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Journal articles on the topic 'Simulation validée'

Author: Grafiati

Published: 1 June 2024

Last updated: 31 July 2025

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1

Secretan, Y., M. Leclerc, S. Duchesne, and M. Heniche. "Une méthodologie de modélisation numérique de terrain pour la simulation hydrodynamique bidimensionnelle." Revue des sciences de l'eau 14, no. 2 (2005): 187–212. http://dx.doi.org/10.7202/705417ar.

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L'article pose la problématique de la construction du Modèle Numérique de Terrain (MNT) dans le contexte d'études hydrauliques à deux dimensions, ici reliées aux inondations. La difficulté est liée à l'hétérogénéité des ensembles de données qui diffèrent en précision, en couverture spatiale, en répartition et en densité, ainsi qu'en géoréférentiation, notamment. Dans le cadre d'un exercice de modélisation hydrodynamique, toute la région à l'étude doit être documentée et l'information portée sur un support homogène. L'article propose une stratégie efficace supportée par un outil informatique, l

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Mueller, Patrick, Matthias Lehmann, and Alexander Braun. "Simulating tests to test simulation." Electronic Imaging 2020, no. 16 (2020): 149–1. http://dx.doi.org/10.2352/issn.2470-1173.2020.16.avm-148.

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Simulation is an established tool to develop and validate camera systems. The goal of autonomous driving is pushing simulation into a more important and fundamental role for safety, validation and coverage of billions of miles. Realistic camera models are moving more and more into focus, as simulations need to be more then photo-realistic, they need to be physical-realistic, representing the actual camera system onboard the self-driving vehicle in all relevant physical aspects – and this is not only true for cameras, but also for radar and lidar. But when the camera simulations are becoming mo

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BIAŁASZ, Sebastian, and Ramon PAMIES. "NUMERICAL SIMULATION OF THE DESIGN OF EXTRUSION PROCESS OF POLYMERIC MINI-TUBES." Applied Computer Science 14, no. 3 (2018): 81–95. http://dx.doi.org/10.35784/acs-2018-23.

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In this paper we represent a study reporting the numerical simulation of small-diameter pipes extrusion process. Polypropylene and low density polyethylene were chosen as plastics and a selected transverse head as a tool in the simulations. The aim of the study is to examine the distribution of temperature in the individual sections of the bagasse and tools, in order to optimize the parameters and process flow extrusion and validate the implementation tools, by simulating the flow of plastic by the head.

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Youngman, Benjamin D., and David B. Stephenson. "A geostatistical extreme-value framework for fast simulation of natural hazard events." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2189 (2016): 20150855. http://dx.doi.org/10.1098/rspa.2015.0855.

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We develop a statistical framework for simulating natural hazard events that combines extreme value theory and geostatistics. Robust generalized additive model forms represent generalized Pareto marginal distribution parameters while a Student’s t -process captures spatial dependence and gives a continuous-space framework for natural hazard event simulations. Efficiency of the simulation method allows many years of data (typically over 10 000) to be obtained at relatively little computational cost. This makes the model viable for forming the hazard module of a catastrophe model. We illustrate

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Jones, Jenny. "Researchers Validate Alternative Seismic Simulation Method." Civil Engineering Magazine Archive 83, no. 9 (2013): 38–39. http://dx.doi.org/10.1061/ciegag.0000656.

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Tamura, Tomoyuki, Ryota Odagaki, Yusuke Kishita, et al. "A Method for Simulating an Information System with Life Cycle Simulation." International Journal of Automation Technology 18, no. 6 (2024): 774–85. http://dx.doi.org/10.20965/ijat.2024.p0774.

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Given the rapid growth of digital technologies, the use of information systems (ISs) is increasingly important for businesses positioned within the circular economy (CE). When designing an IS for such businesses, it is essential to simulate how the IS affects the life cycle (LC). However, existing research has not yet addressed this issue. For example, life cycle simulation (LCS) mods an LC and evaluates the economic profit and environmental impact of a product across its entire LC but does not explicitly model the IS and the effect from IS on LC is not simulated clearly. In this study, we pro

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Cavargna, Augusto, Luigi Mongibello, Marcello Iasiello, and Nicola Bianco. "Analysis of a Phase Change Material-Based Condenser of a Low-Scale Refrigeration System." Energies 16, no. 9 (2023): 3798. http://dx.doi.org/10.3390/en16093798.

