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Dissertations / Theses on the topic 'Simulation templates'

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Published: 4 June 2021

Last updated: 14 February 2022

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1

Dai, Qiang. "Simulation of packed column jigging." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=783.

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Thesis (M.S.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains xiii, 131 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 61-64).

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2

Shi, Shaoping. "Large-eddy simulation of ship wakes." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=2217.

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Thesis (Ph. D.)--West Virginia University, 2001.
Title from document title page. Document formatted into pages; contains xv, 211 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 200-211).

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3

Nennelli, Anjali Devi. "Simulation of heavy-duty hybrid electric vehicles." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=2259.

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Thesis (M.S.)--West Virginia University, 2001.
Title from document title page. Document formatted into pages; contains xvi, 112 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 85-87).

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4

Krishnappa, Arvind R. "Simulation study of a kanban controlled production system." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=526.

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Thesis (M.S.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains x, 156 p. : ill. Vita. Includes abstract. Includes bibliographical references (p. 100-106).

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5

Furlanetto, Gabriel Covello [UNESP]. "Geração de simuladores de filas para diferentes contextos com estudo de casos para redes de computadores." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/138859.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
A busca por aprimorar o desenvolvimento de aplicações complexas tem aumentado gradativamente. Além disso, procura-se a redução de gastos ao implementar a aplicação, como também o aumento da segurança, o que torna muito importante a técnica de solução de modelos e a simulação de sistemas. Isso ocorre principalmente nas áreas comerciais, industriais e com finalidade de pesquisa. Visando facilitar a utilização da técnica de solução de modelos e a simulação de sistemas, neste projeto é apresentado o desenvolvimento de um gerador de simuladores baseado em filas, o Yasc (Yes, a simulator’s compiler). Esta ferramenta possibilita a construção de aplicações capazes de solucionar os problemas ditos anteriormente de maneira simples e sem a necessidade de codificação. Assim, a partir de parâmetros informados pelo usuário como entrada, o gerador fornece, como saída, uma ferramenta de simulação. Apresenta-se também um estudo de caso de redes de computadores em que o Yasc, com sua implementação já finalizada, foi utilizado para gerar simuladores de redes e para realizar a solução de modelos e simulação de ambientes reais, cujos resultados foram comparados aos de outro simulador específico da área, o NS-3 (Network Simulator).
The search to improve the development of complex applications has gradually increased. It also seeks to reduce costs by implementing the application, and seeks as well to increase security, which makes it very important to model solution technique and systems simulation. This occurs in the commercial, industrial and research-purposed areas. To facilitate the models solution technique and the simulation of systems, this project presented the development of a simulator generator based on queues, the Yasc (Yes, a simulator’s compiler). This tool makes it possible to generate applications that can simply solve problems mentioned before without coding. Thus, based on parameters from the user’s input, the generator provide, as output, a simulation tool. Furthermore, we present a case study of computer networks where the Yasc, with your finished implementation, was used to generate network simulators and to perform models solution and simulations of real enviroments, whose results were compared to other specific simulator area, the NS-3 (Network Simulator).

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6

Taylor, Samuel P. "Design and simulation of high performance hybrid electric vehicle powertrains." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=1839.

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Thesis (M.S.)--West Virginia University, 2001.
Title from document title page. Document formatted into pages; contains xiii, 93 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 90-93).

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7

Xia, Jianjun. "Large-eddy simulation of a three-dimensional compressible tornado vortex." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=2216.

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Thesis (Ph. D.)--West Virginia University, 2001.
Title from document title page. Document formatted into pages; contains xviii, 130 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 98-104).

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8

Yavuz, Ibrahim. "Refined turbulence models for simulation of IC-engine cylinder flows." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1314.

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Thesis (Ph. D.)--West Virginia University, 2000.
Title from document title page. Document formatted into pages; contains xiii, 164 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 153-164).

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9

Tóth-Nagy, Csaba. "Investigation and simulation of the planetary combination hybrid electric vehicle." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1741.

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Thesis (M.S.)--West Virginia University, 2000.
Title from document title page. Document formatted into pages; contains xii, 112 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 111-112).

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10

Park, Ju-chirl. "Modeling and simulation of selected distributed generation sources and their assessment." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=1104.

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Thesis (M.S.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains v, 99 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 88-91).

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11

Allport, Christopher Samuel. "Mission planning and remote operated vehicle simulation in a virtual reality interface." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=635.

