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Bibliografías temáticas / Heave motion

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Literatura académica sobre el tema "Heave motion"

Autor: Grafiati

Publicado: 10 de marzo de 2023

Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Heave motion"

1

Lian-zhou, Wang, Guo Chun-yu, Wan Lei, and Su Yu-min. "Numerical Analysis of Propeller During Heave Motion Near a Free Surface." Marine Technology Society Journal 51, no. 1 (2017): 40–51. http://dx.doi.org/10.4031/mtsj.51.1.5.

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AbstractThe interaction between the free surface and the propeller during heave motion near the free surface was analyzed numerically using the Reynolds-Averaged Navier-Stokes (RANS) method. The coupling effect between the rotation and heave motions of the propeller was modeled using a motion equation developed in this study; the heave motion was simplified as a periodic motion based on the sinusoidal motion law; and the transfer of numerical values for unsteady flow fields was implemented using overset grid technology. A comparative analysis of the unsteady thrust coefficient and torque coeff

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Tabeshpour, Mohammad Reza, and Reza Hedayatpour. "Analytical investigation of nonlinear heave-coupled response of tension leg platform." Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment 233, no. 3 (2018): 699–713. http://dx.doi.org/10.1177/1475090218776430.

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Having deep view in structural response of tension leg platform is important issue not only for response analysis but also for engineering design. Coupling between surge and heave motions of tension leg platform is such a problem. Here, tension leg platform motions are considered only in surge and heave degrees of freedom without pitch effect. The coupled term of heave is a nonlinear differential equation. Because the focus of this article is on this term, therefore, Duffing equation of motion in the surge direction is linearized. The wave forces are calculated using Airy’s wave theory and Mor

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3

Hu, Lifen, Ming Zhang, Zhi-Ming Yuan, Hongxia Zheng, and Wenbin Lv. "Predictive Control of a Heaving Compensation System Based on Machine Learning Prediction Algorithm." Journal of Marine Science and Engineering 11, no. 4 (2023): 821. http://dx.doi.org/10.3390/jmse11040821.

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Floating structures have become a major part of offshore structure communities as offshore engineering moves from shallow waters to deeper ones. Floating installation ships or platforms are widely used in these engineering operations. Unexpected wave-induced motions affect floating structures, especially in harsh sea conditions. Horizontal motions on the sea surface can be offset by a dynamic positioning system, and heave motions can be controlled by a heave compensation system. Active heave compensation (AHC) systems are applied to control vertical heave motions and improve safety and efficie

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4

Xu, Hongyuan, Wei Wang, and Yonghe Xie. "Study of the Hydrodynamic Characteristics of Anti-Heave Devices of Wind Turbine Platforms at Different Water Depths." Polish Maritime Research 31, no. 1 (2024): 35–42. http://dx.doi.org/10.2478/pomr-2024-0004.

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Abstract This paper focuses on the effect of water depth on the hydrodynamics of floating offshore wind turbines with open-hole anti-heave devices. The three-floating-body wind turbine platform is used as the primary research object in this paper. The effect of water depth on the reduction of the heave motion of a floating platform with anti-heave devices is systematically investigated through a series of experiments and numerical simulations. The results show high agreement between the test results and simulations, with larger values of heave motion in deep water. A wind turbine platform with

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FITRIADHY, AHMAD, and AMIRA ADAM. "CFD ANALYSIS ON VERTICAL MOTION OF A FULL-SCALE FLOATING JETTY." Journal of Sustainability Science and Management 15, no. 6 (2020): 100–110. http://dx.doi.org/10.46754/jssm.2020.08.009.

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A floating jetty often experiences several vertical motions i.e., heave and pitch motion responses due to harsh environmental condition. This inherently makes discomfort to everyone during berthing on a floating; and even it potentially leads to loss of life due to falling down into the sea. A preliminary analysis using Computational Fluid Dynamics (CFD) simulation is necessary to be conducted to ensure user’s safety. The CFD analysis focused on the interaction between wave motions and the floating jetty and its effects on the vertical motions. The vertical motions of floating jetty were quant

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ZIKRY, SYAFIQ, and FITRIADHY. "SEAKEEPING PERFORMANCE OF A HYDROFOIL IN WAVES USING CFD APPROACH." Universiti Malaysia Terengganu Journal of Undergraduate Research 3, no. 3 (2021): 167–76. http://dx.doi.org/10.46754/umtjur.v3i3.228.

