Literatura científica selecionada sobre o tema "Forced proximity"

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Artigos de revistas sobre o assunto "Forced proximity"

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Jacob, Céline, Nicolas Guéguen, and Gaëlle Boulbry. "Geographic Proximity of Products and Preference: A Forced-Choice Evaluation." Journal of Food Products Marketing 23, no. 6 (2016): 717–22. http://dx.doi.org/10.1080/10454446.2015.1121423.

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Koizumi, Naoki, and Takayuki Ishida. "Forced proximity of nitroxide groups in pincer compounds with a xanthene spacer." Tetrahedron Letters 58, no. 29 (2017): 2804–8. http://dx.doi.org/10.1016/j.tetlet.2017.06.004.

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Zhang, M., and G. Bergmann. "Forced localization in thin K films, investigated with the superconducting proximity effect." Europhysics Letters (EPL) 69, no. 3 (2005): 442–46. http://dx.doi.org/10.1209/epl/i2004-10349-4.

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Mohsenzadeh, Afshin, Mousa Farhadi, and Kurosh Sedighi. "Convective cooling of tandem heated triangular cylinders placed in a channel." Thermal Science 14, no. 1 (2010): 183–97. http://dx.doi.org/10.2298/tsci1001183m.

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Numerical simulations of forced convective incompressible flow in a horizontal plane channel with adiabatic walls over two isothermal tandem triangular cylinders of equal size are presented to investigate the effect of wall proximity of obstacles, gap space (i.e. gap between two squares), and Reynolds number. Computations have been carried out for Reynolds numbers of (based on triangle width) 100, 250, and 350. Results show that, wall proximity has different effect on first and second triangle in fluid characteristics especially in lower gap spaced, while for heat transfer a fairly same behavi
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Hossain, A. N. M. Zakir. "Geopolitics of Rohingya Refugee Crisis and Regional Security." International Journal of Safety and Security Engineering 12, no. 2 (2022): 167–77. http://dx.doi.org/10.18280/ijsse.120204.

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Millions of Rohingya were forced to flee their home and became effectively stateless due to countless violations and vulnerabilities in Myanmar. Their future has become jeopardized with a profusion of uncertainties; however, like other displaced people, Rohingya also got media attention when disaster and conflicts forced them to flee. This study aims to explore and classify the determinant factors that push the Myanmar government to force the Rohingya to flee. It also explores the indicators that moulded the South and Southeast Asian geopolitics. The research intends to categorize the conditio
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Hoh, Nicholas J., and Roseanna N. Zia. "The impact of probe size on measurements of diffusion in active microrheology." Lab on a Chip 16, no. 16 (2016): 3114–29. http://dx.doi.org/10.1039/c6lc00476h.

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A framework to study the influence of polydispersity on flow-induced diffusion in active microrheology is presented. It is found that diffusive behavior is set entirely and dually by the proximity with which two particles can approach one another, and by the extent to which this minimum approach distance is occupied by the hydrodynamic size of the forced particle.
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McNeilly, Hannah, and Koreen M. Reece. "‘Everybody’s Always Here with Me!’." Anthropology in Action 27, no. 3 (2020): 18–21. http://dx.doi.org/10.3167/aia.2020.270304.

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Social distancing has been the central public health strategy for tackling the coronavirus pandemic worldwide. But the ‘Stay Home, Stay Safe’ order in the United Kingdom and the consequent closure of nurseries and schools also created an unprecedented degree of proximity within households. Based on interviews with mothers of young children in Scotland, this article provides early insight into the ways that mothers manage the forced intimacies of family life under lockdown and the opportunities they create through the innovative management of space and time. The result is a more expansive under
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Lu, Cian-Tong, Zhi-Yan Zhu, Sheng-Wen Chen, Yu-Ling Chang, and Kan-Lin Hsueh. "Effects of Cell Design Parameters on Zinc-Air Battery Performance." Batteries 8, no. 8 (2022): 92. http://dx.doi.org/10.3390/batteries8080092.

