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Littérature scientifique sur le sujet « Hard- ware accelerator »

Auteur : Grafiati

Publié le 7 juin 2025

Mis à jour le 2 août 2025

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Articles de revues sur le sujet "Hard- ware accelerator"

Ashna, Farheen, Fatima Zoha, and Tahura Muskan. "Applications of Embedded System Using AI: A Review." Journal of Optoelectronics and Communication 7, no. 2 (2025): 1–7. https://doi.org/10.5281/zenodo.15349209.

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<em>Conventional methods for implementing logic programming applications on embedded systems are software- based, requiring a compiler to convert the initial declarative logic program to its equivalent procedural one. This increases the complexity of the final implementation and reduces system performance. However, hardware implementations that only support logic programs prevent their use in applications where logic programs need to be intertwined with traditional procedural ones. This paper exploits HW/SW codesign methods to present a microprocessor capable of supporting hybrid ap- plication

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Hershbein, Brad, and Lisa B. Kahn. "Do Recessions Accelerate Routine-Biased Technological Change? Evidence from Vacancy Postings." American Economic Review 108, no. 7 (2018): 1737–72. http://dx.doi.org/10.1257/aer.20161570.

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We show that skill requirements in job vacancy postings differentially increased in MSAs that were hit hard by the Great Recession, relative to less hard-hit areas. These increases persist through at least the end of 2015 and are correlated with increases in capital investments, both at the MSA and firm levels. We also find that effects are most pronounced in routine-cognitive occupations, which exhibit relative wage growth as well. We argue that this evidence is consistent with the restructuring of production toward routine-biased technologies and the more-skilled workers that complement them

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Attene, Federico, Francesco Balduzzi, Alessandro Bianchini, and M. Sergio Campobasso. "Using Experimentally Validated Navier-Stokes CFD to Minimize Tidal Stream Turbine Power Losses Due to Wake/Turbine Interactions." Sustainability 12, no. 21 (2020): 8768. http://dx.doi.org/10.3390/su12218768.

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Tidal stream turbines fixed on the seabed can harness the power of tides at locations where the bathymetry and/or coastal geography result in high kinetic energy levels of the flood and/or neap currents. In large turbine arrays, however, avoiding interactions between upstream turbine wakes and downstream turbine rotors may be hard or impossible, and, therefore, tidal array layouts have to be designed to minimize the power losses caused by these interactions. For the first time, using Navier-Stokes computational fluid dynamics simulations which model the turbines with generalized actuator disks

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Geetha, Dr K. S., Deepika M, Mrudhul M J, and S. Vedram. "Localization of a Robot on FPGA with 5-Stage Pipeline RISC-V CPU." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 03 (2025): 1–9. https://doi.org/10.55041/ijsrem42440.

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Custom silicon offers an untapped opportunity for addressing complex challenges in robotics by providing optimized performance and energy efficiency. RISC-V—a novel, open- source Instruction Set Architecture (ISA)—has been gaining rapid traction due to its flexibility and customizability. In this work, we explore the capabilities of RISC-V in the robotics do- main by implementing a complete localization and motion control solution on an FPGA. Leveraging the reconfigurability of FPGAs alongside the extensibility of a custom five-stage pipelined RISC- V processor, our approach demonstrates signi

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Min, Chang-Ki, Inhyuk Nam, Haeryong Yang, et al. "Hard X-ray self-seeding commissioning at PAL-XFEL." Journal of Synchrotron Radiation 26, no. 4 (2019): 1101–9. http://dx.doi.org/10.1107/s1600577519005460.

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A wake monochromator based on a large-area diamond single crystal for hard X-ray self-seeding has been successfully installed and commissioned in the hard X-ray free-electron laser (FEL) at the Pohang Accelerator Laboratory with international collaboration. For this commissioning, the self-seeding was demonstrated with a low bunch charge (40 pC) and the nominal bunch charge (180 pC) of self-amplified spontaneous emission (SASE) operation. The FEL pulse lengths were estimated as 7 fs and 29.5 fs, respectively. In both cases, the average spectral brightness increased by more than three times com

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Liu, Xiaohao, Zhaobin Li, Xiaolei Yang, Duo Xu, Seokkoo Kang, and Ali Khosronejad. "Large-Eddy Simulation of Wakes of Waked Wind Turbines." Energies 15, no. 8 (2022): 2899. http://dx.doi.org/10.3390/en15082899.