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Hydrofoil usually experiences high resistance and excessive vertical motions (heave and pitch) that may affect the passenger’s comfort due to the harsh environmental condition. Therefore, it is necessary to investigate seakeeping performance of a hydrofoil ship in waves due to the presence of a complex hydrodynamic phenomenon. To achieve this objective, an analysis of Computational Fluid Dynamic (CFD) approach on a hydrofoil ship motion is proposed. Several parameters such as Froude Number and foil angle of attack have been taken into account. The results revealed that the subsequent increase

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7

Sow, C. L., Jaswar Koto, and Hassan Abyn. "Semi-Submersible Heave Response Study Using Diffraction Potential Theory with Viscous Damping Correction." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 5, no. 1 (2014): 23–29. https://doi.org/10.36842/jomase.v5i1.512.

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This paper discusses the numerical prediction of the semi-submersible’s heave motion. In the previous study, it is observed that the heave motion response predicted by diffraction potential theory is over-estimated in the region where the heave motion is dominated by damping. In this research, viscous damping is included in the calculation to increase the heave damping magnitude in motion equation. The wave force and added mass of semi-submersible is predicted by diffraction potential theory, only the total damping is corrected by sum-up the linear damping from diffraction potential theory wit

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Sun, Han-Bing, Shu-Qi Yang, Yang-Fan Xu, and Jia-Feng Xiao. "Prediction of the Pitch and Heave Motions in Regular Waves of the DTMB 5415 Ship Using CFD and MMG." Journal of Marine Science and Engineering 10, no. 10 (2022): 1358. http://dx.doi.org/10.3390/jmse10101358.

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According to the requirement of high-performance development of modern ships, it is necessary to quickly and accurately predict the maneuverability of ships under wave conditions. In this paper, based on the CFD (Computational Fluid Dynamics) method in the commercial software STAR-CCM+, the numerical simulation of roll decay motion, pure heel motion, pure heave motion, and pure pitch motion of ship model 5415 is carried out. The relevant hydrodynamic derivatives are obtained, and the results are in good agreement with the experimental values. The equations of motion related to the heave and pi

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Hou, Xianrui, and Xingyu Zhou. "Nonparametric Identification Model of Coupled Heave–Pitch Motion for Ships by Using the Measured Responses at Sea." Journal of Marine Science and Engineering 11, no. 3 (2023): 676. http://dx.doi.org/10.3390/jmse11030676.

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In order to simulate or control the coupled heave–pitch motion of ships in waves as realistically as possible, an appropriate mathematical model must be established in advance. In this paper, a nonparametric identification method, based on a combination of a random decrement technique (RDT) and support vector regression (SVR), was proposed to model the coupled heave–pitch motion of ships by only using the measured random responses at sea. First, a mathematical model was established to describe the coupled heave–pitch motion of ships in irregular waves. Second, the random decrement equation and

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Sclavounos, Paul D., and Henning Borgen. "Seakeeping Analysis of a High-Speed Monohull With a Motion-Control Bow Hydrofoil." Journal of Ship Research 48, no. 02 (2004): 77–117. http://dx.doi.org/10.5957/jsr.2004.48.2.77.

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The seakeeping performance is studied of a foil-assisted high-speed monohull vessel using a state-of-the-art three-dimensional Rankine panel method. The vessel is equipped with a bow hydrofoil acting as a passive heave and pitch motion-control device in waves. The formulation of the seakeeping of ships equipped with lifting appendages is developed, and the mechanisms responsible for the reduction of the heave and pitch motions of high- speed vessels equipped with hydrofoils are studied. The sensitivity of the heave and pitch motions on the longitudinal position of the hydrofoil is studied. It

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Tesis sobre el tema "Heave motion"

1

Auestad, Øyvind Fidje. "Heave Control System For A Surface Effect Ship : Disturbance Damping of Wave Induced Motion at Zero Vessel Speed." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for teknisk kybernetikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-16781.

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Šerlinskis, Gediminas. "Projektuojamo laivo hidrodinaminių savybių reguliariose bangose tyrimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130626_140102-49911.