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Thesis (M.S.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains vii, 122 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 38-39).

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12

Gil, Edison. "Improving the simulation of a waterflooding recovery process using artificial neural networks." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1662.

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Thesis (M.S.)--West Virginia University, 2000.
Title from document title page. Document formatted into pages; contains xi, 94 p. : ill. (some col.), maps. Includes abstract. Includes bibliographical references (p. 63-64).

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13

Bejo, Laszlo. "Simulation based modeling of the elastic properties of structural wood based composite lumber." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=2058.

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Thesis (Ph. D.)--West Virginia University, 2001.
Title from document title page. Document formatted into pages; contains xiv, 224 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 149-155).

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14

Gel, Aytekin. "A distributed-memory implementation of KIVA-3 with refinements for large eddy simulation." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=605.

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Thesis (Ph. D.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains xiv, 259 p. : ill. (some col.) Includes abstract. Includes bibliographical references (p. 252-259).

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15

Cullen, Kathleen Ann. "Forecasting electricity demand using regression and Monte Carlo simulation under conditions of insufficient data." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=903.

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Thesis (M.S.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains x, 137 p. : ill., map Vita. Includes abstract. Includes bibliographical references (p. 99-107).

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16

Darian, Eva. "Molecular dynamics simulation study of the stability and conformation of spin-probe labeled DNAs." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=1135.

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Thesis (M.S.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains ix, 80 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 51-52).

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17

Hasanović, Amer. "A simulation and analysis toolbox for power systems and genetic algorithm based damping controller design." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=2173.

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Thesis (M.S.)--West Virginia University, 2001.
Title from document title page. Document formatted into pages; contains viii, 73 p. : ill. Includes abstract. Includes bibliographical references (p. 71-73).

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18

Shoukry, Ehab F. "Numerical simulation for parametric study of a two-stroke compression ignition direct injection linear engine." Morgantown, W. Va. : [West Virginia University Libraries], 2003. http://etd.wvu.edu/templates/showETD.cfm?recnum=3071.

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Thesis (Ph. D.)--West Virginia University, 2003.
Title from document title page. Document formatted into pages; contains xxvii, 166 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 121-126).

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19

Lamp, Shane B. "Equipment specification, process control, and plant simulation for a lignin-fueled fluidized bed combustor plant." Morgantown, W. Va. : [West Virginia University Libraries], 1998. http://etd.wvu.edu/templates/showETD.cfm?recnum=224.

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Thesis (M.S.)--West Virginia University, 1998.
Title from document title page. Document formatted into pages; contains xv, 98 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 84).

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20

Stiles, James M. "The numerical simulation of the flow of an injected grout in underground room and pillar coal mines." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=1120.

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Thesis (Ph. D.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains vii, 145 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 71-72).

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21

Bajaj, Manas. "Knowledge composition methodology for effective analysis problem formulation in simulation-based design." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26639.

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Thesis (Ph.D)--Mechanical Engineering, Georgia Institute of Technology, 2009.
Committee Co-Chair: Dr. Christiaan J. J. Paredis; Committee Co-Chair: Dr. Russell S. Peak; Committee Member: Dr. Charles Eastman; Committee Member: Dr. David McDowell; Committee Member: Dr. David Rosen; Committee Member: Dr. Steven J. Fenves. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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22

patney, vikas. "Software Engineering Best Practices for Parallel Computing Development." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH. Forskningsmiljö Informationsteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-23803.

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In today’s computer age, the numerical simulations are replacing the traditional laboratory experiments. Researchers around the world are using advanced computer software and multiprocessor computer technology to perform experiments, and analyse these simulation results to advance in their respective endeavours. With a wide variety of tools and technologies available, it could be a tedious and time taking task for a non-computer science researcher to choose appropriate methodologies for developing simulation software The research of this thesis addresses the use of Message Passing Interface (MPI) using object-oriented programming techniques and discusses the methodologies suitable to scientific computing, also, propose a customized software engineering development model.

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23

Bhattacharya, Supriyo. "Molecular Models for Templated Mesoporous materials: Mimetic Simulation and Gas Adsorption." NCSU, 2006. http://www.lib.ncsu.edu/theses/available/etd-01062006-163437/.

