Relevant bibliographies by topics / Dynamic responses

Contents

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

Academic literature on the topic 'Dynamic responses'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 May 2022

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Journal articles on the topic "Dynamic responses"

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Vinson, V. K. "Dynamic Responses." Science Signaling 5, no. 229 (June 19, 2012): ec172-ec172. http://dx.doi.org/10.1126/scisignal.2003310.

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Burgess, Darren J. "Dynamic omics responses." Nature Reviews Genetics 13, no. 12 (November 14, 2012): 828. http://dx.doi.org/10.1038/nrg3370.

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Song, Ohseop, and Sung-Kyun Kim. "1510 Dynamic Responses of Composite H-Type Cross-Section Beams." Proceedings of The Computational Mechanics Conference 2010.23 (2010): 600–602. http://dx.doi.org/10.1299/jsmecmd.2010.23.600.

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Lin, Yu Sen, Li Hua Xin, and Min Xiang. "Parameters Analysis of Train Running Performance on High-Speed Bridge during Earthquake." Advanced Materials Research 163-167 (December 2010): 4457–63. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.4457.

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A model of coupled vehicle-bridge system excited by earthquake and irregular track is established for studying train running performance on high-speed bridge during earthquake, by the methods of bridge structure dynamics and vehicle dynamics. The results indicate that under Qian’an earthquake waves vehicle dynamical responses hardly vary with the increasing-height pier, but vehicle dynamical responses increase evidently while the height of pier is 18m, which the natural vibration frequency is approaching to dominant frequency of earthquake waves. Dynamic responses are linearly increasing with earthquake wave strength. Dynamic response of vehicles including lateral car body accelerations and every safety evaluation index all increase with train speed, so the influences of train speed must be taken into account in evaluating running safety of vehicles on bridge during earthquakes, but lateral displacement of bridge is varying irregularly. Dynamic responses and lateral displacement of bridge reduce under the higher dominant frequency of earthquake wave. Derailment coefficient, later wheel-rail force and lateral vehicle acceleration become small with increasing damping ratio. Vertical vehicle acceleration and reduction rate of wheel load are hardly varying with damping ratio.
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Hua, Xia, and Eric Gandee. "Vibration and dynamics analysis of electric vehicle drivetrains." Journal of Low Frequency Noise, Vibration and Active Control 40, no. 3 (February 27, 2021): 1241–51. http://dx.doi.org/10.1177/1461348420979204.

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The importance of the vibration and dynamics of electric vehicle drivetrains has increased because of noise and durability concerns. In this study, the important dynamic responses of drivetrains, including the dynamic mesh force acting at the gear teeth, dynamic loads acting at the bearings, and torsional fluctuation of the tire or load under major vibration excitations, such as motor torque fluctuation excitation and spiral bevel gear mesh excitation, were investigated. The results demonstrate that at a lower motor speed, dynamic responses such as the dynamic mesh force, dynamic bearing loads, and dynamic torsional displacement of the tire or load under motor torque fluctuation are dominant. At a higher motor speed, however, the dynamic responses under the gear mesh excitation are dominant. In addition, increasing the pinion-motor torsional compliance is an effective approach for suppressing the dynamic responses of drivetrains under motor torque fluctuation.
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Anjneya, Kumar, and Koushik Roy. "Response surface-based structural damage identification using dynamic responses." Structures 29 (February 2021): 1047–58. http://dx.doi.org/10.1016/j.istruc.2020.11.033.

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Ozaki, Yu-ichi, Satoru Sasagawa, and Shinya Kuroda. "Dynamic Characteristics of Transient Responses." Journal of Biochemistry 137, no. 6 (June 1, 2005): 659–63. http://dx.doi.org/10.1093/jb/mvi084.

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Chapman, J. M. "Dynamic Responses to the Environment." Biological Journal of the Linnean Society 34, no. 3 (July 1988): 191. http://dx.doi.org/10.1111/j.1095-8312.1988.tb01957.x.

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Hossack, Kenneth F. "Cardiovascular Responses to Dynamic Exercise." Cardiology Clinics 5, no. 2 (May 1987): 147–56. http://dx.doi.org/10.1016/s0733-8651(18)30542-3.

