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Relevant bibliographies by topics / Imact dynamics

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Academic literature on the topic 'Imact dynamics'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Imact dynamics"

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Milić Beran, Ivona. "SYSTEM-DYNAMIC MODELING OF THE IMPACT OF SOCIAL CAPITAL ON ECONOMIC GROWTH." DIEM: Dubrovnik International Economic Meeting 6, no. 1 (September 2021): 25–32. http://dx.doi.org/10.17818/diem/2021/1.3.

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This paper presents a qualitative and quantitative system-dynamic modeling of the impact of social capital on economic growth. Social capital is the most problematic of all the concepts that determine progress. On a broad conceptual level, there is agreement about the importance of social capital, which has been used to explain differences in progress among nations with similar natural, human and physical capital. Recent research suggests that it is more important to include an explanation of the interaction of economic actors and their organization when measuring progress than to measure progress without the influence of social capital. The purpose of this paper is to develop a system-dynamic model of the impact of social capital on economic growth that will enable better understanding and management of social capital. In order to build a system dynamics model, the paper will: provide an analysis and overview of social capital and system dynamics; develop a system dynamics structural and mental-verbal model of the impact of social capital on economic growth; and develop a mathematical model of economic growth. This will provide a practical insight into the dynamic behavior of the observed system, i.e., analyzing economic growth and observing the mutual correlation between individual parameters. Keywords: social capital, economic growth, system dynamics, structural model

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Bae, Changwoo, Seungtae Oh, Jeonghoon Han, Youngsuk Nam, and Choongyeop Lee. "Water penetration dynamics through a Janus mesh during drop impact." Soft Matter 16, no. 26 (2020): 6072–81. http://dx.doi.org/10.1039/d0sm00567c.

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Drop impact on a Janus membrane shows two distinct penetration dynamics: dynamic pressure driven penetration dynamics on a shorter timescale and capillary pressure driven penetration dynamics on a longer timescale.

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Mao, Jian, Yu Fu, and Peichao Li. "Dynamics of Periodic Impulsive Collision in Escapement Mechanism." Shock and Vibration 20, no. 5 (2013): 1001–10. http://dx.doi.org/10.1155/2013/350429.

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Among various non-smooth dynamic systems, the periodically forced oscillation system with impact is perhaps the most common in engineering applications. The dynamical study becomes complicated due to the impact. This paper presents a systematic study on the periodically forced oscillation system with impact. A simplified model of the escapement mechanism is introduced. Impulsive differential equation and Poincare map are applied to describe the model and study the stability of the system. Numerical examples are given and the results show that the model is highly accurate in describing/predicting their dynamics.

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Caux, S., and R. Zapata. "Modeling and control of biped robot dynamics." Robotica 17, no. 4 (July 1999): 413–26. http://dx.doi.org/10.1017/s0263574799001411.

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This paper addresses the problem of modeling biped dynamics and the use of such models for the control of walking, running and jumping robots. We describe two approaches to dynamic modeling: the basic Lagrange approach and the non-regular dynamic approach. The new non-regular dynamic approach takes into account discontinuities due to rigid contact between punctual feet and the ground without computing the exact impact time. The contact is close to the physical situation given by non-linear laws (impenetrability, non-smooth contact and real friction cone). Contact dynamics can be well managed with an accurate dynamic model that respects energy consistency during all the phases encountered during a step (0, 1 or 2 contacts). With this model, we can first study the equilibrum of a biped standing on one foot by a linearisation method. In the second stage, the unified modelized equation is used to establish a general control frame based on non-regular dynamical decoupling. A comparison is made and some simulation results are given with a two degree of freedom planar biped robot.

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Sun, Ao, and Ting Qiang Yao. "Modeling and Analysis of Planar Multibody System Containing Deep Groove Ball Bearing with Slider-Crank Mechanism." Advanced Materials Research 753-755 (August 2013): 918–23. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.918.

