Dissertations / Theses on the topic 'CAD tools'
Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles
Consult the top 50 dissertations / theses for your research on the topic 'CAD tools.'
Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.
You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.
Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.
Balakrishnan, Radhakrishnan, and Shijith Kunneth Kesavan. "CAD TOOLS FOR HYBRID INTEGRATION." Thesis, Blekinge Tekniska Högskola, Institutionen för tillämpad signalbehandling, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4800.
Full text+46764354255, +46722694942
De, Oliveira Maria Cristina Ferreira. "CAD tools for digital control." Thesis, Bangor University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238368.
Full textFord, D. G. "A CAD/CAE aid to design of a machine tool system." Thesis, University of Huddersfield, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280654.
Full textRobertson, Ian W. "CAD tools for dynamically reconfigurable logic (DRL)." Thesis, University of Strathclyde, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401377.
Full textChen, Kun. "Haptic system for collision-free 5-axis tool path generation /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?MECH%202006%20CHENK.
Full textHABIB, MD AHASHAN, and LIPOL LEFAYET SULTAN. "Digital Tools for Product Development and Organizational Management." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-20120.
Full textProgram: Magisterutbildning i Applied Textile Management
Hu, Yi. "Computer aided design tools for high performance DSP ASICS." Thesis, Queen's University Belfast, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310187.
Full textMeyer, Jason. "Novel SRAM-based FPGA architectures and supporting CAD tools." Ann Arbor, Mich. : ProQuest, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3258043.
Full textTitle from PDF title page (viewed Mar. 18, 2008). Source: Dissertation Abstracts International, Volume: 68-03, Section: B, page: 1732. Adviser: Fatih Kocan. Includes bibliographical references.
Yu, Kristie 1976. "Development of heterogeneous CAD assembly tools for collaborative design." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/89900.
Full textTabani, Haroon R. "Application of NC machining of complex surfaces to streamlined extrusion dies." Ohio : Ohio University, 1989. http://www.ohiolink.edu/etd/view.cgi?ohiou1182523937.
Full textJoshi, Hrishikesh S. "Open architecture for embedding VR based mechanical tools in CAD." Online access for everyone, 2006. http://www.dissertations.wsu.edu/Thesis/Fall2006/h_joshi_010507.pdf.
Full textHundewale, Nisar. "CAD Tools for DNA Micro-Array Design, Manufacture and Application." Digital Archive @ GSU, 2006. http://digitalarchive.gsu.edu/cs_diss/13.
Full textTang, Dennis. "Evaluation of EDA tools for electronic development and a study of PLM for future development businesses." Thesis, Linköpings universitet, Fysik och elektroteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-104011.
Full textMcGregor, Gordon Charles. "CAD tools and techniques for the development of dynamically reconfigurable systems." Thesis, University of Strathclyde, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405543.
Full textDelépine, Baudoin. "Computer-aided design (CAD) tools for bioproduction and biosensing pathway engineering." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLE032/document.
Full textAdvances in systems and synthetic biology are fueling our ability to develop successful metabolic engineering applications for the sustainable production of bio-based chemicals. We can envision a future in which designer cells could be engineered to transform any carbon source into any target compound. This daunting task will be achieved by leveraging methods that proved themselves in other engineering disciplines. Among those, the use of Computer Aided Design(CAD) softwares is expected to reduce the amount of time and expert knowledge needed to design de novo metabolic pathways. The first part of this thesis is dedicated to our pathway prediction algorithm and its CAD implementations. Most notably, we will present RetroPath2.0, a versatile reaction network prediction framework focused on retrosynthesis that is built to be easily extensible by the community. In the second part, we will highlight the interest of intracellular biosensors for metabolic engineering and introduce SensiPath, a web application that uses a reaction prediction engine to design biosensing circuits for compounds for which no direct biosensors are known. Altogether, this thesis proposes that bioCAD tools should focus on empowering users’ creativity and encourage them to explore original applications
Zhao, Yue. "The integration of CAD and a knowledge based cutting tools selection system." Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267191.
Full textArnet, Cameron (Cameron Josef). "A preliminary analysis on the emotional impact of synchronous, collaborative CAD tools." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/120270.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (page 29).
This thesis seeks to explore the effectiveness or lack thereof of synchronous, collaborative CAD software, and compare the performance of individuals utilizing such software to one another. Two platforms were used, Solidworks and Onshape, in which the latter had both an independent and a synchronous, collaborative option available. 16 individuals who were already familiar with CAD tools participated in the study, with each utilizing one of the prescribed workflows for the entirety of the hour long trial. Video of the participant's faces and onscreen interaction with the software was recorded throughout the duration of a prescribed task, and the video was utilized in the analysis section of this study. An in depth empirical and statistical analysis is subsequently outlined, and is intended to be utilized as a stepping stone to a later study that will correlate the emotional analysis summarized here with another study dedicated to the user interaction with the software.
by Cameron Arnet.
S.B.
Ng, Foo Meng. "Virtual reality and computer-based tools for the routing of cable harnesses." Thesis, Heriot-Watt University, 1999. http://hdl.handle.net/10399/1217.