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Loizou, Elena, Paul Butler, Lionel Porcar, and Gudrun Schmidt. "Dynamic Responses in Nanocomposite Hydrogels." Macromolecules 39, no. 4 (February 2006): 1614–19. http://dx.doi.org/10.1021/ma0517547.

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Dissertations / Theses on the topic "Dynamic responses"

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Gopalakrishnamurthy, Sharath H. "Structural integrity inspection using dynamic responses /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p1418023.

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姜瑞娟 and Ruijuan Jiang. "Identification of dynamic load and vehicle parameters based on bridge dynamic responses." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31244270.

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Wu, Xiaoxiao M. Eng Massachusetts Institute of Technology. "Wind-induced dynamic responses of structures with outrigger systems." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/99621.

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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Civil and Environmental Engineering, 2015.
Cataloged from PDF version of thesis.
Includes bibliographical references (page 55).
A multi-degree of freedom lumped mass model with rotational springs was built to investigate the influence of outrigger system on the natural periods and mode shapes of a structure. The presence of outrigger system was found to significantly stiffen the structure, reducing the natural periods and distorting the mode shapes. The influences of outrigger system on the modal properties of a structure vary with the change of its number, locations and rotational stiffness. Wind-induced along-wind and across-wind responses of structures with and without outrigger system were analyzed, compared and discussed. It was found that the outrigger system can effectively decrease the along-wind responses (peak displacements and accelerations) and its influence is the most significant when it's located at the middle of the structural height. For across-wind responses, the outrigger system(s) could help with the prevention of vortex-induced resonance, if its location(s) is(are) appropriately chosen, by shifting the natural periods of the original structure without outrigger away from the frequency of vortex shedding. Two methodologies were proposed for the design of outrigger systems in two different scenarios, one with the number and locations of outrigger(s) preset and the other not. For the first scenario, the corresponding methodology is a checking process and for the second, it is a designing process. Both methodologies are aimed at preventing vortex-induced resonance and minimizing along-wind peak displacements and accelerations, satisfying related human comfort criteria for motions and lateral drifts requirements.
by Xiaoxiao Wu.
M. Eng.
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Yang, Xiusheng. "Greenhouse microclimate : transport processes, plant responses and dynamic modeling." The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1145370914.

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Pang, Wyming Lee. "Quantitative analysis of genetic expression responses to dynamic microenvironmental perturbation." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2007. http://wwwlib.umi.com/cr/ucsd/fullcit?p3245319.

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Thesis (Ph. D.)--University of California, San Diego, 2007.
Title from first page of PDF file (viewed March 2, 2007). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 320-337).
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Yu, Da. "Dynamic responses of PCB under product level free drop impact." Diss., Online access via UMI:, 2008.

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Thesis (M.S.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Mechanical Engineering, 2008.
Includes bibliographical references.
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Schmidt, Daniel, Castro Germano Andresa Mara De, and Thomas Lothar Milani. "Aspects of Dynamic Balance Responses: Inter- and Intra-Day Reliability." Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-188620.

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The Posturomed device is used as a scientific tool to quantify human dynamic balance ability due to unexpected perturbations, and as a training device. Consequently, the question arises whether such measurements are compromised by learning effects. Therefore, this study aimed to analyze inter- and intra-day reliability of dynamic balance responses using the Posturomed. Thirty healthy young subjects participated (24.3±3.2 years). The Posturomed was equipped with a triggering mechanism to enable unexpected, horizontal platform perturbations. A force platform was used to quantify Center of Pressure (COP) excursions for two time intervals: interval 1 (0–70 ms post perturbation) and interval 2 (71–260 ms post perturbation). Dynamic balance tests were performed in single leg stances in medio-lateral and anterior-posterior perturbation directions. Inter- and intra-day reliability were assessed descriptively using Bland-Altman plots and inferentially using tests for systematic error and intra-class-correlations. With regard to the mean COP excursions for every subject and all intervals, some cases revealed significant differences between measurement sessions, however, none were considered relevant. Furthermore, intra class correlation coefficients reflected high magnitudes, which leads to the assumption of good relative reliability. However, analyzing inter- and intra-day reliability using Bland-Altman plots revealed one exception: intra-day comparisons for the anterior-posterior direction in interval 2, which points towards possible learning effects. In summary, results reflected good overall reliability with the exception of certain intra-day comparisons in the anterior-posterior perturbation direction, which could indicate learning effects in those particular conditions.
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Wu, Liwen. "Dynamic hyporheic responses to transient discharge, temperature and groundwater table." Doctoral thesis, Humboldt-Universität zu Berlin, 2020. http://dx.doi.org/10.18452/22236.