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The wake dynamics of a wind turbine are influenced by the atmospheric turbulence and the wake of its upwind turbine. In this work, we investigate the wake characteristics of a waked wind turbine for four different downwind spacings and three different inflows using large-eddy simulation with a turbine parameterized using the actuator surface model. The wake statistics of the waked turbine are compared with those of the stand-alone wind turbine under the same inflow. The results show that the oncoming wake significantly affects the near wake of the waked turbine, where it accelerates the wake r

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Yu, Xiaoyan, Qing Jia, and Zhigang Yang. "Comprehensive Study of the Aerodynamic Influence of Ground and Wheel States on the Notchback DrivAer." Energies 15, no. 3 (2022): 1124. http://dx.doi.org/10.3390/en15031124.

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This paper conducts an analysis of the aerodynamic influence of different ground and wheel states on the Notchback DrivAer by numerical simulation. The effects of the moving ground and rotating wheels are investigated individually and comprehensively. Experimental data are also included for validation. Through this study, a unique and important low-drag state is observed, in which the vehicle wake near the center region becomes more symmetrical, the pressure on the upper middle base is recovered and the total aerodynamic drag decreases significantly. Furthermore, the formation of this state is

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Ouyang, Xiaoqing, Zhijun Lei, Hanliu Deng, et al. "Influence of Upstream Sweeping Wake Number on the Unsteady Flow Mechanism in an Integrated Aggressive Intermediate Turbine Duct." Machines 11, no. 7 (2023): 728. http://dx.doi.org/10.3390/machines11070728.

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This paper focuses on the dynamic internal flow in the integrated aggressive intermediate turbine duct (AITD) with different HPT wake numbers, using CFX Solver with dynamic Reynolds-averaged Navier–Stokes equations (RANS), the shear stress transmission κ-ω turbulence model (SST) and the γ-θ transition model. The HPT wakes are simulated using sweeping rods, with the number of rods ranging from 14 to 56 and a reduced frequency of 1.07. The increasing wake number reduces the radial pressure gradient in the integrated AITD, and then decelerates the radial migration and dissipation of wake vortices

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Thamrin, Nurafiza, and Arie Wahyu Wijayanto. "Comparison of Soft and Hard Clustering: A Case Study on Welfare Level in Cities on Java Island." Indonesian Journal of Statistics and Its Applications 5, no. 1 (2021): 141–60. http://dx.doi.org/10.29244/ijsa.v5i1p141-160.

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The National Medium Term Development Plan 2020-2024 states that one of the visions of national development is to accelerate the distribution of welfare and justice. Cluster analysis is analysis that grouping of objects into several smaller groups where the objects in one group have similar characteristics. This study was conducted to find the best clustering method and to classify cities based on the level of welfare in Java. In this study, the cluster analysis that used was hard clustering such as K-Means, K-Medoids (PAM and CLARA), and Hierarchical Agglomerative as well as soft clustering su

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Yamanaka, Yujiro, Satoko Hashimoto, Yusuke Tanahashi, Shin-ya Nishide, Sato Honma, and Ken-ichi Honma. "Physical exercise accelerates reentrainment of human sleep-wake cycle but not of plasma melatonin rhythm to 8-h phase-advanced sleep schedule." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 298, no. 3 (2010): R681—R691. http://dx.doi.org/10.1152/ajpregu.00345.2009.

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Effects of timed physical exercise were examined on the reentrainment of sleep-wake cycle and circadian rhythms to an 8-h phase-advanced sleep schedule. Seventeen male adults spent 12 days in a temporal isolation facility with dim light conditions (<10 lux). The sleep schedule was phase-advanced by 8 h from their habitual sleep times for 4 days, which was followed by a free-run session for 6 days, during which the subjects were deprived of time cues. During the shift schedule, the exercise group ( n = 9) performed physical exercise with a bicycle ergometer in the early and middle waking per

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Livres sur le sujet "Hard- ware accelerator"

Mauldin, Erin Stewart. Facing Limits. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190865177.003.0006.

