine à gaz comme source d'énergie primaire contrôlable. Nous étudions les possibilités pour le générateur de demeurer connecté dans les conditions du creux de tension (fault-ride-through) tout en étant protégé contre les surintensités. Nous avons proposé deux solutions différentes permettant de limiter ces courants du générateur. De plus, pour assurer la continuité d'alimentation des charges en deux modes de fonctionnement, nous avons intégré un détecteur de l'ilotage basé sur le relais ROCOF dans le système de commande du générateur. Une validation expérimentale pour ces travaux a été réalisée en utilisant la simulation temps réel PHIL. Finalement, un plan de protection coordonnée valide dans les deux modes de fonctionnement et avec les différents types de source est présenté. Cette stratégie a été testée sur un exemple de microréseau simulé sur le simulateur temps réel
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Noon, John Patrick. "Development of a Power Hardware-in-the-Loop Test Bench for Electric Machine and Drive Emulation." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/101498.

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This work demonstrates the capability of a power electronic based power hardware-inthe- loop (PHIL) platform to emulate electric machines for the purpose of a motor drive testbench with a particular focus on induction machine emulation. PHIL presents advantages over full-hardware testing of motor drives as the PHIL platform can save space and cost that comes from the physical construction of multiple electric machine test configurations. This thesis presents real-time models that were developed for the purpose of PHIL emulation. Additionally, real-time modeling considerations are presented as well as the modeling considerations that stem from implementing the model in a PHIL testbench. Next, the design and implementation of the PHIL testbench is detailed. This thesis describes the design of the interface inductor between the motor drive and the emulation platform. Additionally, practical implementation challenges such as common mode and ground loop noise are discussed and solutions are presented. Finally, experimental validation of the modeling and emulation of the induction machine is presented and the performance of the machine emulation testbench is discussed.
Master of Science
According to the International Energy Agency (IEA), electric power usage is increasing across all sectors, and particularly in the transportation sector [1]. This increase is apparent in one's daily life through the increase of electric vehicles on the road. Power electronics convert electricity in one form to electricity in another form. This conversion of power is playing an increasingly important role in society because examples of this conversion include converting the dc voltage of a battery to ac voltage in an electric car or the conversion of the ac power grid to dc to power a laptop. Additionally, even within an electric car, power converters transform the battery's electric power from a higher dc voltage into lower voltage dc power to supply the entertainment system and into ac power to drive the car's motor. The electrification of the transportation sector is leading to an increase in the amount of electric energy that is being consumed and processed through power electronics. As was illustrated in the previous examples of electric cars, the application of power electronics is very wide and thus requires different testbenches for the many different applications. While some industries are used to power electronics and testing converters, transportation electrification is increasing the number of companies and industries that are using power electronics and electric machines. As industry is shifting towards these new technologies, it is a prime opportunity to change the way that high power testing is done for electric machines and power converters. Traditional testing methods are potentially dangerous and lack the flexibility that is required to test a wide variety of machines and drives. Power hardware-in-the-loop (PHIL) testing presents a safe and adaptable solution to high power testing of electric machines. Traditionally, electric machines were primarily used in heavy industry such as milling, processing, and pumping applications. These applications, and other applications such as an electric motor in a car or plane are called motor drive systems. Regardless of the particular application of the motor drive system, there are generally three parts: a dc source, an inverter, and the electric machine. In most applications, other than cars which have a dc battery, the dc source is a power electronic converter called a rectifier which converts ac electricity from the grid to dc for the motor drive. Next, the motor drive converts the dc electricity from the first stage to a controlled ac output to drive the electric machine. Finally, the electric machine itself is the final piece of the electrical system and converts the electrical energy to mechanical energy which can drive a fan, belt, or axle. The fact that this motor drive system can be generalized and applied to a wide range of applications makes its study particularly interesting. PHIL simplifies testing of these motor drive systems by allowing the inverter to connect directly to a machine emulator which is able to replicate a variety of loads. Furthermore, this work demonstrates the capability of PHIL to emulate both the induction machine load as well as the dc source by considering several rectifier topologies without any significant adjustments from the machine emulation platform. This thesis demonstrates the capabilities of the EGSTON Power Electronics GmbH COMPISO System Unit to emulate motor drive systems to allow for safer, more flexible motor drive system testing. The main goal of this thesis is to demonstrate an accurate PHIL emulation of a induction machine and to provide validation of the emulation results through comparison with an induction machine.
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Schweitzer, Pierre. "Simulations parallèles de Monte Carlo appliquées à la Physique des Hautes Energies pour plates-formes manycore et multicore : mise au point, optimisation, reproductibilité." Thesis, Clermont-Ferrand 2, 2015. http://www.theses.fr/2015CLF22605/document.