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Obwohl der Bedeutung von hyporheischen Zonen als Übergangsbereiche zwischen Flüssen und angrenzenden alluvialen Aquiferen eine wachsende Anerkennung zuteilwird, sind dynamische hyporheische Reaktionen auf instationäre hydrologische Bedingungen weiterhin signifikant untererforscht. Um diese Lücke zu schließen, liegt der Fokus dieser Doktorarbeit insbesondere auf den Effekten transienter Abflussverhalten und Temperaturschwankungen in Flüssen auf die raumzeitliche Variabilität von hyporheischen Austauschprozessen. Unter Beachtung dieser Ziele wird ein neues physikalisch basiertes numerisches Modell vorgeschlagen und schließlich angewandt, um systematisch die hyporheischen, durch Sedimentoberflächenstrukturen ausgelösten Reaktionen auf eine Reihe von künstlichen und natürlichen Abflussregimen abzuschätzen. Parameter wie das räumliche Ausmaß der hyporheischen Zone, hyporheische Austauschrate, mittlere Aufenthaltszeit, Temperatur des hyporheischen Flusses sowie das Denitrifikationspotenzial werden definiert, um den Einfluss der Antriebskräfte und Regulatoren auf dynamische hyporheische Reaktionen zu quantifizieren. Die Ergebnisse zeigen, dass mit zunehmendem Abfluss generell das räumliche Ausmaß der hyporheischen Zone vergrößert wird; jedoch bestimmen geomorphologische Bedingungen und Grundwasserflüsse erheblich das Ausdehnen und Zusammenziehen hyporheischer Zonen zusammen mit Strömungen, Wärme- und Stoffaustausch zwischen Fluss und Grundwasser. Temperaturvariabilität, ein wichtiger Faktor, welcher oft in hydrodynamischen Studien vernachlässigt wird, zeigt direkte kontrollierende Effekte beim Bestimmen hyporheischer Austauschraten und mittlerer Aufenthaltszeiten. Weiterhin spielt die Dynamik von Grundwasserständen eine entscheidende Rolle bei hyporheischen Austauschprozessen. Das Optimieren der Terminierung von Grundwasserförderung ist ausschlaggebend für die Regulierung von Wasserqualität, Nährstoffkreisläufen und der Entstehung thermischer hyporheischer Refugien.
Although there is a growing recognition of the importance of hyporheic zones as transitional areas connecting rivers and adjacent alluvial aquifers, the dynamic hyporheic responses to unsteady hydrological conditions are still significantly understudied. To bridge this gap, the present PhD thesis primarily focuses on the effects of transient river discharge and temperature fluctuations on the spatiotemporal variability of hyporheic exchange processes. With these objectives in mind, a novel physically based numerical model is proposed and then applied to systematically evaluate bedform-induced hyporheic responses to a series of synthetic and natural hydrological regimes. Metrics including spatial hyporheic extent, hyporheic exchange rate, mean residence time, temperature of hyporheic flux, and denitrification potential are defined to quantify the impact of drivers and modulators of dynamic hyporheic responses. Results indicate that increasing river discharge generally enlarges the spatial hyporheic extent; however, geomorphological settings and groundwater fluxes substantially modulate the expansion and contraction of hyporheic zones along with flow, heat and solute exchange between river and groundwater. Temperature variability, an important factor which is often neglected in hydrodynamic studies, displays direct controlling effects in determining hyporheic exchange rates and mean residence times. Groundwater table dynamics also play a critical role in hyporheic exchange processes. Optimizing the timing of aquifer pumping is crucial for regulation of water quality, nutrient cycling, and the formation of thermal hyporheic refugia. The findings largely advanced our mechanistic understandings of dynamic hyporheic responses to varying transient flow and temperature conditions, and therefore shed lights on improving river management and restoration strategies.
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St-Pierre, Luc. "The quasi-static and dynamic responses of metallic sandwich structures." Thesis, University of Cambridge, 2012. https://www.repository.cam.ac.uk/handle/1810/243443.

