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Zeitschriftenartikel zum Thema "Computer-aided design":
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Rudolph, H., R. G. Luthardt und M. R. Graf. „„Computer aided design/computer aided manufacturing““. Der Freie Zahnarzt 59, Nr. 7-8 (Juli 2015): 62–72. http://dx.doi.org/10.1007/s12614-015-5448-7.
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Komali, Uppada, und Rajesh CVS. „Analysis of Computer Aided Design Employed in Landscape Design“. International Journal of Trend in Scientific Research and Development Volume-2, Issue-5 (31.08.2018): 1931–36. http://dx.doi.org/10.31142/ijtsrd18230.
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Kolbasin, Alexander, und Oksana Husu. „Computer-aided design and Computer-aided engineering“. MATEC Web of Conferences 170 (2018): 01115. http://dx.doi.org/10.1051/matecconf/201817001115.
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In modern industrial production some of the major factors of successful development include: cost reduction of the production, im-provement of its quality, as well as help to minimise the time in market en-try. Computer-aided design and Computer-aided engineering (CAD / CAE - systems) are the most effective for implementation of these requirements. Possible use of this engineering modeling simulation in conjunction with the power and speed of high performance computing could reduce costs and time of each cycle of designing, and also significantly reduce devel-opment time. The introduction of new technologies, the use of high quality products and engagement of qualified personnel would allow businesses and organizations to get on a path of innovative development of design and production systems.
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Gustafson, Jolene. „Computer-aided design?“ ACM SIGDOC Asterisk Journal of Computer Documentation 18, Nr. 4 (November 1994): 42–44. http://dx.doi.org/10.1145/192433.199174.
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Ruffle, S. „Architectural design exposed: from computer-aided drawing to computer-aided design“. Environment and Planning B: Planning and Design 13, Nr. 4 (1986): 385–89. http://dx.doi.org/10.1068/b130385.
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Shvets, Pavlo, Olena Lebedeva und Viktor Bondarenko. „The computer-aided design of rubber-metal products“. Odes’kyi Politechnichnyi Universytet. Pratsi, Nr. 3 (23.12.2015): 36–40. http://dx.doi.org/10.15276/opu.3.47.2015.10.
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Togay, Abdullah, Merve Coşkun, Serkan Güneş und Çiğdem Güneş. „Computer aided design in education and its’ interpretation through design thinking“. New Trends and Issues Proceedings on Humanities and Social Sciences 2, Nr. 1 (19.02.2016): 328–37. http://dx.doi.org/10.18844/gjhss.v2i1.315.
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Couldwell, William T., Joel D. MacDonald, Charles L. Thomas, Bradley C. Hansen, Aniruddha Lapalikar, Bharat Thakkar und Alagar K. Balaji. „Computer-aided design/computer-aided manufacturing skull base drill“. Neurosurgical Focus 42, Nr. 5 (Mai 2017): E6. http://dx.doi.org/10.3171/2017.2.focus16561.
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The authors have developed a simple device for computer-aided design/computer-aided manufacturing (CAD-CAM) that uses an image-guided system to define a cutting tool path that is shared with a surgical machining system for drilling bone. Information from 2D images (obtained via CT and MRI) is transmitted to a processor that produces a 3D image. The processor generates code defining an optimized cutting tool path, which is sent to a surgical machining system that can drill the desired portion of bone. This tool has applications for bone removal in both cranial and spine neurosurgical approaches. Such applications have the potential to reduce surgical time and associated complications such as infection or blood loss. The device enables rapid removal of bone within 1 mm of vital structures. The validity of such a machining tool is exemplified in the rapid (< 3 minutes machining time) and accurate removal of bone for transtemporal (for example, translabyrinthine) approaches.