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Changes in land use combined with ecological factors meant that many farmers’ land required too many inputs to remain profitable. Farmers had to plant cotton to pay for the fertilizer, seed, and provisions they needed to plant cotton. Had the subsistence economy existed as it had before the war, southern farmers might have used common spaces to raise provisions or livestock. Instead, sharecropping and tenancy created an ecological feedback loop that kept cotton farmers chained to that crop despite diminishing returns. By the 1880s, the South was producing more cotton than ever before, but the

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Phillips, Jason. Anticipations. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190868161.003.0006.

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This chapter explains how anticipations of war in 1861 raised passions among people who sensed a rare chance to make history if they had the courage and foresight to seize the historical moment. Sounds of looming war—shrill voices, loud drumming, and marching tunes—stirred feelings of forward movement, bloodshed, and an acceleration of history. A host of people felt this way, from career military officers and radical reformers to Republican office holders and southern nationalists. When thousands of volunteers and runaways anticipated these opportunities by racing to the battlefront, they shap

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Kelsall, Tim, and Heng Seiha. Not Minding the Gap. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198801641.003.0005.

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This chapter analyses patterns of growth in Cambodia. Over the past forty years, Cambodia has had one of the world’s most volatile growth experiences. A prolonged economic collapse between 1970 and 1982 was followed by a gradual but unstable recovery up until 1998, while post-1998 saw another growth acceleration and sustained high growth. While growth collapse can be traced to the failure of Prince Sihanouk’s post-independence political settlement, war, and the disastrous Khmer Rouge regime, growth acceleration and maintenance has been based on a political settlement which has created a balanc

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Kinney, Jeff. Gureggu no dame nikki: Wake ga wakaranai yo! 2015.

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Palmer, R. R. America: Democracy Native and Imported. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691161280.003.0031.

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This chapter first discusses the impact of the French Revolution on the United States. The development was twofold. On the one hand, there was an acceleration of indigenous movements. On the other, there was an influence that was unquestionably foreign. The latter presented itself especially with the war that began in Europe in 1792, and with the clash of armed ideologies that the war brought with it. The warring powers in Europe, which for Americans meant the governments of France and Great Britain, attempted to make use of the United States for their own advantage. Different groups of Americ

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Anderson, Jeffrey J. 11. The European Union, the Soviet Union, and the End of the Cold War. Oxford University Press, 2017. http://dx.doi.org/10.1093/hepl/9780199570829.003.0012.

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This chapter examines the connection between German unification and the economic and monetary union (EMU), with particular emphasis on the relationship between the acceleration of European integration in the late 1980s and the seismic geopolitical shifts in Central and Eastern Europe, culminating in the collapse of the Soviet Union in 1991. Following a review of relations between the European Community (EC) and the Soviet Union on the eve of those momentous events, the chapter explains how the rapid integration in Western Europe became intertwined with disintegration in Central and Eastern Eur

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Mauldin, Erin Stewart. Unredeemed Land. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190865177.001.0001.

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An important reconsideration of the Civil War’s role in southern history, Unredeemed Land examines the ways that military conflict and emancipation reconfigured the landscape of the rural South, and uncovers the environmental constraints that shaped the rural South’s transition to capitalism during the late nineteenth century. Dixie’s “King Cotton” required extensive land-use techniques, fresh soil, and slave-based agriculture in order to remain profitable. But wartime destruction and the rise of the contract labor system closed off those possibilities and necessitated increasingly intensive c

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Davies, Aled. The City of London and Social Democracy. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198804116.001.0001.

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The City of London and Social Democracy: The Political Economy of Finance in Post-War Britain evaluates the changing relationship between the United Kingdom financial sector (colloquially referred to as ‘the City of London’) and the post-war social democratic state. The key argument made in the book is that changes to the British financial system during the 1960s and 1970s undermined a number of the key components of social democratic economic policy practised by the post-war British state. The institutionalization of investment in pension and insurance funds; the fragmentation of an oligopoli

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Raskin, Marcus, and Robert Spero. The Four Freedoms under Siege. Praeger, 2006. http://dx.doi.org/10.5040/9798400653360.