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The complex structures of the Templated Mesoporous Materials (TMMs) are difficult to capture using experiments. On the other hand, detailed structural information is required in order to study the confinement effects and predict material properties. We therefore present a methodology to prepare realistic molecular models of the TMMs using molecular simulations. Mimetic simulations are used to simulate the synthesis of the TMMs resulting in mesoscale models of the materials. Using this technique, we have developed models for SBA-15 and the Mesostructured Cellular Foams (MCF). The mimetic simulations also allow us to study the phase diagrams of the surfactants involved in the synthesis. We have investigated the ternary phase diagrams (surfactant-oil-water and surfactant-silica-water) of model triblock surfactants and have highlighted the effects of oil on the ordered structures. The simulation results for the effect of oil are in partial agreement with the experiments. Next, we devise a technique to convert the mesoscale TMM models into atomistic ones. The method has been demonstrated by preparing atomistic models for SBA-15. The physical properties of the models (pore size distribution, surface area, TEM and AFM images) are compared to the experimental ones. The porosities and the surface areas of the models are in quantitative agreement with those of the experimental SBA-15, whereas the pore size distribution and TEM results agree qualitatively with the experiments. We also present new methods for characterizing model structures including a fast technique for computing pore size distributions. The results from our new technique show speed increases of several orders of magnitude compared to the existing method. Finally we simulate the adsorption of Argon inside the model SBA-15 using Grand canonical Monte Carlo simulations. The adsorption isotherm from the model is in semi-quantitative agreement with that of an experimental SBA-15. The adsorption behavior of several different pore models are investigated, which provides new light on the roles of surface roughness and micropores in determining adsorption properties. We conclude by saying that the pore models developed in this work may be used in studying phase transitions, adsorption, diffusion and reactions inside nanopores, and in preparing new mesoporous material models such as the CMK carbons.

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24

Rampersad, Kevin. "The rapid design of simulation models using cladistics and template based modelling." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/7756.

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The drive towards a more globally competitive market has led to an increase in demand for goods and services on a global scale. As a result of this increase in productivity, production systems are being designed and redesigned at an increased rate and that they are becoming more innovative as they progress with time. The challenge this research attempts to address is how to improve the ability of the UKbased manufacturing industry to make a more effective decision during manufacturing systems design/redesign by adopting simulation techniques as both strategic and operational decision making tools. The aim of this research is to develop a classification scheme based on cladistics and evolutionary analysis and to use this classification in the development of a template based modelling library. The research focused on identifying the existing manufacturing layout types, the various layout configurations that are being used and template based model generation. Some of the major developments of the research conducted were the construction of the manufacturing layout and component based cladograms and the RapidSim generator. A literature review on manufacturing systems layouts revealed the types of system layouts which are most commonly used in the manufacturing sector as well as the component configurations and characteristics which are found within each production systems. This research makes a major contribution by providing a cladistical classification of manufacturing systems layouts, an external interface for model building and development and a set of recommendations, which when adopted may help increase the use of template based simulation modelling. Based on the data analysis carried out, the findings suggest that there is room for the development and implementation of a template based modelling approach to the development of simulation based models. The most important result obtained from the validation of the model was that the time taken to build and run the model decreased significantly by around 65% when compared to the conventional model building process.

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Mahayuddin, Zainal Rasyid. "Rapid assembly lines model building based on template approach and classification of problems using the cladistics technique." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/7168.

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Competition in the global economic scenario has led to the use of simulation in many areas such as manufacturing, health systems, military systems and transportation. With the importance of simulation in supporting decision making and operations, model building has been recognised as one of the crucial steps in simulation studies. However, model building is not as easy as it may seem. It can be time-consuming and expensive, and requires special training, skills and experience. This research, therefore, aims to investigate a new method to rapidly build a simulation model based on the classification of problems in assembly lines using a cladistics technique and template approach. Three objectives were established in order to achieve the aim and a four-stage research programme was developed according to these objectives. The first stage starts by developing a thorough understanding of and collecting typical problems in assembly lines. The next stage formulates the classification of problems and the main deliverable is a cladogram, a tree structure that can be used to represent the evolution of problems and their characteristics. The third stage focuses on the development of a proof-of-concept prototype based on an established classification and template approach. The prototype helps users to develop a model by providing the physical elements and specific elements required for the performance measures analysis. The prototype is then tested and validated in the final stage. The results show that the prototype developed can help to rapidly build a simulation model and reduce model development time.

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26

Karim, Michael K. "A design template for the development of computer-based instructional simulations." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1298569562.