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This thesis presents research into the possibility of developing a computerised system that can evaluate the aesthetics and engineering aspects of solid shapes. One of the research areas is also to include such an evaluation system into an existing evolutionary CAD system which utilizes the Genetic Algorithms (GAs) technology. An extensive literature survey has been carried out to better understand and clarify the vagueness and subjectivity of the concept of aesthetics, which leads to the work of defining and quantifying a set of aesthetic parameters. This research achieves its novelty in aiming to assist designers in evaluating the aesthetics and functional aspects of designs early in the conceptual design stage, and its inclusion into an evolutionary CAD system. The field of Computer Aided Design (CAD) lacks the aesthetics aspect of the design, which is very crucial in evaluating designs especially considering the trend towards virtual prototypes replacing physical prototypes. This research has managed to suggest, define and quantify a set of aesthetic and functional elements or parameters, which will be the basis of solid shape evaluation. This achievement will help designers in determining the fulfilment of design targets, where the designers will have a full control to determine the priority of each evaluation element in the developed system. In achieving this, computer software including a programming language package and CAD software are involved, which eventually led to the development of a prototype system called Computer Aided Aesthetics and Functions Evaluation (CAAFE). An evolutionary CAD system called Evolutionary Form Design (EFD), which utilizes GAs, has been available for few years now. It evolves shapes for quick and creative suggestions, however it lacks the automated evaluation and aesthetics aspects of the design. This research has worked into the integrating of CAAFE into EFD, which led to a system that could evolve objects based on a selected and weighed aesthetic and functional elements. Finally, surveys from users have also been presented in this thesis to offer improvement to the scoring system within the CAAFE system.
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Siu, Selina. „Computer Aided Ferret Design“. Thesis, University of Waterloo, 2003. http://hdl.handle.net/10012/1184.
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Ferrets are amusing, flexible creatures that have been under represented in computer models. Because their bodies can assume almost any curved shape, splines are the natural tool for modelling ferrets. Surface pasting is a hierarchical method of modelling with spline surfaces, where features are added onto a base surface. Existing surface pasting techniques are limited to modelling rectilinear shapes. Using the task of modelling a ferret as a driving force, I propose a method of pasting cylinders in world space; I looked at methods for reducing distortion of pasted features; and I created a method for pasting trimmed features to allow for features that do not have the rectilinear shape of standard pasting. With my methods, modelling ferrets with surface pasting is easier, and the resulting models are closer to a real ferret.
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李淑儀 und Shuk-yee Wendy Lee. „Computer aided facilities design“. Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1987. http://hub.hku.hk/bib/B31208277.
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Hepatitis C virus (HCV) chronic infection represents one of the major and still unresolved health problems. HCV infecting 3% of the world population, leading to chronic hepatitis, liver cirrhosis and hepatocellular carcinoma in addition to the extrahepatic manifestations. No efficient therapy exists; the standard dual treatment with peg IFN-alpha and ribavirin is effective only in 55% of the selected cases with substantial side effects in addition to the high cost. To date, there is no vaccine against HCV due to the high variability of the RNA genome. NS3 helicase is one of the non-structural proteins whose activity is indispensable for viral RNA replication and its inhibition is estimated to arrest viral proliferation and indirectly stimulate a cellular antiviral response against ds RNA. In our project we proposed to use structure based knowledge of the x-ray crystal structure of helicase enzyme to design and synthesise different scaffolds of novel potential HCV NS3 helicase inhibitors. Using different computer software packages, we manage to design a number of small focused libraries of compounds, which were used for docking simulations. The results obtained in silico guided the selection of two series of promising compounds for synthesis. In the first series; several quinazoline derivatives were prepared and evaluated for antiviral activity in subgenomic replicon assay showing EC50 in the low muM range with relatively high selectivity index. In the second series of pyrrole or phenyl based compounds, irreversible inhibition of helicase is assumed through addition to the electrophilic warheads of the alpha,beta-unsaturated ketones, thiols or 1,2,4 thiadiazoles based inhibitors. Among the synthesised compounds a number showed a sub muM activity in the helicase enzyme assay. These promising findings are considered to be a starting point for further optimisation of structure, activity and toxicity relationships.
