Relevant bibliographies by topics / Oscillating behavior

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Oscillating behavior'

Author: Grafiati
Published: 2 June 2025
Last updated: 19 July 2025

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Journal articles on the topic "Oscillating behavior"

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Li, Xiuchen, Jie Li, Zhaohui Zheng, Jinni Deng, Yi Pan, and Xiaobin Ding. "A self-oscillating gel system with complex dynamic behavior based on a time delay between the oscillations." Soft Matter 18, no. 3 (2022): 482–86. http://dx.doi.org/10.1039/d1sm01635k.

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A series of self-oscillating gels with different cross-linking densities are designed and fabricated. Due to the time delay between chemical and mechanical oscillation, they exhibit different oscillating behaviors. The disrupted mechanical oscillations tend to be regular and periodic under inhibited conditions.
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Rana, Zibaei, Sadegh Zakerhamidi Mohammad, Korram Sirous, and Ranjkesh Amid. "Effects of polarized light on the optical and self-oscillation behaviors of liquid crystal network polymers." Journal of Materials Chemistry C 9, no. 41 (2021): 14908–15. https://doi.org/10.1039/D1TC03870B.

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The phenomenon of self-oscillation is abundant in nature, which often occurs in response to various environmental stimuli. The most common stimuli for these processes are heat and light. Oscillations based on bending are one type of self-oscillating phenomenon. In this study, oscillations frequency and amplitude of liquid crystalline polymer network (LCN) structures with light are investigated. Due to the anisotropy of LCN, which originates from a specific orientation in the LCN surfaces, all studies are performed with polarized light to accurately determine the effect of different orientation
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Klimov, Alexandr V., and Akop V. Antonyan. "Research of features of oscillating process’ behavior in the nonlinear system of individual traction drive of an electrobus." Izvestiya MGTU MAMI 17, no. 1 (2023): 87–96. http://dx.doi.org/10.17816/2074-0530-115233.

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BACKGROUND: When a vehicle is in motion, self-oscillations which properties are dependent on slip rate in a contact patch may occur in the area of tire interaction with ground surface. Oscillations frequency will vary in dependence with value of wheel slip relative to ground surface. Soft self-oscillations are excited by variable set of initial conditions at full slip in traction and driven wheel rolling modes as well as in mixed braking mode with partial slip. Hard mode of self-oscillations occurs at full wheel slip in braking mode. These processes have a negative impact on the processes in e
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Shi, Laishun, Jian Gao, and Jingjing Chen. "Modeling study for oscillatory reaction of chlorite – iodide – ethyl acetoacetate." Canadian Journal of Chemistry 92, no. 5 (2014): 417–25. http://dx.doi.org/10.1139/cjc-2014-0072.

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Chlorine dioxide based chemical oscillating behavior was modeled by a simple scheme consisting of three component reactions. Furthermore, little is known about the influence of the pH value. In this study, four component reactions were used to model the chlorite – iodide – ethyl acetoacetate oscillating reaction by dynamic analysis software. The oscillatory phenomenon is observed for concentration changes of triiodide ion, chlorite ion, and hydrogen ion. The initial concentration of ethyl acetoacetate, chlorite ion, iodide ion, and hydrogen ion has great influence on oscillations. The amplitud
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Scavuzzo, Rudolph J. "Oscillating Stress on Viscoelastic Behavior of Thermoplastic Polymers." Journal of Pressure Vessel Technology 122, no. 3 (2000): 386–89. http://dx.doi.org/10.1115/1.556197.

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Polymers are used in many applications where they are subjected to cyclic stresses. PVC and HDPE piping are often used in systems that include rotating machinery that cause mechanical vibration. Recent testing of thermoplastics indicates that there may be a large effect on the viscoelastic strains of thermoplastics from oscillating stresses. Cyclic loading on the permanent set of cross-linked elastomers has been studied. Perhaps, as expected, the effect of the oscillating behavior is measurable. Two types of tests have been conducted. First, tensile tests on HDPE standard specimens were conduc
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LI, QIAN SHU, and RUI ZHU. "MESOSCOPIC DESCRIPTION OF CHEMICAL SUPERCRITICAL HOPF BIFURCATION." International Journal of Bifurcation and Chaos 14, no. 07 (2004): 2393–97. http://dx.doi.org/10.1142/s0218127404010643.