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The authors address the hard questions of individual freedom versus national security that are on the minds of Americans of all political stripes. They bring together the pivotal events, leaders, policies, and fateful decisions—often path-breaking, more often ending in folly—that have subverted our constitutional government from its founding. You reach the inescapable conclusion, the authors write, that the United States is a warrior nation, has been addicted to war from the start, and is able to sustain its warfare habit only by mugging American taxpayers, and believing in its mission as God'

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Hallam, Lindsay. Twin Peaks: Fire Walk with Me. Liverpool University Press, 2018. http://dx.doi.org/10.3828/liverpool/9781911325642.001.0001.

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When David Lynch's film Twin Peaks: Fire Walk with Me, a prequel to the television series Twin Peaks, premiered at the 1992 Cannes Film Festival, it was met with met with outright hostility. Subsequent reviews from critics were almost unanimously negative, and many fans of the show felt betrayed, as their beloved town was suddenly revealed as a personal hell. Yet in the years since the film's release, there has begun to be a gradual wave of reappraisal and appreciation, one that accelerated with the broadcast of Twin Peaks: The Return in 2017. What has been central to this reevaluation is the

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Chapitres de livres sur le sujet "Hard- ware accelerator"

Lehner, Matthias, Jessika Luth Richter, and Oksana Mont. "Digitalization: A Potential Tool for Sustainable Consumption?" In The Future of Consumption. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-33246-3_12.

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AbstractGiven the outsized impact that digitalization has had on consumption over the last two decades, the lack of academic interest in sustainable consumption is noteworthy. In this book chapter, we set the scene for the fundamentally important discussion about how digitalization affects consumption. We ask whether digitalization is a positive or a negative force for shaping consumption levels and patterns in a sustainable direction. We organize our discussion around three waves of digitalization that impact consumption and we discuss the implications of these for sustainability. During the

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de Jong, Michiel. "Arms Exports and Export Control of the Dutch Republic 1585–1621." In NL ARMS. T.M.C. Asser Press, 2021. http://dx.doi.org/10.1007/978-94-6265-471-6_16.

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AbstractThe Dutch Republic underwent a process of state formation, accelerated economic growth and military reforms during the Eighty Years War. In particular between 1585 and 1621, Dutch merchant-entrepreneurs built up a burgeoning arms industry and sector of arms exports. These exports required a system of passports, still an under-researched theme in current literature, organized by the States-General and admiralties in order to support exports to neutral and allied states, but to forestall these did not fall into enemy hands. In particular, the system of passports shows how merchants, acti

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Dai, Jian, and Paban Acharya. "Evaluation of Train Travel Inside Submerged Floating Tunnel Under Wave Loads." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_98.

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AbstractRailway trains are an efficient mode of transportation for passengers and goods in large quantities. The planning of railway lines, however, needs to take the complex terrain into account. For areas with land parcels separated by wide and deep water bodies, the railway connection is even more challenging. Submerged floating tunnels (SFTs), on the other hand, become an appealing option to connect the separated land parcels. They utilize the natural water buoyancy to support the weight and payloads of the structure and traffic. They have a much lower dependency on the seabed conditions a

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Dillet, Benoît. "Deleuze's Transformation of the Ideology-Critique Project." In Deleuze and the Passions. punctum books, 2016. https://doi.org/10.21983/p3.0161.1.08.

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Fifty years after the publication of Reading Capital by Louis Al-thusser and his students, the political landscape is unrecogniz-able. We are immersed in economic parlance, from politicians, experts, and intellectuals: everyone claims to know best how to control the deficit, how to regulate the banking systems, how to stop the flows of tax evasion, etc. Although the press has per-haps been too quick at pointing out the resurgence of Karl Marx and Marxist thought in the wake of the economic crisis, we are nonetheless witnessing a certain turn to political economy in continental philosophy. It i

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Tate, Cassandra. "The Little White Slaver Goes to War." In Cigarette Wars. Oxford University PressNew York, NY, 1999. http://dx.doi.org/10.1093/oso/9780195118513.003.0004.