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With the rotating machinery system developing toward high speed, high precision, and high reliability direction, ball bearing dynamic performance have a critical impact to dynamics characteristics of support system. Based on multibody dynamics theory and contact dynamics method,and considering the ball and ring raceway 3 d dynamic contact relationship, using ADAMS dynamics analysis software to establish the multibody dynamics model of crank slider mechanism containing ball bearing dynamic contact relationship.The simulation analysis of the dynamic performance of the ball bearing and the crank slider mechanism dynamics response, and the influence of dynamic performance for considering ball bearing rotating mechanical system dynamics analysis provides a reference method.The simulation analysts the influence of dynamic performance of the ball bearing to the crank slider mechanism dynamics response. It provides a reference method for rotating mechanical system dynamics analysis considering the dynamic performance of the ball bearing.

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Nie, Guang Hua, Shuai Zhang, and Xue Fang Du. "Dynamics Simulation Analysis of Impact Mechanism in Impact Vibration Roller." Advanced Materials Research 765-767 (September 2013): 336–40. http://dx.doi.org/10.4028/www.scientific.net/amr.765-767.336.

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the paper adopts dynamic simulation software ADAMS for establishing virtual prototype model, and dynamics simulation analysis study is conducted on the impact mechanism in order to better study the impact mechanism in impact vibration composite roller with round idler wheels. The kinematics features and dynamics features are studied. The theoretical curves of rail disk opening size and driving angular velocity is obtained. The rail disk structure is improved, and it is proved through software simulation that the improved mechanism is beneficial for improving the impact efficiency of the roller.

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Zhang, Yu Bai, Hui Qun Yuan, and Ming Xuan Liang. "Simulation Research on Tooth Root Dynamic Stress of Marine Helical Gear Meshing Impact." Applied Mechanics and Materials 331 (July 2013): 7–10. http://dx.doi.org/10.4028/www.scientific.net/amm.331.7.

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Finite element model of helical gear meshing of large burden marine is built based on explicit dynamics finite element method, dynamics stress variation of helical gear tooth is simulated under multiple working conditions, research is focused on the impact of changes in working conditions on the dynamic stress of the tooth root. The results show that helical gear pair speed and center distance error have great impact on dynamic stress of tooth root. The results provide reference for dynamic performance optimization of marine gears.

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Duan, Yue Chen, Xia Li, Wei Wei Zhang, Guo Ning Liu, and Ting Ting Wang. "Impact Dynamics of Flexible Multibody System Based on Continuous Contact Force Method." Applied Mechanics and Materials 744-746 (March 2015): 1628–34. http://dx.doi.org/10.4028/www.scientific.net/amm.744-746.1628.

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The impact dynamics of spatial multi-link flexible multibody system is studied based on the continuous contact force method (CCFM). According to the rigid-flexible coupling dynamic theory of flexible multibody system, the rigid-flexible coupling continuous dynamic equations of the system are established by using the recursive Lagrange method. The impact dynamic equations of the system are stylized derived on the use of CCFM basing on the nonlinear spring-damper model. The contact separation criterion is given to achieve the conversion and calculation of the dynamic model for the system at different stages. An impact dynamic simulation example for a two-link planar flexible multibody system is given, as well as the global dynamic response. The results show that the impact dynamic solving method based on CCFM can be used for the global impact dynamics of multi-link flexible multibody systems. The dynamic behavior of the system changes dramatically during the impact process. The large overall motion, the small deformation motion and the impact effect are coupled.

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Kamal, Tvezhar, and Shram Shawkat. "Impact of Dynamic Capabilities on Knowledge Management in Kurdistan Region of Iraq." Black Sea Journal of Management and Marketing 1, no. 1 (August 25, 2020): 41–48. http://dx.doi.org/10.47299/bsjmm.v1i1.30.

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There are different factors that contribute and affect Knowledge Management such as the management system, teamwork, and dynamic capabilities within the organization. The aim of this study is to investigate dynamic capabilities of a firm and their impact on knowledge management at various companies in the Kurdistan Region of Iraq. Furthermore, it is aimed to examine the effects of employee experience on dynamic capabilities and knowledge management. Driven from the results, it was observed that organizational dynamics is one of the significant indicators of knowledge management. Secondly, the findings have revealed that experience is an important moderator between organizational dynamics and knowledge management.