Full textDvořák, Kamil. "Výroba součásti na CNC soustruhu MORI SEIKI NL2000." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228214.
Full textVidal, Tabata. "Concepção de proteses mioeletricos de membros superiores baseado no estudo fisiologico." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/264737.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica
Made available in DSpace on 2018-08-11T07:22:27Z (GMT). No. of bitstreams: 1 Vidal_Tabata_M.pdf: 5227439 bytes, checksum: 003d20540fa55512408c2b363171f23c (MD5) Previous issue date: 2008
Resumo: O objetivo deste trabalho foi revisar na literatura os desenvolvimentos da aplicação das tecnologias envolvidas em automação dedicadas às próteses mioelétricas de membros superiores, desde os primeiros trabalhos implementados no período pós-Segunda Guerra Mundial até as soluções tecnológicas atualmente utilizadas. O conceito de prótese mioelétrica envolve a aquisição e tratamento do sinal mioelétrico de um membro residual que é usado para acionar um atuador que ativará a ferramenta terminal. Objetivando a elaboração de uma solução compatível e aplicável harmonicamente ao sistema orgânico, foram realizados estudos da anatomia, da fisiologia articular dos membros superiores, da natureza e características do sinal mioelétrico, além das tecnologias envolvidas para a concepção de protótipos mecatrônicos, tais como técnicas de CAD-CAE-CAM e a geração de circuitos eletrônicos dedicados à coleta e tratamento de sinais mioelétricos. Para validar o desenvolvimento teórico, três protótipos da ferramenta terminal foram confeccionados, sendo testados em nível de bancada
Abstract: The goal of this work was to review the specialized literature for the development of technological applications connected with automation of myoelectrical prosthesis of upper limbs throughout the years, from World War 2 post-war solutions to the technology currently applied. The concept of myoelectrical prosthesis presupposes implies the acquisition and treatment of the myoelectrical signal of a residual limb which is used to start an actuator, which in turn activates the terminal tool. Aiming at encountering a solution that could be both compatible and harmoniously applicable to the human body, the author engaged in studying anatomy, upper limbs articular physiology, the nature and characteristics of the myoelectrical signal in addition to the technologies utilized to conceive mechatronic prototypes, i.e. CAD-CAE-CAM and the creation of dedicated electronic circuits to collect and process the myoelectrical signals. To validate the theoretical foundation of this project, three prototypes of terminal tools were manufactured and bench-tested.
Mestrado
Mecanica dos Sólidos e Projeto Mecanico
Mestre em Engenharia Mecânica
Mitzenheim, Thomas, and Christoph Knoch-Weber. "Innovation in der Orthopädie- und Rehatechnik, 3D-Digitalisierung und CAD/CAM-Nutzung." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-214953.
Full textMüller, Maria. "OHS Practitioners' Application of CAD-tools as Medium for Participatory Design : Facilitating the Projection of Office-layouts." Thesis, KTH, Ergonomi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-181313.
Full textMarchioro, Gilberto Fernandes. "Silex : sistema para a integração de ferramentas de projeto de circuitos integrados." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 1992. http://hdl.handle.net/10183/26381.
Full textSILEX is an open and integrated system built up to aid the design of integrated circuits. The SILEX System is composed of internal resources and user tools (clients of the resources). The user has at his disposal a graphic interface based on the use of windows, activating tools in an uniform and consistent way. The SILEX CAD system is formed by a set of interdependent modules (tools), each one realizing certain function and transmitting data. The designer is client of a set of processes that answer his/her requests. The main idea of the project is to hide from the final user all tasks which are not directly related to the art of design, like format conversion, data storage and maintenance and user interaction with tools. One of the goals of the system is the regularity in its use, for there is always the need to integrate new tools. The user can suply new algorithms that may be included in the working environment without any change in the SILEX code. The system helps tool designers by suplying them with a set of routines, coding rules and resources. The set of routines allows integration of the tool with the system, while the coding rules normalize the use of the available resources. All data generated by the user interaction with the available tools is linked to a Project, previously defined and cataloged. Data is then handled by a dedicated tool performing I/O, responsible for the reading, writing and converting of data among different tools, freeing User Tools from this task. By being centralized, Project Data are controlled regarding access, dependency and versioning. SILEX is completely built on top of the OpenWindows environment. Its goal is to initially provide simple and efficient solutions that allow the integration of a set of tools. Next tasks will be the enhancement of the system so that SILEX acquires all desirable characteristics not yet reached or reported in the literature.
Eves, Keenan Louis. "A Comparative Analysis of Computer-Aided Collaborative Design Tools and Methods." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7253.
Full textLi, Zhaoyi, and n/a. "Analysis and Design of Virtual Reality Visualization for a Micro Electro Mechanical Systems (MEMS) CAD Tool." Griffith University. School of Information and Communication Technology, 2005. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20060731.121340.
Full textGarcia, Sara Filipe Lopes. "As tecnologias CAD no design de produto. Da ideia à sua materialização." Master's thesis, Faculdade de Arquitectura de Lisboa, 2010. http://hdl.handle.net/10400.5/3002.