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This study concerns the numerical simulation and the experimental implementation of a low-scale Phase Change Material-based (PCM-based) condenser, to be included in a PCM-based portable cooling systems. In this category of cooling systems, the PCM can be integrated either in the condenser or in the evaporator. In the present study, the PCM is integrated in the condenser of the vapor compression cycle to absorb the heat power released from the refrigerant fluid (R134a) during condensation, thus eliminating the need to transfer heat to the external environment. The main objective of the present

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Wang, Yachao, Xuan Wu, Xianhe Fan, et al. "Calibration and validation of DEM parameters of food waste with high total solid content (≥20%) using physical experiments and EDEM simulations." Journal of Physics: Conference Series 2771, no. 1 (2024): 012005. http://dx.doi.org/10.1088/1742-6596/2771/1/012005.

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Abstract Since discrete element method (DEM) parameters are important for the calculation accuracy of EDEM simulations, the DEM parameters of food waste with high total solid content (≥20%) are calibrated and validated by experiments and simulations in this paper. The physical properties of food waste are obtained by physical experiments, and then the optimal values of DEM model parameters recommended for food waste can be obtained from the GEMM database. Finally, the repose angle and the average torque obtained by EDEM simulations are compared with the experimental results to validate the cal

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Sheng, Chunyang, Kenichi Nomura, Pankaj Rajak, Aiichiro Nakano, Rajiv K. Kalia, and Priya Vashishta. "Quantum Molecular Dynamics Validation of Nanocarbon Synthesis by High-Temperature Oxidation of Nanoparticles." MRS Advances 1, no. 24 (2016): 1811–16. http://dx.doi.org/10.1557/adv.2016.413.

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ABSTRACTThis study uses ab initio quantum molecular dynamics (QMD) simulations to validate multimillion-atom reactive molecular dynamics (RMD) simulations, and predicts unexpected condensation of carbon atoms during high-temperature oxidation of silicon-carbide nanoparticles (nSiC). For the validation process, a small nSiC in oxygen environment is chosen to perform QMD simulation. The QMD results provide the number of Si-O and C-O bonds as a function of time. RMD simulation is then performed under the identical condition. The time evolutions of different bonds are compared between the QMD and

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Al Karimi, Muh Bahrul Ulum, Bambang Haryadi, Bagus Hario Setiadji, and Anno Mahfuda. "PTV Vissim Calibration and Validation of Median Opening U-Turn." Rekayasa Sipil 19, no. 2 (2025): 257–65. https://doi.org/10.21776/ub.rekayasasipil.2025.019.02.15.

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Traffic conditions at a median opening are more complex than signalized or unsignalized intersections. Driving behaviors and the driver's ability to maneuver a U-turn can affect median opening performance. Using software such as PTV Vissim, simulations can be carried out to help analyze traffic conditions and make necessary decisions. This study aims to simulate the median opening u-turn using PTV Vissim to resemble actual traffic conditions and validate it statistically. The calibration involves adjusting traffic volume, headway distribution, speed distribution, driving behaviors, conflict ar

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Nemes, Dániel, and Sándor Hajdu. "Simulation of BLDC Motor Drive Systems for Electric Vehicles Using Matlab Simulink." International Journal of Engineering and Management Sciences 8, no. 1 (2023): 48–52. http://dx.doi.org/10.21791/ijems.2023.1.6.

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The defining scientific developments of our time would not have been possible without the use of simulations. The aim of the research is to create a simulation of a BLDC motor. When creating a simulation, great emphasis must be placed on defining the purpose of the simulation. This basically determines the structure and complexity of the model. The model discussed here was created so that an optimization task could be defined more precisely by inserting it as a sub-model into a vehicle dynamics model. Scalability was another aspect, that is, to be able to increase the accuracy of the model wit

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Durst, Phillip J., Derek T. Anderson, and Cindy L. Bethel. "A historical review of the development of verification and validation theories for simulation models." International Journal of Modeling, Simulation, and Scientific Computing 08, no. 02 (2017): 1730001. http://dx.doi.org/10.1142/s1793962317300011.

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Modeling and simulation (M&S) play a critical role in both engineering and basic research processes. Computer-based models have existed since the 1950s, and those early models have given way to the more complex computational and physics-based simulations used today. As such, a great deal of research has been done to establish what level of trust should be given to simulation outputs and how to verify and validate the models used in these simulations. This paper presents an overview of the theoretical work done to date defining formal definitions for, and methods of, verification and valida

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Fan, Pengfei, Fei Ding, Xichun Luo, Yongda Yan, Yanquan Geng, and Yuzhang Wang. "A Simulated Investigation of Ductile Response of GaAs in Single-Point Diamond Turning and Experimental Validation." Nanomanufacturing and Metrology 3, no. 4 (2020): 239–50. http://dx.doi.org/10.1007/s41871-020-00080-5.