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Today's competitive market requires engineers to produce reliable light weight products at low cost. This can be achieved by more effective use of computer aided engineering tools during early stages of the design process. A research programme has been undertaken to investigate the data requirements of integrating commercially available software packages (finite element analysis and fatigue life evaluation) to evaluate the integrity and durability of engineering components at the conceptual design stage. A real engineering component, in the form of a steering arm, supplied by a European truck manufacturer was used as a basis for the investigation. This is a typical vehicle component, in which, under service loading conditions, a multiaxial state of stress occurs. A geometric model of the component was created using the Prime "MEDUSA" software suite. The model was used to locate the boundary co-ordinates necessary for the development of a PAFEC Finite Element model. By imposing the conditions experienced during the service, the critical areas of the component were identified by analysing the F.E. model and a detailed description of the elastic stress/strain fields were also established. These were incorporated in an energy density approach and Neuber's uniaxial analysis to predict total local elastic/plastic strains at these critical- locations. These were compared with strain gauge measurements. The calculated results were used to plot a number of load/local strain calibration curves for the development of a load history, suitable for experimental fatigue life assessment. Fatigue crack initiation tests were performed on the steering arm using a computer controlled DARTEC multiaxial fatigue testing machine. Fatigue life assessment based on full service loading was carried out using a software package based on the critical location approach. A comparison of computerised, experimental and actual test circuit fatigue lives has been made. The work enabled a specification to be produced for the integration of the two items of software. This integrated software was developed by third parties and used to produce a computerised life map of the steering arm.
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Дядечко, Алла Миколаївна, Алла Николаевна Дядечко, Alla Mykolaivna Diadechko und V. Zakharchenko. „Computer-aided design (CAD)“. Thesis, Видавництво СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/18296.
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Lee, Shuk-yee Wendy. „Computer aided facilities design /“. [Hong Kong : University of Hong Kong], 1987. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12262559.
Encarnação, José L., Rolf Lindner und Ernst G. Schlechtendahl. Computer Aided Design. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-84054-8.
Meguid, S. A. „Computer-Aided Design“. In Integrated Computer-Aided Design of Mechanical Systems, 25–83. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3409-2_3.
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Lutters, Eric. „Computer-Aided Design“. In CIRP Encyclopedia of Production Engineering, 1–3. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-642-35950-7_6443-4.
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Gooch, Jan W. „Computer-Aided Design“. In Encyclopedic Dictionary of Polymers, 163. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_2782.
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Schaback, Robert, und Helmut Werner. „Computer-Aided Design“. In Springer-Lehrbuch, 202–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-662-09022-0_13.
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Lutters, Eric. „Computer-Aided Design“. In CIRP Encyclopedia of Production Engineering, 325–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-53120-4_6443.
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Lutters, Eric. „Computer-Aided Design“. In CIRP Encyclopedia of Production Engineering, 252–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-20617-7_6443.
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Kumar, V., M. D. German, S. J. Lee, E. Atrek, R. Kodali, A. D. Belegundu, S. D. Rajan et al. „Computer-Aided Design“. In CAD/CAM Robotics and Factories of the Future, 1–116. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-52323-6_1.
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Rosato, Donald V., David P. Di Mattia und Dominick V. Rosato. „Computer-Aided Design“. In Designing with Plastics and Composites: A Handbook, 757–88. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-9723-0_10.
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Bi, Zhuming. „Computer-Aided Design“. In Practical Guide to Digital Manufacturing, 35–116. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70304-2_2.
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Examples are the calculation of transmittance, reflectance, and phase as a function of wavelength, sensitivity of thin film structures to thickness and index errors, electrical field calculations, parameters for design models (equivalent indices, effective interfaces, Chebyshev prototypes, Fourier synthesis, etc.), scattering models, etc.
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Wilden, J., H. Frank und T. Müller. „Computer Aided Coating Design“. In ITSC 2000, herausgegeben von Christopher C. Berndt. ASM International, 2000. http://dx.doi.org/10.31399/asm.cp.itsc2000p0211.
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Abstract The crystal structure of the coating depends on the splashing and solidification of the sprayed particles. The splashing of the particles is simulated by commercial software taking temperature dependent parameters like melt viscosity and surface tension into account. This article provides the theoretical background and the experimental verification. The steps of simulation solidification, splashing, and heat and momentum transfer help to develop novel coating systems with defined microstructure and shorten the time to market. Experimental investigations were carried out using Ni and Ni/Cr 80/20 spray powders with a mean particle diameter of about 15 μm. The theoretical investigations to describe the flattening process of a droplet show the influence of particle velocity and temperature. It was shown that different material parameters, as latent heat or surface energy, have a significant influence on the simulation results.
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WALKER, CARRIE. „Computer-aided system design“. In 8th Computing in Aerospace Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1991. http://dx.doi.org/10.2514/6.1991-3940.