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Lors de cette thèse, nous nous sommes focalisés sur le calcul à haute performance, dans le domaine très précis des simulations de Monte Carlo appliquées à la physique des hautes énergies, et plus particulièrement, aux simulations pour la propagation de particules dans un milieu. Les simulations de Monte Carlo sont des simulations particulièrement consommatrices en ressources, temps de calcul, capacité mémoire. Dans le cas précis sur lequel nous nous sommes penchés, la première simulation de Monte Carlo existante prenait plus de temps à simuler le phénomène physique que le phénomène lui-même n’en prenait pour se dérouler dans les conditions expérimentales. Cela posait donc un sévère problème de performance. L’objectif technique minimal était d’avoir une simulation prenant autant de temps que le phénomène réel observé, l’objectif maximal était d’avoir une simulation bien plus rapide. En effet, ces simulations sont importantes pour vérifier la bonne compréhension de ce qui est observé dans les conditions expérimentales. Plus nous disposons d’échantillons statistiques simulés, meilleurs sont les résultats. Cet état initial des simulations ouvrait donc de nombreuses perspectives d’un point de vue optimisation et calcul à haute performance. Par ailleurs, dans notre cas, le gain de performance étant proprement inutile s’il n’est pas accompagné d’une reproductibilité des résultats, la reproductibilité numérique de la simulation est de ce fait un aspect que nous devons prendre en compte.C’est ainsi que dans le cadre de cette thèse, après un état de l’art sur le profilage, l’optimisation et la reproductibilité, nous avons proposé plusieurs stratégies visant à obtenir plus de performances pour nos simulations. Dans tous les cas, les optimisations proposées étaient précédées d’un profilage. On n’optimise jamais sans avoir profilé. Par la suite, nous nous intéressés à la création d’un profileur parallèle en programmation orientée aspect pour nos besoins très spécifiques, enfin, nous avons considéré la problématique de nos simulations sous un angle nouveau : plutôt que d’optimiser une simulation existante, nous avons proposé des méthodes permettant d’en créer une nouvelle, très spécifique à notre domaine, qui soit d’emblée reproductible, statistiquement correcte et qui puisse passer à l’échelle. Dans toutes les propositions, de façon transverse, nous nous sommes intéressés aux architectures multicore et manycore d’Intel pour évaluer les performances à travers une architecture orientée serveur et une architecture orientée calcul à haute performance. Ainsi, grâce à la mise en application de nos propositions, nous avons pu optimiser une des simulations de Monte Carlo, nous permettant d’obtenir un gain de performance de l’ordre de 400X, une fois optimisée et parallélisée sur un nœud de calcul avec 32 cœurs physiques. De même, nous avons pu proposer l’implémentation d’un profileur, programmé à l’aide d’aspects et capable de gérer le parallélisme à la fois de la machine sur laquelle il est exécuté mais aussi de l’application qu’il profile. De plus, parce qu’il emploi les aspects, il est portable et n’est pas fixé à une architecture matérielle en particulier. Enfin, nous avons implémenté la simulation prévue pour être reproductible, performante et ayant des résultats statistiquement viables. Nous avons pu constater que ces objectifs étaient atteints quelle que soit l’architecture cible pour l’exécution. Cela nous a permis de valider notamment notre méthode de vérification de la reproductibilité numérique d’une simulation
During this thesis, we focused on High Performance Computing, specifically on Monte Carlo simulations applied to High Energy Physics. We worked on simulations dedicated to the propagation of particles through matter. Monte Carlo simulations require significant CPU time and memory footprint. Our first Monte Carlo simulation was taking more time to simulate the physical phenomenon than the said phenomenon required to happen in the experimental conditions. It raised a real performance issue. The minimal technical aim of the thesis was to have a simulation requiring as much time as the real observed phenomenon. Our maximal target was to have a much faster simulation. Indeed, these simulations are critical to asses our correct understanding of what is observed during experimentation. The more we have simulated statistics samples, the better are our results. This initial state of our simulation was allowing numerous perspectives regarding optimisation, and high performance computing. Furthermore, in our case, increasing the performance of the simulation was pointless if it was at the cost of losing results reproducibility. The numerical reproducibility of the simulation was then an aspect we had to take into account. In this manuscript, after a state of the art about profiling, optimisation and reproducibility, we proposed several strategies to gain more performance in our simulations. In each case, all the proposed optimisations followed a profiling step. One never optimises without having profiled first. Then, we looked at the design of a parallel profiler using aspect-oriented programming for our specific needs. Finally, we took a new look at the issues raised by our Monte Carlo simulations: instead of optimising existing simulations, we proposed methods for developing a new simulation from scratch, having in mind it is for High Performance Computing and it has to be statistically sound, reproducible and scalable. In all our proposals, we looked at both multicore and manycore architectures from Intel to benchmark the performance on server-oriented architecture and High Performance Computing oriented architecture. Through the implementation of our proposals, we were able to optimise one of the Monte Carlo simulations, permitting us to achieve a 400X speedup, once optimised and parallelised on a computing node with 32 physical cores. We were also able to implement a profiler with aspects, able to deal with the parallelism of its computer and of the application it profiles. Moreover, because it relies on aspects, it is portable and not tied to any specific architecture. Finally, we implemented the simulation designed to be reproducible, scalable and to have statistically sound results. We observed that these goals could be achieved, whatever the target architecture for execution. This enabled us to assess our method for validating the numerical reproducibility of a simulation
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Vrbenský, Andrej. "Paralelizace ultrazvukových simulací pomocí akcelerátoru Intel Xeon Phi." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2015. http://www.nusl.cz/ntk/nusl-264950.