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Darbe tiriamos galimybės vertinti laivo supimosi intensyvumą taikant klasikinės ir hidrodinaminės laivo supimosi skaičiavimo metodikas. Prognozavimo galimybių įvertinimui atliekamas laivo DTMB 5415 supimosi eksperimentas reguliariose bangose – matuojamas laivo bortinis, kilinis ir vertikalusis supimasis laivui stovint lagu bangoms ir esant išilginiam bangavimui. Pateikiama informacija apie supimosi eksperimento eigą, paruošimą, naudojamą laboratorinę įrangą ir bandymo rezultatų apdorojimą. Laivo supimosi skaičiavimai atliekami taikant hidrodinaminę skaičiojamosios skysčių dinamikos kompiuterin

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Bailey, Helen Louise. "Effect of a nonlinear power take off on a wave energy converter." Thesis, University of Edinburgh, 2011. http://hdl.handle.net/1842/5741.

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This thesis is titled The influence of a nonlinear Power Take Off on a Wave Energy Converter. It looks at the effect that having a nonlinear Power Take Off (PTO) has on an inertial referenced, slack moored, point absorber, Wave Energy Converter (WEC). The generic device studied utilizes relative heave motion between an axi-symmetric cylinder and an internal mass, for the PTO to operate between. The PTO is the part of the WEC that transforms the relative motion into electricity. In this work, three different types of nonlinear PTO and a linear PTO are presented, tested, analysed and compared. T

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4

Zhen, Yi. "Numerical Simulation of Dropped Cylindrical Objects into Water in Two Dimensions (2D)." ScholarWorks@UNO, 2018. https://scholarworks.uno.edu/td/2568.

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The dropped objects are identified as one of the top ten causes of fatalities and serious injuries in the oil and gas industry. It is of importance to understand dynamics of dropped objects under water in order to accurately predict the motion of dropped objects and protect the underwater structures and facilities from being damaged. In this thesis, we study nondimensionalization of dynamic equations of dropped cylindrical objects. Nondimensionalization helps to reduce the number of free parameters, identify the relative size of effects of parameters, and gain a deeper insight of the essential

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Dias, Thiago. "Análise da instabilidade paramétrica de risers retos via modelo de ordem reduzida baseado em modo não linear com função do tipo Bessel." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/3/3144/tde-21072016-110358/.

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Recentes descobertas de campos de petróleo e gás, a centenas de quilômetros da costa Sudeste do Brasil, em lâmina d\'água acima de 2.000m, demandam avanços científicos e tecnológicos para sua exploração segura. Entre os desafios para os engenheiros, a análise dinâmica de risers offshore é de extrema relevância devido à propensão à fadiga do material estrutural. Os movimentos de unidades flutuantes, que ocorrem devido às ondas de gravidade, impõem um tipo particular de carregamento dinâmico para os risers. Por uma questão de simplicidade, apenas o movimento de heave é considerado, embora pitch

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6

Oliveira, Rui. "Motion Planning for Heavy-Duty Vehicles." Licentiate thesis, KTH, Reglerteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-252537.

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Autonomous driving is a disrupting technology that is expected to reshape transportation systems. The benefits of autonomous vehicles include, but are not limited to, safer transportation, increased economic growth, and broader access to mobility services. Industry and academia are currently researching a variety of topics related to autonomous driving, however, the focus seems to be on passenger vehicles. As a consequence, heavy-duty vehicles, which are a significant share of transportation systems, are overlooked, and the challenges associated with these vehicles are neglected. This thesis s

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7

Ushijima, Tatsuo. "The motion of heavy particles in turbulent flows." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.625078.

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Oliveira, Rui. "Planning and Motion Control in Autonomous Heavy-Duty Vehicles." Thesis, KTH, Reglerteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-151022.

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Autonomous driving has been an important topic of research in recent years. In this thesis we study its application to Heavy Duty Vehicles, more specically, vehicles consisting of a truck and a trailer. An overview study is done on three fundamental steps of an autonomous driving system, planning, trajectory tracking and obstacle avoidance. In the planning part, we use RRT, and two other variants of the algorithm to nd trajectories in an unstructured environment, e.g., a mining site. A novel path optimization post-processing technique well suited for use with RRT solutions was also developed.