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Zn-air batteries have attracted considerable attention from researchers owing to their high theoretical energy density and the abundance of zinc on Earth. The modification of battery component materials represent a common approach to improve battery performance. The effects of cell design on cell performance are seldom investigated. In this study, we designed four battery structures as follows. Cell 1: close-proximity electrode, Cell 2: equal-area electrode, Cell 3: large zinc electrode, and Cell 4: air channel flow. The effects of four factors: (1) carbon paste, (2) natural and forced air con
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Rivière, Gwendal, Ségolène Berthou, Guillaume Lapeyre, and Masa Kageyama. "On the Reduced North Atlantic Storminess during the Last Glacial Period: The Role of Topography in Shaping Synoptic Eddies." Journal of Climate 31, no. 4 (2018): 1637–52. http://dx.doi.org/10.1175/jcli-d-17-0247.1.

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The North Atlantic storminess of Last Glacial Maximum (LGM) fully coupled climate simulations is generally less intense than that of their preindustrial (PI) counterparts, despite having stronger baroclinicity. An explanation for this counterintuitive result is presented by comparing two simulations of the IPSL full climate model forced by Paleoclimate Modelling Intercomparison Project Phase 3 (PMIP3) LGM and PI conditions. Two additional numerical experiments using a simplified dry general circulation model forced by idealized topography and a relaxation in temperature provide guidance for th
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Spratt, Robbie. "Intimacy as Transparency." Columbia Journal of Literary Criticism 18, no. 1 (2021): 38–42. http://dx.doi.org/10.52214/cjlc.v18i1.8767.

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In this essay, I use the term “intimacy” to refer to a sentiment of emotional proximity between two or more people. For queer theorist Lauren Berlant, intimacy principally “involves an aspiration for a narrative about something shared, a story about both oneself and others that will turn out a particular way” (281). At its core, an intimate practice is one that allows individuals to share themselves, to know each other more closely, and to work towards a narrative together. In the French society of the 1990s, the dominant heteronormative narrative deemed marriage and sex the most intimate acts
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Teses / dissertações sobre o assunto "Forced proximity"

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Rodriguez, Richard Yi. "Characterization of sway forces induced by close proximity ship towing." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02Mar%5FRodriguez.pdf.

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Tamefuji, Rieko. "The impact of child care proximity on labor force participation of parents." CONNECT TO ELECTRONIC THESIS, 2008. http://hdl.handle.net/1961/6990.

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Hartmann, Michael [Verfasser], and Gert-Ludwig [Akademischer Betreuer] Ingold. "Casimir effect in the plane-sphere geometry: Beyond the proximity force approximation / Michael Hartmann ; Betreuer: Gert-Ludwig Ingold." Augsburg : Universität Augsburg, 2018. http://d-nb.info/1179089952/34.

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Truscott, Anthony D. "Low temperature scanning tunneling spectroscopy of proximity effect junctions formed on the layered superconductors NbSe₂ and Bi₂Sr₂Ca₁Cu₂O₈ /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC IP addresses, 1999. http://wwwlib.umi.com/cr/ucsd/fullcit?p9930908.

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Le, Sueur Hélène. "Développement d’un AFM-STM pour la spectroscopie électronique haute résolution de nanocircuits : application à l’effet de proximité supraconducteur." Paris 6, 2007. http://www.theses.fr/2007PA066236.

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La spectroscopie électronique basée sur l’effet tunnel donne accès à la densité d’états des électrons (DoS) dans les matériaux conducteurs, et renseigne ainsi en détail sur leurs propriétés électroniques. Au cours de cette thèse, nous avons développé un microscope permettant d’effectuer la spectroscopie tunnel résolue spatialement (10 nm) de nanocircuits individuels, avec une résolution en énergie inégalée (10 µeV). Cet appareil combine les fonctions de Microscopie par Force Atomique (mode AFM) et de spectroscopie Tunnel locale (mode STM), et fonctionne à 30 mK. Dans le mode AFM, la topographi
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Petit, Antoine. "Robust visual detection and tracking of complex objects : applications to space autonomous rendez-vous and proximity operations." Phd thesis, Université Rennes 1, 2013. http://tel.archives-ouvertes.fr/tel-00931604.

