Suchergebnisse - Computational Fluid Dynamics
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The sub 2-h official marathon is possible: Developing a drafting strategy for a historic breakthrough in sports (Der offizielle Marathonlauf unter 2 Stunden ist möglich: Entwicklung einer Windschattenstrategie für einen historischen Durchbruch im Sport)
Fernandes, G. D., Gandur, N. L., Santos, D., Maldonado, V.Veröffentlicht in Sports Medicine - Open (2025)“… Results In this study, the drag of a realistic model of a male runner is calculated by computational fluid dynamics for a range of velocities. …”
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Propulsive and braking contribution of the lower limbs, trunk, and upper limbs during underwater undulatory swimming calculated from vortices distribution: A simulation study (Der Beitrag der unteren Gliedmaßen, des Rumpfes und der oberen Gliedmaßen zum Vortrieb und zum Bremsen während des Unterwasserschwimmens in Wellenform, berechnet anhand der Wirbelverteilung: Eine Simulationsstudie)
Tanaka, T., Hashizume, S., Kurihara, T., Isaka, T.Veröffentlicht in Journal of Biomechanics (2025)“… Vortex generation was obtained using computational fluid dynamics, and the fluid force of six vortices was determined from the vortex circulation, swimmers' segment velocity, and length. …”
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Simulating vortex generation to investigate the propulsive and braking mechanisms of breaststroke kick using computational fluid dynamics on a breaststroke swimmer (Simulation der Wirbelerzeugung zur Untersuchung der Antriebs- und Bremsmechanismen des Brustschwimmens mit Hilfe der numerischen Strömungsmechanik an einem Brustschwimmer)
Tanaka, T., Hayashi, T., Isaka, T.Veröffentlicht in Journal of Biomechanics (2024)“… This study aimed to reveal the propulsive and braking mechanisms of breaststroke kicks by simulating vortex generation using computational fluid dynamics (CFD). Kinematic data during the breaststroke kick and a three-dimensional digital model were collected to conduct CFD for a male breaststroke swimmer. …”
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Wearable pressure sensors for swimming thrust analysis: a validation study (Tragbare Drucksensoren für die Analyse der Schubkraft beim Schwimmen: eine Validierungsstudie)
Coloretti, V., Russo, G., Fantozzi, S., Cortesi, M.Veröffentlicht in 28th Annual Congress of the European College of Sport Science, 4-7 July 2023, Paris, France (2023)“… To assess thrust force, indirect techniques (video-based analysis or computational fluid dynamic) are more time-consuming than direct ones (tethered swimming with load cell or pressure sensors system). …”
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Drafting of two passive swimmer scale models for open-water races (Entwurf von zwei maßstabsgetreuen Modellen für passive Schwimmer im Freiwasserrennen)
Bolon, B., Pretot, C., Clanet, C., Larrarte, F., Carmigniani, R.Veröffentlicht in Physical Review Fluids (2023)“… The interaction is quantified for a large range of relative positions and for three speeds corresponding to cruising, average, and sprint swimming. The associated computational fluid dynamics study using OpenFoam allows us to determine the relative positions that optimize the drafting during an open-water race: just behind a lead swimmer or at the level of the hip of a neighbor, with reductions of drag of 40% and 30%, respectively. …”
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Against negative splitting: the case for alternative pacing strategies for elite marathon athletes in official events (Gegen negatives Splitting: Argumente für alternative Tempostrategien für Elite-Marathonläufer bei offiziellen Veranstaltungen)
Fernandes, G. D., Maldonado, V.Veröffentlicht in arXiv e-print repository (2023)“… Methods We evaluated the performance of an elite marathon runner from an energetic standpoint, including drag values obtained through Computational Fluid Dynamics (CFD). In varying simulations for different pacing strategies, the energy for both the main runner and his pacer were conserved and the total race time was calculated. …”
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Validity and reliability of the wireless pressure sensor for aquatic activities and its ecological usefulness for swimming propulsion analysis (Validität und Reliabilität des drahtlosen Drucksensors für Aktivitäten im Wasser und dessen ökologische Nützlichkeit für die Analyse des Schwimmantriebs)
Coloretti, V., Russo, G., Fantozzi, S., Cortesi, M.Veröffentlicht in XIVth International Symposium on Biomechanics and Medicine in Swimming Proceedings (2023)“… The latter methods extrapolate Ft directly, such as tethered-swimming or pressure sensors, while the former includes computational fluid dynamics, inverse dynamic estimation and Ft estimation from the swimmer`s active drag (Da)(Santos et al., 2021; Takagi et al., 2021). …”
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Aerodynamic interaction between in-line runners: new insights on the drafting strategy in running (Aerodynamische Interaktion zwischen Läufern, die auf einer Linie laufen: neue Erkenntnisse über die Strategie des Windschattens beim Laufen)
Beaumont, F., Legrand, F., Bogard, F., Murer, S., Vernede, V., Polidori, G.Veröffentlicht in Sports Biomechanics (2021)“… This study aims at modelling the aerodynamic interaction between a world-class runner and several pacers running in line, the objective being to determine the best drafting position in terms of potential speed gain and running time. Computational Fluid Dynamics calculations were performed to determine the aerodynamic drag forces exerted on the runners. …”