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9

Kwon, Hyun Jung. "Simulating ingress and egress motion for heavy earthmoving machines." Diss., University of Iowa, 2011. https://ir.uiowa.edu/etd/2734.

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Design of heavy earthmoving equipment is based primarily on feedback from drivers. Most design studies on ingress and egress focus on the motion itself and rely heavily on experimental data. This process requires physical construction of expensive (in terms of time and money) mockups before any feedback can be obtained. Post-feedback design changes and the analysis of those changes are again expensive processes. Although the design of heavy vehicles requires consideration of human safety and comfort, very little attention has been given to simulating ingress and egress movement for these vehic

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10

Evestedt, Niclas. "Sampling Based Motion Planning for Heavy Duty Autonomous Vehicles." Licentiate thesis, Linköpings universitet, Reglerteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-132769.

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The automotive industry is undergoing a revolution where the more traditional mechanical values are replaced by an ever increasing number of Advanced Driver Assistance Systems (ADAS) where advanced algorithms and software development are taking a bigger role. Increased safety, reduced emissions and the possibility of completely new business models are driving the development and most automotive companies have started projects that aim towards fully autonomous vehicles. For industrial applications that provide a closed environment, such as mining facilities, harbors, agriculture and airports, f

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Libros sobre el tema "Heave motion"

1

Downing, George C. Evaluation of vertical motion sensors for potential application to heave correction in Corps hydrographic surveys. US Army Corps of Engineers, Hydraulics Laboratory, 1987.

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Telste, John G. Calculation of two-dimensional nonlinear fluid flow resulting from large-amplitude forced heave motion of a u-shaped cylinder in a free surface. David W. Taylor Naval Ship Research and Devlopment Center, 1985.

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Nooijer, Menno de. artist, editor, Nooijer, Françoise de, artist, editor, Delpeut, Peter, author of introduction, Hutchison Michele translator, and Barends & Pijnappel (Firm), eds. Is heaven blue? Voetnoot, 2022.

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Johnson, Ben Patrick. Third & heaven. Alyson Books, 2005.

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Simoson, Andrew J. Hesiod's anvil: Falling and spinning through heaven and earth. Mathematical Association of America, 2007.

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1950-, Landau Diana, ed. Kingdom of heaven: The Ridley Scott film and the history behind the story. Pocket, 2005.

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Okuyama, Kazuyoshi. Eiga Purodyūsā, Okuyama Kazuyoshi no Tengoku to jigoku, Mokushiroku: Kazuyoshi Okuyama's Heaven & hell. Bungei Shunjū, 2019.

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Engineers, Society of Automotive, and SAE International Congress & Exposition (1997 : Detroit, Mich.), eds. Alternative fuels and heavy duty engines. Society of Automotive Engineers, 1997.

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Pablo de la Torriente Brau. "Para María, compañera--". Diputación Provincial de Córdoba, 2008.

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corrector, Sanmartino Amalia, Reloba Xenia editor, and Casaus Víctor 1944 editor, eds. Para María, compañera... Centro Cultural Pablo de la Torriente Brau, 2013.

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Capítulos de libros sobre el tema "Heave motion"

1

Albers, Peter. "Heave compensation." In Motion Control in Offshore and Dredging. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-8803-1_9.

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Katalinić, M., P. Matić, N. Assani, and J. Parunov. "Encounter spectra computation of heave motion based on full-scale measurements using ANN." In Advances in the Analysis and Design of Marine Structures. CRC Press, 2023. http://dx.doi.org/10.1201/9781003399759-10.

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Li, C., Y. Zhang, W. Zang, C. Feng, Y. Zheng, and E. Fernandez-Rodriguez. "Analysis on heave motion of floating tidal stream turbine using actuator line method." In Innovations in Renewable Energies Offshore. CRC Press, 2024. http://dx.doi.org/10.1201/9781003558859-11.

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Hashimoto, Takayuki, Teppei Omata, Takahide Honda, and Yukinobu Oda. "Study on Nonlinear Hydrodynamic Force on Vertical Motion of a Column Structure with a Heave Plate." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7409-2_73.

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Rahman, Shammi, Timothy Gordon, Leon Henderson, Yangyan Gao, Sonya Coleman, and Dermot Kerr. "Model-Free Automated Reversing of Articulated Heavy Goods Vehicles." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-70392-8_17.

