The Uses of CADD in Hydropower Developmentby Avry Dotan, Tudor Engineering Co, San Francisco, CA, USA,
Steven R. Alters, Tudor Engineering Co, San Francisco, CA, USA,
Abstract: The hydropower community needs inexpensive methods to thoroughly and quickly analyze the siting of hydroelectric projects. Computer-aided design and drafting (CADD) and programs like HYSIZE and HYSTOR can provide that assistance. The ability to visualize the project in three-dimensional space and create color graphics is a very powerful tool which can be effectively used throughout the project, from the initial stages to the permitting process. These computer programs do not replace the engineer; they provide tools that enhance the engineer's judgment, experience, and intuition. Computer analysis, digital terrain modeling (DTM) and CADD are used to quickly determine the hydropower potential of hydroelectric projects and aid in environmental impact evaluation. HYSIZE and HYSTOR are two programs recently developed for run-of-the-river and reservoir storage projects respectively, and are designed to determine the optimum layout for a particular site. This paper will describe these programs, and how they can be combined with DTM for hydropower studies.
Subject Headings: Computer aided design | Hydro power | Computer models | Computer analysis | Graphic methods | Terrain
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