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Journal articles on the topic 'Power simulations'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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1

Dinkelbach, Jan, Ghassen Nakti, Markus Mirz, and Antonello Monti. "Simulation of Low Inertia Power Systems Based on Shifted Frequency Analysis." Energies 14, no. 7 (2021): 1860. http://dx.doi.org/10.3390/en14071860.

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New types of power system transients with lower time constants are emerging due to the replacement of synchronous generation with converter interfaced generation and are challenging the modeling approaches conventionally applied in power system simulation. Quasi-stationary simulations are based on classical phasor models, whereas EMT simulations calculate the instantaneous values of models in the time domain. In addition to these conventional modeling approaches, this paper investigates simulation based on dynamic phasor models, as has been proposed by the Shifted Frequency Analysis. The simul

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2

Dulău, Lucian-Ioan, and Dorin Bică. "Simulation of a Power System Considering Active Power Losses and Seasons." Acta Marisiensis. Seria Technologica 18, no. 1 (2021): 1–7. http://dx.doi.org/10.2478/amset-2021-0001.

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Abstract In this paper is presented the simulation of a power system. The simulations performed are considering the seasons (spring, summer, autumn and winter). The system has 39 buses, 46 power lines, 13 generating units, 19 loads and 2 storage units. Of the 13 generating units, 3 are distributed generation sources based on renewable energy. There are also 2 battery storage units. The simulation considers the active power supplied by the generating and storage units, respectively the active power losses. The results give the power supplied by each generating unit for each season.

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Rácz, Gábor, István Szapudi, István Csabai, and László Dobos. "The anisotropy of the power spectrum in periodic cosmological simulations." Monthly Notices of the Royal Astronomical Society 503, no. 4 (2021): 5638–45. http://dx.doi.org/10.1093/mnras/stab874.

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ABSTRACT The classical gravitational force on a torus is anisotropic and always lower than Newton’s 1/r2 law. We demonstrate the effects of periodicity in dark matter only N-body simulations of spherical collapse and standard Lambda cold dark matter (ΛCDM) initial conditions. Periodic boundary conditions cause an overall negative and anisotropic bias in cosmological simulations of cosmic structure formation. The lower amplitude of power spectra of small periodic simulations is a consequence of the missing large-scale modes and the equally important smaller periodic forces. The effect is most s

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Ichikawa, Tatsumi. "Power Plant Dynamics Simulations Considering Interaction with Power System." IFAC Proceedings Volumes 30, no. 17 (1997): 595–600. http://dx.doi.org/10.1016/s1474-6670(17)46470-6.

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Herrington, Alaina, and Joseph Tacy. "Crossing the Power Line: Using Virtual Simulation to Prepare the First Responders of Utility Linemen." Informatics 7, no. 3 (2020): 26. http://dx.doi.org/10.3390/informatics7030026.

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Virtual reality (VR) healthcare simulation has helped learners develop skills that are transferable to real-word conditions. Innovative strategies are needed to train workers to improve community safety. The purpose of this pilot project was to evaluate the use of a VR simulation applying the International Nursing Association for Clinical Simulation and Learning (INACSL) Standards of Best Practice: SimulationSM Simulation Design with eight power line workers. Six power industry supervisors and educators assisted in facilitating three VR simulations with eight linemen participants. Kotter’s eig

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Henriksson, S. V., P. Räisänen, J. Silen, H. Järvinen, and A. Laaksonen. "Power-law behavior in millennium climate simulations." Earth System Dynamics Discussions 3, no. 1 (2012): 391–416. http://dx.doi.org/10.5194/esdd-3-391-2012.

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Abstract. Using a method of discrete Fourier transform with varying starting point and length of time window and the long time series provided by millennium Earth System Model simulations, we get good fits to power laws between two characteristic oscillatory timescales of the model climate: multidecadal (50–80 yr) and El Nino (3–6 yr) timescales. For global mean temperature, we fit β ~ 0.35 in a relation S(f) ~ f−β in a simulation without external climate forcing and β over 0.7 in a simulation with external forcing included. We also fit a power law with β ~ 8 to the narrow frequency range betw

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Wang, Zhaoan, and Yoshishige Murakami. "Hybrid simulations for power electronic circuits." IEEJ Transactions on Industry Applications 109, no. 9 (1989): 645–52. http://dx.doi.org/10.1541/ieejias.109.645.