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Lattice materials are used as the core of sandwich panels to construct light and strong structures. This thesis focuses on metallic sandwich structures and has two main objectives: (i) explore how a surface treatment can improve the strength of a lattice material and (ii) investigate the collapse response of two competing prismatic sandwich cores employed in ship hulls. First, the finite element method is used to examine the effect of carburisation and strain hardening upon the compressive response of a pyramidal lattice made from hollow tubes or solid struts. The carburisation surface treatment increases the yield strength of the material, but its effects on pyramidal lattices are not known. Here, it is demonstrated that carburisation increases the plastic buckling strength of the lattice and reduces the slenderness ratio at which the transition from plastic to elastic buckling occurs. The predictions also showed that strain hardening increases the compressive strength of stocky lattices with a slenderness ratio inferior to ten, but without affecting the collapse mode of the lattice. Second, the quasi-static three-point bending responses of simply supported and clamped sandwich beams with a corrugated core or a Y-frame core are compared via experiments and finite element simulations. The role of the face-sheets is assessed by considering beams with (i) front-and-back faces present and (ii) front face present, but back face absent. These two beam designs are used to represent single hull and double hull ship structures, and they are compared on an equal mass basis by doubling the thickness of the front face when the back face is absent. Beams with a corrugated core are found to be slightly stronger than those with a Y-frame core, and two collapse mechanisms are identified depending upon beam span. Short beams collapse by indentation and for this collapse mechanism, beams without a back face outperform those with front-and back faces present. In contrast, longbeams fail by Brazier plastic buckling and for this collapse mechanism, the presence of a back face strengthens the beam. Third, drop weight tests with an impact velocity of 5 m/s are performed on simply supported and clamped sandwich beams with a corrugated core or a Y-frame core. These tests are conducted to mimic the response of a sandwich hull in a ship collision. The responses measured at 5 m/s are found to be slightly stronger than those measured quasi-statically. The measurements are in reasonable agreement with finite element predictions. In addition, the finite element method is used to investigate whether the collapse mechanism at 5 m/s is different from the one obtained quasi-statically. The predictions indicate that sandwich beams that collapse quasi-statically by indentation also fail by indentation at 5 m/s. In contrast, the simulations for beams that fail quasi-statically by Brazier plastic buckling show that they collapse by indentation at 5 m/s. Finally, the dynamic indentation response of sandwich panels with a corrugated core or a Y-frame core is simulated using the finite element method. The panels are indented at a constant velocity ranging from quasi-static loading to 100 m/s, and two indenters are considered: a flat-bottomed indenter and a cylindrical roller. For indentation velocities representative of a ship collision, i.e. below 10 m/s, the predictions indicate that the force applied to the front face of the panel is approximately equal to the force transmitted to the back face. Even at such low indentation velocities, inertia stabilisation effects increase the dynamic initial peak load above its quasi-static value. This strengthening effect is more important for the corrugated core than for the Y-frame core. For velocities greater than 10 m/s, the force applied to the front face exceeds the force transmitted to the back face due to wave propagation effects. The results are also found to be very sensitive to the size of the flat-bottomed indenter; increasing its width enhances both inertia stabilisation and wave propagation effects. In contrast, increasing the roller diameter has a smaller effect on the dynamic indentation response. Lastly, it is demonstrated that material strain-rate sensitivity has a small effect on the dynamic indentation response of both corrugated and Y-frame sandwich panels.
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Hao, Jinde. "Dynamic responses of soil anchorages using numerical and centrifuge modelling techniques." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2008. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=24846.

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Books on the topic "Dynamic responses"

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Dynamic Kerr effect: The use and limits of the Smoluchowski equation and nonlinear inertial responses. Singapore: World Scientific, 1995.

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O'Connor, David C. Policy and entrepreneurial responses to the Montreal protocol: Some evidence from the dynamic Asian economies. Paris: Organisation for Economic Co-operation and Development, 1991.

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Nouve, Kofi. Impact of rising rice prices and policy responses in Mali: Simulations with a dynamic CGE model. [Washington, D.C: World Bank, 2008.

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Fund, International Monetary. Dynamic responses to policy and exogenous shocks in an empirical developing-country model with rational expectations. Washington, D.C: International Monetary Fund, 1990.

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Zervoyianni, Athina. Product-market openness and dynamic responses to exogenous shocks and policies in a two-country, two-goods model. Hull: University of Hull. Department of Economics, 1994.