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AbstractIn this paper, molecular dynamic (MD) simulation was adopted to study the ductile response of single-crystal GaAs during single-point diamond turning (SPDT). The variations of cutting temperature, coordination number, and cutting forces were revealed through MD simulations. SPDT experiment was also carried out to qualitatively validate MD simulation model from the aspects of normal cutting force. The simulation results show that the fundamental reason for ductile response of GaAs during SPDT is phase transition from a perfect zinc blende structure (GaAs-I) to a rock-salt structure (GaA

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Bindle, Liam, Randall V. Martin, Matthew J. Cooper, et al. "Grid-stretching capability for the GEOS-Chem 13.0.0 atmospheric chemistry model." Geoscientific Model Development 14, no. 10 (2021): 5977–97. http://dx.doi.org/10.5194/gmd-14-5977-2021.

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Abstract. Modeling atmospheric chemistry at fine resolution globally is computationally expensive; the capability to focus on specific geographic regions using a multiscale grid is desirable. Here, we develop, validate, and demonstrate stretched grids in the GEOS-Chem atmospheric chemistry model in its high-performance implementation (GCHP). These multiscale grids are specified at runtime by four parameters that offer users nimble control of the region that is refined and the resolution of the refinement. We validate the stretched-grid simulation versus global cubed-sphere simulations. We demo

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Behera, Abhinna K., Emmanuel D. Rivière, Sergey M. Khaykin, et al. "On the cross-tropopause transport of water by tropical convective overshoots: a mesoscale modelling study constrained by in situ observations during the TRO-Pico field campaign in Brazil." Atmospheric Chemistry and Physics 22, no. 2 (2022): 881–901. http://dx.doi.org/10.5194/acp-22-881-2022.

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Abstract. Deep convection overshooting the lowermost stratosphere is well known for its role in the local stratospheric water vapour (WV) budget. While it is seldom the case, local enhancement of WV associated with stratospheric overshoots is often published. Nevertheless, one debatable topic persists regarding the global impact of this event with respect to the temperature-driven dehydration of air parcels entering the stratosphere. As a first step, it is critical to quantify their role at a cloud-resolving scale before assessing their impact on a large scale in a climate model. It would lead

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Li, Wanwan. "Fast Fluid Thermodynamics Simulation by Solving Heat Diffusion Equation." International Journal of Computer Graphics & Animation 11, no. 04 (2021): 1–11. http://dx.doi.org/10.5121/ijcga.2021.11401.

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In mechanical engineering educations, simulating fluid thermodynamics is rather helpful for students to understand the fluid’s natural behaviors. However, rendering both high-quality and realtime simulations for fluid dynamics are rather challenging tasks due to their intensive computations. So, in order to speed up the simulations, we have taken advantage of GPU acceleration techniques to simulate interactive fluid thermodynamics in real-time. In this paper, we present an elegant, basic, but practical OpenGL/SL framework for fluid simulation with a heat map rendering. By solving Navier-Stokes

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17

Jones, P. N., and P. S. Carberry. "A technique to develop and validate simulation models." Agricultural Systems 46, no. 4 (1994): 427–42. http://dx.doi.org/10.1016/0308-521x(94)90105-o.

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Pandey, Santosh, Amir Yazdanbakhsh, and Hang Liu. "TAO: Re-Thinking DL-based Microarchitecture Simulation." ACM SIGMETRICS Performance Evaluation Review 52, no. 1 (2024): 23–24. http://dx.doi.org/10.1145/3673660.3655085.

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Microarchitecture simulators are indispensable tools for microarchitecture designers to validate, estimate, and optimize new hardware that meets specific design requirements. While the quest for a fast, accurate and detailed microarchitecture simulation has been ongoing for decades, existing simulators excel and fall short at different aspects: (i) Although execution-driven simulation is accurate and detailed, it is extremely slow and requires expert-level experience to design. (ii) Trace-driven simulation reuses the execution traces in pursuit of fast simulation but faces accuracy concerns an

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19

Joßberger, Simon, Christa Stadler, Ulf Barkmann, Nicholas Kaufmann, and Stefan Riedelbauch. "Interaction between two horizontal axis tidal turbines in model scale – experiment and simulation." International Marine Energy Journal 5, no. 2 (2022): 173–82. http://dx.doi.org/10.36688/imej.5.173-182.