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Impact of kinematic modification in the underwater undulatory swimming performance of a swimmer (Auswirkung kinematischer Veränderungen auf die wellenförmige Schwimmleistung eines Schwimmers unter Wasser)
Audot, D. A. G., Hudson, D. A., Warner, M., Banks, J.Veröffentlicht in ISBS Proceedings Archive (Michigan) (2023)“… The kinematics (10 in total) were inputted in an unsteady 2D Computational Fluid Dynamics (CFD) solver, Lily Pad. …”
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Computational fluid dynamics simulation for humans swimming (Computergestützte Strömungssimulation für Schwimmer)
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Computational fluid dynamics - Transfer into the practice (Computergestützte Strömungsdynamik - Transfer in die Praxis)
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Aerodynamic effects and performance improvements of running in drafting formations (Aerodynamische Effekte und Leistungsverbesserung beim Laufen in einer Windschattenformation)
Schickhofer, L., Hanson, H.Veröffentlicht in Journal of Biomechanics (2021)“… In this study, the aerodynamics of a realistic model of a female runner is calculated by computational fluid dynamics (CFD) simulations at four running speeds of 15 km h-1, 18 km h-1, 21 km h-1, and 36 km h-1. …”
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A body force model to assess the impact of a swimmer`s arm on propelled swimming resistance (Ein Körperkraftmodell zur Bewertung des Einflusses des Arms eines Schwimmers auf den Widerstand beim Schwimmen)
Banks, J., Phillips, A. B., Hudson, D. A., Turnock, S. R.Veröffentlicht in Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology (2021)“… The dynamic forces acting on a swimmer`s body are notoriously difficult to measure experimentally, thus motivating many researchers to use computational fluid dynamics to assess the propulsion and resistance forces. …”
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Are runners more prone to become infected with COVID-19? An approach from the raindrop collisional model (Sind Läufer anfälliger für eine Infektion mit COVID-19? Ein Ansatz aus dem Regentropfen-Kollisionsmodell)
Arias , F. J.Veröffentlicht in Journal of Science in Sport and Exercise (2021)“… Utilizing the raindrop collisional model and with the help of computational fluid dynamics (CFD), it is shown that the probability of collision with respiratory droplets is not always increasing with the approaching velocity of the runner but rather there is a maximum velocity threshold at which the efficiency of collision drops. …”
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How does aerodynamics influence physiological responses in middle-distance running drafting? (Wie beeinflusst die Aerodynamik die physiologischen Reaktionen beim Windschattenlauf über die Mittelstrecken?)
Beaumont, F., Bogard, F., Murer, S., Polidori, G., Madaci, F., Taiar, R.Veröffentlicht in Mathematical Modelling of Engineering Problems (2019)“… A simulation model based on Computational Fluid Dynamics (CFD) methods are used to analyze aerodynamic effects while physiological parameters are experimentally recorded using a lightweight ambulatory respiratory gas exchange system (Cosmed K5©). …”
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Unsteady Computational Fluid Dynamics of the axial flow generated by the rotation of an arm in swimming (Unbeständige numerische Strömungsdynamik der axialen Strömung, die durch die Drehung eines Arms beim Schwimmen erzeugt wird)
Samson, M., Monnet, T., Lacouture, P., David, L.Veröffentlicht in XIII th International Symposium on Biomechanics and Medicine in Swimming Proceedings (2018)“… Computational Fluid Dynamics …”
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Coordination dynamics of upper limbs in swimming: Effects of speed and fluid flow manipulation (Koordinationsdynamik der oberen Extremitäten beim Schwimmen: Auswirkungen von Geschwindigkeits- und Strömungsmanipulation)
Guignard, B., Rouard, A., Chollet, D., Bonifazi, M., Dalla Vedova , D., Hart, J., Seifert, L.Veröffentlicht in Research Quarterly for Exercise and Sport (2020)“… Purpose: Motor outputs are governed by dynamics organized around stable states and spontaneous transitions: we seek to investigate the swimmers` motor behavior flexibility as a function of speed and aquatic environment manipulations. …”
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Studying the effects of asymmetry on freestyle swimming using smoothed particle hydrodynamics (Untersuchung der Einflüsse der Asymmetrie auf das Freistilschwimmen unter Verwendung der Hydrodynamik geglätteter Partikel)
Cohen, R. C. Z., Cleary, P. W., Mason, B. R., Pease, D. L.Veröffentlicht in Computer Methods in Biomechanics and Biomedical Engineering (2020)“… Computational Fluid Dynamics …”
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A systematic review of propulsion from the flutter kick - What can we learn from the dolphin kick (Ein systematischer Überblick über den Vortrieb aus dem Flatterkick - Was können wir aus dem Delfinkick lernen?)
Andersen, J. T., Sanders, R. H.Veröffentlicht in Journal of Sports Sciences (2018)“… Visualisation and simulation techniques, such as particle image velocimetry (PIV) and computational fluid dynamics (CFD), are non-invasive tools that can effectively model water flow without impacting swimming technique. …”
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Analysing the aerodynamics of the fastest ever marathon (Analyse der Aerodynamik des schnellsten jemals gelaufenen Marathons)
Veröffentlicht in The Engineer (2017)“… In order to determine just how much influence "aerodynamic trickery" had in getting Kipchoge within 26 seconds of the mythical 2 hour barrier, we decided to run a series of computational fluid dynamics using STAR-CCM+, which is part of Siemens` Simcenter portfolio of simulation tools. …”