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Holmes, Stephen. "Simulations of Power in Putin's Russia." Current History 100, no. 648 (2001): 307–12. http://dx.doi.org/10.1525/curh.2001.100.648.307.

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Although the identity of power wielders changes from year to year, we will not soon witness the emergence of a form of power accountable to ordinary Russian citizens. The state will remain detached and nonresponsive to society. It will remain a ‘corporation’ that, however wracked by internal struggles, basically looks after itself.

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Chen, S., and F. Y. Lu. "Web-based simulations of power systems." IEEE Computer Applications in Power 15, no. 1 (2002): 35–40. http://dx.doi.org/10.1109/67.976990.

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van Meel, J. A., A. Arnold, D. Frenkel, S. F. Portegies Zwart, and R. G. Belleman. "Harvesting graphics power for MD simulations." Molecular Simulation 34, no. 3 (2008): 259–66. http://dx.doi.org/10.1080/08927020701744295.

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11

Masaki, Shogo, Takahiro Nishimichi, and Masahiro Takada. "Anisotropic separate universe simulations." Monthly Notices of the Royal Astronomical Society 496, no. 1 (2020): 483–96. http://dx.doi.org/10.1093/mnras/staa1579.

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ABSTRACT The long-wavelength coherent overdensity and tidal force, which are not direct observables for a finite-volume survey, affect time evolution of cosmic structure formation and therefore clustering observables through the mode coupling. In this paper, we develop an ‘anisotropic’ separate universe (SU) simulation technique to simulate large-scale structure formation taking into account the effect of large-scale tidal force into the anisotropic expansion of local background. We modify the treepmN-body simulation code to implement the anisotropic SU simulations, and then study the ‘respons

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12

Fardi, Hamid, and Bart van Zeghbroeck. "Breakdown Field Model for 3C-SiC Power Device Simulations." Materials Science Forum 924 (June 2018): 617–20. http://dx.doi.org/10.4028/www.scientific.net/msf.924.617.

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Modeling and simulation of 3C-SiC power devices such as MOSFETs and diodes requires a model for the breakdown field that is consistent with the Monte-Carlo-simulated ionization rates of electron and holes and supported by experimental results. The challenge one faces is the limited number of publications reporting such calculations and the limited availability of high-quality ionization breakdown data for 3C-SiC diodes. We therefore performed a series of 2D simulations of both n-type and p-type Schottky diodes and p+-n diodes that confirms the general breakdown field trend with doping density

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Potbhare, Siddharth, Neil Goldsman, Akin Akturk, and Aivars J. Lelis. "Mixed Mode Modeling and Characterization of a 4H-SiC Power DMOSFET Based DC-DC Power Converter." Materials Science Forum 645-648 (April 2010): 1163–66. http://dx.doi.org/10.4028/www.scientific.net/msf.645-648.1163.

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We present detailed mixed-mode simulations of a DC-DC converter based on 4H-SiC DMOSFETs. The mixed-mode modeling enables the use of complex physics based models for the interface trap occupation and surface mobility that are typical for 4H-SiC devices, and apply them to a practical circuit application such as a DC-DC boost converter. The mixed mode simulations are performed for a reduced DC-DC converter circuit to evaluate the performance of the DMOSFET when it has an inductive load. The current inside the device and its power dissipation during switching are evaluated numerically. Further, t

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Hinda, Abdellatif, and Mounir Khiat. "Real-time simulation of static synchronous condenser (STATCOM) for compensation of reactive power." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 6 (2020): 5599. http://dx.doi.org/10.11591/ijece.v10i6.pp5599-5608.

