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Dissertations / Theses on the topic 'Closure model'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

De, Jager A. J. (Albertus Johannes). "Generic model for mine closure." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/49679.

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Thesis (MBA)--Stellenbosch University, 2000.<br>During the last five years, successful mine closure has become one of Iscor Coal Business primary strategic focus areas. Three Iscor Coalmines are currently in different stages of closure, i.e. North Field, Hlobane and Dumacol and the demand on management time spent on this issue is increasing. The changing legal environment, especially issues concerning rehabilitation and mine closure, demands that every company must take full responsibility for any detrimental effect that their operations may have on the environment. This study concerns

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2

Hishida, Masashi, Kazuhiro Toriyama, Yoriko Yamashita, et al. "Omental Flap Closure of Refractory Wounds: Rat Model." Nagoya University School of Medicine, 2010. http://hdl.handle.net/2237/12913.

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3

DeSena, Geoffrey. "Improvement of RANS Forest Model via Closure Coefficient Modification." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-326514.

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As wind farms continue to take up more land throughout Northern Europe, developers are looking to sparsely populated areas, particularly in northern Fennoscandia, which hosts strong winds but also mixed and patchy forests over complex terrain. The complexity makes wind resource assessments difficult, raising uncertainty and therefore cost. Computational fluid dynamics (CFD) has the potential to increase the accuracy and reliability of wind models, but the most common form of commercial CFD modeling, Reynolds averaged Navier-Stokes (RANS), makes limiting assumptions about the effect of the fore

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4

Terentiev, Leonid. "The turbulence closure model based on linear anisotropy invariant analysis." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=979794781.

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5

Free, Edward J. "An optimization model for scheduling Army base realignment and closure actions." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA286141.

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6

Toni. "Economic model of mine closure and its potential for economic transformation." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2015. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-162978.

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In Indonesia, the various mining commodities and the amount of resources and reserves are promising, as evidence there are numerous large-scale mining companies and small-scale mines in operation. In 2014 there were 41 companies that held the CoW (mineral contract of work) and 13 companies active in production; and 76 CCoW (coal contract of work) holders, and 57 companies active in production. As well as this, there are more than a thousand small-scale mining companies active for mining commodities. However, mining commodities provide a resource that is not renewable. This will potentially lea

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7

Hsu, Chiao-Wen Ivy. "Serpina3n accelerates wound closure in a murine model of diabetic wound healing." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/50361.

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Chronic, non-healing wounds are a major complication of diabetes and are characterized by chronic inflammation and excessive protease activity. While once thought to function primarily as a pro-apoptotic serine protease, granzyme B (GzmB) can also accumulate in the extracellular matrix during chronic inflammation and cleave extracellular matrix (ECM) proteins that are essential for proper wound healing, including fibronectin. We hypothesized that GzmB contributes to the pathogenesis of impaired diabetic wound healing through excessive degradation of the ECM. In the first part of the thesis, we

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8

McKellar, Dougan Kelk. "A dislocation model of plasticity with particular application to fatigue crack closure." Thesis, University of Oxford, 2001. http://ora.ox.ac.uk/objects/uuid:45183b90-017f-4ac1-9550-94772a0ca88b.

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The ability to predict fatigue crack growth rates is essential in safety critical systems. The discovery of fatigue crack closure in 1970 caused a flourish of research in attempts to simulate this behaviour, which crucially affects crack growth rates. Historically, crack tip plasticity models have been based on one-dimensional rays of plasticity emanating from the crack tip, either co-linear with the crack (for the case of plane stress), or at a chosen angle in the plane of analysis (for plane strain). In this thesis, one such model for plane stress, developed to predict fatigue crack closure,

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9

Ziegenhein, Thomas, Dirk Lucas, Roland Rzehak, and Eckhard Krepper. "Closure relations for CFD simulation of bubble columns." Helmholtz-Zentrum Dresden-Rossendorf, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-144231.

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This paper describes the modelling of bubbly flow in a bubble column considering non-drag forces, polydispersity and bubble induced turbulence using the Eulerian two-fluid approach. The set of used closure models describing the momentum exchange between the phases was chosen on basis of broad experiences in modelling bubbly flows at the Helmholtz-Zentrum Dresden-Rossendorf. Polydispersity is modeled using the inhomogeneous multiple size group (iMUSIG) model, which was developed by ANSYS/CFX and Helmholtz-Zentrum Dresden-Rossendorf. Through the importance of a comprehe

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10

Cheok, Van Seng Joseph. "Modelling the vertical structure of flows in the shelf seas." Thesis, Bangor University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320063.