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Up to 6 Schottel Instream Turbines (SIT250) can be mounted on the tidal platform PLAT-I developed by Sustainable Marine Energy. Due to the close proximity of the turbines interactions can occur between them. Two horizontal axis tidal turbines in model scale are investigated experimentally and numerically to analyze these interactions. Experimental data were measured in a towing tank and consist of integral values for torque, thrust and rotational speed. Both a steady state and an unsteady three-dimensional Reynolds Averaged Navier Stokes (RANS) approach are utilized for simulating the turbine

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20

Kitis, George, and Vasilis Pagonis. "On the Need for Deconvolution Analysis of Experimental and Simulated Thermoluminescence Glow Curves." Materials 16, no. 2 (2023): 871. http://dx.doi.org/10.3390/ma16020871.

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Simulation studies of thermoluminescence (TL) and other stimulated luminescence phenomena are a rapidly growing area of research. The presence of competition effects between luminescence pathways leads to the complex nature of luminescence signals, and therefore, it is necessary to investigate and validate the various methods of signal analysis by using simulations. The present study shows that in simulations of luminescence signals originating from multilevel phenomenological models, it is not possible to extract mathematically the individual information for each peak in the signal. It is fur

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21

Shan, Jinjun, and Piotr Wenderski. "Hardware-in-the-Loop Simulation for Spacecraft Formation Flying." Journal of Control Science and Engineering 2010 (2010): 1–13. http://dx.doi.org/10.1155/2010/572526.

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This paper presents a hardware-in-the-loop (HITL) simulation approach for multiple spacecraft formation flying. Considering a leader-follower formation flying configuration, a Fuzzy Logic controller is developed first to maintain the desired formation shape under external perturbations and the initial position offsets. Cold-gas on/off thrusters are developed to be introduced to the simulation loop, and the HITL simulations are conducted to validate the effectiveness of the proposed simulation configuration and Fuzzy Logic control.

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Zhang, Wen Jing, Bao Qin Wang, Xu Fang, Xu Yang Zhou, and Wei Chao Sha. "Research on Symbol Synchronization Algorithm of LTE System." Applied Mechanics and Materials 347-350 (August 2013): 2164–67. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.2164.

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This paper designs and realizes algorithm of symbol synchronization for LTE system. In order to validate the feasibility of symbol timing synchronization algorithm, a series of simulations are performed with LTE channel models and the simulation results are analyzed carefully. Simulation shows that this algorithm has a great advantage of system implementation. It can be found the symbol start position within the shortest time.

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Zadravec, Matej, Blaž Orešnik, Matjaž Hriberšek, and Jure Marn. "Two-step validation process of particle mixing in a centrifugal mixer with vertical axis." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 232, no. 1 (2016): 29–37. http://dx.doi.org/10.1177/0954408916678267.

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Two-step approach of validation is proposed to validate a numerical model, capable of accurate prediction of mixing power characteristics of a centrifugal mixer with vertical axis. Two sets of experiments and two sets of numerical simulations are presented—the first set to determine physical characteristics of the particles comparing the numerical simulations results with experimental data, and the second set to validate predicted behavior of anchor type vertical axis impeller for mixing of same particles. Zeolite particles were used for actual calculations. After determining shear modulus, co

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Chiou, Rong Nan, and Chia-Nian Shyi. "Adaptive Maximums of Random Variables for Network Simulations." Journal of Computer Systems, Networks, and Communications 2009 (2009): 1–6. http://dx.doi.org/10.1155/2009/383720.

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In order to enhance the precision of network simulations, the paper proposes an approach to adaptively decide the maximum of random variables that create the discrete probabilities to generate nodal traffic on simulated networks. In this paper, a statistical model is first suggested to manifest the bound of statistical errors. Then, according to the minimum probability that generates nodal traffic, a formula is proposed to decide the maximum. In the formula, a precision parameter is used to present the degree of simulative accuracy. Meanwhile, the maximum adaptively varies with the traffic dis

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Ghate, Aditya S., and Sanjiva K. Lele. "Subfilter-scale enrichment of planetary boundary layer large eddy simulation using discrete Fourier–Gabor modes." Journal of Fluid Mechanics 819 (April 27, 2017): 494–539. http://dx.doi.org/10.1017/jfm.2017.187.