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Kramer, Steven Lawrence. Dynamic response of peats. [Olympia, Wash: Washington State Dept. of Transportation, 1996.

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Designing dynamic circuit response. Raleigh, NC: SciTech Pub., 2010.

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Feucht, Dennis. Designing dynamic circuit response. Raleigh, NC: SciTech Pub., 2010.

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Ross, C. A. Dynamic response of composite materials. 2nd ed. Connecticut: Society for Experimental Mechanics, 1985.

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System dynamics and response. Australia: Thomson, 2007.

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Book chapters on the topic "Dynamic responses"

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Hargrove, James L. "Responses to Nutrients." In Dynamic Modeling in the Health Sciences, 120–26. New York, NY: Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4612-1644-5_12.

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Isermann, Rolf, and Marco Münchhof. "Parameter Estimation for Frequency Responses." In Identification of Dynamic Systems, 369–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-78879-9_14.

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Weidenbaum, Murray, and Harvey S. James. "Business Responses to Foreign Government Barriers." In The Dynamic American Firm, 123–35. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1313-7_9.

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Sarma, Sridevi V., and Pierre Sacré. "Characterizing Complex Human Behaviors and Neural Responses Using Dynamic Models." In Dynamic Neuroscience, 177–95. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-71976-4_7.

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Hause, Terry John. "Dynamic Response to Time-Dependent External Excitations." In Sandwich Structures: Theory and Responses, 155–82. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71895-4_6.

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Friston, Karl J. "Dynamic Causal Modeling of Brain Responses." In Neuromethods, 241–64. New York, NY: Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-5611-1_8.

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Friston, Karl J. "Dynamic Causal Modelling of Brain Responses." In Neuromethods, 237–61. Totowa, NJ: Humana Press, 2009. http://dx.doi.org/10.1007/978-1-60327-919-2_8.

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Guo, Fengwei. "Dynamic Ice Loads and Structural Responses." In Encyclopedia of Ocean Engineering, 1–8. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-10-6963-5_127-1.

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Galambos, R., and S. Makeig. "Dynamic Changes in Steady-State Responses." In Springer Series in Brain Dynamics, 103–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-71531-0_6.

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Dasgupta, G. "Approximate dynamic responses in random media." In Advances in Dynamic Systems and Stability, 99–114. Vienna: Springer Vienna, 1992. http://dx.doi.org/10.1007/978-3-7091-9223-8_8.

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Conference papers on the topic "Dynamic responses"

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ZARYAB SHAHID,, ZARYAB SHAHID,, MOLLY SAYLOR OHNSON, COLEMAN GUSTAV BOND, JAMES HUBBARD, JR., NEGAR KALANTAR, and ANASTASIA MULIANA. "DYNAMIC RESPONSES OF ARCHITECTURAL KERF STRUCTURES." In Thirty-sixth Technical Conference. Destech Publications, Inc., 2021. http://dx.doi.org/10.12783/asc36/35747.

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Kerfing is a subtractive manufacturing approach to create flexible freeform surfaces from stiff planar materials. The kerf structures are used in both indoor and outdoor architectures for wall paneling, outdoor façade and pavilion. In addition to their physical appeal, these structures have potential applications in tuning the dynamics responses in buildings, e.g., indoor acoustic, vibration suppression, etc. To exploit these novel applications of kerf structures, this paper presents a study on the dynamic responses of kerf structures made up of Medium Density Fiberboard (MDF). MDF is a viscoelastic composite material comprising of wood fiber networks and epoxy. The influence of the material behavior, i.e. viscoelasticity of MDF is considered in determining the dynamic response of the kerf panels. Two kerf panels with similar kerfing pattern but different cut density and arrangement are studied for their modal responses. A 3D beam element is used to model the mechanical responses of the kerf panels. With the understanding of the dynamic response of these kerf panels, their applications in altering the indoor acoustics and the wind responses of the buildings can be better comprehended.
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Huang, Liping. "Analysis of Dynamic Stress Responses in Structural Vibration." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/vib-4238.