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11

Meyer, Ferdinand. "Model closure and price formation under switching grain market regimes in South Africa." Thesis, Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-12082006-105715.

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Thesis (D.Phil.(Agricultural Economics, Extension, and Rural Development))--University of Pretoria, 2006.<br>Includes summary. Includes bibliographical references. Available on the Internet via the World Wide Web.

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12

Tremblay, Frédéric. "Introduction of a second-moment closure turbulence model in a finite element formulation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ29632.pdf.

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13

Tremblay, Frédéric 1970. "Introduction of a second-moment closure turbulence model in a finite element formulation." Thesis, McGill University, 1997. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=27258.

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The present thesis deals with the successful introduction of a second-moment closure turbulence model into a computer program using the Finite Element Method to solve the Navier-Stokes equations. The implementation presented has the advantage of using an equal interpolation for all the variables. It is also very economical in terms of the amount of memory required from the computer, since a fully decoupled formulation has been adopted, along with an iterative solver which permits to store in memory only the non-zero coefficients of the linear system of equations to be solved. Specialized eleme

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14

Powell, Travis Joseph. "Prophylactic Dosing of Myofascial Release in a Human Fibroblast Model of Wound Closure." Thesis, The University of Arizona, 2012. http://hdl.handle.net/10150/221387.

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A Thesis submitted to The University of Arizona College of Medicine - Phoenix in partial fulfillment of the requirements for the Degree of Doctor of Medicine.<br>Myofascial release (MFR) allows clinicians to directly stretch and palpate soft tissue restrictions, improving tissue elasticity, and maximizing range of motion. Research has focused on MFR following repetitive motion strain (RMS), however there is no known application of prophylactic MFR. Utilizing in vitro strain models we will investigate the role of prophylactic MFR in regulating fibroblast wound healing. We hypothesize that MFR t

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15

McMaster, Fraser J. "The effects of load interaction on fatigue crack growth and crack closure in aluminium alloys." Thesis, University of Bristol, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297844.

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16

Jiang, Min. "Computation of Reynolds stresses in axisymmetric vortices and jets using a second order closure model." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/42135.

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Donaldson's single-point second-order model [13] is used to close the Reynolds stress transport equations in cylindrical coordinates. A reduced set of equations are then solved for the decay of axisymmetric vortices and jets. A self-similar solution to the axisymmetric vortices is obtained numerically. The characteristics of the mean flow variables as well as the Reynolds stresses in this solution are discussed. Comparisons of the current results with Donaldson[13J and Donaldson and Sullivan[16] are also presented. <p>The results show that the vortex core is free from turbulent shear stresses.

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17

Chan, Lucilla. "Turbulent boundary-layer flow separation as portrayed by a two-dimensional, second-order closure model." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/NQ66343.pdf.

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18

Al-lababidi, Salem. "Multiphase flow measurement in the slug regime using ultrasonic measurement techniques and slug closure model." Thesis, Cranfield University, 2006. http://hdl.handle.net/1826/4166.

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Multiphase flow in the oil and gas industry covers a wide range of flows. Thus, over the last decade, the investigation, development and use of multiphase flow metering system have been a major focus for the industry worldwide. However, these meters do not perform well in slug flow conditions. The present work involves experimental investigations of multiphase flow measurement under slug flow conditions. A two-phase gas/liquid facility was designed and constructed at Cranfield University. It consisted of a 0.05 m diameter 25 m long horizontal pipeline with the necessary instrumentation. An ult

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19

FONTALVO, ERIC MAURICIO GONZALEZ. "ASSESSMENT OF THE DYNAMIC PRESSURE CLOSURE IN 1D TWO-FLUID MODEL FOR VERTICAL ANNULAR FLOW." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=28235@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>Uma análise numérica de escoamento anular vertical ascendente é realizada utilizando o Modelo de Dois Fluidos unidimensional. Para escoamentos verticais, na ausência de mecanismos estabilizadores, o sistema de equações resultante é incondicionalmente mal posto. Dessa forma, visando tornar o sistema de equações bem posto, adicionou-se às equações de quantidade de movimento um termo de pressão dinâmica. Dois modelos disponíveis na literatura sã

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20

Wang, Wei. "Conditional Moment Closure Model for Ignition of Homogeneous Fuel/Air Mixtures in Internal Combustion Engines." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1577882100318004.