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In this thesis, we address the issue of fully localizing a known object through computer vision, using a monocular camera, what is a central problem in robotics. A particular attention is here paid on space robotics applications, with the aims of providing a unified visual localization system for autonomous navigation purposes for space rendezvous and proximity operations. Two main challenges of the problem are tackled: initially detecting the targeted object and then tracking it frame-by-frame, providing the complete pose between the camera and the object, knowing the 3D CAD model of the obje
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Demir, Serhat. "Diffusion of Police Technology across Time and Space and the Impact of Technology Use on Police Effectiveness and Its Contribution to Decision-Making." Kent State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=kent1238602124.

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Genet, Cyriaque. "La force de Casimir entre deux miroirs métalliques à température non nulle." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2002. http://tel.archives-ouvertes.fr/tel-00001749.

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Nous étudions la force de Casimir entre deux miroirs métalliques à température non nulle. Nous développons les outils théoriques nécessaires à une évaluation précise de cette force et qui permettent une comparaison de haute précision avec les mesures expérimentales récentes. A partir de la notion de réseau optique, nous caractérisons la diffusion des fluctuations du vide électromagnétique sur une cavité Fabry-Perot et calculons la force de Casimir comme la différence des pressions de radiation exercées par ces fluctuations à l'intérieur et à l'extérieur de la cavité. L'effet de réflexion impar
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Razafindramanana, Octavio. "Low-dimensional data analysis and clustering by means of Delaunay triangulation." Thesis, Tours, 2014. http://www.theses.fr/2014TOUR4033/document.

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Les travaux présentés et discutés dans cette thèse ont pour objectif de proposer plusieurs solutions au problème de l’analyse et du clustering de nuages de points en basse dimension. Ces solutions s’appuyent sur l’analyse de triangulations de Delaunay. Deux types d’approches sont présentés et discutés. Le premier type suit une approche en trois-passes classique: 1) la construction d’un graphe de proximité contenant une information topologique, 2) la construction d’une information statistique à partir de ce graphe et 3) la suppression d’éléments inutiles au regard de cette information statistiq
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Cunha, João Miguel Neto. "O uso das ferramentas de comunicação digital na promoção de uma política de proximidade nas Forças de Segurança Portuguesas - Estudo comparativo entre PSP e GNR." Master's thesis, Instituto Superior de Ciências Sociais e Políticas, 2020. http://hdl.handle.net/10400.5/21501.

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Dissertação de Mestrado em Comunicação Social, vertente de Comunicação Estratégica<br>A evolução da tecnologia lançou novos desafios à comunicação entre as pessoas, o que obrigou as organizações a responderem de igual forma. Os novos canais e espaços onde a comunicação se desenrola, como é o caso dos social media e de outras plataformas digitais, permitem às organizações, através das relações públicas, encetar novas interacções com os seus públicos. As relações entre ambos passam a ser interactivas e participativas e não unidireccionais, como acontece com as mensagens veiculadas nos media trad
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Livros sobre o assunto "Forced proximity"

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Sharp, Jillian. Uncharted Desires: A Forced Proximity, Rockstar Romance. Peace, Love & Read Publishing, 2024.

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Healing Conviction: A Forced Proximity Romantic Suspense. Blue Ghost Publishing, LLC, 2021.

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Lacoy, Dakota. My Daring Texan: A Forced Proximity Romance. Pressing Matters Publishing Co., Inc., 2023.

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Lured: An Arranged Marriage Forced Proximity Romance. Crave Publishing, 2023.

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NEY, SARA. The Player Hater: A Forced Proximity Standalone. Independently published, 2022.

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Winging It: A Forced Proximity Travel Romance. NB Creative, 2024.

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Lacoy, Dakota. My Daring Texan: A Forced Proximity Romance. Pressing Matters Publishing Co., Inc., 2023.