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27

Dubreus, Terrance Maurice. "Monte Carlo simulations for small-world stochastic processes." Diss., Mississippi State : Mississippi State University, 2005. http://library.msstate.edu/content/templates/?a=72.

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Ahmed, Zubair. "Developing an efficient scheduling template of a chemotherapy treatment unit: simulation and optimization approach." Australasian Medical Journal, 2011. http://hdl.handle.net/1993/5084.

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This study is undertaken to improve the performance of a Chemotherapy Treatment Unit by increasing the throughput of the clinic and reducing the average patients’ waiting time. In order to achieve this objective, a simulation model of this system is built and several scenarios that target matching the arrival pattern of the patients and resources availability are designed and evaluated. After performing detailed analysis, one scenario proves to provide the best system’s performance. The best scenario determines a rational arrival pattern of the patient matching with the nurses’ availability and can serve 22.5% more patients daily. Although the simulation study shows the way to serve more patients daily, it does not explain how to sequence them properly to minimize the average patients’ waiting time. Therefore, an efficient scheduling algorithm was developed to build a scheduling template that minimizes the total flow time of the system.

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Tang, Keyi. "A feasibility study of template-based subject-specific modelling and simulation of upper-airway complex." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61489.

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The upper-airway complex is involved in a number of life-sustaining functions, such as swallowing, speech, breathing and chewing. Disorders associated with these functions can dramatically reduce the life quality of the suffers. Biomechanical modelling is a useful tool that can bridge the gap between the human knowledge and medical data.When tailored to individual patients, biomechanical models can augment the imaging data, to enable computer-assisted diagnosis and treatment planning. This thesis introduces a model-registration framework for creating subject-specific models of the upper-airway complex based on 3D medical images.Our framework adapts a state-of-art comprehensive biomechanical model of head and neck, which represents the generic upper-airway anatomy and function. By morphing this functional template to subject-specific data, we create upper-airway models for particular individuals. In order to preserve the functionality of the comprehensive model, we introduce a multi-structure registration technique, which can maintain the spatial relationship between the template components, and preserve the regularity of the underlying mesh structures. The functional information, such as the muscle attachment positions, joint positions and biomechanical properties, is updated to stay relevant to the subject-specific model geometry. We demonstrate the functionality of our subject-specific models in the biomechanical simulations. Two illustrative case studies are presented. First, we apply our modelling methods to simulating the normal swallowing motion of a particular subject based on the kinematics (of the airway boundary, jaw and hyoid) extracted from dynamic 3D CT images. The results suggest that our model tracks the oropharyngeal motion well, but has limited ability to reproduce the hyolaryngeal movements of normal swallowing. Second, we create two speaker-specific models based on 3D MR images, and perform personalized speech simulations of the utterance ageese. The models reproduce the speech motion of the tongue and jaw recorded in tagged and cine MRI data with sub-voxel tracking error, predict the muscular coordinating patterns of the speech motion. This study demonstrates the feasibility of using template-based subject-specific modelling methods to facilitate personalized analysis of upper-airway functions. The proposed model-registration framework provides a foundation for developing a systematic and advanced subject-specific modelling platform.
Applied Science, Faculty of
Electrical and Computer Engineering, Department of
Graduate

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Wilson, Wesley M. "The development of a droplet formation and entrainment model for simulations of immiscible liquid-liquid flows." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=1161.

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Thesis (M.S.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains xvi, 219 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 166-169).

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Frykskog, David, and Hjalmar Jonsson. "Construction of RF-link budget template for transceiver modelling." Thesis, Linköpings universitet, Fysik och elektroteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-162159.

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This master thesis report details the process of developing a simulation platform for radio transceivers with a focus on analog receiver front end system design. The platform was implemented in the National Instruments VSS environment for the company Ericsson AB.

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Ramachandran, Praveen. "Modelling and Dynamic Simulation of Tracked Forwarder in Adams ATV Module." Thesis, KTH, Maskinkonstruktion (Inst.), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-182803.