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Nowadays, the simulation of ultrasound acoustic waves has a wide range of practical usage. As one of them we can name the simulation in realistic tissue media, which is successfully used in medicine. There are several software applications dedicated to perform such simulations. k-Wave is one of them. The computational difficulty of the simulation itself is very high, and this leaves a space to explore new speed-up methods. In this master's thesis, we proposed a way to speed-up the simulation based on parallelization using Intel Xeon Phi accelerator. The accelerator contains large amount of cores and an extra-wide vector unit, and therefore, is ideal for purpose of parallelization and vectorization. The implementation is using OpenMP version 4.0, which brings some new options such as explicit vectorization. Results were measured during extensive experiments.
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Phadke, Nandan Neelkanth. "OPTIMIZATIONS ON FINITE THREE DIMENSIONAL LARGE EDDY SIMULATIONS." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1431084092.

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Chen, Chong. "Acceleration of Computer Based Simulation, Image Processing, and Data Analysis Using Computer Clusters with Heterogeneous Accelerators." University of Dayton / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=dayton148036732102682.

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Obrtáč, Tomáš. "Návrh komplexního HIL simulátoru pátých dveří automobilu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-402544.

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This thesis covers the development of complex HIL simulator for the fifth car door. The beginning of the thesis is dedicated to theoretical research in the area of In-the-Loop testing. Practical part describes development of HIL simulator complemented by power electronics part. A simulation environment Matlab/Simulink was used for control design and analysis. Before the beginning of the work was measured signal part of control unit and specific signal sequences were identified. The control was applied on sbRIO device from National Instruments company with the implementation of a model on FPGA. Specific requirements for sensing speed and generation of communication signals lead to creation of unique hardware for application needs. The result of the thesis is complex HIL simulator with intuitive GUI and possibility of simulations a wide range of DC motors.
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Lambert, Jason. "Parallélisation de simulations interactives de champs ultrasonores pour le contrôle non destructif." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112125/document.