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A new multiscale simulation methodology is introduced to facilitate computationally efficient simulations of high Reynolds number turbulence seen in wall-bounded flows. The scale splitting methodology uses traditional large eddy simulation (LES) with a wall model to simulate the larger scales which are subsequently enriched using a space–time compatible kinematic simulation. Computational feasibility and robustness of the methodology are investigated using two idealized problems that emulate turbulence within the planetary boundary layer (PBL), and a finite Reynolds number channel flow problem

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Rodríguez-Ocampo, Paola Elizabeth, Michael Ring, Jassiel Vladimir Hernández-Fontes, Juan Carlos Alcérreca-Huerta, Edgar Mendoza, and Rodolfo Silva. "CFD Simulations of Multiphase Flows: Interaction of Miscible Liquids with Different Temperatures." Water 12, no. 9 (2020): 2581. http://dx.doi.org/10.3390/w12092581.

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The incorporation of new equations to extend the applicability of open-source computational fluid dynamics (CFD) software according to the user’s needs must be complemented with code verification and validation with a representative case. This paper presents the development and validation of an OpenFOAM®-based solver suitable for simulating multiphase fluid flow considering three fluid phases with different densities and temperatures, i.e., two miscible liquids and air. A benchmark “dam-break” experiment was performed to validate the solver. Ten thermistors measured temperature variations in d

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Lino, Rafael Luis Bressani, Suelen Alves Oliveira, Kellyn Patrícia Da Silva, and Regimar Carla Machado. "Validação de checklist para avaliação da capacitação com simulação clínica do atendimento ao paciente séptico." Enfermería Global 18, no. 4 (2019): 159–97. http://dx.doi.org/10.6018/eglobal.18.4.341171.

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Aims: Development and validation of the contents of a checklist to evaluate the qualification of health professionals in septic patient care with clinical simulation.Method: instrument validation study, with two-stage structural design: instrument construction and validation of the checklist contents using the Delphi technique in two rounds.Results: The content validation was composed of ten items and forty-three sub-items analyzed by the evaluators. Through the Content Validity Index, four items with strong validation evidence were identified, Content Validity Index ≥ 0.8. We restructured the

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Sang, Zhongqing, Shaojie Li, Yuanyuan Huang, Xin Gao, and Rui Qiao. "Indirect Matrix Converter Hardware-in-the-Loop Semi-Physical Simulation Based on Latency-Free Decoupling." Electronics 12, no. 23 (2023): 4802. http://dx.doi.org/10.3390/electronics12234802.

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In the process of hardware-in-the-loop simulations (HILs) of indirect matrix converters (IMCs), solving the mathematical models of complex multiswitching converter topologies has become a major problem. The conventional approach is to split the complex mathematical model into multiple serial subsystems; however, this inevitably produces delays in the simulation steps between different subsystems, leading to numerical oscillations. In this paper, the method of latency-free decoupling is adopted, which has no time-step delay between different subsystems, making each subsystem a parallel operatio

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Lin, James C., and Robert L. Graney. "Combining Computer Simulation with Physical Simulation: An Attempt to Validate Turf Runoff Models." Weed Technology 6, no. 3 (1992): 688–95. http://dx.doi.org/10.1017/s0890037x0003606x.

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Predicting the off-target movement of agrochemicals applied to turf is an essential component for assessing risk to aquatic environments. For surface transport, a fully validated model does not exist. Such a model is required to make cost effective risk assessments and regulatory evaluations. To address this deficiency, a turf model validation program is outlined in this paper. The effect of turf characteristics on the fate and movement of pesticides is presented followed by the discussion of the selection for a proper turf runoff model. The design and implementation of small plot runoff studi

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Malaspinas, Orestis, and Pierre Sagaut. "Consistent subgrid scale modelling for lattice Boltzmann methods." Journal of Fluid Mechanics 700 (April 30, 2012): 514–42. http://dx.doi.org/10.1017/jfm.2012.155.