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Abstract This paper describes basic concepts and finite element method of dynamic stress response analysis. It provides basics of stress modal analysis and frequency response analysis. The paper defines concepts of normal mode stresses and complex stress frequency response functions for shell elements and shows that element stress responses in both time and frequency domains can be expressed as superposition of normal mode stresses. It demonstrates that element stress response solutions have the similar forms to those of node displacement responses and that normal mode stresses in stress analysis play the same role as mode shapes in normal vibration analysis.
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Brehin, Florian G., and Gary A. Zarillo. "147. MODELING MORPHOLOGIC RESPONSES TO PROPOSED ENGINEERING MODIFICATIONS AT SEBASTIAN INLET, FL." In Coastal Dynamics 2009 - Impacts of Human Activities on Dynamic Coastal Processes. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789814282475_0146.

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Garcia, Elias, Gerald Stutes, Christoffer Nåden, and Kjetil Borgersen. "Monitoring Dynamic Reservoir Pressure Responses Through Cement." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2019. http://dx.doi.org/10.2118/196168-ms.

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Yan, Xiangwu, and Sara Yahia Altahir Mohamed. "Comparison of virtual synchronous generators dynamic responses." In 2018 IEEE 12th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG). IEEE, 2018. http://dx.doi.org/10.1109/cpe.2018.8372573.

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Chung, Yung-Tseng, and John P. Leuer. "Evaluation of Modal Truncation on Dynamic Responses." In Aerospace Technology Conference and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1992. http://dx.doi.org/10.4271/922018.

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Ikeda, Takashi. "Nonlinear Responses of Dual Pendulum Dynamic Absorbers." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86894.

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The nonlinear responses of a single-degree-of-freedom (SDOF) system with two pendulum tuned mass dampers (TMDs) under horizontal sinusoidal excitation are investigated. In the theoretical analysis, van der Pol’s method is applied to determine the expressions for the frequency response curves. In the numerical results, the differences between single- and dual-pendulum systems are shown. Pitchfork bifurcations occur followed by mode localization where both identical pendulums vibrate but at different amplitudes. Hopf bifurcations occur and then amplitude modulated motions including chaotic vibrations appear in the identical dual-pendulum system. The Lyapunov exponents are calculated to prove the occurrence of chaotic vibrations. In a non identical dual-pendulum system, perturbed pitchfork bifurcations occur and saddle-node bifurcation points appear instead of pitchfork bifurcation points. Hopf bifurcations and amplitude modulated motions also appear. The deviation of the tuning condition is also investigated by showing the frequency response curves and bifurcation sets. The numerical simulations are shown to be in good agreement with the theoretical results. In experiments, the imperfections of the two pendulums were taken into consideration and the validity of the theoretical analysis was confirmed.
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Arafa, E. I., A. T. Shenoy, A. Guillon, I. M. C. Martin, K. Barker, C. Lyon De Ana, A. K. Wooten, M. R. Jones, L. J. Quinton, and J. P. Mizgerd. "Dynamic Alveolar Macrophages Responses to Pneumococcal Pneumonia." In American Thoracic Society 2019 International Conference, May 17-22, 2019 - Dallas, TX. American Thoracic Society, 2019. http://dx.doi.org/10.1164/ajrccm-conference.2019.199.1_meetingabstracts.a5593.

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Bighamian, Ramin, Sadaf Soleymani, Andrew T. Reisner, Istvan Seri, and Jin-Oh Hahn. "Modeling and System Identification of Hemodynamic Responses to Vasopressor-Inotropes." In ASME 2013 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/dscc2013-3726.

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In an effort to establish an initial step towards the ultimate goal of developing an analytic tool to optimize the vasopressor-inotrope therapy through individualized dose-response relationships, we propose a phenomenological model intended to reproduce the hemodynamic response to vasopressor-inotropes. The proposed model consists of a cardiovascular model relating blood pressure to cardinal cardiovascular parameters (stroke volume and total peripheral resistance) and the phenomenological relationships between the cardinal cardiovascular parameters and the vasopressor-inotrope dose, in such a way that the model can be adapted to individual patient solely based upon blood pressure and heart rate responses to medication dosing. In this paper, the preliminary validity of the proposed model is shown using the experimental epinephrine dose versus blood pressure and heart rate response data collected from five newborn piglets. Its performance and potential usefulness are discussed. It is anticipated that, potentially, the proposed phenomenological model may offer a meaningful first step towards the automated control of vasopressor-inotrope therapy.
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Zheng, Jinyang, Yongjun Chen, Guide Deng, and Xiaodan Wu. "Dynamic Elastic Responses of Orthotropic Double-Layered Cylinders Under Dynamic Loading." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93504.