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Hanna, J. R. P. „Relational computer-aided design“. In IEE Colloquium on Design Systems with Users in Mind: The Role of Cognitive Artefacts. IEE, 1995. http://dx.doi.org/10.1049/ic:19951498.
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Sowa, Agnieszka. „Computer-Aided Architectural Design vs. Architect-Aided Computing Design“. In eCAADe 2005: Digital Design: The Quest for New Paradigms. eCAADe, 2005. http://dx.doi.org/10.52842/conf.ecaade.2005.229.
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Huang, Ledan. „Computer aided design of portable computer“. In 2015 3rd International Conference on Mechanical Engineering and Intelligent Systems. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/icmeis-15.2015.96.
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Andrews, G. C., und J. D. Argent. „Computer-Aided Optimal Gear Design“. In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0049.
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Abstract Gear-sets designed using standard tooth profiles are rarely optimum strength designs, where “optimum strength” is defined as the maximum tooth bending strength for minimum tooth numbers and tooth size. However, standard tooth profiles are widely used because of the difficulty of determining the amount of hob (or rack) “offset” necessary to cut optimum strength non-standard gears. Also, stresses are not easily calculated for non-standard tooth profiles since geometry factors (I and J) are not tabulated. This paper describes a computer-aided method for obtaining optimum strength designs of spur gears, through iterative strength calculations. Two common cases are considered in which a non-standard gear-set is to replace a standard gear-set with the same center distance. When the speed ratio must be rigidly maintained, the “long and short addendum method” can be used; when minor variations in speed ratio are permissible, the “non-standard center distance” method can be used and much larger increases in strength can be achieved. The methods are illustrated by a numerical example. Increases of strength in the range of 10 to 20 percent are typical when standard gears-sets are replaced by non-standard gears with the same center distance, assuming material properties remain constant. The procedure for estimating the hob offsets which yield optimum design is simple and novel, and has proved efficient in obtaining convergence in a few iterations of the optimization process.
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Gong, Guangjun, und Shoulan Gao. „Application of computer-aided design and computer-aided engineering in hydraulic press design“. In International Conference on Mechanical Design and Simulation (MDS 2022), herausgegeben von Dongyan Shi und Guanglei Wu. SPIE, 2022. http://dx.doi.org/10.1117/12.2638799.
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ROWLAND, M., und W. WAGONER. „Computer aided crewstation information allocation“. In Aircraft Systems, Design and Technology Meeting. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1986. http://dx.doi.org/10.2514/6.1986-2734.
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Briggs, M. G. Computer-Aided dispatching system design specification. Office of Scientific and Technical Information (OSTI), Mai 1996. http://dx.doi.org/10.2172/325291.
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Briggs, M. G. Computer-Aided dispatching system design specification. Office of Scientific and Technical Information (OSTI), September 1996. http://dx.doi.org/10.2172/328471.
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Briggs, M. G. Computer-aided dispatching system design specification. Office of Scientific and Technical Information (OSTI), Dezember 1997. http://dx.doi.org/10.2172/10148252.
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Kuehmann, Charles J., und Gregory B. Olson. Computer-Aided Systems Design of Advanced Steels,. Fort Belvoir, VA: Defense Technical Information Center, Januar 1995. http://dx.doi.org/10.21236/ada324751.
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Potts Steves, Michelle, Simon Frechette, John T. Foreman und William B. Anderson. Viewing Technologies for Computer-Aided Design Models. Fort Belvoir, VA: Defense Technical Information Center, September 2003. http://dx.doi.org/10.21236/ada418350.
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Palyulin, Vladimir A. Computer-Aided Synthesis Design of Energetic Compounds. Fort Belvoir, VA: Defense Technical Information Center, November 2008. http://dx.doi.org/10.21236/ada525358.
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Razavi, H. C., R. K. Mehra und M. Vidyasagar. Computer-Aided Design of Robust Decentralized Controllers. Fort Belvoir, VA: Defense Technical Information Center, August 1985. http://dx.doi.org/10.21236/ada160118.
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Letellier, J. P., John Hines, Barry Periman, James Dayton, Nicholas Naclerio, Robert Jackson, Jacob Abraham, Lowell Aspholm, James Aylor und James Clary. Special Technology Area Review on Computer Aided Design. Fort Belvoir, VA: Defense Technical Information Center, März 1993. http://dx.doi.org/10.21236/ada285813.
