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Dissertations / Theses on the topic 'Load transformation'

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1

Qiu, Shipeng. "INVESTIGATION OF THERMAL, ELASTIC AND LOAD-BIASED TRANSFORMATION STRAINS IN NITI SHAPE MEMORY ALLOYS." Doctoral diss., University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3338.

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Polycrystalline NiTi shape memory alloys have the ability to recover their original, pre-deformed shape in the presence of external loads when heated through a solid-solid phase transformation from a lower-symmetry B19' martensite phase to a higher-symmetry B2 austenite phase. The strain associated with a shape memory alloy in an actuator application typically has thermal, elastic and inelastic contributions. The objective of this work was to investigate the aforementioned strains by recourse to in situ neutron diffraction experiments during selected combinations of heating, cooling and/or mec
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Mäkitalo, J. (Jorma). "Work-related well-being in the transformation of nursing home work." Doctoral thesis, University of Oulu, 2005. http://urn.fi/urn:isbn:9514277678.

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Abstract The purpose of this study was three-fold: to analyze how the work-relatedness of well-being has been constructed by the presently prevailing work stress approach, to develop better ways of conceptualizing the work-relatedness of well-being on the basis of cultural historical activity theory, and to test these new conceptualizations with empirical data from two nursing homes for the elderly. An analysis of the development of work stress theory and previous studies of nursing homes showed that their foundations lie in the paradigmatic person – environment formulation which inhibits tak
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Farhanieh, Arman. "Investigation on methods to improve heat loadprediction of the SGT-600 gas turbine." Thesis, Linköpings universitet, Mekanisk värmeteori och strömningslära, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-124552.

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In modern gas turbines, with the increase of inlet gas temperature to raise thework output, the importance of accurate aero-thermal analysis has become of vitalimportance. These analysis are required for temperature prediction throughoutthe turbine and to predict the thermal stresses and to estimate the cooling requiredfor each component.In the past 20 years, computational fluid dynamics (CFD) methods have becomea powerfool tool aero-thermal analysis. Due to reasons including numericallimitation, flow complications caused by blade row interactions and the effect offilm cooling, using simple st
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Buck, Jonathan J. "Load-carrying and energy-dissipation capacities of ultra-high-performance concrete under dynamic loading." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/43659.

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The load-carrying and energy-dissipation capacities of ultra-high-performance concrete (UHPC) under dynamic loading are evaluated in relation to microstructure composition at strain rates on the order of 10⁵ s⁻¹ and pressures of up to 10 GPa. Analysis focuses on deformation and failure mechanisms at the mesostructural level. A cohesive finite element framework that allows explicit account of constituent phases, interfaces, and fracture is used. The model resolves essential deformation and failure mechanisms in addition to providing a phenomenological account of the effects of the phase transfo
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Casalena, Lee. "Multimodal Nanoscale Characterization of Transformation and Deformation Mechanisms in Several Nickel Titanium Based Shape Memory Alloys." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1499568013015563.

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6

Zhang, Yitian. "STUDIES TO IMPROVE EXHAUST SYSTEM ACOUSTIC PERFORMANCE BY DETERMINATION AND ASSESSMENT OF THE SOURCE CHARACTERISTICS AND IMPEDANCE OPTIMIZATION." UKnowledge, 2016. http://uknowledge.uky.edu/me_etds/77.

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It is shown that the relationship between an impedance change and the dynamic response of a linear system is in the form of the Moebius transformation. The Moebius transformation is a conformal complex transformation that maps straight lines and circles in one complex plane into straight lines and circles in another complex plane. The center and radius of the mapped circle can be predicted provided that all the complex coefficients are known. This feature enables rapid determination of the optimal impedance change to achieve desired performance. This dissertation is primarily focused on the ap
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Elibol, Cagatay, and Martin F. X. Wagner. "Virtual Extensometer Analysis of Martensite Band Nucleation, Growth, and Strain Softening in Pseudoelastic NiTi Subjected to Different Load Cases." MDPI AG, 2018. https://monarch.qucosa.de/id/qucosa%3A31565.