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21

Montini, Marco. "Closure relations of the one-dimensional two-fluid model for the simulation of slug flows." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/6319.

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The present research is a development of an existing numerical methodology, based on a one-dimensional two-fluid model. This model is capable of simulating two-phase slug flow for horizontal and nearly horizontal pipes, using a slug capturing technique. However, the governing system of equations is known to be only conditionally wellposed. The main objective of the research is to extend the applicability of the model to a wider range of cases, through the introduction of various closure models, which aim to better describe the physics of the flow. The approach to the problem starts from a math

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22

Ros, Ingrid. "After establishment closure : Individual characteristics that determine re-employment probabilities of displaced workers in Sweden." Thesis, KTH, Entreprenörskap och Innovation, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-133296.

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This paper studies the relationship between individual characteristics of displaced workers and the probability of re-employment. A competing risks hazard model is used, distinguishing between exits from joblessness to self-employment and to paid-employment. All individuals between 25 and 55 years of age, at the time of displacement, that suffered from at least one year of joblessness after being displaced between 1990 and 1998 due to establishment closures that occurred between 1990 and 2001 are included. This allows for the closure procedure to be between one and three years long. Each indiv

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23

Phillips, Varanda K. "An application of an IDEFO model to improve the process of base closure : a case study /." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1993. http://handle.dtic.mil/100.2/ADA277692.

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24

INACIO, JERRY DA RESSUREICAO GERALDO. "SIMULATION OF INTERMITTENT FLOW IN VERTICAL PIPES USING THE TWO-FLUID MODEL WITH DIFFERENT CLOSURE PARAMETERS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2012. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=20958@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>Escoamentos intermitentes bifásicos são caracterizados pela sucessão de golfadas de líquido separadas por bolhas de diferentes tamanhos, escoando com frequência variável. A previsão deste tipo de escoamento é muito importante, uma vez que o mesmo pode ser encontrado em diversas aplicações industriais. No presente trabalho, é realizado um estudo do regime intermitente em tubulações verticais, utilizando o Modelo de Dois Fluidos uni-dimensional

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25

Liu, Jingyu. "Work Zone Effects on Performance of a Toll Plaza." Master's thesis, University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4048.

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No-lane closure workzone is typical during the construction of open road tolling lanes of a toll plaza. The influence of no-lane closure on toll plazas' performance is unknown because very few studies have been conducted to address this topic. The open road tolling (ORT) has become the new trend of operating an efficient toll plaza. So, the upgrading of a toll plaza from gated E-pass to open road E-pass has become common. The better the toll plaza authority knows about the influence of this construction and congestion effects, the better it can serve the costumers. This project mainly deals wi

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26

Kovari, Daniel T. "Investigations of the spreading and closure mechanisms of phagocytosis in J774a.1 macrophages." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54882.

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Phagocytosis is the process by which cells engulf foreign bodies. It is the hallmark behavior of white blood cells, being the process through which those cells ingest and degrade pathogens and debris. To date a large amount of research has focused on documenting the existence and role of biochemical components involved with phagocytosis. Scores of signaling molecules have been implicated in the complex signal cascade which drives the process. These molecules are small (typically no larger than 5 nanometers) and operate in a crowded, chemically “noisy,” environment, yet they coordinate the cell

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27

Neske, Stefanie [Verfasser], Yaping [Gutachter] Shao, and Hendrik [Gutachter] Elbern. "Towards an improved Turbulence Closure Scheme by analysing ICON Model Simulations / Stefanie Neske ; Gutachter: Yaping Shao, Hendrik Elbern." Köln : Universitäts- und Stadtbibliothek Köln, 2017. http://d-nb.info/113277117X/34.

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28

Smith, Annie G., Rachel A. Powis, D. I. Pritchard, and Stephen T. Britland. "Greenbottle (Lucilia Sericata) larval secretions delivered from a prototype hydrogel wound dressing accelerate the closure of model wounds." American Institute of Chemical Engineers (AIChE), 2008. http://hdl.handle.net/10454/4041.