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This paper presents a real time simulation stability of power system by static synchronous condenser (STATCOM) in modern platform real-time simulator named (RT-LAB) using the latest INTEL quad-core processors to simulate a relatively large power system In our work, We have to study the problem of controlling voltage and reactive power in electric system by static synchronous condenser (STATCOM). All the simulations for the above work have been carried out using MATLAB /Simulink and RT-LAB Various simulations have given very satisfactory results and we have successfully improved the voltage by

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15

Sørensen, Poul, Ian Norheim, Peter Meibom, and Kjetil Uhlen. "Simulations of wind power integration with complementary power system planning tools." Electric Power Systems Research 78, no. 6 (2008): 1069–79. http://dx.doi.org/10.1016/j.epsr.2007.08.008.

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16

Fasol, K. H. "Computer Simulations to Improve Hydro Power Control." IFAC Proceedings Volumes 18, no. 7 (1985): 241–47. http://dx.doi.org/10.1016/s1474-6670(17)60441-5.

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17

Vorbach, A., H. Schwingshandl, D. Rumpel, and M. Brockmann. "Power System Restorations — Methods and Model-Simulations." IFAC Proceedings Volumes 21, no. 11 (1988): 281–85. http://dx.doi.org/10.1016/s1474-6670(17)53756-8.

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18

Carcasci, C., and B. Facchini. "A Numerical Method for Power Plant Simulations." Journal of Energy Resources Technology 118, no. 1 (1996): 36–43. http://dx.doi.org/10.1115/1.2792691.

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This paper describes a highly flexible computerized method of calculating operating data in a power cycle. The computerized method presented here permits the study of steam, gas and combined plants, Its flexibility is not restricted by any defined cycle scheme. A power plant consists of simple elements (turbine, compressor, combustor chamber, pump, etc.). Each power plant componment is represented by its typical equations relating to fundamental mechanical and thermodynamic laws, so a power plant system is represented by algebraic equations, which are the typical equations of components, conti

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19

Eppley, K., S. Yu, A. Drobot, et al. "Results of Simulations of High-Power Klystrons." IEEE Transactions on Nuclear Science 32, no. 5 (1985): 2903–5. http://dx.doi.org/10.1109/tns.1985.4334221.

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20

Shepstone, N. M. "Teaching Electrical Power Systems Using Computer Simulations." International Journal of Electrical Engineering & Education 40, no. 1 (2003): 72–78. http://dx.doi.org/10.7227/ijeee.40.1.8.

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A computer program has been developed at the Manukau Institute of Technology that can be used for teaching and researching short, medium and long overhead power lines. The program makes use of interconnected icons rather than differential equations written in computer code (text). By using programs consisting of graphical icons it is far easier for students to visualise the power line that they are studying and in addition it makes it simple for them to modify and update the program. Until recently it has been difficult to teach overhead power lines in a meaningful way because the equations mo

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21

Rodat, S., J. V. D. Souza, S. Thebault, V. Vuillerme, and N. Dupassieux. "Dynamic Simulations of Fresnel Solar Power Plants." Energy Procedia 49 (2014): 1501–10. http://dx.doi.org/10.1016/j.egypro.2014.03.159.

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22

Pretorius, Johannes P., and Detlev G. Kröger. "Solar Chimney Power Plant Performance." Journal of Solar Energy Engineering 128, no. 3 (2006): 302–11. http://dx.doi.org/10.1115/1.2210491.

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This paper evaluates the performance of a large-scale solar chimney power plant. The study considers the performance of a particular reference plant under specified meteorological conditions at a reference location in South Africa. A computer simulation program is employed to solve the governing conservation and draught equations simultaneously. Newly developed convective heat transfer and momentum equations are included in the numerical model and multiple simulations are performed. Results indicate 24hr plant power production, while illustrating considerable daily and seasonal power output va

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23

Shetgaonkar, Ajay, Aleksandra Lekić, José Luis Rueda Torres, and Peter Palensky. "Microsecond Enhanced Indirect Model Predictive Control for Dynamic Power Management in MMC Units." Energies 14, no. 11 (2021): 3318. http://dx.doi.org/10.3390/en14113318.