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Pseudoelastic NiTi shape memory alloys exhibit different stress–strain curves and modes of deformation in tension vs. compression. We have recently shown that under a combination of compression and shear, heterogeneous deformation can occur. In the present study, we use digital image correlation to systematically analyze how characteristic features of the nominally uniaxial engineering stress–strain curves (particularly the martensite nucleation peak and the plateau length) are affected by extensometer parameters in tension, compression, and the novel load case of shear-compression. By post-ex
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8

Bergamo, Edmara Tatiely Pedroso 1985. "Fracture load and phase transformation in monolithic zirconia crowns submitted to hydrothermal or mechanical treatments = Carga à fratura e transformação de fase em coroas monolíticas de zircônia submetidas a envelhecimento hidrotérmico ou mecânico." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290235.

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Orientadores: Wander José da Silva, Altair Antoninha Del Bel Cury<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-27T01:05:41Z (GMT). No. of bitstreams: 1 Bergamo_EdmaraTatielyPedroso_M.pdf: 7968983 bytes, checksum: ebd79c42e62e1085b97f070b982adcce (MD5) Previous issue date: 2015<br>Resumo: Os sistemas cerâmicos representam na odontologia uma alternativa aos metais na reabilitação protética, sendo que a zircônia é o material com melhores propriedades mecânicas. Coroas confeccionadas em zircônia sem a
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9

Ouart, Sebastian. "Lastmanagement bei Haushaltskunden." Doctoral thesis, Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-218777.

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Vor dem Hintergrund der Transformation der Energiewirtschaft wird in der Arbeit untersucht, wie eine prämienbasierte Nachfragesteuerung im Bereich der Haushaltskunden ausgestaltet werden kann, welche sowohl einen Beitrag zur Gewährleistung der Versorgungssicherheit leistet als auch für die beteiligten Akteure wirtschaftlich attraktiv ist. Zur Beantwortung der Fragestellung werden im theoretischen Teil der Arbeit die relevanten Aspekte der Stromwirtschaft, die Grundlagen der Nachfragesteuerung, die Preiselastizität der Nachfrage, die bestehenden Verfahren zur Initiierung von Lastveränderungen s
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10

Chen, Chun-Fu. "Infinite Orthotropic plate on an elastic foundation with a traverse point load." Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/94496.

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This study considers an infinite orthotropic plate on a frictionless elastic foundation subjected to a transverse point load. We are concerned with the stress distribution in the vicinity of the load application. Based on the assumption of a uniform stress distribution under the load, a Fourier Transform technique is utilized to formulate and solve the problem in the transform domain. The inverse transformation is carried out numerically, via the Gaussian Quadrature scheme, to obtain the real response. Symmetry of the transform response due to the material orthotropy has been used to reduce th
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11

Karimi, Seywan. "Dielectrics calculation of on-load tap-changer VUCL." Thesis, KTH, Hållbar produktionsutveckling (ML), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-292536.

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This is a bachelor's thesis in Mechanical engineering. The main topic of the thesis is the electrical calculation of the tap changer's shield. Although there are many kinds of tap-changers, this study focuses on VUCL models. The theoretical background of the thesis is that the new shield is suitable and useable in all VUCL models. The primary topic of the thesis is to study that the new shield protects the resistance box in the middle of the tap changers. To do this study, Creo Parametric, Comsol, and SpaceClaim are the programs used.<br>Detta är en kandidatexamen i maskinteknik. Avhandlingens
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12

Kruger, Marko. "Transformation from property loan stocks to real estate investment trusts and the resulting influence on international diversification." Diss., University of Pretoria, 2009. http://hdl.handle.net/2263/67753.