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Abstract Cigarettes began to move into the mainstream of American culture U’ l ring World War I. By 1920, they accounted for 20 percent of the total tobacco consumption in the United States, compared to less than 7 percent in I9 I 4. The war did not initiate this change, but it accelerated it, Millions of American soldiers smoked cigarettes given to them during the war as a gesture of support by their government, by civic organizations, and by ordinary citizens, This helped transform what was once a manifestation of moral weakness into a jaunty emblem of freedom and democracy. By wrapping ciga

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Schaffer, Ronald. "The Great War and the Equality Issue: African-Americans and Women." In America In The Great War. Oxford University PressNew York, NY, 1991. http://dx.doi.org/10.1093/oso/9780195049039.003.0006.

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Abstract When America began its crusade to free the victims of German autocracy, millions of its own black citizens, oppressed by poverty, segregation, political impotence, and violence, were badly in need of liberation. Yet even before the United States became a belligerent, the Great War had begun to change their lives. War accelerated a migration of rural blacks to the cities, particularly to large industrial cities in the North.

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MacDonald, Paul K., and Joseph M. Parent. "Tsar Power." In Twilight of the Titans. Cornell University Press, 2018. http://dx.doi.org/10.7591/cornell/9781501717093.003.0010.

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This chapter analyzes Russia's ambivalent responses to decline at the turn of the century. Overall, Russian pursued retrenchment policies that helped lay the foundations for its resurgence after World War I, but retrenchment was accelerated by blundering into the Russo-Japanese War and undermined by the Bosnian crisis. Structural conditions, such as the belief that the conquest calculus rewarded attack, help explain why retrenchment was hard to maintain, but many of the errors were self-inflicted by a recalcitrant tsar, who was at odds with much of mass and elite opinion.

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Schneidau, Herbert N. "Ezra Pound:The Archaeology of the Immanent." In Waking Giants. Oxford University PressNew York, NY, 1991. http://dx.doi.org/10.1093/oso/9780195068627.003.0006.

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Abstract The decisive moment in the history of Modernism’s self-definitions came just before the First World War, when the Vorticists, led by Wyndham Lewis and Ezra Pound, rejected an alliance with the Futurists, led by Filippo Marinetti. Marinctti had come to England to propagandize for his noisily nihilistic demands that the entire past of Western culture be scrapped, museums destroyed, and so forth; he sought to broaden the base of his movement, though its natural locus was Italy, where (as he complained) the whole country was a museum. The Vorticists had initially welcomed Futurism’s strid

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Renaud, Terence. "Social Democratic Modernization." In New Lefts. Princeton University Press, 2021. http://dx.doi.org/10.23943/princeton/9780691220819.003.0007.

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This chapter explores social democratic modernization. Economic recovery went unevenly across Western Europe, but it had the help of the US Marshall Plan wherein post-war economies regained or surpassed their pre-war levels of production. Soviet efforts at postcolonial development acted as a powerful accelerator of modernization. Capitalism thrived as well. The chapter also highlights how the perceptions of social classes changed as employers and employees entered a mutually beneficial social partnership. It highlights the contributions of Richard Löwenthal and Fritz Erler to social democratic

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Ferreira C., Martins J.P., and Gomes Correia A. "Determination of the small-strain stiffness of hard soils by means of bender elements and accelerometers." In Proceedings of the 15th European Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-801-4-179.

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Direct determination of seismic wave velocities in the laboratory is becoming common practice worldwide, given its great potential in the definition of the stiffness at very small strains. One of the techniques for seismic wave measurement makes use of piezoelectric transducers, such as bender elements (BEs). However, some limitations remain to the applicability of this technique, namely for stiff geomaterials, such as compacted soils, naturally or artificially cemented soils and soft or weak rocks. For this purpose, two accelerometers have been used in conjunction with BEs. In the present pap

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Actes de conférences sur le sujet "Hard- ware accelerator"

Lavrentiev, Mikhail, Konstantin Lysakov, Andrey Marchuk, and Konstantin Oblaukhov. "GREEN SUPERCOMPUTING � CALCULATING TSUNAMI WAVE PROPAGATION." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/4.2/s19.41.

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Nowadays, the use of supercomputing for solving almost any task ranging from industrial to the ecological ones has been increasing. It should be noted that this requires lots of energy, which negatively affects the environment and is costly. However, in a number of cases it is possible to achieve high performance calculations without the use of supercomputers but instead by relying on special processors, focused on a particular class of tasks. While optimizing the computational pipeline for a particular mathematical model, the modern Field Programmable Gates Array (FPGA) platform provides an o

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Ashok, Shreyas, and Juergen Rauleder. "Towards Real-Time Coupled Ship-Rotorcraft Interactional Simulations using GPU-Accelerated Lattice-Boltzmann Method." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1346.