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La simulation est de plus en plus utilisée dans le domaine industriel du Contrôle Non Destructif. Elle est employée tout au long du processus de contrôle, que ce soit pour en accélérer la mise au point ou en comprendre les résultats. Les travaux menés au cours de cette thèse présentent une méthode de calcul rapide de champ ultrasonore rayonné par un capteur multi-éléments dans une pièce isotrope, permettant un usage interactif des simulations. Afin de tirer parti des architectures parallèles communément disponibles, un modèle régulier (qui limite au maximum les branchements divergents) dérivé du modèle générique présent dans la plateforme logicielle CIVA a été mis au point. Une première implémentation de référence a permis de le valider par rapport aux résultats CIVA et d'analyser son comportement en termes de performances. Le code a ensuite été porté et optimisé sur trois classes d'architectures parallèles aujourd'hui disponibles dans les stations de calcul : le processeur généraliste central (GPP), le coprocesseur manycore (Intel MIC) et la carte graphique (nVidia GPU). Concernant le processeur généraliste et le coprocesseur manycore, l'algorithme a été réorganisé et le code implémenté afin de tirer parti des deux niveaux de parallélisme disponibles, le multithreading et les instructions vectorielles. Sur la carte graphique, les différentes étapes de simulation de champ ont été découpées en une série de noyaux CUDA. Enfin, des bibliothèques de calculs spécifiques à ces architectures, Intel MKL et nVidia cuFFT, ont été utilisées pour effectuer les opérations de Transformées de Fourier Rapides. Les performances et la bonne adéquation des codes produits ont été analysées en détail pour chaque architecture. Dans plusieurs cas, sur des configurations de contrôle réalistes, des performances autorisant l'interactivité ont été atteintes. Des perspectives pour traiter des configurations plus complexes sont dressées. Enfin la problématique de l'industrialisation de ce type de code dans la plateforme logicielle CIVA est étudiée
The Non Destructive Testing field increasingly uses simulation.It is used at every step of the whole control process of an industrial part, from speeding up control development to helping experts understand results. During this thesis, a simulation tool dedicated to the fast computation of an ultrasonic field radiated by a phase array probe in an isotropic specimen has been developped. Its performance enables an interactive usage. To benefit from the commonly available parallel architectures, a regular model (aimed at removing divergent branching) derived from the generic CIVA model has been developped. First, a reference implementation was developped to validate this model against CIVA results, and to analyze its performance behaviour before optimization. The resulting code has been optimized for three kinds of parallel architectures commonly available in workstations: general purpose processors (GPP), manycore coprocessors (Intel MIC) and graphics processing units (nVidia GPU). On the GPP and the MIC, the algorithm was reorganized and implemented to benefit from both parallelism levels, multhreading and vector instructions. On the GPU, the multiple steps of field computing have been divided in multiple successive CUDA kernels.Moreover, libraries dedicated to each architecture were used to speedup Fast Fourier Transforms, Intel MKL on GPP and MIC and nVidia cuFFT on GPU. Performance and hardware adequation of the produced algorithms were thoroughly studied for each architecture. On multiple realistic control configurations, interactive performance was reached. Perspectives to adress more complex configurations were drawn. Finally, the integration and the industrialization of this code in the commercial NDT plateform CIVA is discussed
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Wen, Wei. "Simulation of large deformation response of polycrystals, deforming by slip and twinning, using the viscoplastic Ø-model." Phd thesis, Université de Strasbourg, 2013. http://tel.archives-ouvertes.fr/tel-00959709.