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South Africa has made a recent transformation from Property Loan Stock companies and Property Unit Trusts to the internationally recognised Real Estate Investment Trust structures. The locally listed companies that decided to adopt this structure should experience increased global interaction. This study focused primarily on the international direct or indirect real estate investments made from a South African Real Estate Investment Trust perspective. When conducting this investment, the respective companies must obtain financing for the investments, which will have an impact on capital and sh
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13

Diallo, Elhadj Souleymane. "Micro-finance et lutte contre la pauvreté : logiques d’acteurs et transformations sociales en Moyenne Guinée (Fouta Djalon)." Thesis, Paris 10, 2016. http://www.theses.fr/2016PA100061.

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Cette thèse est une étude socioéconomique qui analyse la dynamique de pénétration et de socialisation des instituts de micro-finance (IMF) en Moyenne Guinée (république de Guinée), à travers les logiques d’acteurs et les transformations sociales associées à cette forme nouvelle de bancarisation qui cible les pauvres. La première partie présente le cadre de la recherche et indique que, pour l’État, la législation et les investisseurs, les IMF sont nés pour affaiblir l’économie informelle. La deuxième partie montre que pratiques et ressorts de légitimation des IMF assurent la pénétration sociale
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14

Machen, Emily. ""A woman who fears the Lord is to be praised" : women and the social and religious transformation of early twentieth-century France /." Full text available from ProQuest UM Digital Dissertations, 2006. http://0-proquest.umi.com.umiss.lib.olemiss.edu/pqdweb?index=0&did=1342718931&SrchMode=1&sid=3&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1218739835&clientId=22256.

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15

Beyene, Nardos Legesse. "Assessment on the effects of Village Savings and Loan Associations (VSLA) on poverty reduction in Hawassa, Ethiopia." University of the Western Cape, 2018. http://hdl.handle.net/11394/6509.

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Magister Artium (Development Studies) - MA (DVS)<br>Formal microfinance institutions have been an important tool in the fight against poverty in developing countries, but their reach for rural people and urban slum poor are limited. Following this, Village Savings and Loan Associations (VSLAs) are established as an alternative, informal mechanism for saving and borrowing that do not require external capital or ongoing financial or administrative support from a founding organization or government bodies. Thus, this study aimed to assess the effects of women participation in VSLA on poverty
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16

Paulin, Pascale. "Les Baka du Gabon dans une dynamique de transformations culturelles- Perspectives linguistiques et anthropologiques." Thesis, Lyon 2, 2010. http://www.theses.fr/2010LYO20077/document.

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Cette thèse propose une analyse approfondie de la dynamique des changements observés au sein d’une communauté de chasseurs-cueilleurs, les Baka du Gabon. Ce groupe se compose de moins de 1000 individus et parle une langue oubanguienne dans un environnement bantuphone. Une comparaison avec les autres langues du même sous-groupe linguistique met en évidence les spécificités du baka et met au jour des affinités entre cette langue et le monzombo. Ces deux groupes ethnolinguistiques semblent avoir entretenu des relations qui s’inscrivent dans une dynamique d’échange de compétences (chasse-cueillett
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17

Sayyah, Jahromi Mohammad Reza Information Technology &amp Electrical Engineering Australian Defence Force Academy UNSW. "Efficient broadband antenna array processing using the discrete fourier form transform." Awarded by:University of New South Wales - Australian Defence Force Academy. School of Information Technology and Electrical Engineering, 2005. http://handle.unsw.edu.au/1959.4/38690.

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Processing of broadband signals induced on an antenna array using a tapped delay line filter and a set of steering delays has two problems. Firstly one needs to manipulate large matrices to estimate the filter coefficients. Secondly the use of steering delays is not only cumbersome but implementation errors cause loss of system performance. This thesis looks at both of these problems and presents elegant solutions by developing and studying a design method referred to as the DFT method, which does not require steering delays and is computationally less demanding compared to existing methods.
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18

Jephte, Ioudom Foubi. "Extract, Transform, and Load data from Legacy Systems to Azure Cloud." Master's thesis, 2021. http://hdl.handle.net/10362/118629.