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Rivers, Greer, My Brother's Editor, and Cover Me Darling. Healing Conviction: A Forced Proximity Romantic Suspense. Blue Ghost Publishing, LLC, 2021.

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Rivers, Greer, My Brother's Editor, and Cover Me Darling. Healing Conviction: A Forced Proximity Romantic Suspense. Blue Ghost Publishing, LLC, 2021.

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Lacoy, Dakota. My Daring Texan: A Forced Proximity Romance. Pressing Matters Publishing Co., Inc., 2023.

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Capítulos de livros sobre o assunto "Forced proximity"

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Geropanta, Vasiliki, and Riccardo Porreca. "The Concept of Proximity in Post-pandemic Architectural Thinking: 15-Minute City and Superblocks." In COVID-19 (Forced) Innovations. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-56607-3_3.

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Carron, Djemila, and Paul O’Keeffe. "Education Can’t Wait for LGBTIQ Refugees? Exploring Inclusion and Access to Higher Education in Kakuma Refugee Camp." In Migration, Displacement, and Higher Education. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-12350-4_6.

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AbstractHigher education in refugee contexts has, in recent years, emerged as a key humanitarian response and development imperative within the international forced migration management space (ECRE 2016). Humanitarian organizations and authorities active in the global forced migration management system have, to varying degrees, instituted and facilitated access to higher education opportunities for many refugees within the confines of refugee camps or the close proximity of host communities (Ferede 2018). Under the broad, sometimes vague, guidance of global development initiatives such as the sustainable development goals (Sawadogo 2016), the raison d’etre of higher education has been positioned as an enabling tool for the economic, social and emotional empowerment of refugees (Brugha and Hollow 2017).
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Mieling, Robin, Carolin Stapper, Stefan Gerlach, et al. "Proximity-Based Haptic Feedback for Collaborative Robotic Needle Insertion." In Haptics: Science, Technology, Applications. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06249-0_34.

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AbstractCollaborative robotic needle insertions have the potential to improve placement accuracy and safety, e.g., during epidural anesthesia. Epidural anesthesia provides effective regional pain management but can lead to serious complications, such as nerve injury or cerebrospinal fluid leakage. Robotic assistance might prevent inadvertent puncture by providing haptic feedback to the physician. Haptic feedback can be realized on the basis of force measurements at the needle. However, contact should be avoided for delicate structures. We propose a proximity-based method to provide feedback prior to contact. We measure the distance to boundary layers, visualize the proximity for the operator and further feedback it as a haptic resistance. We compare our approach to haptic feedback based on needle forces and visual feedback without haptics. Participants are asked to realize needle insertions with each of the three feedback modes. We use phantoms that mimic the structures punctured during epidural anesthesia. We show that visual feedback improves needle placement, but only proximity-based haptic feedback reduces accidental puncture. The puncture rate is 62% for force-based haptic feedback, 60% for visual feedback and 6% for proximity-based haptic feedback. Final needle placement inside the epidural space is achieved in 38%, 70% and 96% for force-based haptic, visual and proximity-based haptic feedback, respectively. Our results suggest that proximity-based haptic feedback could improve needle placement safety in the context of epidural anesthesia.
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Aleksanyan, Anna. "The Victims of “Safety”: The Destiny of Armenian Women and Girls Who Were Not Deported from Trabzon." In Documenting the Armenian Genocide. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-36753-3_3.