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The mesoscopic dynamic behavior of the Oregonator model of the Belousov–Zhabotinsky chemical reaction is investigated as the model system experiences a supercritical Hopf bifurcation from focus to limit cycle oscillation. The study is performed by stochastically simulating the corresponding chemical master equation. Comparing the mesoscopic dynamic results with those obtained by the macroscopic dynamics, we find in the mesoscopic description a new type of oscillating state, in which large-amplitude oscillations and small-amplitude oscillations appear randomly alternately. This new state comes
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De la Sen, M. "Oscillatory Behavior in Linear Difference Equations under Unmodeled Dynamics and Parametrical Errors." Mathematical Problems in Engineering 2007 (2007): 1–18. http://dx.doi.org/10.1155/2007/25692.

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This paper investigates the presence of oscillating solutions in time-varying difference equations even in the case when there exist parametrical errors (i.e., errors in the sequences defining their coefficients) and/or unmodeled dynamics, namely, the current order is unknown and greater than the nominal known order. The formulation is related to the concepts of conjugacy, disconjugacy, positivity, and generalized zeros and general conditions of oscillation are obtained both over particular intervals and for the whole solution. Some results concerned with the presence of stable oscillations ar
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Lizunov, Petro, and Valentyn Nedin. "Transmission shafts vibrations in transient rotating modes." Strength of Materials and Theory of Structures, no. 110 (June 26, 2023): 229–37. http://dx.doi.org/10.32347/2410-2547.2023.110.229-237.

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The paper presents the investigation results of the transmission shaft dynamic behavior in transient modes of motion with change of the rotational speeds. Such modes occur during the transmission shaft transmits torque from engine to executive device. This process can be accompanied by vibration with change of frequency and amplitude of shaft oscillation. Therefore, the question of studying the dynamic behavior of such systems with identifying the impact of rotational speeds changing on them is relevant. In this regard, the study was done by developed software, in which a technique of computer
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Juang, Jyh-Ching. "Stability and Motion Patterns of Two Interactive Oscillating Agents." Information 15, no. 7 (2024): 388. http://dx.doi.org/10.3390/info15070388.

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This paper investigates the stability and motion of two interactive oscillating agents. Multiple agents can be controlled in a centralized and/or distributed manner to form specific patterns in cooperative tracking, pursuit, and evasion games, as well as environmental exploration. This paper studies the behavior of two oscillating agents due to their interaction. It shows that, through a combination of selecting oscillation centers and interaction gain, a variety of motions, including limit-cycles and stationary behavior, can be realized.
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Blasone, M., F. Giacosa, L. Smaldone, and G. Torrieri. "Flavor neutrinos as unstable particles: an interaction picture view." Journal of Physics: Conference Series 2883, no. 1 (2024): 012012. http://dx.doi.org/10.1088/1742-6596/2883/1/012012.

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Abstract This paper reviews the similarities in the behavior of unstable particles and oscillating neutrinos using perturbation theory within the interaction picture of quantum field theory. We begin by examining how decaying systems are studied in the interaction picture and then demonstrate how similar calculations can be performed to determine the transition probabilities for flavor oscillations. Notably, the expressions for neutrino oscillations and particle decays are identical in the short-time range. Furthermore, we show that the flavor oscillation formula derived through this method ma
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Dissertations / Theses on the topic "Oscillating behavior"

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Schumann, Michael. "Nonlinear dynamics in oscillating waterfalls." PDXScholar, 1992. https://pdxscholar.library.pdx.edu/open_access_etds/4421.

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Sharma, Arvindh R. "Liquid Jet in Oscillating Crossflow: Characterization of Near-Field and Far-Field Spray Behavior." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1439281517.

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Samarbakhsh, Sina. "Investigation of the Lock-in behavior of an eccentrically rotating cylinder in regard to turbomachinery application." Thesis, KTH, Kraft- och värmeteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-154358.

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Interaction of fluctuating vortex shedding with blade vibration can lead to a new class of aeromechanical instability referred as Non-synchronous vibrations. Investigating a well-known case that shows similar NSV features such as a circular cylinder can develop the understanding of physics behind NSV. A common approach to further investigating the vortex induced vibration is to control the motion of the cylinder and allowing the response of the wake to the motion to be studied in isolation. It has been found very important to carefully match the experimental conditions between free and control
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Yusuf, Solieman Osama. "CAD-CAM ceramic veneers : tooth preparation status, accuracy of Intra Oral Scanner and mechanical behavior." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTT044/document.