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Internship report presented as partial requirement for obtaining the Master’s degree in Information Management, with a specialization in Knowledge Management and Business Intelligence<br>In a world with continuously evolving technologies and hardened competitive markets, organisations need to continually be on guard to grasp cutting edge technology and tools that will help them to surpass any competition that arises. Modern data platforms that incorporate cloud technologies, support organisations to strive and get ahead of their competitors by providing solutions that help them capture and op
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19

CHIEN, CHIA-HUI, and 簡佳慧. "The Research on the Physical and Mental Load, Stress and Emotion Transformation of the Main Caregivers' in Vegetation Families." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/5td42p.

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碩士<br>南華大學<br>生死學系碩士班<br>107<br>The purpose of this research is to investigate the main caregivers' physical and mental load, stress and emotion transformation during the period that they take care of vegetations mainly in the form of semi-structured open talks.   Through the way of purposive sampling, we chose five main caregivers who needed to take care of vegetations in their families in Pingtung County, and the main caregiver is necessarily one of the family menbers. I adopted in-depth interviews and practical observations in the study of quality, and presented the main caregivers' mental
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20

Терещенко, Ольга Олександрівна. "Мікробні комплекси грунтів о. Хортиця як показник їхнього екологічного стану". Магістерська робота, 2020. https://dspace.znu.edu.ua/jspui/handle/12345/1478.

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Терещенко О. О. Мікробні комплекси грунтів о. Хортиця як показник їхнього екологічного стану : кваліфікаційна робота магістра спеціальності 101 "Екологія " / наук. керівник Н. І. Костюченко. Запоріжжя : ЗНУ, 2020. 71 с.<br>UA : Дана робота викладена на 63 сторінки друкованого тексту, з них 48 сторінок основного тексту, містить 3 таблиці, 5 рисунків та 4 додатків. Перелік використаної літератури включає 89 джерел, з них 66 латиницею. Мета роботи: дослідження екологічного стану ґрунтів о. Хортиця з різним ступенем антропогенної трансформації за мікробіологічними показниками. Об’єкт дослідже
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21

Ouart, Sebastian. "Lastmanagement bei Haushaltskunden: Ausgestaltung eines Konzepts zur prämienbasierten Nachfragesteuerung." Doctoral thesis, 2016. https://monarch.qucosa.de/id/qucosa%3A19628.

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Vor dem Hintergrund der Transformation der Energiewirtschaft wird in der Arbeit untersucht, wie eine prämienbasierte Nachfragesteuerung im Bereich der Haushaltskunden ausgestaltet werden kann, welche sowohl einen Beitrag zur Gewährleistung der Versorgungssicherheit leistet als auch für die beteiligten Akteure wirtschaftlich attraktiv ist. Zur Beantwortung der Fragestellung werden im theoretischen Teil der Arbeit die relevanten Aspekte der Stromwirtschaft, die Grundlagen der Nachfragesteuerung, die Preiselastizität der Nachfrage, die bestehenden Verfahren zur Initiierung von Lastveränderungen s
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22

Bell, Robert Michael. "The use of correlation coefficients for load identifiers and a fundamental approach towards power definitions in non-sinusoidal conditions." Thesis, 2011. http://hdl.handle.net/10210/3564.

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M.Ing.<br>Along with the increased use of power-electronic devices, there has been an increase in the magnitudes of distorted currents. Much of the power-theory in use today was devised many decades ago, mostly for AC-systems with clean sinusoidal voltages and currents. Modem loads are more often no longer mostly linear. Against the background of a study in the basic mathematics underlying AC power theory, a few techniques concerned with per-frequency power were examined. In addition certain concerns surrounding the use of correlation indexes for the purposes of load identification were also e
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