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Qin, Zhenhua, and Rongjun Gai. "Neuro-Based Consensus Seeking for Nonlinear Uncertainty Multi-Agent Systems Constrained by Dead-Zone Input." International Journal on Semantic Web and Information Systems 19, no. 1 (August 25, 2023): 1–26. http://dx.doi.org/10.4018/ijswis.328767.

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The topic about consensus target track seeking for high-order nonlinear multi-agent systems (MASs) with unmodeled dynamics, dynamic disturbances, and dead-zone input is considered in the paper. Using the strong nonlinear map characteristic of radial basis function neural networks (RBFNNs), the complex functions arising from recursive procedure are simplified. Also, inspired by input-to-state practical stability (ISpS), the authors construct a dynamical signal in order to counteract the impact of unmodeled dynamics and dynamic disturbances. The bounded inequality expression has been applied to tackle the unknown input of dead zone. Based on this, consensus control protocol suitable for nonlinear constraints has been constructed by using the recursive backstepping technique and adaptive neural network method. Theoretical analysis indicates not only the uniform boundary of all signals in the closed-loop under the neuro-based consensus controller, but uniform ultimate convergence of consensus tracking errors. The final simulations also confirmed the correctness of the theoretical analysis.

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Dissertations / Theses on the topic "Imact dynamics"

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Wagg, David James. "Vibro-impact dynamics of engineering systems." Thesis, University College London (University of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314220.

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Yeow, Hoe Chian. "Soil classification through dynamic soil signatures." Thesis, University of Aberdeen, 1990. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU031990.

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The demand for a cost effective site investigation method has resulted in the introduction of various advanced in-situ testing techniques. These techniques utilise modern electronics instrumentation to monitor various soil parameters during site investigation. The data is then processed using high speed, low cost digital computers which allow an accurate and rapid assessment of the conditions of the foundation soil under a proposed construction site. In this thesis, a site investigation tool that drives a coring tube into the ground under a combination of vibration and impact is considered. This machine, called a vibro-impact corer, is fully instrumented to provide penetrometer-type information and a core sample for further inspection in the laboratory. The self-adjusting mechanism inherent in this machine delivers the minimum level of energy required to overcome soil resistance which thereby allows continuous penetration of the coring tube. This mechanism is also results in minimal induced disturbance during the coring process. This thesis investigates use of the vibro-impact corer as a soil classification tool. It involves the design of data analysis software to perform the soil classification procedure. Due to the nature of the system, the resistance monitored through the annular load cell fitted at the tip of the coring tube consists of the dynamic end resistance waveform and the peak magnitude of these waveforms over a sampling period. The vibro-impact soil classification system is based on the distinct self-adjusting mechanism of the machine. The self-adjustment mechanism imparts a different level of impact and vibration as soil conditions change which produces distinct dynamic soil resistance waveforms. In addition, the penetration rate and the magnitude of the soil resistance encountered also varies according to the material being penetrated. These two features are used to form the basis of the soil classification system in this software. The software also includes options for empirical correlation of the results obtained from the vibro-impact penetrometer with the CPT and SPT tests to allow comparison. The vibro-impact soil classification software is designed to be user-friendly. It reads the data files from a Biodata Transient Capture System for the classification process. The output devices such as plotter and printer are used to produce hardcopy records for various data. All the options are menu driven. A two degree freedom simulation of the operational responses of the vibro-impact machine is also included in this thesis. The main objective of this simulation is to study the soil response during vibro-impact mode of driving. This allows a comparison of the simulation soil responses to the model test results to provide an understanding of the soil behaviour under a combination of both vibratory and impact loadings. This thesis presents the results of several laboratory model and full scale vibro-impact penetrometer tests. It concentrates on the main subject of soil classification during the discussions although in some occasions the operational mechanism of the machine is mentioned. The results justify the approaches adopted for the soil classification system using a vibro-impact machine.