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AbstractThe lattice Boltzmann method has become a widely used tool for the numerical simulation of fluid flows and in particular of turbulent flows. In this frame the inclusion of subgrid scale closures is of crucial importance and is not completely understood from the theoretical point of view. Here, we propose a consistent way of introducing subgrid closures in the BGK Boltzmann equation for large eddy simulations of turbulent flows. Based on the Hermite expansion of the velocity distribution function, we construct a hierarchy of subgrid scale terms, which are similar to those obtained for t

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Sato, Kenta, and Shunichi Koshimura. "A LATTICE BOLTZMANN APPROACH FOR THREE-DIMENSIONAL TSUNAMI SIMULATION BASED ON THE PLIC-VOF METHOD." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 90. http://dx.doi.org/10.9753/icce.v36.papers.90.

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Free surface flow problems occur in numerous disaster simulations, such as tsunamis inland penetration in urban area. Simulation models for these problems have to be non-hydrostatic and three-dimensional because of the strong non-linearity and higher-order physical phenomena. Despite all the progress in the modern computational fluid dynamics, such simulations still present formidable challenges both from numerical and computational cost point of view. The lattice Boltzmann method (LBM) has been attracting attention as an alternative fluid simulation tool to overcome the problems. In current s

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Cartaxo, Cristian Jonas Mendonça, Leticia de Souza Medeiros, Paulo Henrique Fernandes dos Santos, and Fernanda Leticia Frates Cauduro. "Cenário de simulação para rastreio de diabetes mellitus." Revista Recien - Revista Científica de Enfermagem 14, no. 42 (2024): 629–44. https://doi.org/10.24276/rrecien2024.14.42.629644.

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O rastreamento de diabetes mellitus na atenção primária é essencial para a prevenção e o tratamento precoce da doença. Este estudo teve como objetivo construir e validar um cenário de simulação realística para o rastreio de diabetes mellitus na atenção primária à saúde. Trata-se de um estudo metodológico, realizado em uma universidade pública do Distrito Federal entre junho de 2023 e junho de 2024. O cenário foi elaborado com base no modelo de Jeffries e nos padrões da International Nursing Association for Clinical Simulation and Learning. Após a construção do cenário, realizou-se um teste-pil

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Pandey, Santosh, Amir Yazdanbakhsh, and Hang Liu. "TAO: Re-Thinking DL-based Microarchitecture Simulation." Proceedings of the ACM on Measurement and Analysis of Computing Systems 8, no. 2 (2024): 1–25. http://dx.doi.org/10.1145/3656012.

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Microarchitecture simulators are indispensable tools for microarchitecture designers to validate, estimate, optimize, and manufacture new hardware that meets specific design requirements. While the quest for a fast, accurate and detailed microarchitecture simulation has been ongoing for decades, existing simulators excel and fall short at different aspects: (i) Although execution-driven simulation is accurate and detailed, it is extremely slow and requires expert-level experience to design. (ii) Trace-driven simulation reuses the execution traces in pursuit of fast simulation but faces accurac

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Zheng, Xing, Gu Chang Wang, He Yang, and Hong Xiang Liu. "Design and Implementation of UAV 3D Visual Simulation Training System." Applied Mechanics and Materials 336-338 (July 2013): 1361–65. http://dx.doi.org/10.4028/www.scientific.net/amm.336-338.1361.

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UAV visual simulation training system is a vital part of the UAV simulation training system. It is made up of simulation models for UAV and airborne platform mathematical, UAV visual and ground-station control system. It prevents a realistic virtual environment for UAV operator by simulating UAV flight control law and the actual flight environments. In order to train operational level, test weapons and validate tactical thinking economically and efficiently. This paper prevented the function, architecture, hardware deployment, running conditions and realization of real simulation module.

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Hosser, D., O. Riese, and R. Dobbernack. "Fire tests to validate fire simulation codes: experimental results." Kerntechnik 72, no. 3 (2007): 102–9. http://dx.doi.org/10.3139/124.100325.

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Klein-Heßling, W., and O. Riese. "Fire tests to validate fire simulation codes: numerical results." Kerntechnik 72, no. 3 (2007): 110–19. http://dx.doi.org/10.3139/124.100326.

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Hora, Joana, and Pedro Campos. "A review of performance criteria to validate simulation models." Expert Systems 32, no. 5 (2015): 578–95. http://dx.doi.org/10.1111/exsy.12111.

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Martens, J., F. Put, and E. Kerre. "A Fuzzy-neural Resemblance Approach to Validate Simulation Models." Soft Computing 11, no. 3 (2006): 299–307. http://dx.doi.org/10.1007/s00500-006-0071-9.

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Martens, Jurgen, Ferdi Put, and Etienne Kerre. "A fuzzy set theoretic approach to validate simulation models." ACM Transactions on Modeling and Computer Simulation 16, no. 4 (2006): 375–98. http://dx.doi.org/10.1145/1176249.1176253.