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The computation of the macroscopic response of polycrystalline aggregates from the properties of their single-crystal is a main problem in materials mechanics. During the mechanical deformation processing, all the grains in the polycrystalline material sample are reoriented. A crystallographic texture may thus be developed which is responsible for the material anisotropy. Therefore, the modeling of the texture evolution is important to predict the anisotropy effects present in industrial processes. The formulation of polycrystals plasticity has been the subject of many studies and different approaches have been proposed. Ahzi and M'Guil developed a viscoplastic phi-model. This model takes into account the grains interaction effects without involving the Eshelby inclusion problems.In this thesis, the phi-model was applied to different crystallographic structures and under different loading conditions. The mechanical twinning has been taken into account in the model. The FCC rolling texture transition from copper-type to brass-type texture is studied. The shear tests in FCC metals are also studied. The predicted results are compared with experimental shear textures for a range of metals having a high SFE to low SFE. For BCC metal, we compare our predicted results with those predicted by the VPSC model. We study the slip activities, texture evolutions and the evolution of yield loci. We also present a comparison with experimental textures from literatures for several BCC metals under cold rolling tests. The model has also been extended to HCP metals. We predict the deformation behavior of the magnesium alloy for different interaction strengths. We also compare our predicted results with experimental data from literatures. We show that the results predicted by the phi-model are in good agreement with the experimental ones.
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Book chapters on the topic "PHIL simulation"

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Vázquez, Mariano, Guillaume Houzeaux, Félix Rubio, and Christian Simarro. "Alya Multiphysics Simulations on Intel’s Xeon Phi Accelerators." In Communications in Computer and Information Science, 248–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45483-1_18.

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Arvin, Farshad, Tomáš Krajník, and Ali Emre Turgut. "P $$\mathrm {\Phi }$$ SS: An Open-Source Experimental Setup for Real-World Implementation of Swarm Robotic Systems in Long-Term Scenarios." In Modelling and Simulation for Autonomous Systems, 351–64. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14984-0_26.

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Papadimitriou, Michail, Joris Cramwinckel, and Ana Lucia Varbanescu. "Speed-Up Computational Finance Simulations with OpenCL on Intel Xeon Phi." In Euro-Par 2016: Parallel Processing Workshops, 199–208. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-58943-5_16.

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Tobin, Josh, Alexander Breuer, Alexander Heinecke, Charles Yount, and Yifeng Cui. "Accelerating Seismic Simulations Using the Intel Xeon Phi Knights Landing Processor." In Lecture Notes in Computer Science, 139–57. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-58667-0_8.

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Tchipev, Nikola, Amer Wafai, Colin W. Glass, Wolfgang Eckhardt, Alexander Heinecke, Hans-Joachim Bungartz, and Philipp Neumann. "Optimized Force Calculation in Molecular Dynamics Simulations for the Intel Xeon Phi." In Euro-Par 2015: Parallel Processing Workshops, 774–85. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-27308-2_62.

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Heinecke, Alexander, Alexander Breuer, Michael Bader, and Pradeep Dubey. "High Order Seismic Simulations on the Intel Xeon Phi Processor (Knights Landing)." In Lecture Notes in Computer Science, 343–62. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41321-1_18.

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Cazzaniga, P., F. Ferrara, M. S. Nobile, D. Besozzi, and G. Mauri. "Parallelizing Biochemical Stochastic Simulations: A Comparison of GPUs and Intel Xeon Phi Processors." In Lecture Notes in Computer Science, 363–74. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-21909-7_36.

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Vaverka, Filip, Bradley E. Treeby, and Jiri Jaros. "Performance Evaluation of Pseudospectral Ultrasound Simulations on a Cluster of Xeon Phi Accelerators." In Lecture Notes in Computer Science, 99–115. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67077-1_6.

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Vaverka, Filip, Bradley E. Treeby, and Jiri Jaros. "Evaluation of the Suitability of Intel Xeon Phi Clusters for the Simulation of Ultrasound Wave Propagation Using Pseudospectral Methods." In Lecture Notes in Computer Science, 577–90. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22744-9_45.