Full textA incorporação da área da tecnologia informática no design de produto provocou uma verdadeira revolução em todas as etapas do processo projectual, tornando-se difícil falarmos de design de produto sem nos referenciarmos com as tecnologias CAD. Estas são hoje um precioso auxílio ao designer no desenvolvimento do produto, não só na fase de projecto como nas fases sequentes obrigatoriamente relacionadas – a engenharia, a produção, o marketing, a gestão. No entanto, mais do que um mero auxílio o CAD afigura-se com capacidades de estabelecer uma lógica própria na prática projectual, com potencialidades para se tornar num verdadeiro gestor de todo o processo. De modo a explorar esta hipótese, as metodologias adoptadas foram, numa primeira fase, a elaboração de uma crítica literária, e numa segunda fase foram efectuados estudos de caso a três empresas portuguesas e a uma universidade de ensino superior público. Foi realizada uma análise dos resultados, que verificaram a nossa hipótese e levou às conclusões e a recomendações para futuras investigações. É essencial que o designer se aperceba das potencialidades das tecnologias informáticas, tanto ao nível dos sistemas CAD como a outros sistemas informáticos a jusante do projecto, de modo a poder dialogar com todos os intervenientes no processo numa concepção holística. Além do mais, é fundamental que as tecnologias CAD suportem um papel importante na coordenação de processos, produtos e conhecimentos.
ABSTRACT: The incorporation of computer technology in product design caused a true revolution in all the stages of the design process, where it is almost unthinkable to talk about product design without mention CAD technologies. These are today a precious aid to the designer in product development, not only in the project but in every parts related – engineering, manufacturing, marketing and management. Though, more than just an aid, CAD seems capable to establish his own logic in the project practice, with potential to become a true manager of the whole process. In order to explore this hypothesis, the research methods used were, in a first phase, the literature review, and in a second stage there were made case studies to three different Portuguese companies and to one public higher education university. We performed an analysis of the findings, which verified our hypothesis which leaded us to the conclusions and to future research directions. It is essential that the designer takes awareness of the importance of the computer technologies, both at the level of the CAD systems as other computer systems downstream of the project, in order to be able to dialogue with all the stakeholders in the process in a holistic conception. It is also essential that CAD technologies assume an important role in the coordination of processes, products and knowledge.
Li, Zhaoyi. "Analysis and Design of Virtual Reality Visualization for a Micro Electro Mechanical Systems (MEMS) CAD Tool." Thesis, Griffith University, 2005. http://hdl.handle.net/10072/366361.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Information and Communication Technology
Full Text
Guntzel, José Luis Almada. "Geração de circuitos utilizando matrizes de células pré-difundidas." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 1993. http://hdl.handle.net/10183/28638.
Full textThis work proposes and evaluates a new approach for the design of ASICs using prediffused masterslices. The main advantage of this approach, called Marcela, relles on logic decomposition of the circuit to be implemented into the chosen masterslice available primitives. By applying this procedure, a great placement and routing flexibility is achieved, thus leading to a better transistor utilization rate. First, a survey on current prediffused approaches is done and an specific taxonomy is defined based on the main important features encountered. Also the main features of TRANCA methodology are shown. Layouts generated using TRAGO and TRAMO modules are analyzed and some modifications in the methodology are suggested, in order to better exploit both first and second metal layers. Marcela approach development basis are described. The approach consists of a new prediffused architecture and an specific occupation strategy. The main architectural features of the general purpose Marcela masterslice are the absence of routing channels, with the connections running over the cells, and the utilization of four types of basic cells, each of them dedicated to perform one primitive logic function. Basic cells are organized into basic units, which are spread a11 over the masterslice, in a so called sea-of-cells approach. The assignment problem and its peculiarities are solved by using a combination of sequential cell allocation and quadrature partition techniques. But first of all, a minimum masterslice area is allocated in a phase called preassignment. In the optimization phase, partitions are generated respecting basic units integrity and cell interchanges are applied to each new partition, following two steps: individual changes, while the target block is not, full. and pairwise interchange. For the routing problem, an specific tool has been developed at CPGCC/UFRGS for any module generator in which TRANCA methodology is applied. This tool, called MARTE [JOH 92a][JOH 92b], employs a basic Lee algorithm with some modifications as dogleg generation for changes between adjacent tracks. In order to validate the approach, some circuits have been implemented using a traditional sea-of-gates and Marcela approaches. For small circuits, as a D flip-flop, Marcela approach has produced a better wiring distribution, which results in increase of transparency. But the occupation rate was found to be smaller than that of the sea-of-gates approach. On the other hand, for more complex circuits the amount of used area can be smaller than that of sea-of-gates case, since appropriate logic transformations are applied to the Marcela logic equivalent or a well suit masterslice is used. Implemented examples show that utilization rates as high as 0.75 are achieved. Finally, from the observation of automatically generated layouts some modifications in masterslice architecture and in the algorithms are figured out.
Hall, Richard C., and Doris I. Wu. "ANALYSIS AND DESIGN OF CONFORMAL PRINTED ANTENNAS." International Foundation for Telemetering, 1995. http://hdl.handle.net/10150/608419.