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AbstractGiven its proximity to the Russian border, the city of Trabzon was a strategic port for the Young Turk government against the backdrop of war with Russia. While there is an extensive body of literature about Trabzon during the Armenian Genocide, the experiences of Armenian women and girls who stayed in the city remain unexamined. This chapter draws on the Trabzon trials and survivor testimonies to explore their experiences.While Trabzon Armenians received an official order of deportation, on June 26, 1915, the Vali Cemal Azmi made an “exemption” for Armenian women in later stages of pregnancy and for children “when the parents so desired.” Girls up to 15 years old and boys up to 10 years old remained and were placed in large houses throughout the city. After four years, all male children disappeared, and the girls who survived mostly did so in Turkish households to which they were given as gifts or sold to serve as a wives, servants, or sex slaves.In 1919, the Turkish Courts-Martial brought the perpetrators of the Armenian Genocide to trial in Constantinople. Cemal Azmi, Yenibahçeli Nail, who was the Committee on Union and Progress secretary for Trabzon, and five officials who worked with him stood before the court. The charges against them included organizing and implementing the massive annihilation of the Trabzon Armenians, the plunder of their property, the rape and murder of women and children, and the drowning of around 50 pregnant women in the Black sea. There were 20 sessions of the Trabzon trial, held between March 26 and May 20, 1919, during which witnesses and survivors testified. Among them were Misses Siranush Manukian, Philomene Nurian, Sofia Makhokhian, Aruseak Gylchian, Miss Arabian, and other women who witnessed mass drownings, were survivors of rape, forced marriages, and forced prostitution. The trial was extensively covered by both the Armenian and the Turkish press, whose representatives were present at the daily hearings. Close examination of these women's testimonies and other shreds of evidence of this trial shows how gendered the Armenian genocide was and how women were targeted for both their gender and national identity.
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Prince, Eric R., Joshuah A. Hess, Richard G. Cobb, and Ryan W. Carr. "Elliptical Orbit Proximity Operations Differential Games*." In Handbook of Scholarly Publications from the Air Force Institute of Technology (AFIT), Volume 1, 2000–2020. CRC Press, 2022. http://dx.doi.org/10.1201/9781003220978-14.

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Dankert, Angelika C., Hamoud Dekkiche, Said Baadel, and Stefane Kabene. "Clustering Countries According to Their Cultural Proximity and Similarity." In Leadership, Innovation and Entrepreneurship as Driving Forces of the Global Economy. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43434-6_32.

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Krestovnikov, Konstantin, Aleksei Erashov, and Aleksandr Bykov. "Development of Matrix of Combined Force and Proximity Sensors for Use in Robotics." In Lecture Notes in Computer Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-87725-5_10.

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Radogna, Donatella. "The Buildings Reuse for a Music District Aimed at a Sustainable Urban Development." In The Urban Book Series. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-29515-7_51.

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AbstractReusing buildings must be ‘convenient’ for the environment and for people, therefore it must re-establish a balance between places and communities which, interacting, determine a continuous transformation of cities. The reuse of buildings is a sustainable development process that implies phases of adaptation and qualitative growth to create safe, healthy, useful, attractive and beautiful places. The objective of the guidelines for the music district of Pescara (research for the conservatory) is to establish activities linked to music, culture and socialization, for the expansion of the ‘Luisa D'Annunzio’ Conservatory (through the reuse of the former Muzii middle school owned by the municipality) and provides the city with inclusive and beautiful places for all. The needs of different users (students of the conservatory and citizens) and those expressed by the client (music teachers and musicians) are considered to ensure the sustainability of the initiative through the integration of activities fit for restoring economic and social ‘gain’, according to an ecological approach. In providing the addresses for the required spaces, it was important to hypothesize additional functions and spaces to reborn the city with inclusion and beauty. The reuse of the former middle school was deemed ‘convenient’ (just as music is effective in restoring social inclusion and cultural development) thanks to the resilience capacities found. The proximity between the former school and the conservatory does not require substantial connection works and the proximity to the urban parks, the sea and the most ‘lively’ area of the urban center demonstrates an aptitude of the place for social reception thanks also to pedestrian and cycle paths. The spaces of the former classrooms are suitable for music teaching and recording studios as other existing spaces are for a music hub and other functions for the conservatory and the city, with a view to sustainable urban development.
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Nunes, Urbano, A. T. Almeida, Pedro Faia, and Rui Araújo. "Integrating force, tactile and proximity sensing for a flexible robotic system through a modular design." In Engineering Systems with Intelligence. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-2560-4_29.