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Swedish forest industry is relying on the cut-to-length method for logging and there has always been a constant quest to make it more efficient and sustainable. Reduction of forest soil damage and operator vibration dosages are crucial steps that could facilitate meeting the above stated targets. In this context Skogforsk- The Swedish Forest Research Institute has decided to explore the potential usage of caterpillar tracks on conventional wheeled forwarders. An efficient way to perform this study is to use multi body simulations to evaluate the performance of the tracked forwarder concept over different terrains. This thesis work aims to model and simulate a tracked forwarder in Adams ATV module. As part of the thesis a conventional wheeled forwarder was selected and a track unit was conceptualised to fit it. The concept was modelled and simulate with Adams ATV for various ground conditions. An effort was also made to identify the performance parameters required to improve traction, handling, and ride performance. Based on this some results were selected and studied and inferences were made. The results from the thesis work could provide a guideline on the methodology to be followed and a a deliverable is also a multi-body dynamics model for future design research.
Svensk skogsindustri jobbar efter kortvirkesmetoden för trädavverkning. Det finns en strävan efter att göra denna metod mer effektiv och samtidigt mer ekologiskt hållbar, exempelvis en minskad markpåverkan reduktion av de helkroppsvibrationer som operatören utsätts för. Motivet till detta examensarbete är att utforska möjligheten att ersätta dagens hjulbaserade skogsmaskiner med banddrivna. Det överordnade syftet för examensarbetet är att utveckla en modelleringsmetodik för dynamiska systemsimuleringar. Metoden för detta är att modellera och simulera en banddriven skotare med Adams ATV-modul och att beskriva ett rekommenderat tillvägagångssätt och möjliga resultat. Som en del av arbetet har en traditionell skotare valts och en konceptuell bandenhet har skapats och anpassats för att passa till skogsmaskinen. Konceptet modellerades och simulerades med Adams ATV för olika markunderlag. Ytterligare arbete lades på att identifiera de parametrar som är viktiga för grepp, fordonskontroll och framkomlighet. Baserat på några av resultaten valdes några för en fördjupad studie. Resultatet från examensarbetet kan ge riktlinjer för val av lämplig metodik för denna typ av prestandastudier. En konkret leverabel från projektet är också en dynamisk flerkroppsmodell, som kan utgöra en bas för fortsatta konstruktions- och prestandastudier.

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Gren, Wojciech. "Atomistic simulations of zeolite surfaces and the zeolite-water interfaces : towards an understanding of zeolite growth." Thesis, University of Bath, 2010. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.537774.

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Caillé, Denis. "Contribution à l'étude de la technologie bipolaire STL : caractérisation, modélisation et simulation de diodes Schottky TiW-Si et PtSi-Si." Bordeaux 1, 1988. http://www.theses.fr/1988BOR10571.

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Etude detaillee des caracteristiques electriques des diodes tiw-si et ptsi-si en fonction de leur structure technologique et de leur dimension. Les modeles analytiques obtenus permettent de prevoir le comportement des portes en fonction des choix technologiques et des parametres d'utilisation comme la temperature

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Falcou, Joël. "Un cluster pour la vision temps réel : architecture, outils et application." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2006. http://tel.archives-ouvertes.fr/tel-00717444.

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Cette thèse propose une solution logicielle au problème du développement et de l'exécution en temps réel d'applications de vision sur des machines de type cluster. Pour cela, avons développé deux bibliothèques utilisant des techniques d'évaluation partielle et de méta-programmation template qui permettent de programmer ces machines en s'attachant à rendre accessible les modèles de programmation parallèles à des développeurs issus de la communauté Vision pour qui ces problématiques ne sont pas triviales, tout en conservant des performances élevées. Ces deux bibliothèques : EVE, qui prend en charge la gestion du parallélisme SIMD, et QUAF, qui propose un modèle de programmation à base de squelettes algorithmiques pour la programmation sur machines MIMD, ont été validées par deux applications de vision de complexité réaliste, une reconstruction 3D et un suivi de piéton par filtrage particulaire, développées et exécutées sur un cluster dédié à la vision artificielle

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López, Guillermo Angel Pérez. "Casamento de modelos baseado em projeções radiais e circulares invariante a pontos de vista." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/3/3142/tde-24052016-150250/.