Full textConformal printed antennas of arbitrary shape are used for telemetry applications on high velocity vehicles due to their small size and light weight. The design of these antennas is difficult, however, since there are few accurate analytical models that take the effects of curvature into account. This paper discusses a computer aided design (CAD) tool for arbitrarily shaped printed antennas on cylindrical structures based on a rigorous analytical model. The tool is combined with a graphical user interface and can help antenna designers achieve close to optimal performance. An overview of the mathematical model is given here and the CAD tool is used to highlight the effects of curvature on printed antenna performance. Methods of obtaining circular polarization are reviewed.
Ekströmer, Philip. "A first sketch of Computer Aided Ideation : Exploring CAD tools as externalization media in design ideation." Licentiate thesis, Linköpings universitet, Maskinkonstruktion, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-162022.
Full textCostanza, Jole. "Biological Circuit Design via BioCAD Tools." Doctoral thesis, Università di Catania, 2014. http://hdl.handle.net/10761/1558.
Full textWinn, Joshua D. "Integration of Massive Multiplayer Online Role-Playing Games Client-Server Architectures with Collaborative Multi-User Engineering CAx Tools." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/6209.
Full textWikström, Jonas. "3D Model of Fuel Tank for System Simulation : A methodology for combining CAD models with simulation tools." Thesis, Linköpings universitet, Maskinkonstruktion, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-71370.
Full textAtt utveckla ett nytt flygplanssystem är en väldigt komplicerad arbetsuppgift. Därför används modeller och simuleringar för att testa icke befintliga system, minska utvecklingstiden och kostnaderna, begränsa riskerna samt upptäcka problem tidigt och på så sätt minska andelen implementerade fel. Vid sektionen Vehicle Simulation and Thermal Analysis på Saab Aeronautics i Linköping designas och simuleras varje grundflygplanssystem, ett av dessa system är bränslesystemet. För närvarande används 2-dimensionella rätblock i simuleringsmodellen för att representera bränsletankarna, vilket är en väldigt grov approximation. För att kunna utföra mer detaljerade analyser behöver modellerna utökas med en bättre geometrisk beskrivning av bränsletankarna. Denna rapport går igenom de olika stegen i den framtagna metodiken för att kombinera 3- dimensionella tankmodeller skapade i CATIA med dynamisk simulering av bränslesystemet i Dymola. Den nya 3-dimensionella representationen av en tank i Dymola bör kunna beräkna bränsleytans läge under en simulering av ett manövrerande flygplan. Första steget i metodiken är att skapa en solid modell av bränslet som finns i tanken. Därefter specificeras modellens giltighetsområde och alla tänkbara riktningar hos accelerationsvektorn som påverkar bränslet genereras, dessa används sedan i den automatiserade volymanalysen i CATIA. För varje riktning delar CATIA upp bränslemodellen i ett bestämt antal delar och registrerar volymen, bränsleytans läge samt tyngdpunktens position för varje del. Med hjälp av radiala basfunktioner som har implementerats i MATLAB approximeras dessa data och en surrogatmodell tas fram, denna implementeras sedan i Dymola. På så sätt kan bränsleytans och tyngdpunktens läge beräknas på ett effektivt sätt, baserat på riktningen hos bränslets accelerationsvektor samt mängden bränsle i tanken. Den nya 3-dimensionella tankmodellen simuleras i Dymola och resultaten jämförs med mätningar utförda i CATIA samt med resultaten från den gamla simuleringsmodellen. Resultaten visar att den 3-dimensionella tankmodellen ger en mycket bättre representation av verkligheten och att det är en stor förbättring jämfört med den 2-dimensionella representationen. Nackdelen är att det tar ungefär 24 timmar att få fram denna 3-dimensionella representation.
Pinto, Felipe de Andrade. "Posicionamento visando redução do comprimento das conexões." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/56854.
Full textThis work is focused on placement problem of VLSI circuits. The goal is organize the logic gates reducing the total wirelength that connect them. A non-effective placement assignment will not only affect the circuit performance but might also make it non-manufacturable by producing excessive wirelength. Then the next step in the assembly line, the routing problem could be insolvable. In this work will be presents four differents techniques. The techniques are based on changing the graph to improve the placement results. The first one is the Critical Star that applies some extra nodes and edges to reduce the critical paths. The second algorithm is the Logical Core I which brings a new method to analyze the circuit hardness to place a circuit. The third algorithm is called Logical Core II and the focus is generate a vector with hardness to place each cell in the circuit, and increasing the placer information about the problem. The Logical Core I and II, both improving the possibility to compare the hardnesses, in different abstraction levels, and improve the placement controllability. The fourth algorithm is a fast algorithm, based on use the Logical Core II, it creates an effective clustering technique to improve the state-of-art placers results. Reducing the runtime and sometimes improving the wirelength results.
Ryskamp, Jordan David. "Developing Intelligent Engineering Collaboration Tools Through the use of Design Rationale." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2428.
Full textRibeiro, Carlos Fernando Morgado. "Development of computational tools for Isogeometric Analysis (IGA)." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14421.