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no<br>The resurgence of larval biotherapy as a debridement tool in wound management has been accompanied by several clinical reports highlighting concomitant tissue regeneration. Studies employing in vitro cell motility assays have found that purified excretory/secretory (ES) products from Greenbottle larvae (blowfly, Lucilia sericata) are motogenic for human dermal fibroblasts when used as a supplement in culture media. The objective of the present study was to determine whether ES delivered using a prototype hydrogel wound dressing induced similar motogenic effects on fibroblastic (3T3) and

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29

Ahram, Dina. "The characterization of clinical, genetic and molecular aspects of primary angle closure glaucoma in a canine genetic model." Diss., University of Iowa, 2014. https://ir.uiowa.edu/etd/1283.

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Primary angle closure glaucoma (PACG) is a chronic optic neuropathy that results in retinal ganglion cell (RGC) degeneration, cupping of the optic nerve head (ONH) and subsequent loss of vision. In humans, PACG occurs as a result of a plateau iris or more commonly, a pupillary block. Increased Intraocular pressure and reduced axial length are some of the predisposing factors to PACG. The condition occurs in several breeds of dogs and the prognosis for affected animals is typically poor. Unlike PACG in humans, the mechanism of PACG in canines involves the gradual collapse of the ciliary cleft w

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30

Varela, Valdez Alberto. "Mechanical behavior of rock joints : influence of joint roughness on its closure and shear behavior." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0184/document.

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Le comportement mécanique en cisaillement sous contrainte normale constante de joints rocheux est étudié en utilisant une approche numérique par éléments discrets (DEM Discrete Element Model). Les influences respectives de la rugosité des surfaces des joints, de l'élasticité des épontes, de la rupture des aspérités de surface et du niveau de contrainte de compression sur les comportements en fermeture et cisaillement des joints rocheux sont particulièrement analysées. Pour la première fois la rugosité des joints considérée comme auto-affine est utilisée avec DEM pour étudier le frottement des

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31

Vos, Adele. "Unsteady flow conditions at dam bottom outlet works due to air entrainment during gate closure : Berg River dam model." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71850.

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Thesis (MSc)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: A trial closure of the emergency gate of the Berg River Dam was undertaken by the Trans- Caledon Tunnel Authority (TCTA) on 12 June 2008. The air vent downstream of the emergency gate was designed to introduce air to mitigate the negative pressures that were expected in the conduit during emergency gate operations. The emergency gate has to close when the radial gate at the downstream end of the outlet conduit fails. Contrary to the theoretical design, the measured air vent velocities in the field indicated that, while the

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32

Nassrullah, Z. F. A. "Development of a micro-simulation model for motorway roadworks with the use of narrow lanes and lane closure schemes." Thesis, University of Salford, 2016. http://usir.salford.ac.uk/40529/.

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This study presents a newly developed micro-simulation model for motorway roadwork sections to evaluate the efficiency of different temporary traffic management schemes (TTMSs) such as the use of narrow lanes, offside and inside lane closures. The effect on traffic performance (i.e. capacity and delay) of various parameters (e.g. flow rates, percentage of heavy goods vehicles, roadwork zone lengths and speed limits) has been tested. The reason for building this model from scratch is the inability of an industry standard software package (i.e. S-Paramics), which has been made available for this

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33

[Verfasser], Toni, Carsten [Akademischer Betreuer] Drebenstedt, Carsten [Gutachter] Drebenstedt, and Peter [Gutachter] Moser. "Economic model of mine closure and its potential for economic transformation / Toni ; Gutachter: Carsten Drebenstedt, Peter Moser ; Betreuer: Carsten Drebenstedt." Freiberg : Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2015. http://d-nb.info/1220912042/34.

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34

Dolinar, Erica K., Xiquan Dong, Baike Xi, Jonathan H. Jiang, and Norman G. Loeb. "A clear-sky radiation closure study using a one-dimensional radiative transfer model and collocated satellite-surface-reanalysis data sets." AMER GEOPHYSICAL UNION, 2016. http://hdl.handle.net/10150/622761.