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Okyere, Samuel, Joseph Ackora-Prah, Saleem Abdullah, et al. "Analysis of Turberculosis-COVID-19 Coinfection Using Fractional Derivatives." International Journal of Mathematics and Mathematical Sciences 2023 (April 24, 2023): 1–14. http://dx.doi.org/10.1155/2023/2831846.

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Fractional-order derivative modeling continues to receive great interest among researchers across the globe. In this study, Tuberculosis-COVID-19 coinfection is studied using Atangana–Baleanu fractional-order derivatives defined in Caputo sense. We confirmed the existence and singularity of the solution and investigated the model’s equilibrium points. Additionally, we examined the model’s stability in terms of the Ulam–Hyers and generalized Ulam–Hyers stability criteria. The basic reproduction number R 0 was calculated using the next-generation matrix approach. We also looked into the model’s

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Müller, Armin, Ekaterina Kovacheva, Marc Alexander Fritz, Olaf Dössel, and Axel Loewe. "Validating a Numerical Simulation of Human Heart Motion Using Clinical Data." Current Directions in Biomedical Engineering 6, no. 3 (2020): 547–50. http://dx.doi.org/10.1515/cdbme-2020-3140.

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AbstractNumerical simulations are increasingly often involved in developing new and improving existing medical therapies. While the models involved in those simulations are designed to resemble a specific phenomenon realistically, the results of the interplay of those models are often not sufficiently validated. We created a plugin for a cardiac simulation framework to validate the simulation results using clinical MRI data. The MRI data were used to create a static wholeheart mesh as well as slices from the left ventricular short axis, providing the motion over time. The static heart was a st

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Smietanska, Joanna, Tomasz Kozik, Radoslaw Strzalka, Ireneusz Buganski, and Janusz Wolny. "Molecular Dynamics Investigation of Phenolic Oxidative Coupling Protein Hyp-1 Derived from Hypericum perforatum." Crystals 11, no. 1 (2021): 43. http://dx.doi.org/10.3390/cryst11010043.

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Molecular dynamics (MD) simulations provide a physics-based approach to understanding protein structure and dynamics. Here, we used this intriguing tool to validate the experimental structural model of Hyp-1, a pathogenesis-related class 10 (PR-10) protein from the medicinal herb Hypericum perforatum, with potential application in various pharmaceutical therapies. A nanosecond MD simulation using the all-atom optimized potentials for liquid simulations (OPLS–AA) force field was performed to reveal that experimental atomic displacement parameters (ADPs) underestimate their values calculated fro

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Erdik, Atıl, Vahdet Ucar, and Namik Kilic. "Finite Element and Experimental Analyses of an Armoured Vehicle Subjected to Landmine Blast." Defence Science Journal 65, no. 6 (2015): 477. http://dx.doi.org/10.14429/dsj.65.8594.

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Landmines severely threaten the armoured vehicles. The principal objective is to present a methodology for blast simulations of vehicles subjected to landmine explosions. First, free field blast experiment of 2 kg TNT charge in a steel pot is carried out to validate the blast parameters used in the numerical simulation. Overpressure-time history collected in the free field blast experiment is compared to the numerical simulation results. Numerical simulations are performed in LS-DYNA hydrocode that employs Arbitrary Lagrangian Eulerian formulation enabling a fully coupled interaction between t

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Khan, Muhammad A. A., and Anwar K. Sheikh. "Virtual Casting: State of the Art in Metal Casting Simulation Tools." Journal of Engineering Research [TJER] 15, no. 2 (2018): 142. http://dx.doi.org/10.24200/tjer.vol15iss2pp142-154.

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The demands on the productivity and robustness of metal casting processes for high quality components are continuously increasing. Moreover, the financial considerations necessitate meticulous and reliable planning of the entire casting process before it is actually put into practice. A holistic approach to perform cradle to grave analysis of cast products is simulation-based metal casting. This method allows engineers to model, verify, and validate the process followed by its optimization and performance prediction in virtual reality. This paper provides insights on state of the art in simula

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Khan, Muhammad A. A., and Anwar K. Sheikh. "Virtual Casting: State of the Art in Metal Casting Simulation Tools." Journal of Engineering Research [TJER] 15, no. 2 (2018): 42. http://dx.doi.org/10.24200/tjer.vol15iss2pp42-54.