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Au cours des vingt dernières années, les facettes céramiques sont devenues une solution esthétique très répandue en raison de leur conception de préparation peu invasive, de leurs propriétés biocompatibles, de leur similitude avec la couleur naturelle des dents, ainsi que de leur translucidité et de leur résistance mécanique aux forces occlusales et à l’usure [1]. La définition des facettes dentaires est celle de « coquilles » très minces, faites sur mesure de matériaux de la couleur de la dent, conçues pour recouvrir la face avant ou la face supérieure des dents afin d' en améliorer l'esthéti
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Chen, Danjue. "Studies of traffic oscillations: a behavioral perspective." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/48975.

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Traffic oscillations, or simply stop-and-go waves, are a common phenomenon arising in congested traffic but still not well understood. This phenomenon causes broad adverse impacts to safety risk, fuel efficiency and greenhouse emission. To eliminate or reduce those impacts, understanding the cause and propagation mechanism is essential. This dissertation studied driving behavior in traffic oscillations with the objective to uncover the formation and propagation mechanism of traffic oscillations. This study establishes a behavioral car-following model, the Asymmetric Behavioral model, based on
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Iachello, Marco. "Nonlinear oscillations in high power systems." Doctoral thesis, Università di Catania, 2015. http://hdl.handle.net/10761/3913.

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The main topic of this work is to investigate on nonlinear phenomena affecting high power systems and on the strategies adopted to model them. In the first chapter the attention is focused on two big areas of high power systems: power electronics and systems/devices used to sustain plasma fusion. Although it is common that System Engineers tend to associate high power systems with power electronics, it is worth noting that power systems related to nuclear fusion represent a challenging area rich in nonlinearities. Specifically, while nonlinear oscillations in power electronics are due to oscil
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Moioli, Renan Cipriano. "Neuronal oscillations, information dynamics, and behaviour : an evolutionary robotics study." Thesis, University of Sussex, 2013. http://sro.sussex.ac.uk/id/eprint/45995/.

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Oscillatory neural activity is closely related to cognition and behaviour, with synchronisation mechanisms playing a key role in the integration and functional organization of different cortical areas. Nevertheless, its informational content and relationship with behaviour - and hence cognition - are still to be fully understood. This thesis is concerned with better understanding the role of neuronal oscillations and information dynamics towards the generation of embodied cognitive behaviours and with investigating the efficacy of such systems as practical robot controllers. To this end, we de
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Kolomiyets, Yuriy V. "Asymptotic Behavior of Randomly Perturbed Dynamical Systems." Kent State University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=kent1164124028.

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Dong, Yan. "Performance and Oscillation Behavior of PBI-Phosphoric Acid based Higher-Temperature Vapor Feed Direct Methanol Fuel Cells." Digital WPI, 2015. https://digitalcommons.wpi.edu/etd-theses/505.

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Operation of a Direct Methanol Fuel Cell (DMFC) at high temperature with vapor feed can avoid many of the issues of conventional low temperatures DMFC, such as crossover, low efficiency and high catalyst loading. Here we investigate the behavior of a PBI-phosphoric acid membrane based DMFC. This project has two goals. The first goal is to investigate the effect of temperature and methanol concentration on the performance of Direct Methanol Fuel Cell (DMFC). The second goal is to investigate the effect of temperature and methanol on its oscillatory behavior under constant current or constant vo
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Feingold, Joseph. "Beta oscillations in frontal cortex and striatum represent post-processing of successful behavior." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/68453.

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Thesis (Ph. D.)--Harvard-MIT Division of Health Sciences and Technology, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Beta band (13-30 Hz) oscillations in sensorimotor cortex are associated with motor performance, but the nature of this relationship is not clear. Recently, excessive beta activity in cortico-basal ganglia circuits has been recognized as a hallmark of Parkinson's disease. Renewed interest in beta oscillations has since led to the suggestion that they might reflect the preservation of the current output or state of a given brain region
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Books on the topic "Oscillating behavior"

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Anishchenko, V. S. Dynamical chaos in physical systems: Experimental investigation of self-oscillating circuits. BSB B.G. Teubner Verlagsgesellschaft, 1989.