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AbstractThis paper presents a technique for automated reversing control of articulated vehicles. Reversing articulated Heavy Goods Vehicles (HGVs) can be a challenging and time consuming task for a human driver, sometimes requiring multiple forward and backward motions to reduce errors. Here, the aim is to automate the task to provide high levels of precision using Artificial Flow Guidance (AFG). AFG uses simple geometry to define a spatially distributed motion reference, requiring only short-range error corrections and possessing global convergence properties. AFG has previously been applied

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Bohigas, Oriol, Marie-Joya Giannoni, and Charles Schmit. "Spectral Fluctuations and Chaotic Motion." In Heavy Ion Collisions. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-5015-6_6.

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Dolcemascolo, V., and Leif Sjögren. "Bridge weigh in motion." In International Conference on Heavy Vehicles HVParis 2008. John Wiley & Sons, Inc, 2013. http://dx.doi.org/10.1002/9781118623305.ch25.

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Žnidaric, Aleš. "Bridge Weigh-in-Motion." In International Conference on Heavy Vehicles HVParis 2008. John Wiley & Sons, Inc, 2013. http://dx.doi.org/10.1002/9781118623305.part4.

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Gajda, Janusz, Ryszard Sroka, Marek Stencel, and Tadeusz Zeglen. "Multi-sensor weigh-in-motion system." In International Conference on Heavy Vehicles HVParis 2008. John Wiley & Sons, Inc, 2013. http://dx.doi.org/10.1002/9781118623305.ch15.

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Jacob, Bernard, and Hans van Loo. "Weigh-in-motion for enforcement in Europe." In International Conference on Heavy Vehicles HVParis 2008. John Wiley & Sons, Inc, 2013. http://dx.doi.org/10.1002/9781118623305.ch1.

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Actas de conferencias sobre el tema "Heave motion"

1

Hanson, Curt, Saravanakumaar Ramia, and Kyle Barnes. "Urban Air Mobility Passenger Discomfort Evaluations of Sudden Heave Motion in a Virtual Reality Motion-Base Simulator." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-27.

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Small, highly maneuverable Urban Air Mobility (UAM) air taxis might exhibit motions during hover and low-speed flight that are unfamiliar to many passengers, and for which there are no established guidelines to predict passenger comfort. Researchers performed a study in the Armstrong Virtual Reality Passenger Ride Quality Laboratory to identify relationships between sudden motion characteristics and UAM passenger comfort and acceptance. Twenty-three volunteer test subjects from the Armstrong workforce each completed a 15-minute experience as a passenger in a virtual air taxi simulation. Subjec

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Zhu, Mingda, Peihua Han, Ronny Landsverk, Jan Christian Bjerke Strandene, Daniel Hagen, and Jing Zhou. "A Data-Driven Approach to Payload Heave Motion Prediction Under Irregular Waves." In 2024 IEEE 3rd Industrial Electronics Society Annual On-Line Conference (ONCON). IEEE, 2024. https://doi.org/10.1109/oncon62778.2024.10931669.

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Le Cunff, Ce´dric, Me´lanie Bonnissel, Julien Szydlowski, and Gilbert Damy. "Modeling of Heave Induced Lateral Motion." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79652.

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A simplified model is proposed to predict Heave Induced Lateral Motion (HILM) for Steel Catenary Risers (SCR), based on experimental measurements carried out at IFREMER Brest. Two campaigns were conducted to obtain data on the displacement of a SCR in the Touch-Down Zone (TDZ) induced by top motion. The first campaign was used to understand the response of the structure and develop the model. A second campaign was launched to obtain a wider range of data in terms of heave amplitude and frequency. This data were used to define the model parameters. The influence of heave lateral motion on riser

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Hadd, M. R. "Pitch and Heave and Heave Motion Identification Using Neural Network Techniques." In SNAME 24th American Towing Tank Conference. SNAME, 1995. http://dx.doi.org/10.5957/attc-1995-036.