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Anandika, Muhammad Nevin. "An Experimental Investigation of the Impact of Random Spacing Errors onthe Transmission Error of Spur and Helical Gear Pairs." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1574680868815187.

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Knudsen, Jakob. "Vibro-impact dynamics of fretting wear." Licentiate thesis, Luleå tekniska universitet, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18592.

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The dynamics and wear of non-linear impact oscillators, comprising a single-degree of freedom system as well as continuous beam systems are analysed. The considered beams are of cantilever type with the lateral motion of the free end constrained by elastic supports. They are modelled as Bernoulli beams with Rayleigh damping. A finite-element method is used for discretisation in space and Newmark's method for time integration. Wear is quantified using the work-rate concept. The model calculations are compared with measurements of contact forces and displacements made on a loosely supported nuclear fuel rod span subject to both harmonic and random excitation. Details of the vibro-impact dynamics in the time domain are well reproduced in the digital simulations. Work-rates computed from measured and simulated quantities are also in good agreement. Furthermore, the dynamics of vibro-impacts are characterised through global and local stability and bifurcation analysis. Global analysis is made by extensive time integration for both harmonic and stochastic excitation. The local analysis is made by way of a Poincaré mapping method relating the states at subsequent impacts at the elastic supports for harmonically excited systems. The domains of stability are mapped out and the work-rate at stable periodic orbits is examined.
Godkänd; 2001; 20070225 (ysko)

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DI, BENEDETTO GIOVANNI. "Impact dynamics of tool steel penetrators." Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2678424.

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Armor-piercing (AP) ammunition generally carries a hard penetrator within a copper jacket. Upon impact on a hard target, the copper case is destroyed, but the penetrator continues its motion and pierces the target. The most efficient AP ammunition is built with penetrators made from either tungsten alloys or depleted uranium, but alloy steel penetrators are also commonly used, because they are less expensive and less polluting, even if they are much less efficient. The impact deformation and fracture behavior of armor-piercing penetrators fabricated with three tool steels, and their resultant ballistic efficiency, are investigated, both to better understand the optimal mechanical properties of armor piercing materials, and to describe the fracture mechanics of the tested materials. Moreover, the ballistic results of the three tool steels are compared with those of plain medium-carbon steel and cemented tungsten carbide.

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Gao, Fan. "The Impact Dynamics of Weakly Charged Droplets." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/92888.

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Electric charges are often found in naturally or artificially formed droplets, such as raindrops and those generated by Kelvin's water dropper. In contrast to the impact of neutral droplets on a flat solid surface upon which a thin convex lens shape layer of the gas film is typically formed, I show that the delicate gas thin film can be fundamentally altered for even weakly charged droplets both experimentally and numerically. As the charge level is raised above a critical level of about 1% of the Rayleigh limit for representative impact conditions, the Maxwell stress overcomes the gas pressure buildup to deform the droplet bottom surface. A conical liquid tip forms and pierces Through the gas film, leading to a circular contact line moving outwards that does not trap any gas. The critical charge level only depends on the capillary number based on the gas viscosity. The deformation applies to common liquids and molten alloy droplets. Even dielectric surfaces can also induce conical deformation. The charged droplets can also deform upon hydrophobic surfaces, and increase the contact time on hydrophobic surfaces or even avoid bouncing.
Doctor of Philosophy
Electric charges are often found in naturally or artificially formed droplets, such as raindrops, waterfall, and inkjet printer. Neutral droplets impact on flat surfaces will usually trap a bubble inside because of the viscosity of air. The air bubble entrapped can be ignored if the droplet is water because the air bubble will eventually pinch-off. However, if the droplet is metal or some other viscous liquid, the air bubble will stay inside the liquid. This entrapped air bubble is undesired under some circumstances. For example, the existence of air bubble during metal 3D printing can influence the physical property. I show that the delicate gas thin film can be fundamentally altered for even weakly charged droplets both experimentally and numerically. As the charge level is raised above a critical level of about 1% of the maximum charges a droplet can carry for representative impact conditions, the electric stress will dominate the deformation of droplet. A conical liquid tip forms at the droplet bottom, avoiding the entrapment of air bubble. The critical charge level is experimentally proved to be only dependent on the gas viscosity and impact velocity. The deformation applies to common liquids and molten alloy droplets. Even dielectric surfaces can also induce conical deformation. The charged droplets can also deform upon hydrophobic surfaces, and increase the contact time on hydrophobic surfaces or even avoid bouncing.