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Este trabalho aborda o problema de casamento entre duas imagens. Casamento de imagens pode ser do tipo casamento de modelos (template matching) ou casamento de pontos-chaves (keypoint matching). Estes algoritmos localizam uma região da primeira imagem numa segunda imagem. Nosso grupo desenvolveu dois algoritmos de casamento de modelos invariante por rotação, escala e translação denominados Ciratefi (Circula, radial and template matchings filter) e Forapro (Fourier coefficients of radial and circular projection). As características positivas destes algoritmos são a invariância a mudanças de brilho/contraste e robustez a padrões repetitivos. Na primeira parte desta tese, tornamos Ciratefi invariante a transformações afins, obtendo Aciratefi (Affine-ciratefi). Construímos um banco de imagens para comparar este algoritmo com Asift (Affine-scale invariant feature transform) e Aforapro (Affine-forapro). Asift é considerado atualmente o melhor algoritmo de casamento de imagens invariante afim, e Aforapro foi proposto em nossa dissertação de mestrado. Nossos resultados sugerem que Aciratefi supera Asift na presença combinada de padrões repetitivos, mudanças de brilho/contraste e mudanças de pontos de vista. Na segunda parte desta tese, construímos um algoritmo para filtrar casamentos de pontos-chaves, baseado num conceito que denominamos de coerência geométrica. Aplicamos esta filtragem no bem-conhecido algoritmo Sift (scale invariant feature transform), base do Asift. Avaliamos a nossa proposta no banco de imagens de Mikolajczyk. As taxas de erro obtidas são significativamente menores que as do Sift original.
This work deals with image matching. Image matchings can be modeled as template matching or keypoints matching. These algorithms search a region of the first image in a second image. Our group has developed two template matching algorithms invariant by rotation, scale and translation called Ciratefi (circular, radial and template matching filter) and Forapro (Fourier coefficients of radial and circular projection). The positive characteristics of Ciratefi and Forapro are: the invariance to brightness/contrast changes and robustness to repetitive patterns. In the first part of this work, we make Ciratefi invariant to affine transformations, getting Aciratefi (Affine-ciratefi). We have built a dataset to compare Aciratefi with Asift (Affine-scale invariant feature transform) and Aforapro (Affine-forapro). Asift is currently considered the best affine invariant image matching algorithm, and Aforapro was proposed in our master\'s thesis. Our results suggest that Aciratefi overcome Asift in the combined presence of repetitive patterns, brightness/contrast and viewpoints changes. In the second part of this work, we filter keypoints matchings based on a concept that we call geometric coherence. We apply this filtering in the well-known algorithm Sift (scale invariant feature transform), the basis of Asift. We evaluate our proposal in the Mikolajczyk images database. The error rates obtained are significantly lower than those of the original Sift.

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López, Guillermo Ángel Pérez. "AFORAPRO: reconhecimento de objetos invariante sob transformações afins." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3142/tde-31052011-155411/.

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Reconhecimento de objetos é uma aplicação básica da área de processamento de imagens e visão computacional. O procedimento comum do reconhecimento consiste em achar ocorrências de uma imagem modelo numa outra imagem a ser analisada. Consequentemente, se as imagens apresentarem mudanças no ponto de vista da câmera o algoritmo normalmente falha. A invariância a pontos de vista é uma qualidade que permite reconhecer um objeto, mesmo que este apresente distorções resultantes de uma transformação em perspectiva causada pela mudança do ponto de vista. Uma abordagem baseada na simulação de pontos de vista, chamada ASIFT, tem sido recentemente proposta no entorno desta problemática. O ASIFT é invariante a pontos de vista, no entanto falha na presença de padrões repetitivos e baixo contraste. O objetivo de nosso trabalho é utilizar uma variante da técnica de simulação de pontos de vista em combinação com a técnica de extração dos coeficientes de Fourier de projeções radiais e circulares (FORAPRO), para propor um algoritmo invariante a pontos de vista, e robusto a padrões repetitivos e baixo contraste. De maneira geral, a nossa proposta resume-se nas seguintes fases: (a) Distorcemos a imagem, variando os parâmetros de inclinação e rotação da câmera, para gerar alguns modelos e conseguir a invariância a deformações em perspectiva, (b) utilizamos cada como modelo a ser procurado na imagem, para escolher o que melhor case, (c) realizamos o casamento de padrões. As duas últimas fases do processo baseiam-se em características invariantes por rotação, escala, brilho e contraste extraídas pelos coeficientes de Fourier. Nossa proposta, que chamamos AFORAPRO, foi testada com 350 imagens que continham diversidade nos requerimentos, e demonstrou ser invariante a pontos de vista e ter ótimo desempenho na presença de padrões repetitivos e baixo contraste.
Object recognition is a basic application from the domain of image processing and computer vision. The common process recognition consists of finding occurrences of an image query in another image to be analyzed A. Consequently, if the images changes viewpoint in the camera it will normally result in the algorithm failure. The invariance viewpoints are qualities that permit recognition of an object, even if this present distortion resultant of a transformation of perspective is caused by the change in viewpoint. An approach based on viewpoint simulation, called ASIFT, has recently been proposed surrounding this issue. The ASIFT algorithm is invariant viewpoints; however there are flaws in the presence of repetitive patterns and low contrast. The objective of our work is to use a variant of this technique of viewpoint simulating, in combination with the technique of extraction of the Coefficients of Fourier Projections Radials and Circulars (FORAPRO), and to propose an algorithm of invariant viewpoints and robust repetitive patterns and low contrast. In general, our proposal summarizes the following stages: (a) We distort the image, varying the parameters of inclination and rotation of the camera, to produce some models and achieve perspective invariance deformation, (b) use as the model to be search in the image, to choose the that match best, (c) realize the template matching. The two last stages of process are based on invariant features by images rotation, scale, brightness and contrast extracted by Fourier coefficients. Our approach, that we call AFORAPRO, was tested with 350 images that contained diversity in applications, and demonstrated to have invariant viewpoints, and to have excellent performance in the presence of patterns repetitive and low contrast.