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The demands on the productivity and robustness of metal casting processes for high quality components are continuously increasing. Moreover, the financial considerations necessitate meticulous and reliable planning of the entire casting process before it is actually put into practice. A holistic approach to perform cradle to grave analysis of cast products is simulation-based metal casting. This method allows engineers to model, verify, and validate the process followed by its optimization and performance prediction in virtual reality. This paper provides insights on state of the art in simula

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Els, P. L., and N. E. Engelbrecht. "On Calculating Diffusion Coefficients Numerically in Synthetic Turbulence Using Particle Pushers." Astrophysical Journal 969, no. 1 (2024): 51. http://dx.doi.org/10.3847/1538-4357/ad479c.

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Abstract Numerical simulations of test particle transport in the presence of synthetic turbulence with known properties still provide the most reliable estimations of the diffusion coefficients of charged particles in turbulent space plasmas available. The development and implementation of such simulations, however, are far from straightforward. The present study provides a comprehensive treatment of the development and testing of such a simulation code, detailing the simulation of synthetic turbulence and diffusion coefficients, as well as various numerical tests to validate code output. Furt

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Tomtas, Paweł, Amadeusz Skwiot, Elżbieta Sobiecka, Andrzej Obraniak, Katarzyna Ławińska, and Tomasz P. Olejnik. "Bench Tests and CFD Simulations of Liquid–Gas Phase Separation Modeling with Simultaneous Liquid Transport and Mechanical Foam Destruction." Energies 14, no. 6 (2021): 1740. http://dx.doi.org/10.3390/en14061740.

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This paper presents simulation and bench test results for a special type of centrifugal pump that enables the transport of dispersive foaming liquids and simultaneous separation of the liquid phase. During the design phase, CFD (Computer Fluid Dynamics) simulations were performed using Ansys Fluent. The simulations covered changing the operating parameters of the pump (mass/volume flow rate), pressure analysis for the first impeller, and structural optimization of the pump components. In the second stage of the research, the pump and a measuring station were constructed to validate the results

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Santos, Alexandre Assis Rezende, Leomar Santos Marques, Marcus Vinicius Ferreira de Moura, and Ricardo Rodrigues Magalhães. "Stress-strain analysis of the tow hook of a commercial truck by numerical simulations." Acta Scientiarum. Technology 44 (July 28, 2022): e60577. http://dx.doi.org/10.4025/actascitechnol.v44i1.60577.

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Numerical simulations have been widely used in the industry, although with some limitations. One of these limitations is the fact that the thermal effects derived from component manufacturing processes are normally disregarded in the analysis. Thus, the main goal of this study is to evaluate strains near the weld beads of a geometric model for a truck tow hook using numerical simulations by finite element method, considering thermal loads applied before the field loading. To validate the simulation results, an experiment was performed using a tow hook found in a commercial truck. Strain gauge

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Kosey, Vimit V., Prof Harish N. Sayankar, and Dr Vinod S. Gorantiwar. "Ballistic Impact Analysis of Thin Shell and Curved Surface against Different Projectile Nose Shape." International Journal for Research in Applied Science and Engineering Technology 11, no. 3 (2023): 1287–96. http://dx.doi.org/10.22214/ijraset.2023.49636.

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Abstract: Numerical simulations are increasingly becomingan important tool to obtain efficient designs of protectivestructures, and the existing literature shows that manyphenomena can be accurately described by standard methodsand models. This thesis, specifically, focuses on novelmethods of modeling and simulating ballistic impact.Experiments are needed to validate such simulations, so numerous tests were studied to investigate how projectile nose-shape, plate layering, target strength, ductility, and workhardening affect the penetration and perforation behavior of various structural configu

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Doubrawa, P., A. Rybchuk, J. Friedrich, et al. "Validation of new and existing methods for time-domain simulations of turbulence and loads." Journal of Physics: Conference Series 2767, no. 5 (2024): 052057. http://dx.doi.org/10.1088/1742-6596/2767/5/052057.

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Abstract We seek to obtain a second-by-second match between the simulated and measured structural loads of a utility-scale wind turbine. To obtain the one-to-one load simulations, we start with the furthest upstream component of the modeling chain: the turbulent inflow. We consider new and existing methods to generate constrained-turbulence flow fields. The new method is based on large-eddy simulations (LES) and machine learning (ML). The existing methods include Kaimal-based TurbSim and the superstatistical wind field model. The inflow measurements used to constrain these simulations are obta

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