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The multi-modular converter (MMC) technology is becoming the preferred option for the increased deployment of variable renewable energy sources (RES) into electrical power systems. MMC is known for its reliability and modularity. The fast adjustment of the MMC’s active/reactive powers, within a few milliseconds, constitutes a major research challenge. The solution to this challenge will allow accelerated integration of RES, without creating undesirable stability issues in the future power system. This paper presents a variant of model predictive control (MPC) for the grid-connected MMC. MPC is

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24

Hilliard, Ivan. "People Power – Computer Games in the Classroom." Higher Learning Research Communications 4, no. 1 (2014): 112. http://dx.doi.org/10.18870/hlrc.v4i1.200.

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<p>Computer simulations have strong potential as learning tools, both to deepen theoretical understanding and for skills development. However, it is important to understand the different factors that may affect the success of this relatively new classroom tool. This article is based on a computer simulation workshop for International Relations students, where the objective is to manage a transition to democracy from an authoritarian regime.</p>

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25

Saidi, Abdelaziz Salah. "Impact of large photovoltaic power penetration on the voltage regulation and dynamic performance of the Tunisian power system." Energy Exploration & Exploitation 38, no. 5 (2020): 1774–809. http://dx.doi.org/10.1177/0144598720940864.

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By the year 2023, the Tunisian power transmission grid has been projected to include photovoltaic pool of power of 937 MW, scattered throughout the whole landscape of the nation. This paper investigates high photovoltaic energy penetration impacts voltage regulation and dynamic performance of the grid. Load flow analysis is implemented to investigate the power system capability for the case of incorporating the desired photovoltaic power. Computer-based simulations have been used for evaluating the upgradation of the grid. Moreover, the study is based on bifurcation diagrams taking the photovo

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26

Bu, Jing, and Ning Qiang Jiang. "Analysis of Power System’s Critical Damping." Advanced Materials Research 219-220 (March 2011): 586–90. http://dx.doi.org/10.4028/www.scientific.net/amr.219-220.586.

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In this paper, the analytical formulations among the damping factor and the other parameters are studied by Melnikov method for the classic second-order model of power system. The proximity of Melnikov method is analyzed by comparison between the obtained critical damping factor with the result by time-domain simulation method. It points out that this method exist great error in the range of engineering application. To solve this problem, an improved method is proposed to calculate the critical damping factor based on RBFNN. Finally, simulations show that it can effectively improve the calcula

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27

Castro, Laura, Gustavo Urquiza, Adam Adamkowski, and Marcelo Reggio. "Experimental and Numerical Simulations Predictions Comparison of Power and Efficiency in Hydraulic Turbine." Modelling and Simulation in Engineering 2011 (2011): 1–8. http://dx.doi.org/10.1155/2011/146054.

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On-site power and mass flow rate measurements were conducted in a hydroelectric power plant (Mexico). Mass flow rate was obtained using Gibson's water hammer-based method. A numerical counterpart was carried out by using the commercial CFD software, and flow simulations were performed to principal components of a hydraulic turbine: runner and draft tube. Inlet boundary conditions for the runner were obtained from a previous simulation conducted in the spiral case. The computed results at the runner's outlet were used to conduct the subsequent draft tube simulation. The numerical results from t

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28

Hilbert, Stefan, Alexandre Barreira, Giulio Fabbian, et al. "The accuracy of weak lensing simulations." Monthly Notices of the Royal Astronomical Society 493, no. 1 (2020): 305–19. http://dx.doi.org/10.1093/mnras/staa281.

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ABSTRACT We investigate the accuracy of weak lensing simulations by comparing the results of five independently developed lensing simulation codes run on the same input N-body simulation. Our comparison focuses on the lensing convergence maps produced by the codes, and in particular on the corresponding PDFs, power spectra, and peak counts. We find that the convergence power spectra of the lensing codes agree to $\lesssim 2{{\ \rm per\ cent}}$ out to scales ℓ ≈ 4000. For lensing peak counts, the agreement is better than $5{{\ \rm per\ cent}}$ for peaks with signal-to-noise ≲ 6. We also discuss

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29

Zhang, Junjie, Lukas Razik, Sigurd Hofsmo Jakobsen, Salvatore D’Arco, and Andrea Benigni. "An Open-Source Many-Scenario Approach for Power System Dynamic Simulation on HPC Clusters." Electronics 10, no. 11 (2021): 1330. http://dx.doi.org/10.3390/electronics10111330.