Full textA few years ago drawings were made in the drawing boards and using pencils on vellum. There were no computers helping the designers in the parts modeling. After designing the object, the design was passed to the analysts. The designers and analysts were in constant communication. Nowadays, the designers used Computer Aided Design (CAD) tools in the parts modeling. For application the analysis at the geometries, initially a mesh to approximate the geometries is generated. After this, on the mesh the Finite Element Method (FEM) was applied. In complex engineering design, the generation and manipulation of meshes in FEA was estimated to take over 80% of the overall analysis time. The form to break down the barriers between engineering design and the analysis is with reconstruction the entire process, but at the same time maintaining compatibility with existing practices. Create only one geometric model is the focus of reconstruction process. This geometric model is used in the representation of the geometry, as well as in the analysis, and this concept is designated by Isogeometric Analysis (IGA). In this present work the development of the tools for generate the CAD and calculate the basis function for representation the object are proposed. Initially, the mathematical formulations for Bézier, B-Spline and NURBS, for curves and surfaces are presented. The algorithms developed to generate the curves and surfaces are demonstrated. The IGA and FEM formulation for tridimensional and bidimensional spaces are introduced. In this work, a development of a tools for application this method are proposed. The convergence of the results for FEM and IGA programs are studied and compared to the theoretical values and Abaqus comercial program. The results obtained with IGA formulation converge to the reference values.
Há alguns anos atrás, os objectos eram feitos pelos designers e a criação do desenho era feita com lápis e papel vegetal. Não existiam computadores nos gabinetes de desenho para ajudar na modelação dos objectos. Após o desenho estar concluído este era entregue aos analistas para calcularem a resistência do mesmos quando solicitados por cargas externas. Assim, o gabinete de design e o gabinete de análise estavam em constante comunicação. Nos tempos de hoje os designers utilizam as ferramentas de Computer-Aided Design (CAD) para gerar os objectos, representando assim a geometria original. Por outro lado, os analistas fazem a análise baseada no Método dos Elementos Finitos (MEF). Neste método, inicialmente, gera-se uma malha para fazer a aproximação do objecto e utiliza-se esta malha gerada na análise. A forma de combater esta barreira é a construção de um novo processo de análise, mas ao mesmo tempo manter a compatibilidade com a análise do Método de Elementos Finitos. Este novo método foca-se na geração de um modelo geométrico, sendo este modelo utilizado tanto para a representação da geometria como para a análise. A principal sustentação deste novo método é a utilização das funções de base da criação e representação dos objectos, posteriormente, utilizadas na análise dos mesmos. Este novo conceito é designado por Análise Isogeométrica. Neste trabalho é exposto o desenvolvimento de ferramentas para gerar curvas e superfícies utilizando as formulações de Bézier, B-spline e NURBS. Assim, desenvolveram-se sub-rotinas para calcular as funções de base. Inicialmente apresentaram-se as formulações matemáticas e posteriormente os algoritmos desenvolvidos para a representação das curvas e superfícies. O desenvolvimento de ferramentas de análise para problemas no espaço bidimensional e tridimensional utilizando o Método de Elementos Finitos e a Análise Isogeométrica também é abordado neste trabalho. Para ser mais fácil a sua aplicação, foi desenvolvida um interface. Por fim utilizaram-se problemas e estudaram-se as curvas de convergência dos resultados e compararando-os com as referência analíticas e com o programa Abaqus. Em termos de conclusão, os resultados obtidos com a Análise Isogeométrica convergem mais rapidamente para os valores de referência do que o Abaqus e o programa desenvolvido com base no método de elementos finitos.
Seo, Chung-Seok. "Physical Design of Optoelectronic System-on-a-Chip/Package Using Electrical and Optical Interconnects: CAD Tools and Algorithms." Diss., Available online, Georgia Institute of Technology, 2005, 2004. http://etd.gatech.edu/theses/available/etd-11102004-150844/.
Full textDavid E. Schimmel, Committee Member ; C.P. Wong, Committee Member ; John A. Buck, Committee Member ; Abhijit Chatterjee, Committee Chair ; Madhavan Swaminathan, Committee Member. Vita. Includes bibliographical references.
George, Suma. "Can my chip behave like my brain?" Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54905.
Full textBergsten, Susan. "Industrialised building systems : vertical extension of existing buildings by use of light gauge steel framing systems and 4D CAD tools." Licentiate thesis, Luleå, 2005. http://epubl.luth.se/1402-1757/2005/23.
Full textSevero, Lucas Compassi. "Uma ferramenta para o dimensionamento automático de circuitos integrados analógicos considerando análise de produtividade." Universidade Federal do Pampa, 2012. http://dspace.unipampa.edu.br:8080/xmlui/handle/riu/245.