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Many traditional ship-rotorcraft interactional simulation approaches, including those used for pilot training, use a one-way coupling between aerodynamics and flight dynamics. In a one-way coupled method, the standalone ship airwake is superimposed on the rotor, modifying its inflow. However, because the rotor wake does not alter the ship airwake in such a simulation, one-way coupling may not capture all relevant phenomena, such as dynamic ground and wall effects; two-way fully-coupled simulations may be needed. In this study, one- and two-way coupled realtime and near-real-time simulation mod

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Tanner, Neal A., and Gu¨nter Niemeyer. "High Frequency Acceleration Feedback in Wave Variable Telerobotics." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-81606.

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The human hand is very sensitive to the high frequency accelerations produced by tool contact with a hard object, yet most time delayed telerobots neglect this feedback band entirely in order to achieve stability. We present a control architecture that both incorporates this important information and provides the ability to scale and shape it independently of the low frequency force feedback. Leveraging the clean power flows afforded by wave variables, this augmented controller preserves the passivity of any environment that it renders to the user but is not subject to the limitations of being

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Wang, Ting, and F. Jeffrey Keller. "Intermittent Flow and Thermal Structures of Accelerating Transitional Boundary Layers: Part 1 — Mean Quantities." In ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/97-gt-402.

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A conditional sampling technique was employed to separate the turbulent and non-turbulent parts of accelerated boundary layers undergoing laminar-turbulent transition on a uniformly heated flat plate. Tests were conducted with zero pressure gradient and two levels of streamwise acceleration parameter: K = 0.07 ×10−6 and 0.16 × 10−6. The conditionally sampled distribution of the skin friction coefficients revealed that the values for Cf in the non-turbulent and turbulent portions significantly deviated from the respective laminar and turbulent correlations. These deviations increased as acceler

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Liu, Baojiang, Litang Yan, Qihan Li, and Zigen Zhu. "Vibration of a Rotor With Extremely Nonlinear Stiffness Passing Through Critical Speeds." In ASME 1993 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/93-gt-027.

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Soft spring nonlinearity refers to supporting stiffness becomes smaller with increase of vibratory displacements. In this paper, transient response and subharmonic vibration of a rotor with extremely soft nonlinear spring characteristics are investigated. A simple but exact computer model of the phenomena has been evolved based on the numerical integration of a finite difference formulation. Response curves and wave forms of the rotor vibration passing through critical speeds are computed. The subharmonic vibration of the rotor with soft nonlinear spring characteristics has been observed by sp

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Pegalajar-Jurado, Antonio, and Henrik Bredmose. "Accelerated Hydrodynamic Analysis for Spar Buoys With Second-Order Wave Excitation." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18910.

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Abstract The simplified numerical models commonly employed for the pre-design of floaters for offshore wind only include linear wave loads, due to the higher computational effort required by second-order methods. Second-order hydrodynamics, on the other hand, need to be considered from an early stage, since they cause resonance of the moored structure. In the present study, we introduce a new method to include second-order inviscid hydrodynamic loads at a computational cost similar to linear loads. We compare the accelerated method to standard second-order diffraction theory and to second-orde

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Georgiou, Ioannis T. "Reduction of the Impact-Induced Experimental Dynamics of a Foam-Filled Thin-Walled Aluminum Beam Interacting With Water." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62887.

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We applied a novel sensing and data processing technique to analyze the water-interaction dynamics of a thin-walled aluminum beam filled with micro-structured material. The spatial impulse response is sensed at three spatial points in the form of ensembles of collocated acceleration signals. Processed by the powerful POD Transforms, the modal-like decomposition of collocated acceleration signals provides interesting insight on the nature of impulse-induced vibrations of this complex structure-water system. When not interacting with water, the point impulse excited structure vibrates in a domin

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Özbay, Ekmel, Burak Temelkuran, M. Sigalas, G. Tuttle, C. M. Soukoulis, and K. M. Ho. "Reflection Properties and Defect Formation in Metallic Photonic Crystals." In Quantum Optoelectronics. Optica Publishing Group, 1997. http://dx.doi.org/10.1364/qo.1997.qtha.1.