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This paper outlines a procedure that can be used to identify the parameters in the coupled heave-pitch equations using the measured heave and pitch responses of a ship in a random sea. Equations for the mean values of heave and pitch motions are obtained using the concept of random decrement. In this paper we show how measured records of heave and pitch motions in random seas can be used to identify the parameters in the mean values equations of these motions. The technique described in the paper uses neural networks to identify these parameters. Preliminary results show that this approach is

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Xianliang, Ning, Zhao Jiawen, and Xu Jianan. "The heave motion estimation for active heave compensation system in offshore crane." In 2016 IEEE International Conference on Mechatronics and Automation. IEEE, 2016. http://dx.doi.org/10.1109/icma.2016.7558755.

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Liu, Liqin, Ying Guo, Weichen Jin, and Rui Yuan. "Motion Performances of a 5 MW VAWT Supported by Spar Floating Foundation With Heave Plates." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-62625.

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The VAWT (vertical axis wind turbine) has advantages in the development of large-scale offshore wind power. This paper presents a motion study of a 5 MW floating VAWT composed of the Φ type Darrieus wind turbine and a truss spar floating foundation with heave plates. The surge, heave and pitch motion equations considering the effects of retardation function of the floating VAWT were established and solved numerically. Several load cases were carried out to analyze the motion performances of the floating VAWT. The results show that the wind forces have minimal influence on the heave motions of

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Yan, Hongmei, Yuming Liu, and Yile Li. "Unstable Motion of a Floating Structure in Surface Waves." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49621.

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Unstable resonant heave and pitch motions of a floating deep draft platform, under the action of a regular wave with the frequency equal to the sum of the heave and pitch natural frequencies, can be developed by nonlinear instability (Liu, Yan & Yung 2010). The instability is associated with difference-frequency interactions between the body motion and the ambient wave. In this work, we study the effect of the nonlinear instability upon floating platforms with relatively shallow drafts whose wave damping at heave/pitch natural frequencies may not be small. Direct time-domain numerical simu

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Guo, Lixiang, Peng Wei, Zhiguo Zhang, Yue Sun, and Jiawei Yu. "Numerical Simulation of Surface Ship Motion in Regular Head Waves." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77327.

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The motion of surface ship in wave environments is fully three-dimensional unsteady motion and includes complex coupling with hydrodynamic force and dynamic motion of the rigid body. This paper presents simulations of the KCS model with motions involve pitch and heave in regular head waves. Computations were performed with an in-house viscous CFD code to solve RANS equation coupled with six degrees of freedom (6DOF) solid body motion equations and dynamic overset grids designed for ship hydrodynamics. RANS equations are solved by finite difference method and PISO arithmetic. Level-set method i

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Xu, Qi. "A New Semisubmersible Design for Improved Heave Motion, Vortex-Induced Motion and Quayside Stability." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49118.

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Recently the semisubmersible has become a favorable choice as a wet-tree floating platform supporting steel catenary risers (SCRs), mainly due to its capability of quayside topside integration and cost-effectiveness. However, it is still a challenge for a conventional semisubmersible to support SCRs, particularly large ones, in harsh environment and relatively shallow water due to its large heave motion. To answer this challenge, a new semisubmersible design has been developed at Technip as a wet-tree floater which achieves significantly improved heave motion and vortex-induced-motion (VIM) pe

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Guo, Peng, Jun Li, Tianxiong Chen, and Zhenxing Wu. "Heave Motion Estimation Based on Cubature Kalman Filter." In 2021 International Conference on Cyber-Physical Social Intelligence (ICCSI). IEEE, 2021. http://dx.doi.org/10.1109/iccsi53130.2021.9736261.

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Informes sobre el tema "Heave motion"

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Соловйов, В. М., В. В. Соловйова та Д. М. Чабаненко. Динаміка параметрів α-стійкого процесу Леві для розподілів прибутковостей фінансових часових рядів. ФО-П Ткачук О. В., 2014. http://dx.doi.org/10.31812/0564/1336.

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Modem market economy of any country cannot successfully behave without the existence of the effective financial market. In the conditions of growing financial market, it is necessary to use modern risk-management methods, which take non-gaussian distributions into consideration. It is known, that financial and economic time series return’s distributions demonstrate so-called «heavy tails», which interrupts the modeling o f these processes with classical statistical methods. One o f the models, that is able to describe processes with «heavy tails», are the а -stable Levi processes. They can sli

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Alwakiel, Heba. Leveraging Weigh-In-Motion (WIM) Data to Estimate Link-Based Heavy-Duty Vehicle Emissions. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.247.