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Annapeh, Henry Francis, and Victoria Kurushina. "Linear Sheared Flow Effects in Vortex-Induced Forces on Three Tandem Subsea Structures in Proximity to Larger Objects." In NODYCON Conference Proceedings Series. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-50631-4_2.

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Trabalhos de conferências sobre o assunto "Forced proximity"

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Yin, Decao, Jie Wu, Elizabeth Passano, et al. "In-Line VIV Based on Forced-Vibration Tests." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95972.

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Abstract Excitation and added mass functions determined from forced vibration tests of a rigid cylinder undergoing harmonic motion in the flow are used in the semi-empirical software VIVANA to predict the VIV response of pipelines. An advantage of this approach, as opposed to the more-commonly-used response function approach, is that it can account for changing conditions along the length of the pipe, like changing current velocity, seabed proximity, and/or pipe diameter. This makes it useful for pipelines as well as for risers when such changes occur. Further, for pipelines, travelling wave e
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Milne, Ian A., and J. Michael R. Graham. "Vortex Shedding From Hulls in Close Proximity With Relative Motion." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77151.

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The safe and efficient offloading of liquid natural gas (LNG) in a side-by-side configuration has emphasised the need to accurately quantify the hydrodynamic responses of floating bodies when located in very close proximity. A new series of computational results are presented for the forced roll of a hull in the presence of a second body representative of a floating FLNG facility. The vortex shedding phenomenon which provides a significant contribution to the damping of an isolated hull, is demonstrated to be modified by the presence of the second body. The total damping coefficients were foun
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Fleischer, Amy S., and Randy D. Weinstein. "An Experimental Investigation of the Thermal Interaction of Electro-Optical Components on a Printed Circuit Board in Natural and Forced Convection." In ASME 2003 Heat Transfer Summer Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ht2003-47376.

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The thermal interaction of an electrical and an optical component located on the same vertical circuit board is studied experimentally. The effects of component proximity and convective flow rate on overall power dissipation from each component are analyzed. The components are represented by isothermal heat sources mounted to a standard 1.59mm (0.0625 in) thick FR4 circuit board. In natural convection situations, when the spacing between components is great enough that the component thermal footprints do not interfere, the power dissipation reaches a maximum “plateau” value that is independent
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Huang, Zhiyong, and Carl M. Larsen. "Large Eddy Simulation of an Oscillating Cylinder Close to a Wall." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20006.

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The long term motivation for this work has been to find hydrodynamic coefficients needed to predict vortex induced vibrations (VIV) for free spanning pipelines. For such cases one must expect that the proximity of the seafloor will influence hydrodynamic forces, which means that coefficients found from experiments where wall effects have been eliminated are not necessarily valid. The paper presents results from a three dimensional large eddy simulation of flow over a forced oscillating cylinder close to a plane wall. Hydrodynamic forces are computed at a frequency of 0.425 Hz and Reynolds numb
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Emerson, Benjamin, Kelvin Murphy, and Tim Lieuwen. "Flame Density Ratio Effects on Vortex Dynamics of Harmonically Excited Bluff Body Stabilized Flames." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94284.

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This paper presents an experimental study of acoustically forced bluff body stabilized flames, motivated by the problem of combustion instabilities. The goal of the work is to better understand the flame and flow behavior as functions of the proximity of the acoustic frequency to natural hydrodynamic instability frequencies. It is well known that iso-density, high Re bluff body wakes are globally unstable, exhibiting the Von Karman vortex street. In reacting flows, however, this global mode is suppressed if the density ratio across the flame is sufficiently high. Thus, the density ratio is an
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Hegde, Shreyas, Andrew Madden, and Robert Kielb. "Influence of Disc Modes and Sideband Excitations on the Mistuned Forced Response Behaviour of an Embedded Compressor Rotor." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-58780.

