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ItemEmergent symmetries: a group theoretic analysis of an exemplar of late modernism: the smith house by Richard Meier(Georgia Institute of Technology, 2008-07-07) Din, Edouard DenisFormal systems in architectural design aim at the systematic description, interpretation, and evaluation of existing works of architecture as well the systematic creation of new works of architecture. Currently all formal analysis using group theoretical tools focus on repetitive designs that show immediately their recursive structure. It is suggested here that highly complex designs can still be described and analyzed with group theoretical manner. The broader question that is opened up here is whether a complex architecture object or part depending on the interest of the researcher, can be interpreted as a layered object whose parts are all related symmetrically; in other words whether an asymmetric shape or configuration can be understood in terms of nested arrangements of some order of symmetry. The object of analysis has been polemically selected here to be the NY5 architecture, a set of designs that are all clearly exemplifying formal qualities of abstraction, layering, complexity, depth and so on, all appearing impenetrable to a systematic and rigorous analysis using the existing group theoretical formal methods. For example, Richard Meier s work has been presented here as a hyper-refinement of the modernist imagery. The computation is entirely visual. A reassembly of the layered symmetries explains the structure of the symmetry of the house and provides an illustration of the basic thesis of this research on the foundation of a theory of emergence based on symmetry considerations. All plans of the house are represented in three different levels of abstraction moving successively away from the architectural representation to a purely diagrammatic one that foregrounds divisions of space. All representations are fed into an analysis algorithm to pick up all symmetry relationships and the parts are constructed as instances of a binary composition of a family of rectangular grids. Finally the process is reversed to fully account for the construction of the space of the house as a three dimensional layered composition. Lastly, this research points to two categories of extension; a) on the improvement of the system itself; and b) on the interpretative capabilities it affords for the construction and evaluation of critical languages of design.
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ItemComponent based design and digital manufacturing: a design for manufacturing model for curved surfaces fabrication using three axes computer numerical controlled router(Georgia Institute of Technology, 2007-05-17) Lyon, EduardoThis thesis explores new ways to integrate manufacturing processes information in to design phases. Through the use of design for manufacturing (DfM) concept, and looking at relations between its potential application in architectural production and its implementation using digital manufacturing technologies, the author implemented a DfM model that varies from previous models by incorporated learning in the process. This process was based on the incremental development and refinement of design heuristics and metrics. The DfM model developed in this research is a process model to be implemented as a framework within educational settings. The proposed model is based in two basic strategies; first a process description in the form of alternative design strategies; and second, the implementation of design heuristics and design metrics. Subsequently, the author tested and refined the model using a sequence of case studies with students. In the final stage, the research evaluated and further developed the DfM model in a component design case study. The general purpose in performing this case studies sequence was to test the proposed DfM model. The second objective was to refine the DfM model by capturing knowledge from the case studies. As a summary, this research conceptualizes from this top-down development approach to create a design for manufacturing model that integrates design and construction in architecture, based on three possible applications fields; DfM teaching approaches development, design processes improvement; and DfM methods development. The final purpose is to provide better foundational constructs for architectural education and to improve teaching approaches that integrate design and manufacturing.
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ItemSpatial Cognition in Design(Georgia Institute of Technology, 2006-11-16) Ho, Chun-HengPrevious studies suggest that 3D visualization is fundamental to design spatial cognition, and the capability to work with 3D mental or physical models and taking perspective views from a set of 2D drawings are essential parts of design education, although there is no definitive evidence that can directly support these beliefs. This dissertation focuses on the issues of how spatial capabilities correlate with design performance and whether design education can improve students' spatial capabilities. Two types of capabilities tests, i.e. spatial capability test and general reasoning test, are used, and there are 251 Georgia Tech undergraduate students involved in this research. The results of this research suggest that the correlations between design studio performance and the tested factors are more salient among female students than male students. While female students generally have lower spatial capabilities than male students in design, they can take advantage of their general reasoning capability to compensate for the lack of the other two spatial capabilities and perform well in design studio. A stepwise regression further reveals that, for the female design student group, the general reasoning capability is the only predictor for their design performance. However, no significant interaction is observed in the male design student group between tested capabilities and design studio performance. As a result, there seems to exist a threshold requirement in spatial capabilities for design major students. After passing this threshold, other factors such as domain specific skills and knowledge or self-motivation would likely to be the dominant one. Lastly, although the results show the tested capabilities are all important for design major students from different perspectives, the design education does not show any contribution in the improvement of these capabilities.
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ItemA new formal and analytical process to product modeling (PPM) method and its application to the precast concrete industry(Georgia Institute of Technology, 2004-11-08) Lee, GhangThe current standard product (data) modeling process relies on the experience and subjectivity of data modelers who use their experience to eliminate redundancies and identify omissions. As a result, product modeling becomes a social activity that involves iterative review processes of committees. This study aims to develop a new, formal method for deriving product models from data collected in process models of companies within an industry sector. The theoretical goals of this study are to provide a scientific foundation to bridge the requirements collection phase and the logical modeling phase of product modeling and to formalize the derivation and normalization of a product model from the processes it supports. To achieve these goals, a new and formal method, Georgia Tech Process to Product Modeling (GTPPM), has been proposed. GTPPM consists of two modules. The first module is called the Requirements Collection and Modeling (RCM) module. It provides semantics and a mechanism to define a process model, information items used by each activity, and information flow between activities. The logic to dynamically check the consistency of information flow within a process also has been developed. The second module is called the Logical Product Modeling (LPM) module. It integrates, decomposes, and normalizes information constructs collected from a process model into a preliminary product model. Nine design patterns are defined to resolve conflicts between information constructs (ICs) and to normalize the resultant model. These two modules have been implemented as a Microsoft Visio ™ add-on. The tool has been registered and is also called GTPPM ™. The method has been tested and evaluated in the precast concrete sector of the construction industry through several GTPPM modeling efforts. By using GTPPM, a complete set of information items required for product modeling for a medium or a large industry can be collected without generalizing each company's unique process into one unified high-level model. However, the use of GTPPM is not limited to product modeling. It can be deployed in several other areas including: workflow management system or MIS (Management Information System) development software specification development business process re-engineering.