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Laos, Hector. Closed-Form Solutions for the Equations of Motion of the Heavy Symmetrical Top with One Point Fixed. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1649228.

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Konijnenburg, Jan. Certification Approaches for Weigh-In-Motion Systems in Law Enforcement Applications. National Institute of Standards and Technology, 2024. http://dx.doi.org/10.6028/nist.sp.2200-05.

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Every day, overweight and excessively heavy vehicles cause damage to roads, bridges, and other vehicle-based infrastructure. To protect the vital transportation infrastructure for the U.S., states have imposed weight limits for commercial and fleet transport vehicles. A common way for enforcing these weight limits is to guide trucks off the road to weigh stations where the vehicles can be weighed using static truck scales. A disadvantage of these dedicated weigh stations is that they take up a substantial amount of space (which is not always available) and time to conduct weighments, as well a

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Minnich, Loren, Katrice Lippa, Tanvi Pandya, and James Willis. Certification approaches for weigh-in-motion systems in law enforcement applications. National Institute of Standards and Technology (U.S.), 2024. http://dx.doi.org/10.6028/nist.sp.2200-5.

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Every day, overweight and excessively heavy vehicles cause damage to roads, bridges, and other vehicle-based infrastructure. To protect this vital transportation infrastructure for the U.S., states have imposed weight limits for commercial and fleet transport vehicles. A common way for enforcing these weight limits is to guide trucks off the road to weigh stations where the vehicles can be weighed using static truck scales. A disadvantage of these dedicated weigh stations is that they take up a substantial amount of space (which is not always available) and time to conduct weighments, as well

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Heintschel, Cliff Lynn. Technical Area 60-0001 Heavy Equipment (motor pool) Shop Areas. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1237249.

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Heintschel, Cliff Lynn, and Holly Lynn Wheeler. Technical Area 60-0001 Heavy Equipment (Motor Pool) Shop Areas. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1241640.

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Chien, Stanley, Lauren Christopher, Yaobin Chen, Mei Qiu, and Wei Lin. Origin-Destination Vehicle Counts in Weaving Area Utilizing Existing Field Data. Purdue University, 2024. http://dx.doi.org/10.5703/1288284317719.

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Vehicle weaving describes the vehicle lane changes in areas between consecutive merge and diverge ramp junctions. During heavy traffic, vehicle weaving will slow down traffic, cause congestion, and increase the possibility of crashes. It is desirable to automatically capture the weaving information using camera videos in the weaving areas. The currently existing weaving area analysis is very tedious and labor-intensive. This report describes a novel system that uses the videos simultaneously captured at the entry and exit of the weaving area to find the number and percentage of vehicles from e

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Wieting, Celeste, Sara Rathburn, and John Kemper. Evaluation of gully erosion for archaeological preservation in Wupatki National Monument. National Park Service, 2024. http://dx.doi.org/10.36967/2302447.

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Wupatki National Monument contains an abundance of prehistoric and historic archaeological sites that are vulnerable to gully erosion from heavy sporadic rainstorms. Increased erosional risks are predicted as more extreme weather causes frequent or intense rainfall, flooding, and gullying. At Wupatki National Monument, gullies generally form on hillslopes within volcanic-derived cinders that are ubiquitous across the landscape and are unconsolidated, non-cohesive, highly mobile, and permeable. Lithological differences between volcanic cinders and underlying sedimentary rocks, and surface runof

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Moncada, Oscar, Zainab Imran, Connor Vickers, et al. Full-Scale Dynamic Wireless Power Transfer and Pilot Project Implementation. Purdue University, 2024. http://dx.doi.org/10.5703/1288284317744.

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Considering the challenges hindering the widespread adoption of electric vehicles (EVs) and heavy-duty electric vehicles(HDEVs), the integration of dynamic wireless power transfer (DWPT) technology into roadways has gained interest. By embedding DWPT components into pavement, electrical power can be delivered to an EV or HDEV as they are in motion. Yet, large-scale implementation depends on further in-depth research, both to explore optimal construction methods and to understand the impact of embedment on the pavement’s resultant behavior. The objective of this project was trifold: (1) design

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