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Murias, dos Santos Antonio E. Ferrand de Almeida. "Intertidal ecology of northern Portuguese rocky shores." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326590.

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Soundranayagam, Sally Ann. "Investigation of nonlinear transformation of impulses in impact units for improvement of hammer drill performance." Thesis, Loughborough University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324489.

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Matzinger, Thomas. "An Overview of Body Armor and Single Plate Impact Dynamics." DigitalCommons@CalPoly, 2018. https://digitalcommons.calpoly.edu/theses/1808.

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In the past, personal body armor was constructed of simple plates of high- strength alloys. However, with the advancement of modern combat and weaponry, particularly armor-piercing ammunition, personal body armor has evolved into more complex and effective metal, ceramic, and composite structures. This paper lays the groundwork for experimental and modeling methods used to understand the effectiveness of new armor designs. Focusing on the first layer of modern body armor, the ”High Impedance” layer. Experiments measuring the change in velocity of bullets passing through aluminum and titanium plates were conducted. These experiments were then replicated through FEA simulation.

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Emms, Rhys Mullin. "Impact of Plasma Dynamics On Femtosecond Filamentation." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35126.

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In this thesis we ran a series of 2D simulations of femtosecond laser pulses filamenting in air using the FDTD method, a saturable Lorentz oscillator model of air [1], and two separate models of plasma: a Drude model where the plasma density is static in space, and a particle-in-cell model where plasma is free to migrate throughout the simulation space. By comparing matched pairs of simulations, which varied in pulse size, duration, and intensity, we can gauge the impact plasma dynamics has upon the evolution of a filamenting laser pulse. From these tests we determine that, while there are some visible differences between dynamic and static plasmas, plasma dynamics do not significantly alter the evolution of the pulse.

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Books on the topic "Imact dynamics"

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A, Zukas Jonas, ed. Impact dynamics. Malabar, FL: Krieger Pub. Co., 1992.

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Luo, Albert C. J., and Yu Guo. Vibro-Impact Dynamics. Oxford, UK: John Wiley & Sons Ltd, 2013. http://dx.doi.org/10.1002/9781118402924.

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Ibrahim, Raouf A. Vibro-Impact Dynamics. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00275-5.

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1984-, Guo Yu, ed. Vibro-impact dynamics. Chichester, West Sussex: Wiley, 2013.

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Mechanical impact dynamics: Rigid body collisions. New York: Wiley, 1991.

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Yu, T. X., and XinMing Qiu. Introduction to Impact Dynamics. Singapore: John Wiley & Sons Singapore Pte. Ltd, 2018. http://dx.doi.org/10.1002/9781119113133.

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A, Zukas Jonas, ed. High velocity impact dynamics. New York: Wiley, 1990.

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Babitsky, V. I., ed. Dynamics of Vibro-Impact Systems. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-60114-9.

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Nonsmooth impact mechanics: Models, dynamics, and control. London: Springer, 1996.

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Manolopoulos, Yannis, and Thanasis Vergoulis, eds. Predicting the Dynamics of Research Impact. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-86668-6.

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Book chapters on the topic "Imact dynamics"

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Blondeau, Hélène. "The dynamics of pronouns in the Québec languages in contact dynamics." In Social Lives in Language – Sociolinguistics and multilingual speech communities, 249–71. Amsterdam: John Benjamins Publishing Company, 2008. http://dx.doi.org/10.1075/impact.24.17blo.