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Photonic crystals are three-dimensional periodic dielectric structures where the propagation of electromagnetic (EM) waves can be forbidden for a certain range of frequencies.1-2 Early attempts to use these structures in applications like thresholdless semiconductor lasers and single-mode light-emitting diodes have suffered from the difficulties associated with fabricating sub-micron features needed to achieve a band gap at optical frequencies. On the other hand, fabricating photonic band gap (PBG) structures at microwave and millimeter-wave scales3 have been more successful, with numerous dem

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Spring, Peter, Lino Guzzella, and Christopher H. Onder. "Optimal Control Strategy for a Pressure-Wave Supercharged SI Engine." In ASME 2003 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ices2003-0645.

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On the basis of a control-oriented mean-value model of a spark-ignition engine supercharged with a pressure-wave supercharger, this paper introduces an operation strategy which minimizes the torque response time to driver commands. Since in pressure-wave superchargers fresh air and exhaust gas are in direct contact in the cell wheel, unwanted and excessive exhaust gas recirculation over the pressure-wave supercharger has to be limited by appropriate control actions. The most critical situation arises when large amounts of exhaust gas are recirculated during a hard acceleration, which causes th

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Zeng, Xiangyin, Jiangqi He, and Baoshu Xu. "Accelerated Convergence for Lumped-Elements Based on-Package RF Passives Design by Using Curve Fitted Formula." In ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/ipack2005-73308.

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Integrating passive components on package is getting more and more attractive. To speed up the lumped-elements-based RF functional blocks, like filters, matching networks and so on, fast synthesis of these lumped elements is necessary. Traditional synthesis method like try-error-try again is not only time consuming but also hard to find an optimal one. This is especially true for spiral inductor design due to many tunable parameters. Design based on library has also some disadvantages, such as lack of information of manufacture tolerances’ impact. This paper describes an optimal synthesis meth

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Rapports d'organisations sur le sujet "Hard- ware accelerator"

Vargas-Herrera, Hernando, Juan Jose Ospina-Tejeiro, Carlos Alfonso Huertas-Campos, et al. Monetary Policy Report - April de 2021. Banco de la República de Colombia, 2021. http://dx.doi.org/10.32468/inf-pol-mont-eng.tr2-2021.

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1.1 Macroeconomic summary Economic recovery has consistently outperformed the technical staff’s expectations following a steep decline in activity in the second quarter of 2020. At the same time, total and core inflation rates have fallen and remain at low levels, suggesting that a significant element of the reactivation of Colombia’s economy has been related to recovery in potential GDP. This would support the technical staff’s diagnosis of weak aggregate demand and ample excess capacity. The most recently available data on 2020 growth suggests a contraction in economic activity of 6.8%, lowe

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Monetary Policy Report - July de 2021. Banco de la República, 2021. http://dx.doi.org/10.32468/inf-pol-mont-eng.tr3-2021.

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Macroeconomic summary The Colombian economy sustained numerous shocks in the second quarter, pri¬marily related to costs and supply. The majority of these shocks were unantic¬ipated or proved more persistent than expected, interrupting the recovery in economic activity observed at the beginning of the year and pushing overall inflation above the target. Core inflation (excluding food and regulated items) increased but remained low, in line with the technical staff’s expectations. A third wave of the pandemic, which became more severe and prolonged than the previous outbreak, began in early Apr

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Monetary Policy Report - January 2023. Banco de la República, 2023. http://dx.doi.org/10.32468/inf-pol-mont-eng.tr1-2023.

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1. Macroeconomic Summary In December, headline inflation (13.1%) and the average of the core inflation measures (10.3%) continued to trend upward, posting higher rates than those estimated by the Central Bank's technical staff and surpassing the market average. Inflation expectations for all terms exceeded the 3.0% target. In that month, every major group in the Consumer Price Index (CPI) registered higher-than-estimated increases, and the diffusion indicators continued to show generalized price hikes. Accumulated exchange rate pressures on prices, indexation to high inflation rates, and sever

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