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Double-layered cylinders are widely used in engineering. In order to predict its elastic dynamic responses which are crucial to establish design method, its radial displacement considering the effect of axial strain is divided into two parts: a quasi-static part meeting inhomogeneous stress boundary conditions and a dynamic part complying with homogeneous stress boundary conditions. The quasi-static part is determined by homogeneous linearity method, and the dynamic part is worked out by the separation of variables method and orthogonal expansion technique. In the expression of displacement there still exists two unknown variables, i.e., the axial strain and the radial stress at the interface between the inner shell and outer shell of the double-layered cylinder. By using axial force balance and radial displacement continuity, a set of Volterra integral equations of the second kind are derived, which can be solved successfully by an interpolation method. Numerical results are presented and discussed for comparison dynamic responses between a monobloc cylinder and a comparable double-layered cylinder.
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Reports on the topic "Dynamic responses"

1

Engblom, John J., and Ozden O. Ochoa. Nonlinear Dynamic Responses of Composite Rotor Blades. Fort Belvoir, VA: Defense Technical Information Center, August 1988. http://dx.doi.org/10.21236/ada200145.

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Depireux, Didier A., Jonathan Z. Simon, David J. Klein, and Shihab A. Shamma. Dynamics of Neural Responses in Ferret Primary Auditory Cortex: I. Spectro-Temporal Response Field Characterization by Dynamic Ripple Spectra. Fort Belvoir, VA: Defense Technical Information Center, January 1999. http://dx.doi.org/10.21236/ada439778.

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Kowalski, Nina, Didier A. Depireux, and Shihab A. Shamma. Analysis of Dynamic Spectra in Ferret Primary Auditory Cortex. 2. Prediction of Unit Responses to Arbitrary Dynamic Spectra. Fort Belvoir, VA: Defense Technical Information Center, January 1995. http://dx.doi.org/10.21236/ada445591.

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Banks, H. T., Gabriella A> Pinter, Laura K. Potter, Michael J. Gaitens, and Lynn C. Yanyo. Modeling of Quasi-Static and Dynamic Load Responses of Filled Viscoelastic Materials. Fort Belvoir, VA: Defense Technical Information Center, December 1998. http://dx.doi.org/10.21236/ada451635.

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Banks, H. T., and N. G. Medhin. A Molecular Based Dynamic Model for Viscoelastic Responses of Rubber in Tensile Deformations. Fort Belvoir, VA: Defense Technical Information Center, November 2000. http://dx.doi.org/10.21236/ada451430.

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Weinstein, Russell. Dynamic Responses to Labor Demand Shocks: Evidence from the Financial Industry in Delaware. W.E. Upjohn Institute, May 2017. http://dx.doi.org/10.17848/wp17-276.

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Pudney, Stephen. Perception and retrospection: the dynamic consistency of responses to survey questions on wellbeing. Institute for Fiscal Studies, June 2010. http://dx.doi.org/10.1920/wp.cem.2010.1210.

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Short, Samuel, Bernhard Strauss, and Pantea Lotfian. Food in the digital platform economy – making sense of a dynamic ecosystem. Food Standards Agency, February 2022. http://dx.doi.org/10.46756/sci.fsa.jbr429.

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The food services sector has been evolving rapidly over the past decade, accelerated by the Covid-19 pandemic. The traditional linear model of food producers selling through wholesalers to brick and mortar retailers, restaurants and hospitality venues is increasingly being displaced by complex interactive digital ecosystems of online food services providers. Consumers are increasingly able to access food directly at various stages along the traditional value chain via interaction with digital platforms and rapid home-delivery networks, realising greater convenience, more variety in food products and services from a dynamic start-up scene, and overall enhanced value. FSA needs to stay abreast of these changes and develop regulatory responses to ensure these innovations are aligned with the public good and do not compromise food safety and public health.
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Younan, A. H., A. S. Veletsos, and K. Bandyopadhyay. Dynamic response of flexible retaining walls. Office of Scientific and Technical Information (OSTI), January 1997. http://dx.doi.org/10.2172/444031.

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Veletsos, A. S., A. H. Younan, and K. Bandyopadhyay. Dynamic response of cantilever retaining walls. Office of Scientific and Technical Information (OSTI), October 1996. http://dx.doi.org/10.2172/432886.

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