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Oltheten, Wessel. "Dynamics." In Mixing with Impact, 54–75. First edition. | New York, NY : Routledge, 2019. | “Previously published in Dutch by Edusonic, 2016.”: Routledge, 2018. http://dx.doi.org/10.4324/9781315113173-5.

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Jessner, Ulrike. "Towards a dynamic view of multlingualism." In Language Choices, 17. Amsterdam: John Benjamins Publishing Company, 1997. http://dx.doi.org/10.1075/impact.1.04jes.

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Abrate, Serge. "Impact Dynamics." In Impact Engineering of Composite Structures, 71–96. Vienna: Springer Vienna, 2011. http://dx.doi.org/10.1007/978-3-7091-0523-8_3.

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Quell, Carsten. "Requirements, Dynamics and Realities of Language Use in the EU." In Language Legislation and Linguistic Rights, 288. Amsterdam: John Benjamins Publishing Company, 1998. http://dx.doi.org/10.1075/impact.2.20que.

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Ibrahim, Raouf A. "Introduction." In Vibro-Impact Dynamics, 1–5. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00275-5_1.

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Ibrahim, Raouf A. "Modeling and Analytical Approaches." In Vibro-Impact Dynamics, 7–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00275-5_2.

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Ibrahim, Raouf A. "Mapping of Grazing and C–Bifurcations." In Vibro-Impact Dynamics, 31–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00275-5_3.

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Ibrahim, Raouf A. "Single–Degree–of–Freedom Systems." In Vibro-Impact Dynamics, 55–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00275-5_4.

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Ibrahim, Raouf A. "Two– and Multi–Degree–of–Freedom Systems." In Vibro-Impact Dynamics, 97–123. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00275-5_5.

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Conference papers on the topic "Imact dynamics"

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Gontchar, Igor, and Maria Chushnyakova. "Dynamical modeling of fission process: Impact of the collective potential." In 2016 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2016. http://dx.doi.org/10.1109/dynamics.2016.7819015.

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Khayyer, Abbas, and Hitoshi Gotoh. "4. IMPROVED MPS METHODS FOR WAVE IMPACT CALCULATIONS." In Coastal Dynamics 2009 - Impacts of Human Activities on Dynamic Coastal Processes. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789814282475_0007.

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Mori, Nobuhito, Ryota Iwashima, Tomohiro Yasuda, Hajime Mase, Tracey Tom, and Yuichiro Oku. "135. IMPACT OF GLOBAL CLIMATE CHANGE ON WAVE CLIMATE." In Coastal Dynamics 2009 - Impacts of Human Activities on Dynamic Coastal Processes. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789814282475_0134.

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Ismagilov, Flur R., Viacheslav E. Vavilov, Anton A. Mednov, and Denis V. Gusakov. "The impact of amorphous steel on the increase of a transformer rectifier unit efficiency of an aircraft." In 2017 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2017. http://dx.doi.org/10.1109/dynamics.2017.8239457.

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Maklakova, E. A., and V. R. Gasiyarov. "Impact load researches for different settings of current regulation loop of electric drive control system of rolling stand." In 2016 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2016. http://dx.doi.org/10.1109/dynamics.2016.7819043.

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Moshkin, Ivan A., Andrey N. Nikolaev, and Nikolay S. Nikitin. "Assessing the Impact of Analog-to-digital Converter Resolution on the Phase Difference Measurement Error in a Digital Receiver." In 2018 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2018. http://dx.doi.org/10.1109/dynamics.2018.8601421.

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Sayed, Mohamed A., Hamdy A. Kandil, and El-Sayed I. Morgan. "Dynamic stall analysis of horizontal-axis-wind-turbine blades using computational fluid dynamics." In THE 4TH INTERNATIONAL MEETING OF ADVANCES IN THERMOFLUIDS (IMAT 2011). AIP, 2012. http://dx.doi.org/10.1063/1.4704309.

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Grady, Dennis. "Statistics of energy dissipation in the hypervelocity impact shock failure transition." In 2019 15th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/hvis2019-020.