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Earth's climate is largely determined by the planet's energy budget, i.e., the balance of incoming and outgoing radiation at the surface and top of atmosphere (TOA). Studies have shown that computing clear-sky radiative fluxes are strongly dependent on atmospheric state variables, such as temperature and water vapor profiles, while the all-sky fluxes are greatly influenced by the presence of clouds. NASA-modeled vertical profiles of temperature and water vapor are used to derive the surface radiation budget from Clouds and Earth Radiant Energy System (CERES), which is regarded as one of the pr

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35

Criniti, James Ralph. "A probabilistic model for estimating demand for selected existing rural community hospitals that may be facing closure in West Virginia." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/43083.

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A wide range of people are interested in how local factors influence patient choice among hospitals. Administrators need to know why patients are admitted to their hospitals so they can develop more sophisticated marketing of their services in an increasingly competitive environment. Planners concerned with issues of patient accessibility need know the geographic patterns of hospital use To meet these needs, it becomes necessary to develop methods to estimate the probability that patients will be admitted to a particular hospital using models that incorporate location and size of com

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36

Wise, Barbara. "THE EFFECT OF CLOSURE ON THE RELATIONSHIP BETWEEN ADHD SYMPTOMS AND SMOKING INITIATION: A MODERATION MODEL USING ADD HEALTH DATA." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1448998688.

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Ullrich, Matthias [Verfasser], Cameron [Akademischer Betreuer] Tropea, Suad [Akademischer Betreuer] Jakirlić, and Johannes [Akademischer Betreuer] Janicka. "Second-moment closure modeling of turbulent bubbly flows within the two-fluid model framework / Matthias Ullrich ; Cameron Tropea, Suad Jakirlic, Johannes Janicka." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2017. http://d-nb.info/1126644250/34.

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Yokoo, Seiichiro. "Model for a fundamental theory with supersymmetry." [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1182.

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Weyer, Vanessa Derryn. "Surface-strip coal mine rehabilitation risk assessment : the development of an integrated rehabilitation risk assessment model for use in South Africa and Australia." Thesis, University of Pretoria, 2020. http://hdl.handle.net/2263/77899.

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Surface-strip coal mine rehabilitation planning in South Africa and Australia is immature. Rehabilitation risk assessment, despite being advocated by leading practice guidelines and in some instances by legislation, is conducted with minimum requirements often met by rehabilitation professionals. Specialist data is gathered during mine approval and for the environmental impact assessment process. However, the focus of this is toward assessing mining impacts and not for rehabilitation risk assessment. Quantitative, integrated, multi-disciplinary rehabilitation risk assessment is seldom un

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40

Castanedo, Bárcena Sonia. "Desarrollo de un modelo hidrodinámico tridimensional para el estudio de la propagación de ondas largas en estuarios y zonas someras." Doctoral thesis, Universidad de Cantabria, 2000. http://hdl.handle.net/10803/10623.

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En la presente tesis se analizan los aspectos teóricos y prácticos necesarios para el desarrollo de un modelo numérico tridimensional válido para los estuarios típicos del Norte de España, cuyas características principales son la existencia de importantes gradientes de profundidad, , y de zonas que se inundan y se secan periódicamente debido al efecto de la marea astronómica.De la revisión del estado del conocimiento sobre modelado hidrodinámico tridimensional en zonas someras, se ha concluido que aunque existen varios modelos tridimensionales propuestos para estuarios, ninguno está preparado

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Pulle, Doreen. "Investigation of the sudden air release up the airshaft of the Berg river dam bottom outlet structure during emergency gate closure using numerical modelling methods." Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/17798.

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Thesis (MScEng)--Stellenbosch University, 2011.<br>ENGLISH ABSTRACT: The design of the Berg River Dam bottom outlet structure with multitude draw offs was based on various hydraulic model tests on a 1:40 model that was used for original design and a 1 in 20 physical model which was used to produce the final design. These tests indicated no foreseeable malfunction and showed that the 1.8 m² air vent would provide sufficient air flow to minimize the negative pressures that would develop behind the emergency gate during its closure or opening. However, during the first trial commissioning of the

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Zaidi, Lazher. "Modélisations et stratégie de prise pour la manipulation d'objets déformables." Thesis, Clermont-Ferrand 2, 2016. http://www.theses.fr/2016CLF22681/document.