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Hong, Guo-Chin, and 洪國欽. "Development of Template Circuit and 2D Device Simulator." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/rt7kpv.

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碩士
國立中央大學
電機工程研究所
94
In this thesis, we develop two template simulators. First simulator is the template transient circuit simulator (TR_CKT). It includes many circuit elements. The user can use TR_CKT for circuit application. Second simulator is the template transient device simulator (TR_DEV2D). The principle of the TR_DEV2D is to formulate Poisson’s and continuity equations into the equivalent-circuit model. It can be used to simulate the semiconductor device and mixed-level application. We have developed the format of input files for the two simulators. The user can follow the input files for circuit simulation, 2D device simulation, and the mixed-level device and circuit simulation.

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Fu, Boshen. "Simulation of microstructural evolution of cross-linked templated silica-aerogels under compression." 2009. http://digital.library.okstate.edu/etd/Fu_okstate_0664M_10611.pdf.

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Chang, Po-Shun, and 張博舜. "Developmentof 2D template device simulator including impact-ionization models." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/yshz88.

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碩士
國立中央大學
電機工程研究所
94
In this thesis, we develop a template 2D device simulator, which included impact-ionization circuit model. It is based on the template input file. The template input language can help user write input file easier. Because the impact-ionization circuit model spends much time on the device simulation and the impact-ionization mechanism is a strong function of electric field. So we use two methods to model the impact-ionization current and hope to find a good way to save simulation time. In the PN diode simulation, we found the staircase current in small reverse bias. We discuss the cause of the staircase current and improve this phenomenon. Finally, we apply II_Dev2D to simulate the BJT and the SCR and study the operation concepts of these applications.

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Lin, Yen Kun, and 林彥昆. "Development of Dental Implant Simulation System Based on Integration of Surgical Template and Augmented Reality." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/02685775277231564558.

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博士
國立中正大學
機械工程學系暨研究所
102
Dental implant restoration procedure has substantially increased in recent years. There has been continuous and increasing demand for CAD/CAM-based surgical template used to facilitate proper implant placement. Thus, an effective and correct training is becoming more and more important. The aim of this study is to develop a surgical template-based training system via augmented reality (AR) for operator to virtually observe and sense as well as practice the guided implant surgery procedures. Firstly, the 3D virtual volumetric data based on the volume rendering will be generated from 2D medical images. The automatic transfer function will be used to capture bone, teeth, and soft tissue parts. The digital nerve canal, sinus and the customized surgical template models will be built from medical images. Then, AR is utilized to superimpose the 3D virtual models onto the existing scene during the training. The operator could see the planned implants and adjacent anatomical structures of the virtual 3D jawbone on the screen of laptop or head-mounted display (HMD). A haptic device will also be used to provide the force feedback in the drilling and screwing operations in order for the operator to sense the different force feedback during operation. A haptic guiding force will be used to simulate the constrained effect when using the surgical template. Then, an AR-based surgical template is mounted on a cast made according to the clinical patient and fixed it within the dummy head. The operator uses a handpiece and a hand held sleeve insert to practice the dental implant surgery in this dummy head. In addition, we evaluate the accuracy of the virtually planned versus the actual prepared implant site created in vitro by the proposed system. The proposed system is highly applicable to virtual dental training and practices, and for the operator to keep practicing and previewing the location of the implant during operation. The dental implant can be placed in the predetermined location in the patient’s jawbone precisely. The user has the virtual but real perception in vision and touch. Moreover, deviation of implant placement from planned position was significantly reduced by integrating surgical template and augmented reality technology according to the evaluation. Therefore, the proposed system can help users obtain more “like real” practice opportunities and experiences before real operation. Finally, the proposed system can significantly reduce the risk of injury to patients and avoid unnecessary complications during dental implant surgical procedures.