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Pacault, A. Rythmes et formes en chimie: Histoire des structures dissipatives. Presses Universitaires de France, 1997.

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J, Field Richard, and Györgyi László, eds. Chaos in chemistry and biochemistry. World Scientific, 1993.

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Ahier, David James. Oscillating behaviour of a 7.5% circular arc airfoil. Dept. of Aerospace Science and Engineering, 1987.

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McRuer, Duane T. Pilot-induced oscillations and human dynamic behavior. Dryden Flight Research Center, 1995.

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McRuer, D. T. Pilot-induced oscillations and human dynamic behavior. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Program, 1995.

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Yu, Pogromsky A., ed. Introduction to control of oscillations and chaos. World Scientific, 1998.

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I, Neĭmark I͡U. Stokhasticheskie i khaoticheskie kolebanii͡a. "Nauka," Glav. red. fiziko-matematicheskoĭ lit-ry, 1988.

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I, Neĭmark I͡U. Stochastic and chaotic oscillations. Kluwer Academic Publishers, 1992.

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Seminar on Oscillation, Bifurcation, and Chaos (1986 University of Toronto). Oscillation, bifurcation, and chaos: Proceedings of the 1986 annual seminar held July 13-25, 1986. Edited by Atkinson F. V, Langford W. F, Mingarelli Angelo B. 1952-, Canadian Mathematical Society, and Natural Sciences and Engineering Research Council Canada. Published by the American Mathematical Society for the Canadian Mathematical Society, 1987.

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Book chapters on the topic "Oscillating behavior"

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Inoue, Katsumi, and Chiaki Sakama. "Oscillating Behavior of Logic Programs." In Correct Reasoning. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30743-0_23.

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Perez, H. A., J. C. Villagomez, T. Cordova, M. Sosa, and J. J. Bernal. "Cell Behavior Undergoing Random Segments of Oscillating Magnetic Field." In IFMBE Proceedings. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-29305-4_171.

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Plikynas, D., and S. Raudys. "Towards Nonlocal Field-Like Social Interactions: Oscillating Agent Based Conceptual and Simulation Framework." In Agent-Based Simulation of Organizational Behavior. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-18153-0_12.

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Zhou, Q., and N. S. Cheng. "Particle Settling Behavior in Turbulent Flow Generated by Oscillating Grid." In New Trends in Fluid Mechanics Research. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-75995-9_36.

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Flores Galicia, Fátima, Flor Guadalupe Haro Velázquez, Gerardo Rangel Paredes, David Porta Zepeda, Carlos Echeverría Arjonilla, and Catalina Stern Forgach. "Dynamic Behavior of a Drop on a Vertically Oscillating Surface." In Selected Topics of Computational and Experimental Fluid Mechanics. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-11487-3_39.

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Shiraishi, M., K. Seo, N. Nakamura, and M. Murakami. "Oscillating Flow Behavior in a Pulse Tube Refrigerator under Optimized Conditions." In Advances in Cryogenic Engineering. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4757-9047-4_254.

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Abro, Kashif Ali, Ambreen Siyal, and Abdon Atangana. "Behavior of Slip Effects on Oscillating Flows of Fractional Second-Grade Fluid." In Handbook of Fractional Calculus for Engineering and Science. Chapman and Hall/CRC, 2022. http://dx.doi.org/10.1201/9781003263517-9.

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Braier, Zdeněk, Pavel Šidlof, Martin Pustka, and Pavel Fišer. "Measurement, Evaluation and Comparison of Behavior of Linear SGT Motor with Oscillating Mass." In Advances in Mechanism Design III. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-83594-1_31.

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Aoki, Reiko, Manabu Enoki, and Ryo Yoshida. "Mechanical Behavior during Self-Oscillating of NIPAAm-Co-(Ru(bpy)3 Gel." In Key Engineering Materials. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-456-1.2235.

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Lu, Jinbin, Lifeng Zheng, Feng Chen, Liang Yang, and Qiang Zhang. "Experimental Study on Physical and Mechanical Characteristics and Microstructure of Sandstone After High Temperature-Water Cooling Treatment." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_27.