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Bylaska, Eric J., Mathias Jacquelin, Wibe A. de Jong, Jeff R. Hammond, and Michael Klemm. "Performance Evaluation of NWChem Ab-Initio Molecular Dynamics (AIMD) Simulations on the Intel® Xeon Phi™ Processor." In Lecture Notes in Computer Science, 404–18. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-67630-2_30.

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Conference papers on the topic "PHIL simulation"

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Dargahi, Mahdi, Arindam Ghosh, and Gerard Ledwich. "Stability synthesis of power hardware-in-the-loop (PHIL) simulation." In 2014 IEEE Power & Energy Society General Meeting. IEEE, 2014. http://dx.doi.org/10.1109/pesgm.2014.6939021.

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Florescu, Adrian, Seddik Bacha, Axel Rumeau, Iulian Munteanu, and Antoneta Iuliana Bratcu. "PHIL simulation for validating power management strategies in all-electric vehicles." In 2013 15th European Conference on Power Electronics and Applications (EPE). IEEE, 2013. http://dx.doi.org/10.1109/epe.2013.6634712.

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Bompard, Ettore, Sergio Bruno, Stefano Frittoli, Giovanni Giannoccaro, Massimo La Scala, Andrea Mazza, Enrico Pons, and Carmine Rodio. "Remote PHIL Distributed Co-Simulation Lab for TSO-DSO-Customer Coordination Studies." In 2020 AEIT International Annual Conference (AEIT). IEEE, 2020. http://dx.doi.org/10.23919/aeit50178.2020.9241104.

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Dargahi, Mahdi, Arindam Ghosh, Gerard Ledwich, and Firuz Zare. "Studies in power hardware in the loop (PHIL) simulation using real-time digital simulator (RTDS)." In 2012 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). IEEE, 2012. http://dx.doi.org/10.1109/pedes.2012.6484500.

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Ruhe, Stephan, Max Fechner, Steffen Nicolai, and Peter Bretschneider. "Simulation of Coupled Components within Power-Hardware-in-the-Loop (PHiL) Test Bench." In 2020 55th International Universities Power Engineering Conference (UPEC). IEEE, 2020. http://dx.doi.org/10.1109/upec49904.2020.9209844.

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Guillo-Sansano, E., A. J. Roscoe, and G. M. Burt. "Harmonic-by-harmonic time delay compensation method for PHIL simulation of low impedance power systems." In 2015 International Symposium on Smart Electric Distribution Systems and Technologies (EDST). IEEE, 2015. http://dx.doi.org/10.1109/sedst.2015.7315271.

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Lundstrom, Blake, Barry Mather, Mariko Shirazi, and Michael Coddington. "Implementation and validation of advanced unintentional islanding testing using power hardware-in-the-loop (PHIL) simulation." In 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC). IEEE, 2013. http://dx.doi.org/10.1109/pvsc.2013.6745123.

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Sarwar, Muhammad, Muhammad Abubakar, Mishal Mahmood, Mariam Azam, Khair-un-Nisa Fatima, and Babar Hussain. "Design and Implementation of an Automatic Synchronizing and Protection Relay through Power-Hardware-in-the-Loop (PHIL) Simulation." In 2019 15th International Conference on Emerging Technologies (ICET). IEEE, 2019. http://dx.doi.org/10.1109/icet48972.2019.8994393.

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Sen, Surojit, Paul L. Evans, and C. Mark Johnson. "Multi-Frequency Averaging (MFA) Model of Electric-Hybrid Powertrain Suitable for Variable Frequency Operation Applied in Geographically-Distributed Power Hardware-in-the-Loop (GD-PHiL) Simulation." In 2018 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2018. http://dx.doi.org/10.1109/vppc.2018.8604967.

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Mathur, Kapil, Sandeep Agrawal, Shraddha Desai, Deepti Malav, C. V. Deepu, and Goldi Misra. "Intel Xeon Phi: Various HPC aspects." In 2013 International Conference on High Performance Computing & Simulation (HPCS). IEEE, 2013. http://dx.doi.org/10.1109/hpcsim.2013.6641495.

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