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(6611708), John A. Biechele-Speziale. "THE EFFECT OF WATER MOLECULES ON HEADGROUP ORIENTATION AND SELF-ASSEMBLY PROPERTIES OF NON-COVALENTLY TEMPLATED PHOSPHOLIPIDS." Thesis, 2019.

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Simulations of various hydration levels of lamellar phase 23:2 Diyne PC were performed, and subsequent, serial docking simulations of a tyrosine monomer were replicated for each system in both hydrated and dehydrated states.
The goal was to evaluate how hydration impacts self-assembly and crystallization on the surface, and
whether or not these simulations, when run sequentially, could determine the answer. It was discovered that hydrated and dehydrated surfaces behave differently, and that
headgroup orientation plays a role in the initial docking and self-assembly process of the tyrosine monomer. It was also determined that potential energy as a sole metric
for determining whether or not a specific conformation of intermolecular orientation is not entirely useful, and docking scores are likely useful metrics in discriminating between conformations with identical potential energy values.

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Ebrahiminejad, Rafsanjani Amin. "Towards small scale sensors for turbulent flows and for rarefied gas damping." Thesis, 2017. https://dspace.library.uvic.ca//handle/1828/8929.

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This thesis makes contributions towards the development of two different small-scale sensing systems which show promise for measurements in fluid mechanics. Well-resolved turbulent Wall Shear Stress (WSS) measurements could provide a basis for realistic computational models of near-wall turbulent flow in aerodynamic design. In aerodynamics field applications, they could provide indication of flow direction and regions of separation, enabling inputs for flight control or active control of wind-turbine blades to reduce shock and fatigue loading due to separated flow regions. Traditional thermal WSS sensors consist of a single microscale hot-film, flush-mounted with the surface and maintained at constant temperature. Their potential for fast response to small fluctuations may not be realized, as heat transfer through the substrate creates heat-exchange with fluid, leading to loss of spatial and temporal resolution. The guard-heated thermal WSS sensor is a design introduced to block this loss of resolution. A numerical flow-field with a range of length and time and scales was generated to study the response of both guard-heated and conventional single-element thermal WSS sensors. A conjugate heat transfer solution including substrate heat conduction and flow convection, provides spatiotemporal data on both the actual and the “measured” WSS fluctuations calculated from the heat transfer rates experienced due to the WSS field. For a single-element sensor in air, we found that the heat transfer through the substrate was up to six times larger than direct heat transfer from the hot-film to the fluid. The resulting loss of resolution in the single-element sensor can be largely recovered by using the guard-heated design. Spectra for calculated WSS from heat transfer response show that high frequencies are considerably better resolved in guard-heated sensors than in the single element sensor. Nanoresonators are nanowires (NWs) excited into mechanical vibration at a resonance frequency, with a change in spectral width created by gas damping from the environment, or a shift in the resonance peak frequency created by added mass. They enable a wide range of applications, from sensors to study rarefied gas flow friction to the detection of early-stage cancer. The extraordinary sensitivity of nanoresonators for disease molecule detection has been demonstrated with a few NWs, but the high cost of traditional electron-beam lithography patterning, have inhibited practical applications requiring large arrays of sensors. Field-directed assembly techniques under development in our laboratory enable a large number of devices at low cost. Electro-deposition of metals in templates yields high-quality single nanowires, but undesired clumps must be removed. This calls for separation (extraction) of single nanowires. In this work, single nanowires are extracted by using the sedimentation behavior of particles. Based on numerical and experimental analyses, the optimum time and region for extracting samples with the highest fraction of single nanowires ratio was found. We show that it is possible to take samples free of large clumps of nanowires and decrease the ratio of undesired particles to single nanowires by over one order of magnitude.
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