Full textMade available in DSpace on 2015-05-09T19:09:43Z (GMT). No. of bitstreams: 1 117110018.pdf: 4311604 bytes, checksum: 0978b40aef931c296de315514d7d64ac (MD5) Previous issue date: 2012-11-22
A indústria de microeletrônica tem a sua evolução ditada pela necessidade cada vez maior de integração de circuitos como memórias e processadores, fazendo com que os dispositivos semicondutores sejam cada vez mais miniaturizados. Esta miniaturização implica processos de fabricação cada vez mais complexos, resultando em uma grande variabilidade de parâmetros. O projeto de circuitos analógicos torna-se cada vez mais complexo, pois em geral é altamente suscetível às variações de processo, o que afeta a sua produtividade. Uma das partes mais complexas deste projeto é o dimensionamento dos dispositivos que compõem o circuito, pois o espaço de projeto é altamente não-linear e nem sempre se conhece a localização do seu ponto ótimo. Neste contexto, este trabalho tem como objetivo o desenvolvimento de uma ferramenta para o dimensionamento automático de circuitos integrados analógicos, capaz de lidar com a variabilidade dos parâmetros e visando aumentar a produtividade do circuito gerado. Esta ferramenta baseia-se no dimensionamento do circuito como um problema de otimização baseado em simulação elétrica SPICE. O objetivo principal é receber as especificações requeridas de uma topologia de circuito e, através de técnicas de inteligência artificial, explorar o espaço de soluções em busca de soluções otimizadas que atendam às restrições impostas. Além disso, espera se obter soluções que atendam às especificações requeridas mesmo com variações no processo de fabricação. Para isso, são empregadas técnicas de design centering de modo a maximizar a produtividade do circuito. A ferramenta desenvolvida foi implementada de maneira modular, permitindo que a análise do dimensionamento do circuito possa ser realizada sob diferentes aspectos. Como resultado, este trabalho apresenta duas topologias de amplificadores operacionais automaticamente dimensionadas em tecnologia CMOS, tendo como objetivo a minimização da área de gate e da potência dissipada, além da maximização da produtividade. Os circuitos gerados apresentaram melhor desempenho em comparação com resultados descritos na literatura.
The microelectronics industry has the CMOS technology evolution dictated by the capability of integration of digital circuits such as memories and processors, causing the semiconductor devices miniaturization. The miniaturization leads to complex manufacturing processes with high parameters variation. Analog circuit designs are complex and highly susceptible to process variations, affecting the circuit yield. One of the most complex part of the analog design is the circuit sizing, since the possible solutions have a highly nonlinear design space and the optimal solution is not known. In this context, this work aims at developing a tool for the automatic sizing of analog integrated circuits that is able to deal with parameter variation in order to yield maximization. This tool is based on the circuit sizing as an optimization problem based on electrical SPICE simulations. The main objective is to receive the required specifications of a circuit topology and, by means of artificial intelligence techniques, to explore the design space for optimized solutions that meet the circuit constraints. Furthermore, it is expected to obtain solutions which meet the specifications required even with the presence of variations in the manufacturing process. For this purpose, design centering techniques are implemented for yield maximization. The tool is implemented with modular functions, enabling the sizing process on different configurations. As results, this work present the automatic design of two CMOS operational amplifiers topologies, with the goal to reduce the power dissipation and the gate area and to maximize the yield. The results present good performance when compared to similar designs found in literature.
Tsai, Geoffrey T. "The tools we use : a study of user preferences for sketches, prototypes, and CAD models and the influence on design outcome." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/106785.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages [58]-[60]).
During a product design and development process, design teams use a variety of tools to generate and represent multiple design options before they eventually arrive at a singular design solution. Studying how these tools can influence the design outcome has the potential to enable designers to become more aware of the choices they make when they choose to use a tool. Because so much of the cost of a product is determined during the early stages of product development, reviewing these design alternatives with stakeholders is a valuable part of the process. Understanding how stakeholders respond to a design representation is vital to interpreting potential user feedback accurately In this dissertation, I investigate these questions about early-stage design process: I. How does the use of a specific design tool influence the design outcome? II. What design attributes do designers associate with these tools? In Part I of this research, designers made sketches, foam model prototypes, or CAD models in a controlled experiment. Followed by a survey of the designs with potential users, Part I demonstrated how different design tools affect the quantity and quality of ideas, including that designs created as prototypes were recognized as more novel, more aesthetically pleasing, and more comfortable to use. In Part II, in a survey of designers with experience in sketching, foam models, and CAD, designs from Part I were re-represented as sketches. Experienced designers exhibited a better-than-random likelihood to identify the original tool used to create the design, despite viewing only the re-sketch. This suggests artifacts of a design tool persist in a design representation despite the design being translated from one medium to another.
by Geoff Tsai.
Ph. D.
Vaidya, Rohit R. "Image Processing (IP) Assisted Tools for Pre- and Post-Processing Operation in Additive Manufacturing (AM)." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1470757856.
Full textMeinhardt, Cristina. "Geração de leiautes regulares baseados em matrizes de células." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2006. http://hdl.handle.net/10183/11273.