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Abstract This paper focusses on predicting the mistuned forced response behavior of an embedded compressor rotor blade row in a 3.5 stage axial compressor. The authors in previous papers studied the multi-row influence on the forcing function for multiple operating conditions. For these investigations CFX was utilized to predict the forcing However, in the mistuned predictions a consistent underprediction of the amplification factor was noted A previous investigation by the authors [32] considered an isolated mode family. The current work considers the same configuration but looks at a non-iso
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7

Mitra, Mainak, Stefano Zucca, and Bogdan I. Epureanu. "Effects of Contact Mistuning on Shrouded Blisk Dynamics." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57812.

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Mistuning commonly refers to non-cyclically symmetric variations in such an otherwise cyclically-symmetric structure. Mistuning in a blisk due to variations in blade materials and geometry have been studied extensively and are known to have a significant impact on the forced response of blisks. However, mistuning can also arise due to variations at contact interfaces within a blisk with friction damping mechanisms such as under platform dampers or shrouds. Past literature analyzing the effect of this source of contact mistuning is limited, particularly by the use of lumped or single-node conta
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Ravinthrakumar, Senthuran, Babak Ommani, Trygve Kristiansen, Idunn Olimb, and Bernt Karsten Lyngvær. "A Physical-Based Damping Model of Gap and Moonpool Resonance in WAMIT." In ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/omae2022-79673.

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Abstract An engineering model to estimate and incorporate quadratic damping of the piston-mode moonpool responses in the proximity of the piston mode period is proposed. The model provides a physical-based equivalent linearized damping coefficient. The method is not limited to forced motion, but applicable to freely floating moonpool vessels. Further, it is not limited to moonopools, but can be generalized to gap resonance problems, such as side-by-side operations. The soundness of the proposed physical-based method is demonstrated using the panel code WAMIT with a linear damping term in the f
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Amabili, M., M. Pellegrini, and F. Pellicano. "Large-Amplitude Vibrations of Empty and Fluid-Filled Circular Cylindrical Shells With Imperfections: Theory and Experiments." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39033.

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The large-amplitude response of perfect and imperfect, simply supported circular cylindrical shells to harmonic excitation in the spectral neighbourhood of some of the lowest natural frequencies is investigated. Donnell’s nonlinear shallow-shell theory is used and the solution is obtained by Galerkin method. Several expansions involving 16 or more natural modes of the shell are used. The boundary conditions on the radial displacement (simply supported shell at both ends) and the continuity of circumferential displacement are exactly satisfied. The effect of internal quiescent, incompressible a
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Utschick, Matthias, and Thomas Sattelmayer. "Flame Holding in the Premixing Zone of a Gas Turbine Model Combustor After Forced Ignition of H2-NG-Air-Mixtures." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-56246.

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Flashback and self-ignition in the premixing zone of typical gas turbine swirl combustors in lean premixed operation are immanent risks and can lead to damage and failure of components. Thus, steady combustion in the premixing zone must be avoided under all circumstances. This study experimentally investigates the flame holding propensity of fuel injectors in the swirler of a gas turbine model combustor with premixing of H2-NG-air-mixtures under atmospheric pressure and proposes a model to predict the limit for safe operation. The A2EV swirler concept exhibits a hollow, thick walled conical st
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Relatórios de organizações sobre o assunto "Forced proximity"

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Brand, John H., and Kenneth Yagrich. Proximity-Based Overmatching Fires From the Total Force. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada441020.

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Compton, Janice, and Robert Pollak. Family Proximity, Childcare, and Women's Labor Force Attachment. National Bureau of Economic Research, 2011. http://dx.doi.org/10.3386/w17678.

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Orazem and Carson. L51735 Time-Dependent Polarization Behavior as a Function of Soil Type. Pipeline Research Council International, Inc. (PRCI), 1995. http://dx.doi.org/10.55274/r0010421.

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Cathodic protection requirements for buried structures have traditionally been predicted by use of anode resistance equations which take into account the influence of anode geometry on the current distribution at the anode and the influence of soil resistivity on the driving force required to pass current to the structure to be protected. The conventional anode resistance formulas used for CP design were developed for bare pipes protected by remote anodes. Under these conditions, the current density at the anode is so much larger than that on the pipe that the current and potential distributio
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