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 29 for “"solid modeling"”.
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A solid modeling program for designers
The personal computer is rapidly finding its way into the architectural working environment, at this time however it is used mostly as a drafting tool. This thesis is an investigation into programming that would allow the computer to become a design tool. The issues that are dealt with in this …
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Interactive freeform solid modeling with haptic interface
… system and addresses the issues of interactive solid modeling with haptic interface. A virtual reality (VR) approach is taken to make the use of modeling tools more intuitive and interactive. The virtual sculpting method is based on the metaphor of carving a solid block into a 3D freeform …
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Towards robust interval solid modeling of curved objects
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1995.
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The Effects of Solid Modeling and Visualization On Technical Problem Solving
… was undertaken to investigate the effects of solid modeling and visualization on technical problem solving. The participants were 47 students enrolled in solid modeling classes at Southeast Missouri State University. The control and experimental groups consisted of 23 and 24 randomly assigned …
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Experimental Validation of Finite Element Analysis Software Applied to the Design of a Motorcycle Swingarm
… a single-sided motorcycle swingarm; and computer modeling using the Pro/Engineer solid modeling package.</p>
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Aerospike Thrust Vectoring Slot-Type Compound Nozzle
… Cold-flow blow-down testing along with solid modeling and rapid prototyping technology were used to investigate the effects of slot size, placement, geometry and orientation. The use of slot-type compound nozzles proved to be a feasible approach to thrust vectoring. Previous methods of …
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The biomechanics of the knee following injury and reconstruction of the posterior cruciate ligament c Louis DeFrate.
… was studied in living subjects using imaging and solid modeling techniques. Three-dimensional models of the knee joint, including the insertion sites of the posterior cruciate ligament were created from magnetic resonance images. The subjects then flexed their knees as they were imaged using …
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The design of small propellers operating at low Reynolds numbers and associated experimental evaluation.
… include a custom propeller design, analysis, and solid-modeling code for experimental propeller models and a propeller test stand for use in the Baylor University subsonic wind tunnel with accompanying data acquisition code. As a result of the 46 custom propellers designed and tested, an …
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Parametric Optimization Design System for a Fluid Domain Assembly
Automated solid modeling, integrated with computational fluid dynamics (CFD) and optimization of a 3D jet turbine engine has never been accomplished. This is due mainly to the computational power required, and the lack of associative parametric modeling tools and techniques necessary to adjust and …
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Weelchair exercise roller product design
… helped to determine the eventual final design. Solid modeling software (Solidworks 2005) was then used to create various design iterations and make changes as needed.
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Bio-Surfaces and Geometric References for a Standardized Biomechanical Design Methodology for Mass Customization
… so that the model can be used with CAx tools and solid modeling techniques. Second, it provides a design methodology based on feature structure planning and assembly modeling that provides a consistent structure to the design process so that it can be reused and parameterized. Third, a strategy …
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The design of a small and inexpensive abrasive waterjet cutter
… requirements through to final design and solid modeling. Starting from the identification of the functional requirements for the machine, several concepts were generated, compared and selected for further analysis. The selected concepts were then further analyzed and compared using error …
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Design, measurement, and analysis of oxygenated fluid pump system
… fluid is ready to be injected into a patient. Solid modeling as well as machine tools were used to create the physical structure, while LabView was used as the program regulating the controls of the device. The pump operates and can successfully mix both fluids. Flow rate can be controlled via …
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Feature-based geometric modeling using B-spline surfaces and a natural language approach
… geometric features to evaluate the design. Solid modeling systems have made the task somewhat easier, but they often require tedious and complex operations using simple geometric primitives. This has led to investigation of modeling systems which allow the creation of assemblies the way …
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Three-dimensional object registration using wavelet features
Recent developments in shape-based modeling and data acquisition have brought three-dimensional models to the forefront of computer graphics and visualization research. New data acquisition methods are producing large numbers of models in a variety of fields. Three-dimensional shape-based matching …
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Technique and application of a non-invasive three dimensional image matching method for the study of total shoulder arthroplasty
… humeral head translations were measured using solid modeling software. In summary, this thesis quantified the in-vivo glenohumeral joint contact locations and humeral head translations after total shoulder arthroplasty. These data provides surgeons and engineers valuable information for …
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The Effectiveness of Computer-Based Tutorials in Learning Computer-Aided Design Methods for Tool Design Procedures
… Aided Design (CAD). Although three-dimensional solid modeling, or 3-D CAD offers a better representation of the product in a virtual environment, it can be complicated and difficult to learn. Tutorials have been developed to assist manufacturing tool design student in the learning of 3-D CAD …
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Design and development of a two-axis reluctance based actuator for hexflex nano-positioner
… unexplored technology. It will be designed using solid modeling software and magnetic circuit theory, constructed, and tested as a part of the thesis project. Several design iterations were conducted yielding valuable design, manufacturing, and assembly knowledge and insight. Ultimately the …
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Finite element modeling of a refrigeration compressor for noise prediction applications
… structure are discussed and appropriate modeling strategies are evolved. The development of the complete compressor finite element model is carried out in two stages - modeling of the compressor housing and the assembly of components into the compressor assembly. The compressor housing is …
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Multidisciplinary Design Optimization of a Strut-Braced Wing Aircraft
… and ellipse-braced concepts. A plastic solid model of one of the novel configurations was created using the I-DEAS solid modeling software and rapid prototyping hardware.
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