published_or_final_version / Architecture / Doctoral / Doctor of Philosophy

published_or_final_version / Architecture / Doctoral / Doctor of Philosophy

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The planning field is presently undergoing a technical revolution; computers are increasingly being used to store, manipulate and display planning data. Computer software used by planners for spatial analysis is generally still limited but one program, IMGRID, developed at Harvard University Graduate School of Design by David Sinton, is unusually powerful and adaptable. One major drawback does exist with this computer program; input of user commands to IMGRID is highly structured and in many situations requires use of technical manuals even by those familiar with the technical aspects of IMGRID. Consequently, this creative project develops additional algorithms which make IMGRID an interactive program using standard computer terminals, thus eliminating the rigorous inputting format. In addition, an educational element is added which makes this program even more useful. A description of the user key words and new subroutines are given along with a discussion of a trial computer run indicating the potential of the new interactive system. / Department of Urban Planning

The architecture profession, like many other design professions, is being revolutionized through the usage and development of computers. Both computer hardware and software are reaching levels of high development in the area of graphics. Even though graphic systems are becoming more sophisticated, there is no current linkage of textual information with graphics. Architectural projects consist of both text (specifications) and graphics (working drawings). Consequently, this creative project develops a computer software system (series of programs) for linking and unifying text information (specifications) with working drawings. / Department of Architecture

Thesis (Masters Diploma (Mechanical Engineering)) -- Cape Technikon, Cape Town,1996 / A need exists whereby the preliminary power requirement of a ship can be rapidly estimated. Because the majority of methods available for this purpose are manual and consist of a number of independent components, they are tedious and time consuming to use. With the advent of the personal computer and its widespread acceptance, it was logical to examine the various components involved to determine their suitability for computerisation and general accuracy. In total eleven hull resistance prediction methods were examined, eight of which were computerised. Model test data of four vessels were used to evaluate these eight programs. The methodproviding the best results was selected to form the core of an integrated Power Prediction program. Factors such as appendage resistance, fouling and hull roughness were examined and appropriate methods selected for inclusion into the integrated program. Various propeller series were examined and evaluated against a variety of examples and model data. Two propeller optimisation programs were written and a general method for determining the optimum characteristics from Kr-KQ polynomials is described. Methods for determining propulsion coefficients were examined and their results compared with those obtained from model tests. The method providing the best overall results was incorporated into the Power Prediction program Added resistance due to sea state was broken down into two components, namely wind and wave resistance. Only the head sea and wind conditions were considered. Various methods for estimating wind resistance were examined and a program developed capable of providing resistance estimates regardless of wind direction. The problem of added resistance due to waves was examined and two programs written around the methods examined. To facilitate prediction estimates, sea state was chosen as the prime function. Wave height is estimated for the appropriate sea state and wind speed in turn from the wave height Actual sea trial data ofa twin screw channel ship is used to determine the overall accuracy ofthe Power Prediction Program

The use of the computer as it could relate to architecture was examined. The use was limited for the purposes of this thesis to graphic capabilities of the computer. The method used to implement this case study was to establish a design project. The project was then used as a catalyst for adapting the visual implementation of the design project to the computer. An examination of the methodology and the syntax used in the thesis is included. Also included is a description of the design project, the final graphic representations of the design project, topics suggested for further research that were generated by the thesis and documentation of the functions used in the study. / Master of Architecture

Call number: LD2668 .T4 1985 K43 / Master of Landscape Architecture