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In this paper we introduce an approach to accelerate many-scenario (i.e., hundreds to thousands) power system simulations which is based on a highly scalable and flexible open-source software environment. In this approach, the parallel execution of simulations follows the single program, multiple data (SPMD) paradigm, where the dynamic simulation program is executed in parallel and takes different inputs to generate different scenarios. The power system is modeled using an existing Modelica library and compiled to a simulation executable using the OpenModelica Compiler. Furthermore, the parall

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Ruhai Guo, Ruhai Guo, Wei Tang Wei Tang, Bin Wang Bin Wang, Kui Shi Kui Shi, and Ning Chen Ning Chen. "Simulations of optical inner-channel thermal deformation for high-power system with unstable resonator." Chinese Optics Letters 11, s2 (2013): S21402–321405. http://dx.doi.org/10.3788/col201311.s21402.

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31

Hansen, Anca D., Poul Sørensen, Florin Iov, and Frede Blaabjerg. "Initialisation of Grid-Connected Wind Turbine Models in Power-System Simulations." Wind Engineering 27, no. 1 (2003): 21–38. http://dx.doi.org/10.1260/030952403321833734.

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This paper describes a method of initialising dynamic wind turbine models in power-system simulations. The method uses grid-status information to initialise the grid-connected wind turbine model. The goal is to start a power-system simulation in a stationary state, without unnecessary transient behaviour at the beginning of the simulation. Correct initialisation is necessary to reach quickly the steady state of the grid-connected wind turbine, before a real transient on the grid occurs. Consequently, the dynamic performance of the system can be independently and accurately evaluated. The metho

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32

Kurita, Toshiki, Masahiro Takada, Takahiro Nishimichi, Ryuichi Takahashi, Ken Osato, and Yosuke Kobayashi. "Power spectrum of halo intrinsic alignments in simulations." Monthly Notices of the Royal Astronomical Society 501, no. 1 (2020): 833–52. http://dx.doi.org/10.1093/mnras/staa3625.

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ABSTRACT We use a suite of N-body simulations to study intrinsic alignments (IA) of halo shapes with the surrounding large-scale structure in the ΛCDM model. For this purpose, we develop a novel method to measure multipole moments of the three-dimensional power spectrum of the E-mode field of halo shapes with the matter/halo distribution, $P_{\delta E}^{(\ell)}(k)$ (or $P^{(\ell)}_{{\rm h}E}$), and those of the auto-power spectrum of the E-mode, $P^{(\ell)}_{EE}(k)$, based on the E/B-mode decomposition. The IA power spectra have non-vanishing amplitudes over the linear to non-linear scales, an

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33

Oramus, Piotr, Tomasz Chmielewski, Tomasz Kuczek, Wojciech Piasecki, and Marcin Szewczyk. "Transient recovery voltage analysis for various current breaking mathematical models: shunt reactor and capacitor bank de-energization study." Archives of Electrical Engineering 64, no. 3 (2015): 441–58. http://dx.doi.org/10.2478/aee-2015-0034.

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Abstract Electric arc is a complex phenomenon occurring during the current interruption process in the power system. Therefore performing digital simulations is often necessary to analyse transient conditions in power system during switching operations. This paper deals with the electric arc modelling and its implementation in simulation software for transient analyses during switching conditions in power system. Cassie, Cassie-Mayr as well as Schwarz-Avdonin equations describing the behaviour of the electric arc during the current interruption process have been implemented in EMTP-ATP simulat

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34

Weng, Su-Ming, Zheng-Ming Sheng, Hui Xu, and Jie Zhang. "Vlasov-Fokker-Planck Simulations for High-Power Laser-Plasma Interactions." Communications in Computational Physics 11, no. 4 (2012): 1236–60. http://dx.doi.org/10.4208/cicp.060710.040811s.