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AbstractIn geothermal energy development, high-temperature rock mass will go through the process of water cooling. It is of great significance to study the physical and mechanical characteristics and microstructure of high-temperature rock after water cooling for the long-term stability analysis of underground engineering. Based on this, the surface characteristics, mass, and volume variation of sandstone cooled by water at high temperatures (100, 200, 400, 600, 800, and 1000 °C) were investigated. Using the Rock Top multifield coupling tester, a series of axial compressions and longitudinal wave velocity tests of the sandstone after a high temperature-water cooling treatment are performed. The microstructure characteristic obtained by X-ray diffraction and scanning electron microscope was studied, and the effect of high temperature-water cooling behavior on the mechanical properties of sandstone was investigated. The results show that: (1) The mass loss rate, volume expansion rate and peak strain of sandstone increase with increasing temperature, while peak strength decreases gradually. When the temperature exceeds 400 °C, the physical and mechanical parameters of sandstone change markedly. (2) When the temperature is less than 400 °C, corresponds to the compressive and line-elastic phases, the stable crack propagation phase, the rapid crack propagation phase and the destructive phase during the failure process of sandstone, the wave velocity of sandstone are steadily increasing, oscillating, and sharply decreasing, respectively. While the temperature is below 1000 °C, the wave velocity of sandstone is oscillation increases, slows down and drops sharply, respectively. (3) When the temperature is below 400 °C, the mineral content of sandstone varies less. While the temperature exceeds 400 °C, there is an overall increasing trend in the sodium feldspar content of sandstone. (4) The increase in temperature promotes the development of pore fractures within the sandstone, especially at higher temperature states where microcracks expand along the intergranular to form microcrack networks, leading to an increase in the scale and number of defects such as fractures within the sandstone.
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Conference papers on the topic "Oscillating behavior"

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Schmidt, Sven, Daniel Greiwe, and Tim Jusko. "Pilots' Gaze Behavior During Simulated Helicopter Air-to-Air Refueling." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1294.

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Refueling mid air is considered as important force multiplier for e.g. conducting search and rescue operations. Due to close proximity to the tanker, the refueling hose and drogue as well as the receiver can be strongly affected by the tanker's wake. Thus, the refueling drogue extended from the tanker by a hose is often oscillating from turbulence. Contact with the tanker has to be established by positioning the receiver's refueling probe within the tanker's drogue. During qualification training pilots are instructed to not focus on the drogue, due to its oscillations. This is done since chasi
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Padilla, Rodrigo, Vibhav Durgesh, and Tao Xing. "Application of Proper Orthogonal Decomposition to Study the Flow Over an Oscillating Flag." In ASME 2022 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/fedsm2022-86969.

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Abstract Fluid-Structure-Interaction (FSI) is the coupling between a flowing fluid and a structure that results in either a static or dynamic structure deformation. This investigation focused on applying Proper Orthogonal Decomposition (POD) to study the fluid flow behavior of an oscillating flag and using POD modes to quantify the changes in flow behavior associated with the change in flag oscillation modes. For this purpose, aerodynamic load, membrane location, and Particle Image Velocimetry (PIV) measurements were performed for a selected flag model. The flag location measurements helped id
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Zeng, Qingyun, Jiejin Cai, and Tadashi Watanabe. "Simulation of Oscillating Free Interface Behavior by Using OpenFOAM." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-15586.

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The motions of free interface and its coupling with bubble in oscillating two-phase flow field are simulated numerically by using OpenFOAM. The oscillating two-phase flow field is simulated using the VOF method and the moving grid of the Arbitrary Lagrangian-Eulerian (ALE) method. Firstly, free interface is simulated, and its interface elevation is well coincided with experimental results. Then simulations of free faces with or without bubble near it under oscillating condition are compared. It is found that the free interface between gas and liquid phases is affected largely by the oscillatio
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Zhan, Dexin, Don Spencer, and David Molyneux. "Numerical Analysis of FPSO Behavior in Ocean Towing." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-41964.

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This paper presents numerical analysis of the behavior of a towed FPSO using an in-house computer code Ship Maneuvering Laboratory (SML). The background of the study was an attempt to explain some unexpected observations during a towing situation, where the position of the towed vessel was on the upwind side of the towing vessel and oscillating in yaw. The effects of rudder, wind and current were investigated initially. Then the study focused on the behavior of the towed FPSO with different hydrodynamic coefficients in an environment of steady wind varying from 1.0 to 25 knots with the wind di
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Vincelj, Leo, and Silvio Hrabar. "Dynamical Behavior of Non-Foster Self-oscillating Antenna." In 2020 International Symposium ELMAR. IEEE, 2020. http://dx.doi.org/10.1109/elmar49956.2020.9219037.