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Abstract In the hypervelocity impact event, shock waves subject material to failure transitions with the attendant dissipation of the imparted energy. Under shock compression, failure and dissipation entail intense compression, inelastic shear and compaction. Through shock interactions, states of dynamic tension are achieved and further failure dissipation involves fracture and fragmentation. The nature of failure of solids in the shock environment has encouraged considerable experimental effort through the past several decades. Such efforts have yielded results that suggest universality in the shock failure response over significant spans of shock intensity. Examples include the fourth-power relation between pressure and strain rate in solid-material compressive shock waves, and power-law relations capturing spall fracture strength and fragmentation size scale in dynamic tensile failure. Comparable power-laws also describe the shock compaction of distended solids. The present paper explores a statistical perspective of the underlying micro failure dynamics for the purpose of achieving better understanding of the macro failure trends noted above. A statistical correlation function description of the random micro velocity field is introduced. Through the attendant kinetic dissipation, the statistical fluctuation-dissipation principle is applied to the shock failure transition. From this statistical approach, power-law relations for compressive and tensile shock failure emerge that replicate the reported experimental behaviors.

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Esteban, Miguel, Hiroshi Takagi, and Tomoya Shibayama. "16. FAILURE MODE AGAINST IMPACT AND SOLITARY WAVES OF ARMOURED CAISSON BREAKWATERS PROTECTED BY A PARTIALLY FAILED ARMOUR LAYER." In Coastal Dynamics 2009 - Impacts of Human Activities on Dynamic Coastal Processes. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789814282475_0019.

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RYU, JEWAN, and HEEKYUNG PARK. "RESILIENCE ASSESSMENT FOR INTERDEPENDENT WATER SUPPLY SYSTEMS BASED ON A SYSTEM DYNAMICS MODEL." In ENVIRONMENTAL IMPACT 2018. Southampton UK: WIT Press, 2018. http://dx.doi.org/10.2495/eid180221.

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Reports on the topic "Imact dynamics"

1

Gazonas, G. A. Impact Dynamics of the M557 Fuze. Fort Belvoir, VA: Defense Technical Information Center, July 1998. http://dx.doi.org/10.21236/ada349031.

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Titov, V. M. Impact dynamics of porous powder. Final report. Office of Scientific and Technical Information (OSTI), December 1995. http://dx.doi.org/10.2172/376417.

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Dlott, Dana D. Ultrafast impact dynamics of reactive materials (Dlott). Fort Belvoir, VA: Defense Technical Information Center, April 2013. http://dx.doi.org/10.21236/ada579434.

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4

Caliendo, Lorenzo, Maximiliano Dvorkin, and Fernando Parro. The Impact of Trade on Labor Market Dynamics. Cambridge, MA: National Bureau of Economic Research, May 2015. http://dx.doi.org/10.3386/w21149.

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Sbordone, Argia. Globalization and Inflation Dynamics: the Impact of Increased Competition. Cambridge, MA: National Bureau of Economic Research, October 2007. http://dx.doi.org/10.3386/w13556.

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Martinez-Moyano, Ignacio, and Charles Macal. COVID-19 Impact on Prison Population and Flow Dynamics. Office of Scientific and Technical Information (OSTI), March 2022. http://dx.doi.org/10.2172/1855167.

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Kranjc, M. DYNAMIC IMPACT TESTING OF RIGID POLYURETHANE FOAMS. Office of Scientific and Technical Information (OSTI), June 2017. http://dx.doi.org/10.2172/1365663.

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Lucon, enrico. Measurement of Dynamic Impact Toughness on Impact-Tested Precracked Charpy Specimens. National Institute of Standards and Technology, June 2015. http://dx.doi.org/10.6028/nist.ir.8065.

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Walls, J. C., and D. S. Webb. Dynamic impact analysis of the M1 105mm projectile. Office of Scientific and Technical Information (OSTI), June 1993. http://dx.doi.org/10.2172/7368759.

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Walls, J. C., and D. S. Webb. Dynamic impact analysis of the M1 105mm projectile. Office of Scientific and Technical Information (OSTI), June 1993. http://dx.doi.org/10.2172/10173127.

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