Full textThis work presents a research for physical synthesis of integrated circuits, which are less susceptible to the effects of variability observed in fabrication technologies using nanometers scale. Moreover, it presents a CAD tool developed to generate regular layouts, which is called R-CAT. The geometric regularity is achieved using basic patterns repeated along one matrix structure. Regularity is pointed like one of the best alternatives to deal with submicron technologies issues. Regular designs are less susceptible to lithographic problems, improve the yield and decrease the time to re-spin. Furthermore, regular circuits improve predictability of power consumption, timing and yield results, because the cells are pre-characterized. The developed tool focuses on two types of physical synthesis for regular layouts, producing either integrated circuit customized using all masks or integrated circuits customized using some masks. The main goal is the facility of conversion and adaptation depending on the chosen matrix approach. This will make easier the comparison of different matrix approaches, besides the adoption of several logic blocks and new technologies. R-CAT layout generator identifies adjacent cells that are placed in a same row and have common connections between them. In this case, the generator can make these connections in Metal 1. This technique reduces the number of connections to be done by the router. The experiments showed that this technique is able to reduce about 10% the number of connections to be done. This tool is inserted into a design flow and it is dependent of the logic synthesis methodology adopted. Two logical syntheses tools were used in the flow: SIS and OrBDDs. R-CAT SIS and R-CAT orBDD Matrices were generated for a set of circuits. The use of R-CAT tool with SIS and orBDD logical synthesis offers two design lines: the first one highlights area and the second one emphasize timing and short connections. Both of them respect the same geometric regularity. The results demonstrate that SIS matrices present 53% less area than orBDD approach and reduce the wire length by 30%. The area reduction is achieved because the SIS tool generates descriptions with the half of logic cells and nets. Nevertheless, the R-CAT orBDD matrices decreased the medium wire length, reduced the fan-out in 15%, reduced the delay and improved the routability. orBDD synthesis presents few non-routed nets without extra tracks insertion. Moreover, the R-CAT matrices obtained about 40% better results in wire length and they reduced area in 46% when compared to MARTELO matrices.
Chaudhari, Sachin B. "DEVELOPMENT OF AN INTERNET-BASED ANALYSIS TOOL USING THE BOUNDARY ELEMENT METHOD." University of Cincinnati / OhioLINK, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=ucin971963697.
Full textBarbosa, Neto Wilson 1983. "Do projeto à fabricação : um estudo de aplicação da fabricação digital no processo de produção arquitetônica." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258032.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo
Made available in DSpace on 2018-08-24T11:31:11Z (GMT). No. of bitstreams: 1 BarbosaNeto_Wilson_M.pdf: 18612146 bytes, checksum: d8fbaaa3aaa7ff8e9008c22519dc03e7 (MD5) Previous issue date: 2013
Resumo: A utilização de técnicas de Fabricação Digital está cada vez mais presente no campo da arquitetura e construção por todo o mundo, devido aos avanços tecnológicos que os sistemas CAD (Computer-aided Design) e CAM (Computer-aided Manufacturing) têm proporcionado aos processos de concepção e produção da obra arquitetônica. As possibilidades que essas ferramentas oferecem aos arquitetos e projetistas abrem caminho para novas abordagens de projeto, que permitem o uso da produção automatizada sem a necessidade de uma padronização tão rígida como aquela imposta pelo sistema industrial. Entretanto, nota-se que a aplicação dos métodos de Fabricação Digital no processo de produção do espaço edificado no Brasil é lento, quando comparado a outros países onde a tecnologia necessária para o exercício da técnica já se encontra amplamente difundida. A presente pesquisa tem como foco investigar a aplicação da Fabricação Digital, por intermédio de processos file-to-factory na produção arquitetônica de elementos para a construção civil, mais especificamente com o uso de técnicas subtrativas de corte 2D. Após um levantamento sobre o estado da arte da área e o desenvolvimento de dois estudos de caso, o método utilizado foi a pesquisa-ação, por meio de um exercício de aplicação do conceito file-to-factory. O processo de projeto foi documentado detalhadamente e analisado para a sistematização dos procedimentos, que servirão de referência para futuras aplicações no campo da arquitetura. Espera-se, com isso, contribuir para a divulgação dessas novas tecnologias na produção arquitetônica no cenário brasileiro
Abstract: The use of Digital Fabrication techniques is increasingly present in the field of architecture and construction throughout the world. Systems such as CAD (Computer-aided Design) and CAM (Computer-aided Manufacturing) have provided technological advances to the architectural design and production process. The possibilities that these tools provide to architects and designers introduce new design approaches, which allow the use of automated production without the rigid standardization imposed by the industrial system. However, it can be noticed that the use of Digital Fabrication methods in the built environment production process in Brazil is slow when compared to other countries where the technology is widely incorporated. This research focuses on investigating the application of Digital Fabrication, through file-to-factory processes in the production of architectural elements for the construction industry, specifically with the use of 2D subtractive cutting techniques. After a survey on the state of the art in the field and two case studies, the method used was an action research through a file-to-factory exercise. The design process was documented in detail and analyzed in order to systematize the procedures as a reference for future applications in architecture. As a result we expect to contribute to the dissemination of these new technologies in architectural production in the Brazilian scenario
Mestrado
Arquitetura, Tecnologia e Cidade
Mestre em Arquitetura, Tecnologia e Cidade
Djigbenou, Jeannette Donan. "Towards Automation of ASIC TSMC 0.18 um Standard Cell Library Development." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/32269.
Full textMaster of Science
Ozkan, Sevda. "The Way Architectural Model As A New Collaborative Design Environment Talks With Machines." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609381/index.pdf.