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Ali, Ussama, MD Islam, and Isam Janajreh. "Dynamic Behavior of a Streamwise Oscillating Heated Cylinder." In ASME 2021 Heat Transfer Summer Conference collocated with the ASME 2021 15th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/ht2021-63856.

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Abstract The influence of oscillation and heat transfer on the lift and drag coefficients over a circular cylinder is numerically studied in this work. Temperature difference of 300, 600 and 900 K is used between the cylinder wall and the incoming fluid flow for Reynolds number of 100. Air is used as the fluid and the temperature dependent properties of air are used for the analysis as a significant change in the properties of air incurred. Numerical simulation is done on Ansys/fluent with O-type mesh and the vibration in the circular cylinder is induced using user defined function. The vibrat
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Marzouk, Osama A., and Ali H. Nayfeh. "Loads on a Harmonically Oscillating Cylinder." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-35562.

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A harmonic motion of a cylinder acts as a forcing source to the near wake. Depending on the amplitude and frequency of this motion, the lift exerted on the cylinder may be synchronized or not synchronized with the frequency of the motion. Here, we numerically investigate the behavior of the wake, particularly the induced forces on the cylinder, at a low Reynolds number when the forcing frequency is varied from half to twice the shedding frequency of the wake. Within the synchronization region, an abrupt change in the wake, reflected in a discontinuity in the lift, leads to two different flow m
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Tamura, Tetsuro, Akira Hayakawa, and Ray Okada. "Numerical Study on Aeroelastic Behavior of a Circular Cylinder With Two Degrees of Freedom." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0062.

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Abstract When a circular cylinder is transversely set in fluid flows, various kinds of oscillations in the in-line as well as the cross-flow direction occur due to the aerodynamic forces, which are mainly induced by periodic vortex sheadings. In case of large amplitude, an oscillating cylinder interacts with flows close to the cylinder surface and generates the distinct vortex shedding patterns. We numerically simulate the aeroelastic behaviors of a circular cylinder. Namely, a cylinder is elastically mounted for both in-line (x) and cross-flow (y) directions, therefore can translationally osc
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Pillutla, Srikrishna, and Wonjae Choi. "Oscillating Bubbles on a Hot Surface." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88366.

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This presentation describes a nonlinear dynamics of bubbles forming on a hot surface. In particular, we compare the behavior of bubbles in three regimes — evaporative, nucleate boiling, and film boiling regimes. A bubble appears on a hot surface when the heat flux from the surface is high enough to overcome the Laplace pressure across the surface of the bubble. Once a bubble nucleates on a surface, one might expect that the subsequent evaporation of the liquid phase would make the bubble expand monotonically until it leaves the surface. In real, nucleating bubbles expand monotonically only in
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Ezzahri, Y., and A. Shakouri. "Transient Energy and Heat Transport in Metals." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88280.

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A recently developed Shastry formalism for energy transport is used to analyze the temporal behavior of the energy and heat transport in metals. Comparison with Cattaneo’s equation is performed. Both models show the transition between ballistic and diffusive regimes. Furthermore, because the new model considers the discrete character of the lattice, it highlights some new phenomena such as oscillations in the energy transport at very short time scales. The energy relaxation of the conduction band electrons in metals is considered to be governed by the electron-phonon scattering, and the scatte
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Reports on the topic "Oscillating behavior"

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Dippold, Marcel, Makrina A. Chairopoulou, Maximilian Drexler,, Michael Scheiber, and Holger Ruckdäschel. From vibrating molecules to a running shoe: connecting dielectric properties with process feedback in radio-frequency welding of TPU bead foams. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.pfm.1.

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Besides new material solutions, innovative processing technologies are key for working towards a more sustainable future for bead foam products. Compared to standard steam chest molding, innovative radio frequency (RF) welding shows great potential based on its direct energy input, which results in reduced energy consumption. Thus, the present study provides fundamental insights into the correlation of dielectric properties of expanded thermoplastic polyurethane (ETPU) bead foams with the processing behavior. Impedance spectroscopy is used to analyze the complex relative permittivity 𝜀𝜀!∗ of b
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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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