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AbstractA review is presented on our recent Vlasov-Fokker-Planck (VFP) simulation code development and applications for high-power laser-plasma interactions. Numerical schemes are described for solving the kinetic VFP equation with both electron-electron and electron-ion collisions in one-spatial and two-velocity (1D2V) coordinates. They are based on the positive and flux conservation method and the finite volume method, and these two methods can insure the particle number conservation. Our simulation code can deal with problems in high-power laser/beam-plasma interactions, where highly non-Ma

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35

Domagała, Mariusz, Hassan Momeni, Joanna Fabiś-Domagała, Grzegorz Filo, and Paweł Lempa. "Simulations of Safety Vales for Fluid Power Systems." System Safety: Human - Technical Facility - Environment 1, no. 1 (2019): 670–77. http://dx.doi.org/10.2478/czoto-2019-0085.

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AbstractHydraulic power systems are widely used in heavy machinery. Safety of such a systems have a major importance due to the fact that any failure may cause environmental contamination or serious injury. One of the component which protects hydraulic drive systems against excessive rising of working pressure is a safety valve which aim is to maintain pressure in the systems below acceptable level. Pressure control valves which plays important role in a hydraulic systems may have very simple or complex structure. Even in case of the simplest structure of such valve modeling is not an easy tas

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36

Mehandru, R., S. Kim, J. Kim, et al. "Thermal simulations of high power, bulk GaN rectifiers." Solid-State Electronics 47, no. 6 (2003): 1037–43. http://dx.doi.org/10.1016/s0038-1101(02)00481-1.

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37

Gilmer, G. H. "Materials processing: unleashing the power of computer simulations." Computational Materials Science 2, no. 1 (1994): 49–62. http://dx.doi.org/10.1016/0927-0256(94)90045-0.

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38

Cole, S. "Adding long-wavelength power to N-body simulations." Monthly Notices of the Royal Astronomical Society 286, no. 1 (1997): 38–47. http://dx.doi.org/10.1093/mnras/286.1.38.

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39

Neyrinck, Mark C., Andrew J. S. Hamilton, and Nickolay Y. Gnedin. "Understanding the PSCzgalaxy power spectrum withN-body simulations." Monthly Notices of the Royal Astronomical Society 348, no. 1 (2004): 1–11. http://dx.doi.org/10.1111/j.1365-2966.2004.07332.x.

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Ingólfsson, Helgi I., Cesar A. Lopez, Jaakko J. Uusitalo, et al. "The power of coarse graining in biomolecular simulations." Wiley Interdisciplinary Reviews: Computational Molecular Science 4, no. 3 (2013): 225–48. http://dx.doi.org/10.1002/wcms.1169.

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Oswald, B. R. "Generalized method for fault simulations in power systems." European Transactions on Electrical Power 10, no. 1 (2007): 59–62. http://dx.doi.org/10.1002/etep.4450100109.

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Wang, Jianguo, Dianhui Zhang, Chunliang Liu, et al. "UNIPICcode for simulations of high power microwave devices." Physics of Plasmas 16, no. 3 (2009): 033108. http://dx.doi.org/10.1063/1.3091931.

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Colombi, Stéphane, Andrew Jaffe, Dmitri Novikov, and Christophe Pichon. "Accurate estimators of power spectra inN-body simulations." Monthly Notices of the Royal Astronomical Society 393, no. 2 (2009): 511–26. http://dx.doi.org/10.1111/j.1365-2966.2008.14176.x.

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Bailey, J. J., A. S. Kadyrov, I. B. Abdurakhmanov, D. V. Fursa, and I. Bray. "Antiproton stopping power data for radiation therapy simulations." Physica Medica 32, no. 12 (2016): 1827–32. http://dx.doi.org/10.1016/j.ejmp.2016.09.021.

