Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 34 for “"3D design"”.
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Using 3D Printing as an Instructional Tool to Improve Spatial Ability
… STEM-related careers in the future. Engaging in 3D design and printing activities has been shown to have a positive impact on the development of spatial ability. 3D design and printing activities, when used as an intervention or enrichment for classroom learning, promises to enhance the spatial …
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Development of S3D and Adjoint Design Methods for Efficient Aerodynamic Design of Three-Dimensional High-Speed Compressor Blades
In the second part of the study, an adjoint design method was employed for compressor design to broaden the range of design capability, to facilitate 3D design applications, and to complement the S3D design method. An adjoint design code was developed, based on a 3D compressor flow analysis code, …
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Design for pre-bond testability in 3D integrated circuits
… we propose several DFT techniques specific to 3D stacked IC systems. The goal has explicitly been to create techniques that integrate easily with existing IC test systems. Specifically, this means utilizing scan- and wrapper-based techniques, two foundations of the digital IC test industry. …
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Concept-Oriented Design in Chasm: Conversational Domain Language Inspired 3D User Interface Design and Development
In my experience, novel ideas for 3D interaction techniques greatly outpace developers' ability to implement them, despite the potential benefit of these ideas. I believe this is due to the inherent implementation complexity of 3D interfaces, without sufficient support from methods and tools. …
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Three-dimensional separations in compressors
… nature and characteristics of three-dimensional (3D) separation, which is inherent in compressor blade passages and tip clearance dominated 3D flow in the rotor tip region, has limited the success of 3D blade design. This dissertation is therefore aimed at contributing to compressor design process …
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Development of a Graphical User Interface Presenting Turbulent Airflow Over A Flight-Deck For Improved Situational Awareness For Helicopter Pilots in Challenging Wind Conditions
… the approach. Turbulent airflow visualization designs were created focusing on user centered design principles and usability heuristics. The designs were presented to experienced helicopter pilots and subjectively evaluated by the same pilots. Based on the evaluation results, a dynamic three …
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Automated Progress Monitoring Using Mixed Reality
… camera to achieve accurate alignment between the 3D design model and the real-world scene. Methods for estimating the user’s pose rely on a) tags on each target of interest, which require additional time and cost for installation and maintenance; b) pre-selected user locations, which restricts the …
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Kinematic and dynamic modeling of Nanostructured Origami
… folds nanopatterned thin films into a desired 3D shape. This process extends the properties of 3D design and connectivity found in origami artwork to the bulk fabrication of 3D nanostructures. Our technique is a two-step procedure that first patterns the devices in 2D and then folds the …
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Granular urbanism : adaptive strategies for obsolete downtown neighborhoods
… by current conversion methods, I introduce a 3D Design and Data Toolkit (DDT) that redefines the conversion process and offers a selective, floor-by-floor approach to balance the quantity and mix of new residential units with the quality of urban life. This tool helps city planners, urban …
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Opportunistic power reassignment between processor and memory in 3D stacks
… is often comparable to the cost of a die. In 3D processor-memory designs, power and ground (P/G) pins can account for the majority of the pins. This is because packages include separate pins for the disjoint processor and memory power delivery networks (PDNs). Supporting separate PDNs and P/G …
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Adecuación de la normativa de acotación a las T.I.C. Propuesta de nueva norma
The globalization has led to the design, manufacture and assembly of a product in different countries. For this reason, we think (propose) that it is necessary to develop a new dimensioning standard to suit the current needs of technology, changing and unifying their set of rules, recommendations …
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A virtual training environment for wheelchair mounted robot
A model of a robotic manipulator designed to respond to different inputs from users with different skills or conditions is presented. This model can be adapted to different input variables and converted into joint angles which relate to movement in space of the manipulator's links. The algorithm …
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The impact of building information modeling (BIM) to architechtural design process
Design in architecture is one of the most diverse activities considered by all related parties in construction industry. During the construction design process, many problems and errors such as design changes & rework, incomplete design, standard of quality in drawings and technical specifications, …
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The impact of building information modeling (BIM) to architectural design process
Design in architecture is one of the most diverse activities considered by all related parties in construction industry. During the construction design process, many problems and errors such as design changes & rework, incomplete design, standard of quality in drawings and technical specifications, …
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2.5D: Novel Material Dimensions with 3D Printing on Fabric
Much of the design for architecture and objects we encounter today is built around the paradigms for manufacturing either two dimensional, flat goods, or three dimensional forms. We achieve an astounding proficiency in producing paper, fabric or sheet goods, whilst often encountering the familiar …
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Self-assembly of three-dimensional nucleic acid nanostructures
Patterning complex 3D features at the nanoscale offers potential applications for a wide range of fields from materials to medicine. While numerous methods have been developed to manipulate nanoscale materials, these methods are typically limited by their difficulty in creating arbitrary 3D …
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<i>iVirtualWorld</i>: A Domain-Oriented End-User Development Environment for Building 3D Virtual Chemistry Experiments
… worlds requires skills in programming and 3D design. Current virtual world building tools are developed for users who have programming abilities. Nevertheless, many virtual world users (e.g. chemistry or biology teachers) neither have nor are expected to learn programming skills. This …
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Fashion Innovation System Policy: Probing regional innovation systems to optimise digital manufacturing for fashion designers
… manufacturing (ADM), specifically utilising 3D design software, as a strategic response to the costing challenges faced by Designer Fashion Enterprises (DFEs) to mitigate the risk of business failures. However, the prevalence of innovation resistance necessitates political interventions to …
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Analog-digital co-existence in 3D-IC
… rates, complex modulation schemes and low power design. The cost and performance benefits of conventional lithographic scaling are diminishing as process cost increases exponentially. 3D integration has the potential to keep driving performance forward while keeping cost down. The possibility to …
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