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La manipulation dextre est un sujet important dans la recherche en robotique et dans lequel peu de travaux ont abordé la manipulation d'objets déformables. De nouvelles applications en chirurgie, en industrie agroalimentaire ou encore dans les services à la personne nécessitent la maîtrise de la saisie et la manipulation d'objets déformables. Cette thèse s’intéresse à la manipulation d’objets déformables par des préhenseurs mécaniques anthropomorphiques tels que des mains articulées à plusieurs doigts. Cette tâche requière une grande expertise en modélisation mécanique et en commande : modélis

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Patel, Surendra Kumar. "Experimental And Numerical Studies On Fatigue Crack Growth Of Single And Interacting Multiple Surface Cracks." Thesis, Indian Institute of Science, 2000. https://etd.iisc.ac.in/handle/2005/276.

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Design based on damage tolerance concepts has become mandatory in high technology structures. These concepts are also essential for evaluating life extension of aged structures which are in service beyond originally stipulated life. Fracture analysis of such structures in the presence of single or multiple three-dimensional flaws is essential for this approach. Surface cracks are the most commonly occurring flaws and development of accurate methods of analysis for such cracks is essential for structural integrity evaluation of newly designed or aged structures. The crack fronts of these surfac

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Patel, Surendra Kumar. "Experimental And Numerical Studies On Fatigue Crack Growth Of Single And Interacting Multiple Surface Cracks." Thesis, Indian Institute of Science, 2000. http://hdl.handle.net/2005/276.

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Design based on damage tolerance concepts has become mandatory in high technology structures. These concepts are also essential for evaluating life extension of aged structures which are in service beyond originally stipulated life. Fracture analysis of such structures in the presence of single or multiple three-dimensional flaws is essential for this approach. Surface cracks are the most commonly occurring flaws and development of accurate methods of analysis for such cracks is essential for structural integrity evaluation of newly designed or aged structures. The crack fronts of these surfac

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Nenja, A. "Turbulence closure models." Thesis, Вид-во СумДУ, 2005. http://essuir.sumdu.edu.ua/handle/123456789/19821.

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Ucak, Ibrahim. "Assessment Of Different Finite Elementmodeling Techniques On Delamination Growth Inadvanced Composite Structures." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614188/index.pdf.

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Virtual crack closure technique (VCCT) is commonly used to analyze debonding/delamination onset and growth in fiber reinforced composite assemblies. VCCT is a computational fracture mechanics based approach, and is based on Irwin&rsquo<br>s crack closure integral. In this study, the debonding/delamination onset and growth potential in a bonded fiber reinforced composite skin-flange assembly is investigated using the VCCT. A parametric finite element analyses is conducted. The finite element analyses results are compared with coupon level experimental results available in the literature. The e

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Martin, Ashley N. "The interaction of message content, media sequence, and product involvement: an examination of intended message content sequences across a two-channel strategic IMC effort." Thesis, Kansas State University, 2014. http://hdl.handle.net/2097/18705.

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Master of Science<br>Department of Journalism and Mass Communications<br>Curtis Matthews<br>Integrated marketing communications strategies are being utilized more and more by practitioners who wish to reach their audiences in different ways at different times. However, the omnipresence that results from these multi-channel campaigns presents a new challenge for marketers, as their message and channel sequences may or may not be experienced in the order intended. Past literature has shown that both message order and channel sequence do matter. However, existing literature has not examined inten

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DeBruin, Luke Andrew. "Modeling and Control for Advanced Automotive Thermal Management System." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1452131016.

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Yetzer, Kenneth H. "Modeling the interaction between Plant Canopies and the Planetary Boundary Layer using a new 1D Multi-Layer Soil-Vegetation-Atmosphere Transfer (SVAT) Scheme combined with a Non-Local Turbulence Closure Model /." The Ohio State University, 1999. http://rave.ohiolink.edu/etdc/view?acc_num=osu148819327206972.

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Mohin, Ma. "Fatigue crack growth assessment and fatigue resistance enhancement of aluminium alloys." Thesis, University of Hertfordshire, 2018. http://hdl.handle.net/2299/20824.

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Fatigue damage of aluminium alloys is one of the key concerns in transport industries, particularly in the aerospace industry. The purpose of the project is to develop new knowledge and techniques against fatigue failure for these industries through a systematic investigation of fatigue resistance and crack growth behaviours of aluminium alloys. Fatigue and fracture mechanics have been investigated analytically, numerically and experimentally in this project. Overload transient effect on fatigue crack growth has been examined by considering various parameters including crack closure, overload

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