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45

Orych, Michal, Sofia Werner, and Lars Larsson. "Validation of full-scale delivered power CFD simulations." Ocean Engineering 238 (October 2021): 109654. http://dx.doi.org/10.1016/j.oceaneng.2021.109654.

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46

Högblom, Olle, and Ronnie Andersson. "Multiphysics CFD Simulation for Design and Analysis of Thermoelectric Power Generation." Energies 13, no. 17 (2020): 4344. http://dx.doi.org/10.3390/en13174344.

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The multiphysics simulation methodology presented in this paper permits extension of computational fluid dynamics (CFD) simulations to account for electric power generation and its effect on the energy transport, the Seebeck voltage, the electrical currents in thermoelectric systems. The energy transport through Fourier, Peltier, Thomson and Joule mechanisms as a function of temperature and electrical current, and the electrical connection between thermoelectric modules, is modeled using subgrid CFD models which make the approach computational efficient and generic. This also provides a soluti

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Cioncolini, Andrea, Mostafa R. A. Nabawy, Jorge Silva-Leon, Joseph O’Connor, and Alistair Revell. "An Experimental and Computational Study on Inverted Flag Dynamics for Simultaneous Wind–Solar Energy Harvesting." Fluids 4, no. 2 (2019): 87. http://dx.doi.org/10.3390/fluids4020087.

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This paper presents results from experiments and simplified numerical simulations on the flow-induced dynamics and power generation of inverted flags that combine flexible piezoelectric strips with photovoltaic cells to simultaneously harvest kinetic wind energy and solar radiant energy. Experiments were conducted in a wind tunnel under controlled wind excitation and light exposure, focusing in particular on the dynamics and power generation of the inverted flag harvester. Numerical simulations were carried out using a lattice-Boltzmann fluid solver coupled with a finite element structural sol

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48

Eleschová, Žaneta, Martin Jedinák, and Rastislav Šmidovič. "Analysis of Transients during the Power System Restoration." TRANSACTIONS ON ELECTRICAL ENGINEERING 7, no. 4 (2020): 73–78. http://dx.doi.org/10.14311/tee.2018.4.073.

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The paper presents simulation results of transients during the power system restoration. The Defence plan and Restoration plan development is a part of transmission system operator’s responsibilities and requires thorough calculations, simulations and publication of instructions. The plans focus on extensive failures that have a heavy impact on the system operation and could lead to a blackout. The Restoration plan of power system has to contain procedures for start-up without outside help. TSO regularly checks some part of the Restoration plan.

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Shub, Ifat, Ehud Schreiber, and Yossef Kliger. "Saving Significant Amount of Time in MD Simulations by Using an Implicit Solvent Model and Elevated Temperatures." ISRN Computational Biology 2013 (March 31, 2013): 1–5. http://dx.doi.org/10.1155/2013/640125.

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Molecular dynamic simulations are used for investigating various aspects of biological processes. Such simulations often require intensive computer power; therefore several solutions were developed to minimize the computer power needed, including the usage of elevated temperatures. Yet, such simulations are still not commonly used by the wide scientific community of chemists and biochemists. For about two years now, the molecular simulations suite GROMACS enables conducting simulations using implicit solvent models to further decrease runtimes. In order to quantify the saving in computer power

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Giblin, Benjamin, Matteo Cataneo, Ben Moews, and Catherine Heymans. "On the road to per cent accuracy – II. Calibration of the non-linear matter power spectrum for arbitrary cosmologies." Monthly Notices of the Royal Astronomical Society 490, no. 4 (2019): 4826–40. http://dx.doi.org/10.1093/mnras/stz2659.

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ABSTRACT We introduce an emulator approach to predict the non-linear matter power spectrum for broad classes of beyond-ΛCDM cosmologies, using only a suite of ΛCDM N-body simulations. By including a range of suitably modified initial conditions in the simulations, and rescaling the resulting emulator predictions with analytical ‘halo model reactions’, accurate non-linear matter power spectra for general extensions to the standard ΛCDM model can be calculated. We optimize the emulator design by substituting the simulation suite with non-linear predictions from the standard halofit tool. We revi

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