Full textFlores, Fernando Miguel Santos. "A influência das tecnologias digitais, no processo de pensar/desenhar Arquitetura." Master's thesis, [s.n.], 2015. http://hdl.handle.net/10284/4800.
Full textA presente dissertação de mestrado pretende abordar a influência das ferramentas digitais durante todo o processo arquitectónico, demonstrando a evolução desde o uso do lápis à utilização da robotização, alterando assim a forma de pensar do arquiteto, não deixando de referir a influência da arte na Arquitetura. Esta mudança de pensamento não é característica apenas dos dias de hoje, sendo visível ao longo da dissertação de que os grandes nomes da aquitetura, também passaram por uma fase de mudança de paradigma, fruto da evolução tecnológica, que levou ao aparecimento de novos estilos e teorias. O paradigma actual reflecte-se na utilização das ferramentas digitais e na forma como elas vão influenciar a Arquitetura dos dias de hoje. A variedade de ferramentas existentes permite que arquiteto explore a sua criatividade, de uma forma mais complexa e precisa. Como exemplo disso foram escolhidos três casos de estudo com o objetivo de demonstrar o desenvolvimento e a utilização das ferramentas digitais e como estas influenciam o arquiteto no processo de desenhar e pensar Arquitetura. Reflete-se no caso do Museu Guggenheim, um dos ícones da Arquitetura Contemporânea, do arquiteto Frank Ghery, sendo perceptível a grande utilização do software (CATIA), como uma ferramenta digital pioneira na Arquitetura. No caso do pavilhão ICD/ITKE, o arquiteto Achim Menges demonstra que o processo de cooperação, entre as várias ciências e as ferramentas origina uma Arquitetura final inovadora, resultante dos mesmos. Finalizando com o caso de estudo da Sagrada Família, um exemplo da utilização das ferramentas no processo de finalização da obra.
This master thesis aims to address the influence of digital tools throughout the architectural process, showing the evolution from the use of pencil to use the robot, thus changing the way of thinking of the architect, not forgetting to mention the influence of art in architecture. This change in thinking is not characteristic only of today, being visible along the thesis that the big names in architecture also went through a phase change of paradigm, the result of technological developments which led to the emergence of new styles and theories. The current paradigm is reflected in the use of digital tools and how they will influence the architecture of today. A variety of existing tools allows architect to explore their creativity in a more complex and accurately way. As an example was set the three case studies in order to demonstrate the development and use of digital tools and how they influence the architect in the process of designing and thinking architecture. It is reflected in the case of the Guggenheim Museum, one of the icons of contemporary architecture, by the architect Frank Gehry, with noticeable great use of the software (CATIA), as a pioneering digital tool in architecture. In the case of ICD / ITKE pavilion, architect Achim Menges demonstrates that the process of cooperation between the various sciences and tools lead to innovative end architecture, resulting thereof. Finishing with the case of the Sagrada Família study, an example of the use of the tools in the work of finalizing the construction process.
Du, Plooy Elsje. "3-D Computer-aided Design (CAD) and Computer Numerical Control (CNC) milling : An alternative to traditional ceramics master moulding technology." Thesis, Bloemfontein: Central University of Technology, Free State, 2014. http://hdl.handle.net/11462/236.
Full textThis quantitative research project investigates the utilization of emerging technologies within the arts with a view on establishing an interdisciplinary approach between ceramics and engineering. The traditional manufacturing method of producing master moulds is a time-consuming process for the studio ceramicist. This study explores whether computer-aided design (CAD) and computer numerical control (CNC) milling can accelerate the design and manufacturing process when developing master moulds as an alternative to using traditional methods. It investigates whether SolidWorks® can be applied as a suitable CAD design tool for the creation of ceramic vessel forms in order to reduce the design development time frame. It furthermore investigates whether CNC milling can be used as a viable manufacturing technology for the making of vessel prototypes and master moulds from CAD data, the overall objective being to improve and accelerate the plaster of Paris master mould manufacturing process for the batch production of studio-based ceramic artefacts. Findings from this study indicate that emerging technologies have a lot to offer the artist when it comes to providing new possibilities for the creation of artefacts and that SolidWorks® and CNC milling can be utilized as a viable interdisciplinary manufacturing approach between ceramics and digital manufacturing technologies.
Jung, Ronald Luis da Cruz. "A arquitetura e as ferramentas digitais : uma visão do projeto arquitetônico." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/116048.
Full textThis research investigates the design process in architecture and how it came to be influenced in the past few years by digital tools which emerged since then. It seeks to establish a vision about the architecture design methods by questioning the existence of a new paradigm. Thereunto it analyzes the Brazilian academic production of the past few years which explored or developed theories about the use of digital tools in order to establish a starting point. Through literature, it exposes a vision and a defense of a way of designing and how digital tools can assist this process without creating distortions of its use. Finally, the text contrasts two types of architecture: the silent, sober architecture, which seeks to adapt to the city and as well support the passage of time and changes of its uses, and the "digitalist" architecture, focused on the "unusual", which turns to the possibility of the media exploitation of the building and the many problems it brings to users and society.